1
|
Jayanayak GM, Ganalu R, Shashikanth, Ukkund SJ, Ahmed S, AlSubih M, Islam S. Studies on the Removal of Malachite Green from Its Aqueous Solution Using Water-Insoluble β-Cyclodextrin Polymers. ACS OMEGA 2024; 9:10132-10145. [PMID: 38463288 PMCID: PMC10918832 DOI: 10.1021/acsomega.3c06504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 02/02/2024] [Accepted: 02/08/2024] [Indexed: 03/12/2024]
Abstract
The rising global pollution of natural waters by dyes has brought to light the need for adaptable and efficient removal techniques. To create water-insoluble β-cyclodextrin (β-CD) polymers like CA/-CD, TA/-CD, and MA/-CD, several organic acids including citric acid (CA), tartaric acid (TA), and malic acid (MA) were cross-linked with β-cyclodextrin in this study. The obtained polymers were characterized by different advanced analytical techniques such as FTIR, SEM, and UV-vis spectrophotometry. Malachite green dye was removed from aqueous solutions using the synthesized polymers by adsorption. The adsorption investigation was conducted under several conditions, including pH, adsorbent mass, dye concentration, temperature, contact time, adsorption isotherm, and kinetics. The adsorbent CA/β-CD shows the highest adsorption of MG dye in all of the conditions because it contains a high number of carboxyl groups. The negatively charged carboxyl ions of CA/β-CD attract the positively charged MG dye electrostatically and remove MG from aqueous media with an efficiency of 91%. As a result, the findings indicated that water-insoluble polymers based on β-cyclodextrin are well-suited as inexpensive adsorbents to remove colors from aqueous media.
Collapse
Affiliation(s)
| | - Rajesha Ganalu
- Department of Studies in Chemistry, Bharathi College - Post Graduate and Research Centre, Bharathi Nagara 571422, Karnataka, India
| | - Shashikanth
- Department of Studies in Chemistry, Manasagangothri, University of Mysore, Mysuru 570006, India
| | - Shareefraza J Ukkund
- Department of Biotechnology, P. A. College of Engineering, Mangalore 574153, India
| | - Shamsuddin Ahmed
- Department of Mechanical and Chemical Engineering, Islamic University of Technology, Dhaka 1704, Bangladesh
| | - Majed AlSubih
- Civil Engineering Department, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
| | - Saiful Islam
- Civil Engineering Department, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
| |
Collapse
|
2
|
Zhang H, Su L, Cheng C, Cheng H, Chang M, Liu F, Liu N, Oh K. A new type of calcium-rich biochars derived from spent mushroom substrates and their efficient adsorption properties for cationic dyes. Front Bioeng Biotechnol 2022; 10:1007630. [PMID: 36204471 PMCID: PMC9530940 DOI: 10.3389/fbioe.2022.1007630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 09/02/2022] [Indexed: 12/07/2022] Open
Abstract
Adsorption is commonly accepted as a most promising strategy in dye wastewater treatment, and the widespread use of adsorption emphasizes the need to explore low-cost but excellent adsorbents. Herein, a low-cost adsorbent (calcium-rich biochar) was developed, which was directly pyrolyzed from spent mushroom substate without any modification. This study evaluated the potential application of two calcium-rich biochars (GSBC and LSBC) derived from spent substrates of Ganoderma lucidum and Lentinus edodes, respectively. The effects of pyrolysis temperature on the calcium-rich biochars characteristics and their adsorption mechanism for cationic dyes (Malachite Green oxalate (MG) and Safranine T (ST)) were studied systematically. The increase in pyrolysis temperature from 350 to 750 °C led to an increase in both biochar ash, Ca content, and specific surface area, which made high-temperature biochars (GS750 and LS750) the superior adsorbents for cationic dyes. Batch adsorption results showed LS750 was more efficient to adsorb dyes than GS750 attributed to its higher Ca content and larger specific surface area. According to the Langmuir model, LS750 had high adsorption capacities of 9,388.04 and 3,871.48 mg g−1 for Malachite green and ST, respectively. The adsorption mechanism of dye MG could be attributed to pore filling, hydrogen bonding, electrostatic interaction, ion exchange, and π-π stacking, while ST adsorption mainly involved pore filling, electrostatic interaction, ion exchange, and π-π stacking. Attributed to their excellent adsorption performance, cheap source, and good reusability, biochars obtained from SMSs were very promising in dyeing wastewater treatment.
