1
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Lignocellulosic materials as adsorbents in solid phase extraction for trace elements preconcentration. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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2
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Adsorption of toxic metals from greywater using low-cost spent green tea as a novel adsorbent. SCIENTIFIC AFRICAN 2022. [DOI: 10.1016/j.sciaf.2022.e01296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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3
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Comparison and Optimization of Operational Parameters in Removal of Heavy Metal Ions from Aqueous Solutions by Low-Cost Adsorbents. INTERNATIONAL JOURNAL OF CHEMICAL ENGINEERING 2022. [DOI: 10.1155/2022/3282448] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Removal of heavy metal ions such as cadmium, lead, chromium, and iron from industrial wastewater is one of the most critical environmental problems. In this research, natural and low-cost adsorbents like the tangerine peel, bovine gut, tea waste, and sunflower seed hull were used for adsorption of heavy metals, such as chromium and iron, from contaminated solutions. The effects of environmental factors such as contact time, pH, the amount of adsorbent dose, and the initial concentration of metal ions in synthetic solution were investigated to obtain optimal conditions for the adsorption of heavy metal ions. For separation of chromium metal ion from aqueous solution, tea waste, tangerine peel, bovine gut, and sunflower seeds hull showed adsorption capacity of 85%, 51%, 46%, and 34%, respectively, while for the adsorption of iron (III), the adsorption capacities of tea waste, bovine gut, tangerine peel, and sunflower seeds hull were 96%, 96%, and 87%, respectively. The adsorption isotherms were in decent correlation with the Langmuir and Freundlich isotherm models. The adsorption kinetics of iron and chromium has a proper validation with the pseudo-second-order kinetic model. The BET and FTIR analyses were also reported to investigate the adsorption properties. This study suggests these adsorbents as low-cost and economical materials for the adsorption of chromium and iron ions with a high adsorption rate.
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Oladoye PO. Natural, low-cost adsorbents for toxic Pb(II) ion sequestration from (waste)water: A state-of-the-art review. CHEMOSPHERE 2022; 287:132130. [PMID: 34517237 DOI: 10.1016/j.chemosphere.2021.132130] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/28/2021] [Accepted: 08/31/2021] [Indexed: 06/13/2023]
Abstract
Pb(II) ions is an inorganic pollutant that is present in the environment. Its presence affects both human health and ecosystem. Economically, amongst many wastewater treatment approaches, adsorption is both cheap and environmentally friendly for removing Pb(II) ion from contaminated water. In this state of the art review, about 227 research and review based publications on adsorption-based studies between 1989 and 2021, which have used various materials as adsorbents of Pb (II) ions, were selected and reviewed for more evaluation. A number of adsorbents which have been reported in these literatures for the adsorption of Pb(II) ion are agrobased, modified agrobased, clay minerals, modified/nanocomposite clay minerals, silica-based, zeolite-based and chitosan-based adsorbents, respectively. The adsorption potential of the adsorbents is exhibited under optimum experimental conditions. The unmodified and modified agro based adsorbents were shown to exhibit the greatest Pb(II) adsorption capacity, with great potential for further exploration, compared to the others afore-listed. The effects of operating parameters such as pH, initial metal ion concentration, adsorbent dose and reaction time are discussed. Furthermore, in order to comprehend the nature of adsorption process between the adsorbent and contaminant (Pb(II)), thermodynamic analyses of adsorption systems are intensively described. All these discussions revealed the applicability of adsorption process for toxic Pb(II) ions removal with respect to wastewater treatment techniques. The review concludes by commenting on the various adsorbents' adsorption capacity and proposes some studies that should also be considered in future works.
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Affiliation(s)
- Peter Olusakin Oladoye
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW 8th St, Miami, FL, 33199, USA; Analytical/Environmental Chemistry Unit, Department of Pure and Applied Chemistry, Ladoke Akintola University of Technology, P.M.B, 4000, Ogbomoso, Nigeria.
