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Borham A, Haroun M, Saleh IA, Zomot N, Okla MK, Askar M, Elmasry M, Elshahat A, Liu L, Zhao C, Wang J, Qian X. A statistical optimization for almost-complete methylene blue biosorption by Gracilaria bursa-pastoris. Heliyon 2024; 10:e34972. [PMID: 39145033 PMCID: PMC11320206 DOI: 10.1016/j.heliyon.2024.e34972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 08/16/2024] Open
Abstract
In this study, the dried biomass of four marine algae, namely Porphyra sp., Gracilaria bursa-pastoris, Undaria pinnatifida and Laminaria sp., were screened for their ability to remove methylene blue (MB) dye from aqueous solutions. Statistical approaches of the Plackett-Burman Design (PBD) and Box-Behnken Design (BBD) were applied to optimize different environmental conditions in order to achieve the maximum MB removal percentage by Gracilaria bursa-pastoris. The biosorbent was characterized before and after adsorption process using FTIR, XRD and SEM analysis. Additionally, isotherms, kinetics and thermodynamics studies were conducted to investigate the adsorption behavior of the adsorbent. The results showed that Gracilaria bursa-pastoris achieved the highest dye removal efficiency (98.5 %) compared to 96.5 %, 93.5 % and 93.9 % for Undaria pinnatifida, Porphyra sp. and Laminaria sp., respectively. PBD analysis revealed that the agitation speed, pH, and biomass dose were found to be the significant parameters affecting MB removal onto Gracilaria dried biomass. According to the BBD results, the maximum dye removal percentage (99.68 %) was obtained at agitation speed of 132 rpm, pH 7 and biomass dose of 7.5 g/L. FTIR, XRD and SEM analysis demonstrated the participation of several functional groups in the adsorption process and changes in the cell surface morphology of the adsorbent following the dye adsorption. The adsorption isotherms showed better fit to Freundlich model (R2 = 0.9891) than the Langmuir, Temkin, and Dubinin-Radushkevich models. The adsorption kinetics were best described by the pseudo-second-order model (R2 = 0.9999), suggesting the chemical interactions between dye ions and the algal biomass. The thermodynamic parameters indicated that the adsorption of MB onto Gracilaria dried biomass was spontaneous, feasible, endothermic and random. These results indicate that dried biomass of Gracilaria bursa-pastoris is an attractive, environmentally friendly, cheap and effective agent for MB dye removal from environmental discharges.
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Affiliation(s)
- Ali Borham
- Agricultural Products Safety and Environment, College of Agriculture, Yangzhou University, Yangzhou, 225127, China
- Key Laboratory of Cultivated Land Quality Monitoring and Evaluation, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou, 225127, China
- Agricultural Botany Department, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh, 33516, Egypt
| | - Mohammed Haroun
- Agricultural Products Safety and Environment, College of Agriculture, Yangzhou University, Yangzhou, 225127, China
| | | | - Naser Zomot
- Faculty of Science, Zarqa University, Zarqa, 13110, Jordan
| | - Mohammad K. Okla
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Mofeed Askar
- Economic Entomology Department, Faculty of Agriculture, Damietta University, Egypt
| | - Mohamad Elmasry
- Animal Production Research Institute (APRI), Agricultural Research Centre (ARC), Egypt
| | - Abdelmonem Elshahat
- Department of Horticulture, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh, 33516, Egypt
| | - Lei Liu
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Chen Zhao
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Juanjuan Wang
- Agricultural Products Safety and Environment, College of Agriculture, Yangzhou University, Yangzhou, 225127, China
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Xiaoqing Qian
- Agricultural Products Safety and Environment, College of Agriculture, Yangzhou University, Yangzhou, 225127, China
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225127, China
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Serbent MP, Magario I, Saux C. Immobilizing white-rot fungi laccase: Toward bio-derived supports as a circular economy approach in organochlorine removal. Biotechnol Bioeng 2024; 121:434-455. [PMID: 37990982 DOI: 10.1002/bit.28591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 09/23/2023] [Accepted: 10/28/2023] [Indexed: 11/23/2023]
Abstract
Despite their high persistence in the environment, organochlorines (OC) are widely used in the pharmaceutical industry, in plastics, and in the manufacture of pesticides, among other applications. These compounds and the byproducts of their decomposition deserve attention and efficient proposals for their treatment. Among sustainable alternatives, the use of ligninolytic enzymes (LEs) from fungi stands out, as these molecules can catalyze the transformation of a wide range of pollutants. Among LEs, laccases (Lac) are known for their efficiency as biocatalysts in the conversion of organic pollutants. Their application in biotechnological processes is possible, but the enzymes are often unstable and difficult to recover after use, driving up costs. Immobilization of enzymes on a matrix (support or solid carrier) allows recovery and stabilization of this catalytic capacity. Agricultural residual biomass is a passive environmental asset. Although underestimated and still treated as an undesirable component, residual biomass can be used as a low-cost adsorbent and as a support for the immobilization of enzymes. In this review, the adsorption capacity and immobilization of fungal Lac on supports made from residual biomass, including compounds such as biochar, for the removal of OC compounds are analyzed and compared with the use of synthetic supports. A qualitative and quantitative comparison of the reported results was made. In this context, the use of peanut shells is highlighted in view of the increasing peanut production worldwide. The linkage of methods with circular economy approaches that can be applied in practice is discussed.
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Affiliation(s)
- Maria Pilar Serbent
- Centro de Investigación y Tecnología Química (CITeQ), Facultad Regional Córdoba, Universidad Tecnológica Nacional (CONICET), Córdoba, Argentina
- Programa de Pós-Graduação em Ciências Ambientais (PPGCAMB), Universidade do Estado de Santa Catarina, Lages, Santa Catarina, Brasil
| | - Ivana Magario
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada (IPQA), Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba (CONICET), Córdoba, Argentina
| | - Clara Saux
- Centro de Investigación y Tecnología Química (CITeQ), Facultad Regional Córdoba, Universidad Tecnológica Nacional (CONICET), Córdoba, Argentina
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Borham A, Okla MK, El-Tayeb MA, Gharib A, Hafiz H, Liu L, Zhao C, Xie R, He N, Zhang S, Wang J, Qian X. Decolorization of Textile Azo Dye via Solid-State Fermented Wheat Bran by Lasiodiplodia sp. YZH1. J Fungi (Basel) 2023; 9:1069. [PMID: 37998874 PMCID: PMC10672102 DOI: 10.3390/jof9111069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 10/24/2023] [Accepted: 10/27/2023] [Indexed: 11/25/2023] Open
Abstract
Textile dyes are one of the major water pollutants released into water in various ways, posing serious hazards for both aquatic organisms and human beings. Bioremediation is a significantly promising technique for dye decolorization. In the present study, the fungal strain Lasiodiplodia sp. was isolated from the fruiting bodies of Schizophyllum for the first time. The isolated fungal strain was examined for laccase enzyme production under solid-state fermentation conditions with wheat bran (WB) using ABTS and 2,6-Dimethoxyphenol (DMP) as substrates, then the fermented wheat bran (FWB) was evaluated as a biosorbent for Congo red dye adsorption from aqueous solutions in comparison with unfermented wheat bran. A Box-Behnken design was used to optimize the dye removal by FWB and to analyze the interaction effects between three factors: fermentation duration, pH, and dye concentration. Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscopy (SEM) were applied to study the changes in the physical and chemical characteristics of wheat bran before and after fermentation. An additional experiment was conducted to investigate the ability of the Lasiodiplodia sp. YZH1 to remove Congo red in the dye-containing liquid culture. The results showed that laccase was produced throughout the cultivation, reaching peak activities of ∼6.2 and 22.3 U/mL for ABTS and DMP, respectively, on the fourth day of cultivation. FWB removed 89.8% of the dye (100 mg L-1) from the aqueous solution after 12 h of contact, whereas WB removed only 77.5%. Based on the Box-Behnken design results, FWB achieved 93.08% dye removal percentage under the conditions of 6 days of fermentation, pH 8.5, and 150 mg L-1 of the dye concentration after 24 h. The fungal strain removed 95.3% of 150 mg L-1 of the dye concentration after 8 days of inoculation in the dye-containing liquid culture. These findings indicate that this strain is a worthy candidate for dye removal from environmental effluents.
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Affiliation(s)
- Ali Borham
- Key Laboratory of Cultivated Land Quality Monitoring and Evaluation, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225127, China; (A.B.); (J.W.)