Collapse
Affiliation(s)
- Haibo Zhang
- College of Resources and Environment, Shanxi Agricultural University, Taigu, China
- State Key Laboratory of Sustainable Dryland Agriculture (in preparation), Shanxi Agricultural University, Shanxi, Taiyuan, China
- Shanxi Key Laboratory of Edible Fungi for Loess Plateau, Taigu, China
| | - Long Su
- College of Resources and Environment, Shanxi Agricultural University, Taigu, China
| | - Caiping Cheng
- College of Basic Science, Shanxi Agricultural University, Taigu, China
| | - Hongyan Cheng
- College of Resources and Environment, Shanxi Agricultural University, Taigu, China
- *Correspondence: Hongyan Cheng, ; Mingchang Chang,
| | - Mingchang Chang
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu, China
- Collaborative Innovation Center of Advancing Quality and Efficiency of Loess Plateau Edible Fungi, Taigu, China
- *Correspondence: Hongyan Cheng, ; Mingchang Chang,
| | - Fenwu Liu
- College of Resources and Environment, Shanxi Agricultural University, Taigu, China
- State Key Laboratory of Sustainable Dryland Agriculture (in preparation), Shanxi Agricultural University, Shanxi, Taiyuan, China
| | - Na Liu
- College of Resources and Environment, Shanxi Agricultural University, Taigu, China
| | - Kokyo Oh
- Center for Environmental Science in Saitama, Kazo, Japan
| |
Collapse
|
3
|
Mohd Faizal AN, Putra NR, Ahmad Zaini MA. Scylla Sp. Shell: a potential green adsorbent for wastewater treatment. TOXIN REV 2022. [DOI: 10.1080/15569543.2022.2039201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Azrul Nurfaiz Mohd Faizal
- Centre of Lipids Engineering and Applied Research (CLEAR), Ibnu – Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, Johor Bahru, Malaysia
| | - Nicky Rahmana Putra
- School of Chemical & Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia
| | - Muhammad Abbas Ahmad Zaini
- Centre of Lipids Engineering and Applied Research (CLEAR), Ibnu – Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, Johor Bahru, Malaysia
| |
Collapse
|
4
|
Sterenzon E, Vadivel VK, Gerchman Y, Luxbacher T, Narayanan R, Mamane H. Effective Removal of Acid Dye in Synthetic and Silk Dyeing Effluent: Isotherm and Kinetic Studies. ACS OMEGA 2022; 7:118-128. [PMID: 35036683 PMCID: PMC8757339 DOI: 10.1021/acsomega.1c04111] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 12/01/2021] [Indexed: 06/14/2023]
Abstract
Here, we propose a low-cost, sustainable, and viable adsorbent (pine tree-derived biochar) to remove acid dyes such as acid violet 17 (AV), which is used in the silk dyeing industry. As a case study, the AV removal process was demonstrated using synthetic effluent and further as a proof of concept using real dye effluent produced from the Sirumugai textile unit in India. The pine tree-derived biochar was selected for removal of aqueous AV dye in batch and fixed-bed column studies. The adsorbent material was characterized for crystallinity (XRD), surface area (BET), surface morphology and elemental compositions (SEM-EDX), thermal stability (TGA), weight loss (DGA), and functional groups (FTIR). Batch sorption studies were performed to evaluate (i) adsorption at various pH values (at pH 2 to 7), (ii) isotherms (at 10, 25, and 35 °C) to assess the temperature effect on the sorption efficiency, and (iii) kinetics to reveal the effect of time, adsorbent dose, and initial concentration on the reaction rate. After systematic evaluation, 2 g/L biochar, 25 mg/L AV, pH 3, 40 °C, and 40 and 360 min in a completely mixed batch study resulted in 50 and 90% dye removal, respectively. The isoelectric point at pH 3.7 ± 0.2 results in maximum dye removal, therefore suggesting that monitoring the ratio of different effluent (acid/wash/dye) can improve the colorant removal efficiency. The Langmuir isotherm best fits with the sorption of AV to biochar, provided a maximal dye uptake of 29 mg/g at 40 °C, showing that adsorption was endothermic. Fixed-bed studies were conducted at room temperature with an initial dye concentration of 25 and 50 mg/L. The glass columns were packed with biochar (bed depth 20 cm, pore volume = 14 mL) at an initial pH of 5.0 and a 10 mL/min flow rate for 120 min. Finally, the regeneration of the adsorbent was achieved using desorption studies conducted under the proposed experimental conditions resulted in 90-93% removal of AV even after five cycles of regeneration.