- Agriculture Products Safety and Environment, College of Agriculture, Yangzhou University, Yangzhou 225127, China
- Agricultural Botany Department, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt
| | - Mohammad K. Okla
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (M.K.O.); (M.A.E.-T.)
| | - Mohamed A. El-Tayeb
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (M.K.O.); (M.A.E.-T.)
| | - Ahmed Gharib
- National Institute of Laser Enhanced Sciences (NILES), Cairo University, Giza 12613, Egypt;
| | - Hanan Hafiz
- Biotechnology Department, Faculty of Science, Damietta University, New Damietta 34517, Egypt;
| | - Lei Liu
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China; (L.L.); (C.Z.); (R.X.); (N.H.); (S.Z.)
| | - Chen Zhao
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China; (L.L.); (C.Z.); (R.X.); (N.H.); (S.Z.)
| | - Ruqing Xie
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China; (L.L.); (C.Z.); (R.X.); (N.H.); (S.Z.)
| | - Nannan He
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China; (L.L.); (C.Z.); (R.X.); (N.H.); (S.Z.)
| | - Siwen Zhang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China; (L.L.); (C.Z.); (R.X.); (N.H.); (S.Z.)
| | - Juanjuan Wang
- Key Laboratory of Cultivated Land Quality Monitoring and Evaluation, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225127, China; (A.B.); (J.W.)
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China; (L.L.); (C.Z.); (R.X.); (N.H.); (S.Z.)
| | - Xiaoqing Qian
- Key Laboratory of Cultivated Land Quality Monitoring and Evaluation, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225127, China; (A.B.); (J.W.)
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China; (L.L.); (C.Z.); (R.X.); (N.H.); (S.Z.)
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Zhu N, Yu Q, Song L, Sheng H. The Inhibiting Effects of High-Dose Biochar Application on Soil Microbial Metagenomics and Rice ( Oryza sativa L.) Production. Int J Mol Sci 2023; 24:15043. [PMID: 37894726 PMCID: PMC10606461 DOI: 10.3390/ijms242015043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/07/2023] [Accepted: 10/09/2023] [Indexed: 10/29/2023] Open
Abstract
Biochar is usually considered as an organic improver which can improve soil and increase crop yields. However, the unrestricted application of biochar to normal-fertility farmland will cause chemical stress on crops and affect agricultural production. At present, the effects and mechanisms of high-dose applications of biochar on rice (Oryza sativa L.) production and soil biological characteristics have not been fully studied. In this greenhouse pot experiment, combined with soil microbial metagenomics, three treatments in triplicates were conducted to explore the responses of rice production, soil chemical properties, and soil biological properties to high-dose applications of biochar (5%, w/w) prepared using peanut waste (peanut hulls and straw). The results show that peanut hulls, with a loose texture and pore structure, are a raw material with stronger effects for preparing biochar than peanut straw in terms of its physical structure. In a rice monoculture system, high-dose applications of biochar (5%, w/w) can slightly increase the grains per spike, while significantly inhibiting the spike number per pot and the percentage of setting. High-dose applications of biochar also have significant negative effects on the diversity and stability of soil bacterial and archaeal communities. Moreover, the microbial metabolism and nutrient cycling processes are also significantly affected by changing the soil carbon/nitrogen ratio. This study discusses the response mechanisms of rice production and soil biology to high-dose biochar applications, and complements the understanding of irrational biochar application on agricultural production and land sustainability.
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Affiliation(s)
- Nanyan Zhu
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225000, China;
| | - Qiaoqiao Yu
- Jiangsu Key Laboratory of Crop Genetics and Physiology, Agricultural College of Yangzhou University, Yangzhou 225000, China;
| | - Lingqi Song
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225000, China;
| | - Haijun Sheng
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225000, China;
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5
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Campos NF, Sales DC, Rodríguez-Díaz JM, Barbosa CM, Duarte MM. Adsorption of naphthenic acids on peanut shell activated carbon: Batch and fixed-bed column study of the process. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.10.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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6
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Khiaophong W, Jaroensan J, Kachangoon R, Vichapong J, Burakham R, Santaladchaiyakit Y, Srijaranai S. Modified Peanut Shell as an Eco-Friendly Biosorbent for Effective Extraction of Triazole Fungicide Residues in Surface Water and Honey Samples before Their Determination by High-Performance Liquid Chromatography. ACS OMEGA 2022; 7:34877-34887. [PMID: 36211057 PMCID: PMC9535652 DOI: 10.1021/acsomega.2c03410] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
An eco-friendly sample preparation method that is based on the use of a modified peanut shell as an efficient biosorbent for the extraction of triazole residues before their analysis by high-performance liquid chromatography was reported. The four triazole fungicides were separated on a Purospher STAR RP-18 endcapped (4.6 × 150 mm, 5 μm) column with a mobile phase of 50% (v/v) acetonitrile at a flow rate of 1.0 mL min-1 and detection wavelength set at 220 nm. Peanut shells modified by didodecyldimethylammonium bromide were selected as an effective biosorbent material in the microextraction method. Scanning electron microscopy, transmission electron microscopy, and Fourier transform infrared spectroscopy were used to characterize the biosorbent. The effect of dominant parameters on the proposed microextraction method including the amount of sorbent, kind and concentration of surfactant, sodium hydroxide concentration, kind and amount of salt, sample volume, adsorption time, kind and volume desorption solvent, and desorption time was studied. Under the optimum condition, a good analytical performance for the proposed microextraction method was obtained with a wide linear range within the range of 9-1000 μg L-1, and low limits of detection (0.03 μg L-1 for all analytes) were obtained. Enrichment factors were achieved within the range of 30-51. The intra and interday precision values were evaluated in terms of percentage relative standard deviations (%RSD) and were less than 0.09 and 5.34% for the retention time and peak area, respectively. The proposed microextraction methods were used for extraction and analysis of triazole fungicides in water and honey samples. The recoveries in a satisfactory range of 70.0-118.8% were obtained.
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Affiliation(s)
- Wannipha Khiaophong
- Creative
Chemistry and Innovation Research Unit, Department of Chemistry and
Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahasarakham University, Maha Sarakham 44150, Thailand
| | - Jedsada Jaroensan
- Creative
Chemistry and Innovation Research Unit, Department of Chemistry and
Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahasarakham University, Maha Sarakham 44150, Thailand
| | - Rawikan Kachangoon
- Creative
Chemistry and Innovation Research Unit, Department of Chemistry and
Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahasarakham University, Maha Sarakham 44150, Thailand
| | - Jitlada Vichapong
- Creative
Chemistry and Innovation Research Unit, Department of Chemistry and
Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahasarakham University, Maha Sarakham 44150, Thailand
- Multidisciplinary
Research Unit of Pure and Applied Chemistry (MRUPAC), Department of
Chemistry and Center of Excellent for Innovation in Chemistry, Faculty
of Science, Mahasarakham University, Maha Sarakham 44150, Thailand
| | - Rodjana Burakham
- Materials
Chemistry Research Center, Department of Chemistry and Center of Excellence
for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Yanawath Santaladchaiyakit
- Department
of Chemistry, Faculty of Engineering, Rajamangala
University of Technology Isan, Khon Kaen Campus, Khon Kaen 40000, Thailand
| | - Supalax Srijaranai
- Materials
Chemistry Research Center, Department of Chemistry and Center of Excellence
for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
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Wang D, Tian J, Guan J, Ding Y, Wang ML, Tonnis B, Liu J, Huang Q. Valorization of sugarcane bagasse for sugar extraction and residue as an adsorbent for pollutant removal. Front Bioeng Biotechnol 2022; 10:893941. [PMID: 36091428 PMCID: PMC9449146 DOI: 10.3389/fbioe.2022.893941] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 07/08/2022] [Indexed: 12/07/2022] Open
Abstract
Following juice crushing for sugar or bioethanol production from sugarcane, bagasse (SCB) is generated as the main lignocellulosic by-product. This study utilized SCB generated by a hydraulic press as feedstock to evaluate sugar extraction as well as adsorption potential. Total soluble sugar (sucrose, glucose, and fructose) of 0.4 g/g SCB was recovered with H2O extraction in this case. Insoluble sugar, that is, cellulose in SCB, was further hydrolyzed into glucose (2%–31%) with cellulase enzyme, generating a new bagasse residue (SCBE). Persulfate pretreatment of SCB slightly enhanced saccharification. Both SCB and SCBE showed great potential as adsorbents with 98% of methylene blue (MB) removed by SCB or SCBE and 75% of Cu2+ by SCBE and 80% by SCB in 60 min. The maximum adsorption amount (qm) was 85.8 mg/g (MB by SCB), 77.5 mg/g (MB by SCBE), 3.4 mg/g (Cu2+ by SCB), and 1.2 mg/g (Cu2+ by SCBE). The thermodynamics indicated that the adsorption process is spontaneous, endothermic, and more random in nature. The experimental results offer an alternative to better reutilize SCB.