Collapse
Affiliation(s)
- Elizaveta Sterenzon
- School
of Mechanical Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel
| | - Vinod Kumar Vadivel
- School
of Mechanical Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel
| | - Yoram Gerchman
- Department
of Biology and Environment, Faculty of Natural Science, University of Haifa and Oranim College, Tivon 3600600, Israel
| | - Thomas Luxbacher
- Anton
Paar GmbH, Anton Paar Str. 20, 8054 Graz, Austria
- Faculty
of Chemistry and Chemical Engineering, University
of Maribor, 2000 Maribor, Slovenia
| | - Ramsundram Narayanan
- Department
of Civil Engineering, Kumaraguru College
of Technology, Coimbatore, Tamil Nadu 641049, India
| | - Hadas Mamane
- School
of Mechanical Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel
| |
Collapse
|
5
|
Medical Waste Treatment Technologies for Energy, Fuels, and Materials Production: A Review. ENERGIES 2021. [DOI: 10.3390/en14238065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The importance of medical waste management has grown during the COVID-19 pandemic because of the increase in medical waste quantity and the significant dangers of these highly infected wastes for human health and the environment. This innovative review focuses on the possibility of materials, gas/liquid/solid fuels, thermal energy, and electric power production from medical waste fractions. Appropriate and promising treatment/disposal technologies, such as (i) acid hydrolysis, (ii) acid/enzymatic hydrolysis, (iii) anaerobic digestion, (vi) autoclaving, (v) enzymatic oxidation, (vi) hydrothermal carbonization/treatment, (vii) incineration/steam heat recovery system, (viii) pyrolysis/Rankine cycle, (ix) rotary kiln treatment, (x) microwave/steam sterilization, (xi) plasma gasification/melting, (xii) sulfonation, (xiii) batch reactor thermal cracking, and (xiv) torrefaction, were investigated. The medical waste generation data were collected according to numerous researchers from various countries, and divided into gross medical waste and hazardous medical waste. Moreover, the medical wastes were separated into categories and types according to the international literature and the medical waste fractions’ percentages were estimated. The capability of the examined medical waste treatment technologies to produce energy, fuels, and materials, and eliminate the medical waste management problem, was very promising with regard to the near future.
Collapse
|
6
|
Patel H. Review on solvent desorption study from exhausted adsorbent. JOURNAL OF SAUDI CHEMICAL SOCIETY 2021. [DOI: 10.1016/j.jscs.2021.101302] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
|
7
|
Yin G, Sun Z, Gao Y, Xu S. Preparation of expanded graphite for malachite green dye removal from aqueous solution. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106190] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
|
8
|
Najaflou S, Rad MF, Baghdadi M, Nabi Bidhendi GR. Removal of Pb(II) from contaminated waters using cellulose sulfate/chitosan aerogel: Equilibrium, kinetics, and thermodynamic studies. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 286:112167. [PMID: 33676135 DOI: 10.1016/j.jenvman.2021.112167] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 01/28/2021] [Accepted: 02/08/2021] [Indexed: 06/12/2023]
Abstract
In this study, the cellulose sulfate/chitosan aerogel (CCA) was prepared by chitosan and sulfonated cotton, and its efficiency was assessed for lead removal from contaminated waters. The adsorbent was determined by FESEM, EDS, FTIR, and BET analysis. The batch experiments were designed by Design-Expert software. At an initial lead concentration of 300 mg L-1, the contact time of 40 min, and the temperature of 26 °C, the maximum adsorption capacity and the removal efficiency were 137.8 mg g-1 and 91.9%, respectively. Also, the effect of ions including cations and anions at 100 mg L-1 was investigated, and it was found that the presence of anions does not have much effect on adsorption, but among cations, calcium and magnesium have the inhibitor effect on adsorption due to their double plosive. Adsorption isotherms were studied at different temperatures, and the kinetics of the reaction were investigated at different concentrations. Thermodynamic parameters indicated that the adsorption process was spontaneous, endothermic, and increasing irregularity at the adsorbent level. Adsorption recovery was performed five times adsorption and de-adsorption by hydrochloric acid 1 M washing and only 10% of adsorption capacity was decreased.