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Affiliation(s)
- Duanhao Wang
- College of Biology and Food Engineering, Huanghuai University, Zhumadian, China
| | - Jiahua Tian
- College of Environmental Science and Engineering, Nanjing Tech University, Nanjing, China
| | - Jian Guan
- College of Environmental Science and Engineering, Nanjing Tech University, Nanjing, China
| | - Yiwen Ding
- College of Environmental Science and Engineering, Nanjing Tech University, Nanjing, China
| | - Ming Li Wang
- USDA-ARS, Plant Genetic Resources Conservation Unit, Griffin, GA, United States
| | - Brandon Tonnis
- USDA-ARS, Plant Genetic Resources Conservation Unit, Griffin, GA, United States
| | - Jiayang Liu
- College of Environmental Science and Engineering, Nanjing Tech University, Nanjing, China
- *Correspondence: Jiayang Liu, ; Qingguo Huang,
| | - Qingguo Huang
- Department of Crop and Soil Sciences, University of Georgia, Griffin, GA, United States
- *Correspondence: Jiayang Liu, ; Qingguo Huang,
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Sharifpour E, Arabkhani P, Sadegh F, Mousavizadeh A, Asfaram A. In-situ hydrothermal synthesis of CNT decorated by nano ZnS/CuO for simultaneous removal of acid food dyes from binary water samples. Sci Rep 2022; 12:12381. [PMID: 35858982 PMCID: PMC9300655 DOI: 10.1038/s41598-022-16676-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 07/13/2022] [Indexed: 11/16/2022] Open
Abstract
The zinc sulfide/copper oxide-carbon nanotube nanocomposite (ZnS/CuO-CNT) was fabricated by using an in-situ hydrothermal synthesis method and was used for simultaneous ultrasound-assisted adsorptive removal of a binary mixture of ponceau 4R (P4R) and tartrazine (TA) acid food dyes from contaminated water. The as-synthesized ZnS/CuO-CNT was described by FESEM, XRD, FTIR, BET, and zeta potential analysis. The results included nested network morphology, high purity with the crystalline structure, oxygen-containing functional groups, mesoporous/micropores texture with cumulate interspace, specific surface area of 106.54 m2 g-1, and zero-point charge (pHzpc) of 5.3. In adsorption experiments, the simultaneous effect of main independent variables, including solution pH, adsorbent dosage, concentration of each dye, temperature, and sonication time on the removal efficiency of dyes was studied systematically using the central composite design (CCD) method based on response surface methodology (RSM). Also, the second-order multivariate equation was presented to determine the relationship between the removal efficiencies of P4R and AT dyes and six independent effective variables. The high correlation coefficient (R2 ≥ 0.99), significant p-value (P < 0.0001), and non-significant lack-of-fit (P > 0.05) showed the high accuracy, and validity of the proposed model to predict the removal efficiency of P4R and TA acid food dyes. The experimental removal efficiency for P4R and TA dyes was found to be 98.45 ± 2.54, and 99.21 ± 2.23, respectively. Also, the Langmuir maximum adsorption capacity for P4R and TA dyes was determined to be 190.1 mg g-1 and 183.5 mg g-1, respectively. Finally, the adsorbent's reusability was tested for six periods and could be reused repeatedly without significant reduction in adsorption performance.
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Affiliation(s)
- Ebrahim Sharifpour
- Social Determinants of Health Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Payam Arabkhani
- Department of Chemistry, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Fatemeh Sadegh
- Department of Chemistry, Faculty of Sciences, University of Sistan of Baluchestan, Zahedan, Iran
| | - Ali Mousavizadeh
- Social Determinants of Health Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Arash Asfaram
- Medicinal Plants Research Center, Yasuj University of Medical Sciences, Yasuj, Iran.
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9
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Highly efficient and ultra-rapid adsorption of malachite green by recyclable crab shell biochar. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.05.047] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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10
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The Fast-Efficient Adsorption Process of the Toxic Dye onto Shells Powders of Walnut and Peanut: Experiments, Equilibrium, Thermodynamic, and Regeneration Studies. CHEMISTRY AFRICA 2022. [DOI: 10.1007/s42250-022-00328-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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11
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Yu XX, Cheng H, Li X, Li YJ, Song XQ. A hydrostable Cu II coordination network prepared hydrothermally as a "turn-on" fluorescent sensor for S 2- and a selective adsorbent for methylene blue. Dalton Trans 2022; 51:2962-2974. [PMID: 35108721 DOI: 10.1039/d1dt04283a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The effective monitoring of water pollution and further purification are pressing yet challenging issues for guaranteeing the health of human beings and the stabilization of ecological systems. For this purpose, the development of efficient sensing and adsorption materials as a result of supramolecular interactions, including coordination and H-bonding etc., have been attracting increasing attention. With the aid of a coordination-driven self-assembly strategy, a new nonporous 2D CuII coordination network, [Cu2L(H2O)2]n (donated as CuCP), based on H4L, where H4L = 4-(4-(3,5-di-carboxy-pyridin-4-yl)phenyl)pyridine-2,6-dicarboxylic acid, was afforded hydrothermally. Structural analysis indicated that CuCP featured a wrinkled network similar to the ancient Chinese folding screens and constructed by the fully deprotonated ligand L4- with the coordination mode of bis(μ2-η1:η1:η2) and penta-coordinated Cu2+, which could be further upgraded to a supramolecular 3D framework as a result of the synergism of multiple C-H⋯O hydrogen bonds. The hydrostability of CuCP could be maintained within a wide pH range from 2 to 12 as verified by PXRD determination, endowing it with potential environmental applications. Thanks to the combination of the soft Lewis acidity of Cu2+ and its large conjugated structure, CuCP could be used as a turn-on fluorescence sensor for S2- and exhibited a different fluorescence response when Na2S, (NH4)2S or H2S were incorporated, even in actual water samples. The sensing mechanisms were disclosed in detail by the combination of experiments and density functional theory (DFT) calculations. Furthermore, CuCP was shown to be a selective and recoverable adsorbent with a maximum adsorption capacity of 379 mg g-1 in 60 minutes for methylene blue (MB). The adsorption mechanism could be a combination of π⋯π stacking, n⋯π interaction, aggregation effects and Soft and Hard Acid-Base theory (HSAB). The results presented herein open up new perspectives for CuII species in environmental applications.
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Affiliation(s)
- Xin-Xin Yu
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China.
| | - Hao Cheng
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China.
| | - Xuan Li
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China.
| | - Ya-Jun Li
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China.
| | - Xue-Qin Song
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China.
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Teymourian T, Alavi Moghaddam MR, Kowsari E. Performance of novel GO-Gly/HNTs and GO-GG/HNTs nanocomposites for removal of Pb(II) from water: optimization based on the RSM-CCD model. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:9124-9141. [PMID: 34494195 DOI: 10.1007/s11356-021-16297-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Accepted: 08/29/2021] [Indexed: 06/13/2023]
Abstract
For the first time, in this study, two novel glycogen-graphene oxide/halloysite nanotubes (GO-Gly/HNTs) and guar gum-graphene oxide/halloysite nanotubes (GO-GG/HNTs) nanocomposites were synthesized as the adsorbents for removal of Pb(II) from water, and the ionic liquid was used in the synthesis as a green solvent. According to the SEM, TEM, EDS, BET, zeta potential, FTIR, and XRD results, GO-Gly/HNTs and GO-GG/HNTs were synthesized successfully. Response surface methodology (RSM) was applied to optimize the experimental conditions. Nanocomposites followed the Langmuir equilibrium model and were best fitted to the pseudo-second-order model. According to the thermodynamic model, the adsorption process was endothermic. Due to several features, these two novel nanocomposites can be considered the proper candidate for Pb(II) removal from water and wastewater. First, these nanocomposites have good adsorption capacity for Pb(II) removal, which is 219 mg/g for GO-Gly/HNTs and 315 mg/g for GO-GG/HNTs. Moreover, nanocomposites can be recycled with proper adsorption capacity after four repeated cycles. These materials can be used to remove Pb(II) from water in the presence of other contaminants because nanocomposites have selective tendency toward Pb(II) in the presence of other pollutants such as Cd2+, Cu2+, Cr2+, and Co2+. In addition, the presence of Ca2+, Mg2+, Na+, and K+ improve Pb(II) removal. Finally, possible mechanisms for each nanocomposite were represented.