Collapse
Affiliation(s)
- Sajjad Najaflou
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| | - Mahsa Forouzesh Rad
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| | - Majid Baghdadi
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| | | |
Collapse
|
9
|
Jokar M, Naeimi H, Nabi Bidhendi G. Preparation and characterization of cellulose sulfate/Pd nanocatalsysts with remarkable efficiency for Suzuki–Miyaura reaction. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6266] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Mitra Jokar
- Department of Organic Chemistry, Faculty of Chemistry University of Kashan Kashan Iran
| | - Hossein Naeimi
- Department of Organic Chemistry, Faculty of Chemistry University of Kashan Kashan Iran
| | | |
Collapse
|
10
|
Benjelloun M, Miyah Y, Akdemir Evrendilek G, Zerrouq F, Lairini S. Recent Advances in Adsorption Kinetic Models: Their Application to Dye Types. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103031] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
|
11
|
Hosseinkhani A, Forouzesh Rad B, Baghdadi M. Efficient removal of hexavalent chromium from electroplating wastewater using polypyrrole coated on cellulose sulfate fibers. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 274:111153. [PMID: 32784081 DOI: 10.1016/j.jenvman.2020.111153] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 07/09/2020] [Accepted: 07/29/2020] [Indexed: 06/11/2023]
Abstract
In this study, cellulose sulfate was synthesized through sulfonation of cotton, and polypyrrole was coated on the surface of fibers. Then, the optimum ratio of pyrrole to cellulose sulfate was evaluated, and the physical, chemical, and morphological properties of the composite were assessed by using FESEM, EDS, FTIR, BET, and TGA analysis. Furthermore, adsorption of hexavalent chromium using the composite adsorbent was studied by the results of designed experiments with the Box-Behnken technique to assess the effect of pH, contact time, adsorbent dose and the initial concentration of hexavalent chromium and optimize the adsorption process. The removal percentage was 99.9% under the optimum conditions (adsorbent dose, 4 g L-1; initial concentration of Cr(VI), 200 mg L-1; pH value, 2; contact time, 200 min). The results of adsorption isotherms illustrated that the adsorption process followed Redlich-Peterson, Freundlich, Radke-Prausnitz, and UT models, and the calculated maximum adsorption capacity by the Langmuir model was 198 mg g-1. Based on the kinetic and thermodynamic studies, the adsorption process followed the intraparticle diffusion model and showed the endothermic and spontaneous adsorption with an increase in entropy on the adsorbent surface. The presence of copper, nickel and zinc cations had no adverse effect on the removal percentage of hexavalent chromium significantly. The adsorbent was reused successfully in four sequential treatments. Consequently, the synthesized adsorbent is efficient due to the high efficiency of hexavalent chromium removal percentage from electroplating effluent (99.87%).
Collapse
Affiliation(s)
- Alireza Hosseinkhani
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| | - Bahar Forouzesh Rad
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| | - Majid Baghdadi
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| |
Collapse
|
12
|
Adeyi AA, Jamil SNAM, Abdullah LC, Choong TSY, Lau KL, Alias NH. Simultaneous Adsorption of Malachite Green and Methylene Blue Dyes in a Fixed-Bed Column Using Poly(Acrylonitrile-Co-Acrylic Acid) Modified with Thiourea. Molecules 2020; 25:E2650. [PMID: 32517324 PMCID: PMC7321146 DOI: 10.3390/molecules25112650] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/05/2020] [Accepted: 05/10/2020] [Indexed: 11/16/2022] Open
Abstract
Proper remediation of aquatic environments contaminated by toxic organic dyes has become a research focus globally for environmental and chemical engineers. This study evaluates the adsorption potential of a polymer-based adsorbent, thiourea-modified poly(acrylonitrile-co-acrylic acid) (T-PAA) adsorbent, for the simultaneous uptake of malachite green (MG) and methylene blue (MB) dye ions from binary system in a continuous flow adsorption column. The influence of inlet dye concentrations, pH, flow rate, and adsorbent bed depth on adsorption process were investigated, and the breakthrough curves obtained experimentally. Results revealed that the sorption capacity of the T-PAA for MG and MB increase at high pH, concentration and bed-depth. Thomas, Bohart-Adams, and Yoon-Nelson models constants were calculated to describe MG and MB adsorption. It was found that the three dynamic models perfectly simulate the adsorption rate and behavior of cationic dyes entrapment. Finally, T-PAA adsorbent demonstrated good cyclic stability. It can be regenerated seven times (or cycles) with no significant loss in adsorption potential. Overall, the excellent sorption capacity and multiple usage make T-PAA polymer an attractive adsorbent materials for treatment of multicomponent dye bearing effluent in a fixed-bed column system.