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Affiliation(s)
- Targol Teymourian
- Department of Civil and Environmental Engineering, Amirkabir University of Technology (Tehran Polytechnic), Hafez St, Tehran, 15875-4413, Iran
| | - Mohammad Reza Alavi Moghaddam
- Department of Civil and Environmental Engineering, Amirkabir University of Technology (Tehran Polytechnic), Hafez St, Tehran, 15875-4413, Iran.
| | - Elaheh Kowsari
- Department of Chemistry, Amirkabir University of Technology (Tehran Polytechnic), Hafez St, Tehran, 15875-4413, Iran
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13
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Adsorption Characteristics and Molecular Simulation of Malachite Green onto Modified Distillers’ Grains. WATER 2022. [DOI: 10.3390/w14020171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Adsorbent material was prepared using distillers’ grains (DG), which is a waste product of distilleries. The DG was pre-treated with NaOH and esterification-modified with CS2, which is a commonly used anionic modifier. The structure and morphology of the adsorbent was characterized by FTIR, XRD, EDS, SEM, BET, and zeta potential. The related mechanism of adsorption of malachite green (MG) onto modified distiller’s grains (MDG) was studied by adsorption experiments and molecular simulation techniques. The experimental results showed that CS2 successfully modified the DG fiber, and simultaneously yielded the MDG with a uniform pore distribution. MDG had a considerable adsorption capacity of 367.39 mg/g and a maximum removal rate of 96.51%. After eight adsorption–desorption cycle experiments, the adsorption removal rate of MDG to MG dye remained at 82.6%. The adsorption process could be fitted well by a pseudo-second-order kinetic model (the correlation coefficient R2 > 0.998) and Freundlich isotherm adsorption equation (the correlation coefficient R2 > 0.972). Moreover, the adsorption of MG dye by MDG is a spontaneous, endothermic, and increased entropy process. The results of molecular simulation showed that the mechanism of MG molecules onto MDG was mainly chemical adsorption. The adsorption performance of MG onto MDG was better and more stable than DG. Molecular simulation also provided a theoretical guidance of MDG adsorption–desorption for the research on recycling of DG resources.
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14
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Chmelová D, Legerská B, Kunstová J, Ondrejovič M, Miertuš S. The production of laccases by white-rot fungi under solid-state fermentation conditions. World J Microbiol Biotechnol 2022; 38:21. [PMID: 34989891 DOI: 10.1007/s11274-021-03207-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 12/10/2021] [Indexed: 10/19/2022]
Abstract
Laccases (E.C. 1.10.3.2) produced by white-rot fungi (WRF) can be widely used, but the high cost prevents their use in large-scale industrial processes. Finding a solution to the problem could involve laccase production by solid-state fermentation (SSF) simulating the natural growth conditions for WRF. SSF offers several advantages over conventional submerged fermentation (SmF), such as higher efficiency and productivity of the process and pollution reduction. The aim of this review is therefore to provide an overview of the current state of knowledge about the laccase production by WRF under SSF conditions. The focus is on variations in the up-stream process, fermentation and down-stream process and their impact on laccase activity. The variations of up-stream processing involve inoculum preparation, inoculation of the medium and formulation of the propagation and production media. According to the studies, the production process can be shortened to 5-7 days by the selection of a suitable combination of lignocellulosic material and laccase producer without the need for any additional components of the culture medium. Efficient laccase production was achieved by valorisation of wastes as agro-food, municipal wastes or waste generated from wood processing industries. This leads to a reduction of costs and an increase in competitiveness compared to other commonly used methods and/or procedures. There will be significant challenges and opportunities in the future, where SSF could become more efficient and bring the enzyme production to a higher level, especially in new biorefineries, bioreactors and biomolecular/genetic engineering.
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Affiliation(s)
- Daniela Chmelová
- Department of Biotechnology, Faculty of Natural Sciences, University of SS. Cyril and Methodius, J. Herdu 2, 917 01, Trnava, Slovak Republic
| | - Barbora Legerská
- Department of Biotechnology, Faculty of Natural Sciences, University of SS. Cyril and Methodius, J. Herdu 2, 917 01, Trnava, Slovak Republic
| | - Jana Kunstová
- Department of Biotechnology, Faculty of Natural Sciences, University of SS. Cyril and Methodius, J. Herdu 2, 917 01, Trnava, Slovak Republic
| | - Miroslav Ondrejovič
- Department of Biotechnology, Faculty of Natural Sciences, University of SS. Cyril and Methodius, J. Herdu 2, 917 01, Trnava, Slovak Republic.
| | - Stanislav Miertuš
- Department of Biotechnology, Faculty of Natural Sciences, University of SS. Cyril and Methodius, J. Herdu 2, 917 01, Trnava, Slovak Republic
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15
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Sudrajat H, Susanti A, Putri DKY, Hartuti S. Mechanistic insights into the adsorption of methylene blue by particulate durian peel waste in water. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2021; 84:1774-1792. [PMID: 34662312 DOI: 10.2166/wst.2021.361] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
This study aims to investigate the adsorption of methylene blue (MB) over particulate durian peel waste, which is chemically activated with hydrogen peroxide. The equilibrium data are well described by the Freundlich isotherm model, which indicates that the MB adsorption takes place predominantly on multilayers and heterogeneous surfaces of the biosorbent. The Freundlich adsorption constants, KF and n, are 11.06 L/g and 2.94, respectively. Thermodynamic data suggest that the MB adsorption occurs spontaneously and endothermically. The enthalpy and entropy for the MB adsorption are obtained as 10.26 kJ/mol and 0.058 kJ/mol K, respectively, in the temperature range of 303-323 K. Based on the stepwise desorption method, the adsorption of MB is dominated by physical interactions, particularly hydrogen bonding.
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Affiliation(s)
- Hanggara Sudrajat
- Department of Chemical Engineering, Faculty of Engineering, Universitas Jember, Jember 68121, Indonesia E-mail:
| | - Ari Susanti
- Department of Chemical Engineering, Faculty of Engineering, Universitas Jember, Jember 68121, Indonesia E-mail:
| | | | - Sri Hartuti
- Department of Environmental and Renewable Energy Systems, Graduate School of Engineering, Gifu University, Gifu 501-1193, Japan
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16
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Chandarana H, Subburaj S, Kumar PS, Kumar MA. Evaluation of phase transfer kinetics and thermodynamic equilibria of Reactive Orange 16 sorption onto chemically improved Arachis hypogaea pod powder. CHEMOSPHERE 2021; 276:130136. [PMID: 33684858 DOI: 10.1016/j.chemosphere.2021.130136] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 02/13/2021] [Accepted: 02/25/2021] [Indexed: 06/12/2023]
Abstract
Biosorbent from pods of Arachis hypogaea (AhP) were inducted with sulphuric acid treatment and then the activated materials were employed to sequester a sulphonated textile dye; Reactive Orange 16 (RO16) from water system. The characteristic features of the surface functionalized AhP (Ct-AhP) were analysed using instrumentation techniques. The biosorption influencing variables like operating pH, agitating time, initial RO16 concentration and temperature effects were investigated. One-factor optimization revealed that 0.5 g Ct-AhP was sufficient to achieve maximum removal of RO16 (20-120 mg/L) within 180 min agitation at 150 rpm. The isotherm data were applied to non-linear isotherms viz., Freundlich, Langmuir and Temkin models as well as rate limiting steps were elucidated using kinetic models. Freundlich isotherm showed good fit and pseudo-second order kinetic data explained RO16 removal by Ct-AhP followed chemisorption. The outcome of thermodynamic parametric values infer that RO16 biosorption was spontaneous, feasible and involved exothermic type of heat. Elovich and intraparticle diffusion revealed the biosorption mechanisms. The maximum RO16 biosorption (56.48 mg/g) by 0.5 g Ct-AhP were witnessed in the system containing 120 mg/L RO16 agitated at 150 rpm operating at pH 7.0, 303 K for a span of 180 min. Thus, the Ct-AhP is considered to be a promising biosorbent which can be employed in treating the textile effluents.