Collapse
Affiliation(s)
- Abel Adekanmi Adeyi
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang 43400, Malaysia; (A.A.A.); (L.C.A.); (T.S.Y.C.); (K.L.L.); (N.H.A.)
- Department of Chemical and Petroleum Engineering, College of Engineering, Afe Babalola University Ado-Ekiti, ABUAD, KM. 8.5, Afe Babalola Way, Ado-Ekiti PMB 5454, Nigeria
| | - Siti Nurul Ain Md Jamil
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, UPM Serdang 43400, Malaysia
- Centre of Foundation Studies for Agricultural Science, Universiti Putra Malaysia, UPM Serdang 43400, Malaysia
| | - Luqman Chuah Abdullah
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang 43400, Malaysia; (A.A.A.); (L.C.A.); (T.S.Y.C.); (K.L.L.); (N.H.A.)
- Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, UPM Serdang 43400, Malaysia
| | - Thomas Shean Yaw Choong
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang 43400, Malaysia; (A.A.A.); (L.C.A.); (T.S.Y.C.); (K.L.L.); (N.H.A.)
- Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, UPM Serdang 43400, Malaysia
| | - Kia Li Lau
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang 43400, Malaysia; (A.A.A.); (L.C.A.); (T.S.Y.C.); (K.L.L.); (N.H.A.)
| | - Nor Halaliza Alias
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang 43400, Malaysia; (A.A.A.); (L.C.A.); (T.S.Y.C.); (K.L.L.); (N.H.A.)
- Faculty of Chemical Engineering, Universiti Teknologi MARA, Shah Alam 40450, Selangor, Malaysia
| |
Collapse
|
13
|
Chauhan AK, Kataria N, Garg VK. Green fabrication of ZnO nanoparticles using Eucalyptus spp. leaves extract and their application in wastewater remediation. CHEMOSPHERE 2020; 247:125803. [PMID: 31972482 DOI: 10.1016/j.chemosphere.2019.125803] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 12/26/2019] [Accepted: 12/30/2019] [Indexed: 05/24/2023]
Abstract
The present study explored removal of carcinogenic cationic and anionic dyes from aqueous medium using green fabricated zinc oxide nanoparticles (ZnO-NPs). The ZnO-NPs were synthesized employing biogenic green reduction and precipitation approach. The characterization of ZnO NPs was done using various techniques such as FESEM, XRD, BET, TGA, HRTEM, EDX, and FTIR. All experiments were conducted in batch mode. Maximum removal was achieved at pH 6.0 and pH 8.0 for Congo Red (CR) and Malachite Green (MG) dyes respectively. Dye adsorption process showed better fit with Langmuir and Temkin isotherm models for CR dye and MG dye respectively. Maximum adsorption capacity of ZnO NPs was 48.3 mg/g for CR dye and 169.5 mg/g for MG dye. The dye adsorption followed pseudo-second order model and values of thermodynamic parameters confirmed that the adsorption process was spontaneous and favourable. Reusability efficiency of the nanoparticle was explored using ethanol and water and based on results it was inferred that ZnO-NPs can be reused for dye removal. Effect of salinity on the removal of CR and MG dyes was also explored and found that presence of salinity in aqueous medium have adverse impact on the dye removal efficiency of ZnO-NPs.
Collapse
Affiliation(s)
- Amit Kumar Chauhan
- Department of Environmental Sciences and Technology, Central University of Punjab, Bathinda, 151001, Punjab, India
| | - Navish Kataria
- Department of Environmental Sciences and Technology, Central University of Punjab, Bathinda, 151001, Punjab, India
| | - V K Garg
- Department of Environmental Sciences and Technology, Central University of Punjab, Bathinda, 151001, Punjab, India; Department of Environmental Science and Engineering, Guru Jambheshwar University of Science and Technology, Hisar, 125001, Haryana, India.