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Affiliation(s)
- Helly Chandarana
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, 364 002, Gujarat, India
| | - Suganya Subburaj
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, 364 002, Gujarat, India
| | - Ponnusamy Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, Tamil Nadu, India
| | - Madhava Anil Kumar
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, 364 002, Gujarat, India; Academy of Scientific and Innovative Research, Ghaziabad, 201 002, Uttar Pradesh, India.
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17
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Effect of Immobilization Support and Fermentation Temperature on Beer and Fermented Milk Aroma Profiles. BEVERAGES 2021. [DOI: 10.3390/beverages7030047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The food industry increasingly produces wastes like coconut and peanut shells. In addition, low temperature fermentation is always a challenge. Therefore, in the present study, a sustainable exploitation of these by-products is proposed through the production of carriers for immobilized cells of yeast and bacteria. The immobilized cells, after thermally drying, were evaluated for their efficiency in beer and milk fermentations respectively, in various fermentation temperatures and storage for up to three months. The beers and fermented milks were evaluated for their aroma and the results showed products of high quality. Coconut shells resulted in better products with increased fruity ester content in fermented milks and reduced dimethyl sulfite and vicinal diketones and increased ratio of esters to alcohol in beers. These results reveal the possibilities of immobilized cells in coconut and peanut shells for application in food industry, however, more research is needed to evaluate their effect on sensory characteristics and possible prebiotic and probiotic potential especially in the case of fermented milks.
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18
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Fang L, Wu H, Shi Y, Tao Y, Yong Q. Preparation of Lignin-Based Magnetic Adsorbent From Kraft Lignin for Adsorbing the Congo Red. Front Bioeng Biotechnol 2021; 9:691528. [PMID: 34164389 PMCID: PMC8215368 DOI: 10.3389/fbioe.2021.691528] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 05/04/2021] [Indexed: 11/13/2022] Open
Abstract
The utilization of lignin from different lignocellulosic biomass is the hot topic for the biorefinery of biomass. In this paper, magnetic lignin nanoparticles (MLN) were prepared by kraft lignin from bamboo residue and Fe3O4 with different ratios via Mannich reaction. The surface morphology and structure of magnetic lignin were characterized and analyzed by X-ray powder diffraction, Fourier transform infrared spectroscopy, and transmission electron microscopy, which confirmed that the MLN were successfully prepared. The performance of MLN adsorbents was evaluated by adsorbing Congo red solution at different initial concentrations and contact times. The results showed that Fe3O4@lignin (1:0.5) had the best adsorption effect on Congo red solution. When the concentration of Congo red reached 0.6 g/L, Fe3O4@lignin (1:0.5) had the best adsorption effect on Congo red, reaching 95.5% in only 30 min. As lignin is modified by Fe3O4, it can be recovered by magnetic substances after adsorption and has good reuse performance. The results of adsorption kinetics and adsorption isotherm showed that except for the adsorption process of Fe3O4@lignin (1:0.5), which is consistent with the chemical adsorption of the multimolecular layer, the adsorption process of other adsorbents is in accordance with the chemical adsorption of the monomolecular layer. In terms of environmental protection and adsorption efficiency, and MLN has become an ideal adsorbent for Congo red dyes due to its simple preparation, superior performance, and convenient recovery.
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Affiliation(s)
- Lingyan Fang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Hao Wu
- Department of Biomedical Engineering, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China
| | - Yuxuan Shi
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Yuheng Tao
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Qiang Yong
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
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19
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Qiao Y, Zhang C, Kong F, Zhao Q, Kong A, Shan Y. Activated biochar derived from peanut shells as the electrode materials with excellent performance in Zinc-air battery and supercapacitance. WASTE MANAGEMENT (NEW YORK, N.Y.) 2021; 125:257-267. [PMID: 33714933 DOI: 10.1016/j.wasman.2021.02.057] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 02/21/2021] [Accepted: 02/28/2021] [Indexed: 06/12/2023]
Abstract
The use of activated biochar-based electrode derived from waste biomass in energy technologies, such as metal-air batteries and supercapacitors, is an important strategy for realizing energy and environmental sustainability in the future. Herein, peanut shells (waste biomass) were employed to prepare activated biochar materials by pyrolysis in molten KCl and heat-treatment. The effective dispersion and corrosion effects of molten salt for the pyrolysis products during pyrolysis obviously increase defects and specific surface area of the activated biochar materials. The prepared activated biochar material (PS-800-1000) by pyrolysis in molten KCl at 800 °C and heat-treatment at 1000 °C exhibits excellent catalytic activity with half-wave potential of 0.84 V vs. RHE, comparable to commercial Pt/C for oxygen reduction reaction (ORR) in 0.1 M KOH and outstanding supercapacitance performance in 6 M KOH with high specific capacitance (355 F g-1 at 0.5 A g-1), which exceeds all reported biochar derived from peanut shells. The PS-800-1000-based zinc-air battery (ZAB) displays higher peak power density (141 mW cm-2), specific capacity (767 mAh gZn-1) and cycling stability than Pt/C-based ZAB. The activated biochar prepared by pyrolysis in molten KCl and heat-treatment method from peanut shells can be a promising candidate for replacing precious metals in energy conversion/storage devices.
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Affiliation(s)
- Yu Qiao
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, PR China
| | - Chaoqi Zhang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, PR China
| | - Fantao Kong
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, PR China
| | - Qingbiao Zhao
- Key Laboratory of Materials and Devices, Department of Electronic Science, East China Normal University, Shanghai 200241, PR China.
| | - Aiguo Kong
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, PR China.
| | - Yongkui Shan
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, PR China.
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20
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Ligninolytic enzymes production during polycyclic aromatic hydrocarbons degradation: effect of soil pH, soil amendments and fungal co-cultivation. Biodegradation 2021; 32:193-215. [PMID: 33725325 DOI: 10.1007/s10532-021-09933-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 02/23/2021] [Indexed: 10/21/2022]
Abstract
Soil microorganisms play an important role in the degradation of PAHs and use various metabolic pathways for this process. The effect of soil pH, different soil amendments and the co-cultivation of fungi on the degradation of PAHs in soil and on the activity of ligninolytic enzymes was evaluated. For that purpose, three fungi were studied: Trichoderma viride, Penicillium chrysogenum and Agrocybe aegerita. Biodegradation assays with a mixture of 200 ppm PAHs (fluorene, pyrene, chrysene, and benzo[a]pyrene-50 ppm each) were set up at room temperature for 8 weeks. The maximum laccase activity by solid state fermentation-SSF (7.43 U/g) was obtained by A. aegerita on kiwi peels with 2 weeks and the highest manganese peroxidase activity (7.21 U/g) was reached in 4 weeks, both at pH 7. Fluorene, pyrene, and benzo[a]pyrene achieved higher degradation rates in soil at pH 5, while chrysene was more degradable at pH 7. About 85-90% of the PAHs were degraded by fungal remediation. The highest degradation of fluorene was achieved by co-cultivation of A. aegerita and P. chrysogenum, remaining 14% undegradable. Around 13% of pyrene stay undegradable by A. aegerita and T. viride and by A. aegerita and P. chrysogenum, both systems supported in kiwi peels, while 11% of chrysene remained in soil by the co-cultivation of these fungi, supported by peanut shells. Regarding benzo[a]pyrene, 13% remained in soil after treatment with A. aegerita. Despite the increase in degradation of some PAHs with co-cultivation, higher enzyme production during degradation was observed when fungi were cultivated alone.
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21
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Sewu DD, Lee DS, Woo SH, Kalderis D. Decolorization of triarylmethane dyes, malachite green, and crystal violet, by sewage sludge biochar: Isotherm, kinetics, and adsorption mechanism comparison. KOREAN J CHEM ENG 2021. [DOI: 10.1007/s11814-020-0727-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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22
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Biosorption of an anionic dye by peanut shell modified with gemini surfactants: A study on the stability of the modification and the removal efficiency. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114262] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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23
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Bai S, Wang T, Tian Z, Cao K, Li J. Facile preparation of porous biomass charcoal from peanut shell as adsorbent. Sci Rep 2020; 10:15845. [PMID: 32985585 PMCID: PMC7522232 DOI: 10.1038/s41598-020-72721-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 09/03/2020] [Indexed: 11/28/2022] Open
Abstract
Activated carbons derived from biomass have been proved to be one of the most promising adsorbents due to their abundance, low cost, reproducibility and environmental friendliness. In this study, a simple, facile and effective pyrolysis method was demonstrated to prepare hierarchical porous biomass charcoal by using peanut shells as precursor without chemical activation in an electric muffle furnace. The obtained products hold porous structure and abundant oxygen-containing functional groups, which were mainly due to in-built template of the structure of peanut shell and the preparation process without nitrogen protection, respectively. Interestingly, the obtained biomass charcoal sample with excellent adsorptive property quickly removed Pb2+ (100 mg/L) and methylene blue (50 mg/L) from water with removal efficiency of 96.5% and 97.1%, and removal capacity of 48 mg/g and 24 mg/g, respectively. The synthetic process was simple and economical, and it could be used as a beneficial reference in the recycling of biomass waste.
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Affiliation(s)
- Suzhen Bai
- School of Chemistry and Environmental Engineering, Pingdingshan University, Weilai Road, Pingdingshan, 467000, People's Republic of China
| | - Tiantian Wang
- School of Chemistry and Environmental Engineering, Pingdingshan University, Weilai Road, Pingdingshan, 467000, People's Republic of China
| | - Zhengshan Tian
- School of Chemistry and Environmental Engineering, Pingdingshan University, Weilai Road, Pingdingshan, 467000, People's Republic of China.
| | - Kesheng Cao
- School of Chemistry and Environmental Engineering, Pingdingshan University, Weilai Road, Pingdingshan, 467000, People's Republic of China
| | - Jitao Li
- School of Physics and Telecommunications Engineering, Zhoukou Normal University, Wenchang Dong Road, Zhoukou, 466001, People's Republic of China.
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24
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Zhang X, Zhou J, Fan Y, Liu J. Adsorption of dyes from water by Prunella vulgaris stem and subsequent fungal decolorization. KOREAN J CHEM ENG 2020. [DOI: 10.1007/s11814-020-0601-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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25
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Jiang W, Xing Y, Zhang L, Guo X, Lu Y, Yang M, Wang J, Wei G. Polyethylenimine‐modified sugarcane bagasse cellulose as an effective adsorbent for removing Cu(
II
) from aqueous solution. J Appl Polym Sci 2020. [DOI: 10.1002/app.49830] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Wenyan Jiang
- School of Chemistry and Chemical Engineering Guangxi University Nanning China
- Agro‐Products Quality Safety and Testing Technology Research Institute Guangxi Academy of Agricultural Sciences Nanning China
| | - Yihao Xing
- Agro‐Products Quality Safety and Testing Technology Research Institute Guangxi Academy of Agricultural Sciences Nanning China
| | - Linye Zhang
- School of Chemistry and Chemical Engineering Guangxi University Nanning China
- Guangxi Key Laboratory of Bio‐refinery Guangxi University Nanning China
| | - Xiaoming Guo
- School of Chemistry and Chemical Engineering Guangxi University Nanning China
| | - Yiwen Lu
- School of Chemistry and Chemical Engineering Guangxi University Nanning China
| | - Mei Yang
- School of Chemistry and Chemical Engineering Guangxi University Nanning China
| | - Jing Wang
- Key Laboratory of Agro‐product Quality and Safety Institute of Quality Standards & Testing Technology for Agro‐Products, Chinese Academy of Agricultural Sciences Beijing China
| | - Guangtao Wei
- School of Chemistry and Chemical Engineering Guangxi University Nanning China
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26
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Hou J, Zhang S, Zhang X, Liu S, Zhang Q. Adsorption of ferulic acid from an alkali-pretreated hydrolysate using a new effective adsorbent prepared by a thermal processing method. JOURNAL OF HAZARDOUS MATERIALS 2020; 392:122281. [PMID: 32092646 DOI: 10.1016/j.jhazmat.2020.122281] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 02/09/2020] [Accepted: 02/10/2020] [Indexed: 06/10/2023]
Abstract
A new adsorbent (AEPA250) was prepared using the enzymatic hydrolyzed residue of rice straw in an air environment at 250 ℃ by a thermal processing method. Compared to the commercial adsorbent, AEPA250 possessed a larger specific surface area of 277.680 m2 g-1, and the maximum adsorption efficiency of ferulic acid from alkali-pretreated hydrolysate of rice straw achieved 70.33 % at the optimum conditions. Adsorption kinetics and isotherm studies showed that the pseudo second-order (PSO) (0.997 ≤ R2 ≤ 0.999) and Liu models (0.931 ≤ R2 ≤ 0.997) exhibited better fitting results, which indicated that chemical and saturable adsorption existed between ferulic acid and AEPA250. An adsorption thermodynamics study revealed the spontaneous and endothermic adsorption process (ΔHo > 0 and ΔSo< 0). Micropore diffusion was defined as the major adsorption rate-limiting step according to the analysis of Webber-Morris and Bangham's model. Additionally, π-π*, ion exchange, hydrogen bonding and precipitation were recognized as the four main mechanisms of ferulic acid removal by AEPA250 through SEM/EDX, EDX mapping, XPS, FTIR and XRD analysis. These results indicated that AEPA250 was effective for adsorbing inhibitors in pretreated rice straw hydrolysates, and it has high potential for application in establishing the self-sufficient production process of bioethanol.
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Affiliation(s)
- Jinju Hou
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, 200241 Shanghai, China
| | - Shudong Zhang
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, 200241 Shanghai, China
| | - Xiaotong Zhang
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, 200241 Shanghai, China
| | - Shujia Liu
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, 200241 Shanghai, China
| | - Qiuzhuo Zhang
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, 200241 Shanghai, China; Institute of Eco-Chongming (IEC), 3663 N. Zhongshan Rd., Shanghai 200062, China.
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27
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Saha TK, Bishwas RK, Karmaker S, Islam Z. Adsorption Characteristics of Allura Red AC onto Sawdust and Hexadecylpyridinium Bromide-Treated Sawdust in Aqueous Solution. ACS OMEGA 2020; 5:13358-13374. [PMID: 32548522 PMCID: PMC7288719 DOI: 10.1021/acsomega.0c01493] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 05/14/2020] [Indexed: 06/11/2023]
Abstract
The Allura red AC (ARAC) dye adsorption onto natural sawdust (NSD) and hexadecylpyridinium bromide-treated sawdust (MSD) was investigated in aqueous solution as a function of contact time, solution pH, particle size, adsorbent dosage, dye concentration, temperature, and ionic strength. The adsorbents were characterized by Fourier transform infrared spectroscopy and X-ray diffraction crystallography. The dye adsorption onto both adsorbents was confirmed by field emission scanning electron microscopy and energy-dispersive X-ray spectroscopy. The maximum dye adsorption was found within 120 min at pH 2.0 for NSD and pH 3.0 for MSD, respectively, with a particle size of 0-75 μm and an adsorbent dosage of 0.07 g/50 mL ARAC dye solution (50 μmol/L). The batch adsorption kinetic data were followed by the pseudo-second-order kinetic model rather than the pseudo-first-order and Elovich kinetic models. Equilibrium adsorption isotherms were explained by the Langmuir isotherm model, and the maximum extent of adsorption was found to be 52.14 μmol/g for NSD and 151.88 μmol/g for MSD at 55 °C. The values of activation energy (E a) and thermodynamic parameters (ΔG ⧧, ΔH ⧧, ΔS ⧧, ΔG°, ΔH° and ΔS°) proved that the ARAC dye adsorption onto both adsorbents NSD and MSD is a spontaneous-endothermic physisorption process. ARAC (98-99%) was released from dye-loaded adsorbents in aqueous solution (pH ≥ 12) within 120 min. The adsorbents NSD and MSD were reused for a second time without significant loss of their adsorption efficiency.