| |
Collapse
|
14
|
Georgin J, Franco D, Drumm FC, Grassi P, Netto MS, Allasia D, Dotto GL. Powdered biosorbent from the mandacaru cactus (cereus jamacaru) for discontinuous and continuous removal of Basic Fuchsin from aqueous solutions. POWDER TECHNOL 2020. [DOI: 10.1016/j.powtec.2020.01.064] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
15
|
Kale RD, Gorade VG. Potential application of medical cotton waste for self-reinforced composite. Int J Biol Macromol 2019; 124:25-33. [DOI: 10.1016/j.ijbiomac.2018.11.196] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 11/15/2018] [Accepted: 11/20/2018] [Indexed: 11/16/2022]
|
16
|
Modification of Immobilized Titanium Dioxide Nanostructures by Argon Plasma for Photocatalytic Removal of Organic Dyes. Molecules 2019; 24:molecules24030383. [PMID: 30678191 PMCID: PMC6385114 DOI: 10.3390/molecules24030383] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 01/17/2019] [Accepted: 01/20/2019] [Indexed: 12/12/2022] Open
Abstract
The aim of this study was to modify surface properties of immobilized rutile TiO2 using Argon cold plasma treatment and to evaluate the performance of the catalyst in photocatalytic elimination of synthetic dyes in UV/TiO2/H2O2 process. The surface-modified TiO2 was characterized by XRD, EDX, SEM, UV-DRS and XPS analyses. Response surface methodology was adopted to achieve high catalyst efficiency by evaluating the effect of two main independent cold plasma treatment parameters (exposure time and pressure) on surface modification of the catalyst. The increase of the plasma operation pressure led to higher decolorization percentage, while the increase of plasma exposure time decreased the decolorization efficiency. RSM methodology predicted optimum plasma treatment conditions to be 0.78 Torr and 21 min of exposure time, which resulted in decolorization of 10 mg/L solution of the malachite green solution by 94.94% in 30 min. The plasma treatment decreased the oxygen to titanium ratio and caused oxygen vacancy on the surface of the catalyst, resulting in the superior performance of the plasma-treated catalyst. Pseudo first-order kinetic rate constant for the plasma-treated catalyst was 4.28 and 2.03 times higher than the rate constant for the non-treated photocatalyst in decolorization of aqueous solutions of malachite green and crystal violet, respectively.
Collapse
|
17
|
Khasri A, Ahmad MA. Adsorption of basic and reactive dyes from aqueous solution onto Intsia bijuga sawdust-based activated carbon: batch and column study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:31508-31519. [PMID: 30203351 DOI: 10.1007/s11356-018-3046-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 08/23/2018] [Indexed: 06/08/2023]
Abstract
The adsorption behavior of basic, methylene blue (MB), and reactive, remazol brilliant violet 5R (RBV), dyes from aqueous solution onto Intsia bijuga sawdust-based activated carbon (IBSAC) was executed via batch and column studies. The produced activated carbon was characterized through Brunauer-Emmett-Teller (BET) surface area and pore structural analysis, proximate and ultimate, scanning electron microscopy (SEM), and Fourier transform infrared spectroscopy (FTIR). Batch studies were performed to investigate the effects of contact time, initial concentration, and solution pH. The equilibrium data for both MB and RBV adsorption better fits Langmuir model with maximum adsorption capacity of 434.78 and 212.77 mg/g, respectively. Kinetic studies for both MB and RBV dyes showed that the adsorption process followed a pseudo-second-order and intraparticle diffusion kinetic models. For column mode, the breakthrough curves were plotted by varying the flow rate, bed height, and initial concentration and the breakthrough data were best correlated with the Yoon-Nelson model compared to Thomas and Adams-Bohart model. The adsorption activity of IBSAC shows good stability even after four consecutive cycles.
Collapse
Affiliation(s)
- Azduwin Khasri
- Department of Chemical Engineering Technology, Faculty of Engineering Technology, Kampus Unicity Sungai Chuchuh, Universiti Malaysia Perlis, 02100, Padang Besar, Perlis, Malaysia
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Pulau Pinang, Malaysia
| | - Mohd Azmier Ahmad
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Pulau Pinang, Malaysia.