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Affiliation(s)
- Tapan Kumar Saha
- Department
of Chemistry, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
| | - Raton Kumar Bishwas
- Department
of Chemistry, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
| | - Subarna Karmaker
- Department
of Chemistry, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
| | - Zinia Islam
- Department
of Biotechnology and Genetic Engineering, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
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Kocaman S. Removal of methylene blue dye from aqueous solutions by adsorption on levulinic acid-modified natural shells. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2020; 22:885-895. [PMID: 32151138 DOI: 10.1080/15226514.2020.1736512] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
This study has developed an innovative and environmentally friendly approach for the removal of methylene blue (MB) dye by natural shells (NShs) chemically modified with levulinic acid (LA). Almond shell (ASh), walnut shell (WSh), and apricot kernel shell (AKSh) were used as waste fillers. The adsorption behavior of MB onto the biosorbents was investigated with respect to parameters such as sorbent dosage (0.4-6 g/L), pH (3-10), initial dye concentration (10-500 mg/L), and temperature (25-65 °C). The biosorbents were analyzed by scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared (FTIR) analysis. The isotherm and kinetic adsorption data can be said to fit the Freundlich isotherm model and the pseudosecond-order model, respectively. The maximum adsorption capacity (qmax) of LA-modified walnut shell (LA-WSh), almond shell (LA-ASh), and apricot kernel shell (LA-AKSh) calculated by the Langmuir equation at 25 °C was 294.1, 270.2, and 180.0 mg/g, respectively. The results of thermodynamic analysis showed that adsorption was feasible, endothermic, and spontaneous.
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Affiliation(s)
- Suheyla Kocaman
- Chemical Engineering Department, Konya Technical University, Konya, Turkey
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29
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Kavci E. Malachite green adsorption onto modified pine cone: Isotherms, kinetics and thermodynamics mechanism. CHEM ENG COMMUN 2020. [DOI: 10.1080/00986445.2020.1715961] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Erbil Kavci
- Department of Chemical Engineering, Engineering and Architecture Faculty, Kafkas University, Kars, Turkey
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30
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Copper hexacyanoferrate nanoparticle-decorated biochar produced from pomelo peel for cesium removal from aqueous solution. J Radioanal Nucl Chem 2019. [DOI: 10.1007/s10967-019-06709-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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31
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González Bautista E, Gutierrez E, Dupuy N, Gaime-Perraud I, Ziarelli F, Farnet da Silva AM. Pre-treatment of a sugarcane bagasse-based substrate prior to saccharification: Effect of coffee pulp and urea on laccase and cellulase activities of Pycnoporus sanguineus. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 239:178-186. [PMID: 30901696 DOI: 10.1016/j.jenvman.2019.03.033] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 02/20/2019] [Accepted: 03/06/2019] [Indexed: 06/09/2023]
Abstract
Production of second-generation bioethanol uses lignocellulose from agricultural by-products such as sugarcane bagasse (SCB). A lignocellulose pre-treatment is required to degrade lignin, ensuring further efficient saccharification. Two experimental designs were set up to define culture conditions of Pycnoporus sanguineus in mesocosms to increase laccase activities and thus delignification. The first experimental design tested the effect of phenolic complementation (via coffee pulp) and the use of urea as a simple nitrogen source and the second defined more precisely the percentages of coffee pulp and urea to enhance delignification. The responses measured were: lignocellulolytic activities, laccase isoform profiles by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and the chemical transformation of the substrate using solid-state NMR of 13C. Adding 10% of coffee pulp increased laccase activities and fungal biomass (32.5% and 16% respectively), enhanced two constitutive isoforms (Rf 0.23 and 0.27), induced a new isoform (Rf 0.19) and led to a decrease in total aromatics. However, higher concentrations of coffee pulp (25%) decreased laccase and cellulase activities but no decrease in aromaticity was observed, potentially due to the toxic effect of phenols from coffee pulp. Moreover, laccase production was still inhibited even for lower concentrations of urea (0-5%). Our findings revealed that an agricultural by-product like coffee pulp can enhance laccase activity -though to a threshold- and that urea limited this process, indicating that other N-sources should be tested for the biological delignification of SCB.
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Affiliation(s)
- Enrique González Bautista
- Aix Marseille Université, Avignon Université, CNRS, IRD, IMBE, Marseille, France; Instituto de Biotecnología y Ecología Aplicada (INBIOTECA), Universidad Veracruzana, Campus para la Cultura, las Artes y el Deporte, Av. de las Culturas Veracruzanas No. 101Col. Emiliano Zapata, C.P. 91090, Xalapa, Veracruz, Mexico
| | - Enrique Gutierrez
- Instituto de Biotecnología y Ecología Aplicada (INBIOTECA), Universidad Veracruzana, Campus para la Cultura, las Artes y el Deporte, Av. de las Culturas Veracruzanas No. 101Col. Emiliano Zapata, C.P. 91090, Xalapa, Veracruz, Mexico
| | - Nathalie Dupuy
- Aix Marseille Université, Avignon Université, CNRS, IRD, IMBE, Marseille, France
| | | | - Fabio Ziarelli
- Aix Marseille Université, CNRS, Spectropole Campus St Jérôme, Fédération des Sciences Chimiques de Marseille, FR 1739, 13397, Marseille, France
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32
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Jiang C, Wang X, Qin D, Da W, Hou B, Hao C, Wu J. Construction of magnetic lignin-based adsorbent and its adsorption properties for dyes. JOURNAL OF HAZARDOUS MATERIALS 2019; 369:50-61. [PMID: 30772687 DOI: 10.1016/j.jhazmat.2019.02.021] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 01/22/2019] [Accepted: 02/08/2019] [Indexed: 05/22/2023]
Abstract
The magnetic lignin-based adsorbent (Fe3O4/C-ACLS) has been successfully prepared and applied to adsorbing azo dyes Congo red, Titan yellow and Eriochrome blue black R. The samples were characterized by Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermal gravimetric analysis (TGA), X-ray powder diffraction (XRD), vibration sample magnetometer (VSM), Raman spectroscopy and elemental analysis. In the process of adsorption, five kinds of influencing factors and recycling regeneration were discussed, and the adsorption mechanisms such as kinetics, isotherm, thermodynamics were explored. The results show that Fe3O4/C-ACLS can remove 98%, 92% and 99% of Congo red, Titan yellow and Eriochrome blue black R, respectively. Under the same conditions, the removal rate was 87%, 84% and 88% after 5 times adsorption cycle, respectively. Pseudo-first-order, pseudo-second-order kinetics, Elovich model and intraparticle diffusion model were studied, and the results show that the adsorption process conforms to pseudo-second-order kinetics model, and the diffusion rate is controlled by many steps. The results of isotherm model and thermodynamics show that the adsorption process is consistent with Langmuir model and is mainly a spontaneous chemical endothermic process of monolayer.
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Affiliation(s)
- Chenglong Jiang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
| | - Xiaohong Wang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China.
| | - Demeng Qin
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
| | - Wenxin Da
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
| | - Bingxia Hou
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
| | - Chen Hao
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China.
| | - Jingbo Wu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
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Pan T, Xiang H, Diao T, Ma W, Shi C, Xu Y, Xie Q. Effects of probiotics and nutrients addition on the microbial community and fermentation quality of peanut hull. BIORESOURCE TECHNOLOGY 2019; 273:144-152. [PMID: 30428406 DOI: 10.1016/j.biortech.2018.10.088] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 10/30/2018] [Accepted: 10/31/2018] [Indexed: 06/09/2023]
Abstract
The objective of this study was to develop a new type of feedstuff by utilizing probiotics to transform agricultural byproducts to meet the livestock feed shortage. In this study, peanut hull powder (PHP) was used as the fermentation substrate, which was inoculated with 18 kinds of feed probiotics combined with two kinds of nutritional additives. The desired value formula was used to select the strains suitable for fermentation of PHP, and the strains were combined as multi-culture starters. We compared the changes of the chemical composition and bacterial flora before and after the fermentation, which provided a theoretical basis for the establishment and quality evaluation of the system of PHP fermentation. The result shows that inoculation with CM6 together with nutrients co-fermenting clearly raised the content of organic acid, CP and WSC in the PHP and effectively inhibited the growth of harmful microorganisms such as Enterobacter and Fusarium.
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Affiliation(s)
- Tong Pan
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China
| | - Hongyu Xiang
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China; National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China; Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Jilin 130012, PR China
| | - Taotao Diao
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China
| | - Wen Ma
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China
| | - Chao Shi
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China
| | - Yun Xu
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China
| | - Qiuhong Xie
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China; National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China; Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Jilin 130012, PR China.
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Steudler S, Werner A, Walther T. It Is the Mix that Matters: Substrate-Specific Enzyme Production from Filamentous Fungi and Bacteria Through Solid-State Fermentation. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2019; 169:51-81. [PMID: 30796505 DOI: 10.1007/10_2019_85] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Fungi have a diverse spectrum of extracellular enzymes. In nature, extracellular enzymes primarily serve to procure nutrients for the survival and growth of the fungi. Complex polymers such as lignocellulose and starch as well as proteins and fats are broken down into their basic building blocks by extracellular enzymes such as amylases, proteases, lipases, xylanases, laccases, and many more.The abilities of these enzymes are made use of in diverse areas of industry, including food technology, textiles, and pharmaceuticals, and they have become indispensable for today's technology. Enzyme production is usually carried out using submerged fermentation (SmF). However, as part of the search for more sustainable uses of raw materials, solid-state fermentation (SSF) has become the focus of research.The rate of enzyme formation depends on different factors, for example, microorganism, temperature, or oxygen supply. However, one of the most important factors in enzyme production is the choice of substrate, which varies depending on the desired target enzyme. Substrates with proven effectiveness include wheat bran and straw, but unusual agricultural residues such as forage cactus pears and orange peels have surprisingly positive effects on enzyme formation as well.This review gives an overview of various technically relevant enzymes produced by filamentous fungi and suitable substrates for the production of the enzymes by SSF. Graphical Abstract.
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Affiliation(s)
- Susanne Steudler
- Institut für Naturstofftechnik, Professur für Bioverfahrenstechnik, Technische Universität Dresden, Dresden, Germany.
| | - Anett Werner
- Institut für Naturstofftechnik, Professur für Bioverfahrenstechnik, Technische Universität Dresden, Dresden, Germany
| | - Thomas Walther
- Institut für Naturstofftechnik, Professur für Bioverfahrenstechnik, Technische Universität Dresden, Dresden, Germany
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Liu J, Hu C, Huang Q. Adsorption of Cu 2+, Pb 2+, and Cd 2+ onto oiltea shell from water. BIORESOURCE TECHNOLOGY 2019; 271:487-491. [PMID: 30219495 DOI: 10.1016/j.biortech.2018.09.040] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 09/06/2018] [Accepted: 09/07/2018] [Indexed: 06/08/2023]
Abstract
Agro-processing waste oiltea shell (OTS) has been previously proven effective in removing dye from water by adsorption. This study further evaluated its capability to adsorb heavy metals in aqueous solution. Adsorbent dosage, pH, ion concentration, temperature, and contact time were investigated in batch experiments. Pseudo-second order kinetic better described the adsorption process for the three ions. Langmuir equation was more suitable for Cu2+ and Cd2+, while Freundlich for Pb2+. The maximum adsorption capacity was 22.4 (Pb2+), 12.1 (Cu2+), and 14.2 mg/g (Cd2+), respectively. The adsorption was spontaneous and endothermic. Adsorption was then performed in column and Thomas model was fitted, based on which the maximum adsorption capacity was 7.42 (Cu2+), 4.17 (Pb2+), and 18.02 mg/g (Cd2+), respectively. High removal rate of metal ions and dye methylene blue was also achieved from their mixture solution. OTS is therefore a promising biosorbent in treating wastewater with organic and inorganic pollutants.
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Affiliation(s)
- Jiayang Liu
- School of Bioengineering, Huanghuai University, Zhumadian 463000, China
| | - Changwei Hu
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China.
| | - Qingguo Huang
- Department of Crop and Soil Sciences, University of Georgia, Griffin, GA 30223, USA
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de Paiva TMN, Fraga TJM, Sales DCS, Carvalho MN, da Motta Sobrinho MA. Anomalocardia brasiliana shellfish shells as a novel and ecofriendly adsorbent of Nylosan Brilliant Blue acid dye. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2018; 78:1576-1586. [PMID: 30427798 DOI: 10.2166/wst.2018.434] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Malacoculture waste (Anomalocardia brasiliana) shellfish shells (ABSS) were evaluated as adsorbents of Nylosan Brilliant Blue (NBB) acid dye. The ABSS were thermally activated at 1,000 °C for 10 h and then characterized by Fourier-transform infrared spectroscopy, analysis of specific surface area (BET), X-ray diffraction (XRD), and scanning electron microscopy. Point of zero charge (PZC) analysis of ABSS verified pHPZC 13.0. The study of kinetics showed that the pseudo-second-order model fit the experimental data best and the system reached equilibrium within 5 min. Adsorption isotherms followed the Langmuir-Freundlich isotherm and ABSS reached an outstanding maximum adsorption capacity of 405 mg·g-1 under the following optimum conditions: pH 12.4, 303 K, 450 rpm, 2.0 g of adsorbent, and 150 μm average particle size. These conditions were obtained after a previous statistical analysis of the variables. Enthalpy and Gibbs energy obtained in the thermodynamics experiments were -23.79 kJ·mol-1 and -4.07 kJ·mol-1, respectively. These parameters confirm that the process is exothermic, spontaneous, and indicative of the physical nature of the adsorption. The adsorption of NBB onto ABSS tended to be more favorable at a lower temperature. Low value of enthalpy suggested that weak binding forces, such as electrostatic interactions, govern the sorption mechanism. ABSS high availability in the environment, its low toxicity and high efficiency make it a promising ecofriendly adsorbent of textile dyes.
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Affiliation(s)
- Tarsila Maíra Nogueira de Paiva
- Department of Chemical Engineering, Federal University of Pernambuco, 1235 Prof. Moraes Rego Avenue, Cidade Universitária, Recife, 50670-901, PE, Brazil E-mail:
| | - Tiago José Marques Fraga
- Department of Chemical Engineering, Federal University of Pernambuco, 1235 Prof. Moraes Rego Avenue, Cidade Universitária, Recife, 50670-901, PE, Brazil E-mail:
| | - Davyson Cesar S Sales
- Department of Chemical Engineering, Federal University of Pernambuco, 1235 Prof. Moraes Rego Avenue, Cidade Universitária, Recife, 50670-901, PE, Brazil E-mail:
| | - Marilda Nascimento Carvalho
- Department of Chemical Engineering, Federal University of Pernambuco, 1235 Prof. Moraes Rego Avenue, Cidade Universitária, Recife, 50670-901, PE, Brazil E-mail:
| | - Maurício Alves da Motta Sobrinho
- Department of Chemical Engineering, Federal University of Pernambuco, 1235 Prof. Moraes Rego Avenue, Cidade Universitária, Recife, 50670-901, PE, Brazil E-mail:
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Using Natural Biomacromolecules for Adsorptive and Enzymatic Removal of Aniline Blue from Water. Molecules 2018; 23:molecules23071606. [PMID: 30004438 PMCID: PMC6100329 DOI: 10.3390/molecules23071606] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 06/24/2018] [Accepted: 06/25/2018] [Indexed: 11/16/2022] Open
Abstract
The present study investigated the adsorptive and enzymatic removal of aniline blue dye (AB) from aqueous solution using waxy riceprocessing waste (RW), peanut shell (PS), microbial waste of Aspergillus niger (MW) as low cost adsorbents, and laccase (Lac) as a biocatalyst. Commercial activated carbon (AC) was also employed to compare the adsorption performance with the three adsorbents. Dye removal was examined under various parameters in batch experiments. It was found that dye removal by RW and Lac was 89–94% noticeably better than that by MW and PS (20–70%). In any cases, AC produced the highest dye removal among the tested materials. The kinetics, isotherms, and thermodynamics were then analyzed to elucidate the adsorption process by the four adsorbents. The pseudo-second order kinetic was superior to the pseudo first order kinetic model in describing adsorption for all adsorbents. The Langmuir model fitted the adsorption process very well, indicating monolayer coverage of dyes on a solid surface. A thermodynamic analysis of enthalpy (ΔH°), entropy (ΔS°), and Gibbs free energy (ΔG°) classified the adsorption as a nonspontaneous and endothermic process. The results reveal diverse natural materials (e.g., processing waste RW) as novel substitutes for traditional activated carbon, as well as laccase as a green catalyst for the treatment of dye wastewater.
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Srisuwun A, Tantiwa N, Kuntiya A, Kawee-ai A, Manassa A, Techapun C, Seesuriyachan P. Decolorization of Reactive Red 159 by a consortium of photosynthetic bacteria using an anaerobic sequencing batch reactor (AnSBR). Prep Biochem Biotechnol 2018; 48:303-311. [DOI: 10.1080/10826068.2018.1431782] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Aungkana Srisuwun
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
| | - Nidtaya Tantiwa
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
| | - Ampin Kuntiya
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
| | | | - Apisit Manassa
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
| | - Charin Techapun
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
| | - Phisit Seesuriyachan
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
- Advanced Manufacturing Technology Research Center, Department of Industrial Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand
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