| |
Collapse
|
18
|
Dai L, Zhu W, He L, Tan F, Zhu N, Zhou Q, He M, Hu G. Calcium-rich biochar from crab shell: An unexpected super adsorbent for dye removal. BIORESOURCE TECHNOLOGY 2018; 267:510-516. [PMID: 30048926 DOI: 10.1016/j.biortech.2018.07.090] [Citation(s) in RCA: 102] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/16/2018] [Accepted: 07/18/2018] [Indexed: 05/12/2023]
Abstract
Adsorption is the common-used method to remove dyes from wastewater, and many efforts have been made to develop low-cost but excellent adsorbents. Here, calcium-rich biochar (CRB) as a low-cost adsorbent was directly prepared from crab shell via a simple pyrolysis process without any modification. Batch adsorption results suggested that CRB was among the dye adsorbents with highest adsorption capacities and fastest adsorption rate. Specifically, it showed high adsorption capacities of 12,502 and 20,317 mg/g for cationic malachite green and anionic Congo red, respectively. The adsorption equilibrium for Congo red onto CRB could be achieved as short as 2 min. Furthermore, the dye adsorption mechanism for CRB, as investigated by zeta potential and FTIR spectra, could be attributed to electrostatic attraction, hydrogen bonding and π-π interaction. Finally, this study suggested that, attributed to its cheap source, simple synthesis process and excellent adsorption performance, CRB was promising in dye removal.
Collapse
Affiliation(s)
- Lichun Dai
- Biogas Institute of Ministry of Agriculture, Chengdu 610041, China; Key Laboratory of Development and Application of Rural Renewable Energy, Chengdu 610041, China.
| | - Wenkun Zhu
- Sichuan Co-Innovation Center for New Energetic Materials, Southwest University of Science and Technology, Mianyang 621010, China
| | - Li He
- Biogas Institute of Ministry of Agriculture, Chengdu 610041, China; Key Laboratory of Development and Application of Rural Renewable Energy, Chengdu 610041, China
| | - Furong Tan
- Biogas Institute of Ministry of Agriculture, Chengdu 610041, China; Key Laboratory of Development and Application of Rural Renewable Energy, Chengdu 610041, China
| | - Nengmin Zhu
- Biogas Institute of Ministry of Agriculture, Chengdu 610041, China; Key Laboratory of Development and Application of Rural Renewable Energy, Chengdu 610041, China
| | - Qin Zhou
- Key Laboratory of Environmental Nano-Technology and Health Effect, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Mingxiong He
- Biogas Institute of Ministry of Agriculture, Chengdu 610041, China; Key Laboratory of Development and Application of Rural Renewable Energy, Chengdu 610041, China
| | - Guoquan Hu
- Biogas Institute of Ministry of Agriculture, Chengdu 610041, China; Key Laboratory of Development and Application of Rural Renewable Energy, Chengdu 610041, China
| |
Collapse
|
19
|
Senthil Kumar P, Varjani SJ, Suganya S. Treatment of dye wastewater using an ultrasonic aided nanoparticle stacked activated carbon: Kinetic and isotherm modelling. BIORESOURCE TECHNOLOGY 2018; 250:716-722. [PMID: 29223092 DOI: 10.1016/j.biortech.2017.11.097] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 11/28/2017] [Accepted: 11/29/2017] [Indexed: 05/05/2023]
Abstract
The present work explains the biosorption of malachite green dye from aquatic systems by nano zero valent iron stacked activated carbon (NZVI-AC), which was prepared by dual surface modification strategy. NZVI-AC was characterized by using FTIR, SEM-EDX, XRD and TGA. NZVI-AC exhibited efficient performance in dye biosorption properties. Experimental variables such as time, pH, dye concentration, temperature and biosorbent dosage influenced Langmuir adsorption capacity of 187.3 mg/g. The present biosorption system was best described by pseudo-first order kinetics. The dye was completely knocked out of the solution within 60 min at equilibrium. The thermodynamic behaviour of NZVI-AC was exothermic, feasible and spontaneous. Experimental data was engaged to validate new solid-liquid phase equilibrium model, showing the average absolute relative deviation 7.72%. Hence the procedure was non-toxic, potential to retain biosorbent from the solution, applicable for multiple cycles. In context, NZVI-AC can be recommended for the treatment of dyes from industrial effluent.
Collapse
Affiliation(s)
| | - Sunita J Varjani
- Gujarat Pollution Control Board, Sector-10A, Gandhinagar 382010, Gujarat, India
| | - Subburaj Suganya
- Department of Chemical Engineering, SSN College of Engineering, Chennai 603110, India
| |
Collapse
|