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5
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Basnet P, Gyawali D, Nath Ghimire K, Paudyal H. An assessment of the lignocellulose-based biosorbents in removing Cr(VI) from contaminated water: A critical review. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100406] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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6
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A non-lethal method to assess element content in the endangered Pinna nobilis. Sci Rep 2021; 11:19244. [PMID: 34584132 PMCID: PMC8478926 DOI: 10.1038/s41598-021-98535-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 09/06/2021] [Indexed: 02/08/2023] Open
Abstract
The fan shell Pinna nobilis is the largest bivalve endemic to the Mediterranean and is actually a strongly endangered species. Due to the biological, ecological, and historical relevance of this species, the research of a non-lethal method to relate the element content in organism's tissues and environment can provide information potentially useful to evaluate environmental pollution and organism physiological status. In this study, a screening on element concentration in the animal growing environment (seawater and sediments) and in four soft tissues (hepatopancreas, gills, mantle, and muscle), and two acellular tissues (calcite shell layer, and byssus) was performed. The comparison among these results was used to assess whether the no-lethal acellular tissue element concentration can be used to reveal the element presence in the environment and soft tissues. Elements, such as B, Ag, As, Mn, Mo, Pb, or Se, showed a possible relationship between their presence in the byssus and soft tissues. In the byssus Cr, Sb, Sn, and V have shown to be mostly related to the environment, more than the soft tissues, and might be used to draw a historical record of the exposure of the organism. The element concentration in the calcite shell layer did not relate with environmental element concentrations. Essential elements, like Cu, Fe, Ni, and Zn, were present in calcite shell layer and byssus and are likely related to their biological activity in the organism. The research also gave an overview on the presence of pollution and on the preferential intake route of the element. In summary, this study, performed on a limited number of specimens of this protected species, indicated that element concentration in the byssus can be applied as non-lethal method to monitor this endangered species and its interaction with the elements in the growing environment.
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Shorna S, Shawkat S, Hossain A, Quraishi SB, Ullah AKMA, Hosen MM, Hossain MK, Saha B, Paul B, Habibullah-Al-Mamun M. Accumulation of Trace Metals in Indigenous Fish Species from the Old Brahmaputra River in Bangladesh and Human Health Risk Implications. Biol Trace Elem Res 2021; 199:3478-3488. [PMID: 33094448 DOI: 10.1007/s12011-020-02450-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 10/18/2020] [Indexed: 10/23/2022]
Abstract
In this study, accumulation of the top six most toxic trace metals (Arsenic (As), Cadmium (Cd), Chromium (Cr), Mercury (Hg), Nickel (Ni) and Lead (Pb)) were assessed in six indigenous fish species (Barilius barila, Salmostoma acinaces, Gudusia chapra, Labeo bata, Corica soborna, and Sperata aor) collected from the Old Brahmaputra River in Bangladesh. Human health risk associated with these fish consumption was also evaluated. Metals were analyzed in whole body of fish by an atomic absorption spectrometer (AAS). Mean concentrations of metals (μg/g, wet weight) were in the range of As (< 0.02-0.278), Cd (< 0.002-0.005), Cr (0.239-0.761), Hg (0.008-0.057), Ni (< 0.02-0.044), and Pb (< 0.01-0.038). The metal contents varied significantly among the fishes regarding their feeding habits and living habitats. Concentrations of As, Cr, Hg, and Pb were significantly higher in omnivorous species, whereas the benthopelagic species showed significantly higher accumulation of As (p < 0.05). The target hazard quotient (THQ) for noncarcinogenic risk and target cancer risk (TR) for carcinogenic risk were calculated to estimate the probabilities of experiencing these adverse health effects for the fish consumers. Metal-specific THQ values were all below 1 indicating no potential human health risk. Nonetheless, the hazard index (HI) values to estimate the effects from exposure to all metals collectively elucidated chronic noncarcinogenic health risk particularly from G. chapra consumption. The TR values revealed that there was carcinogenic risk from exposure to As through consumption of the fish. This study finally suggests a systematic and continuous monitoring of trace metal contamination in fishes from the river to ensure the fitness of this food item regarding the safety for human health.
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Affiliation(s)
| | - Saika Shawkat
- Department of Fisheries, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Anwar Hossain
- Department of Fisheries, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Shamshad B Quraishi
- Analytical Chemistry Laboratory (ISO/IEC 17025:2005 Accredited), Chemistry Division, Atomic Energy Centre, Bangladesh Atomic Energy Commission, Dhaka, 1000, Bangladesh
| | - A K M Atique Ullah
- Analytical Chemistry Laboratory (ISO/IEC 17025:2005 Accredited), Chemistry Division, Atomic Energy Centre, Bangladesh Atomic Energy Commission, Dhaka, 1000, Bangladesh
| | - Mohammad Mozammal Hosen
- Analytical Chemistry Laboratory (ISO/IEC 17025:2005 Accredited), Chemistry Division, Atomic Energy Centre, Bangladesh Atomic Energy Commission, Dhaka, 1000, Bangladesh
| | - Md Kamal Hossain
- Soil and Environment Section, BCSIR Laboratories Dhaka, Bangladesh Council of Scientific and Industrial Research, Qudrat-I-Khuda Road, Dhanmandi, Dhaka, 1205, Bangladesh
| | - Badhan Saha
- Soil and Environment Section, BCSIR Laboratories Dhaka, Bangladesh Council of Scientific and Industrial Research, Qudrat-I-Khuda Road, Dhanmandi, Dhaka, 1205, Bangladesh
| | - Bijoya Paul
- Department of Fisheries, University of Dhaka, Dhaka, 1000, Bangladesh
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Gupta A, Sharma V, Sharma K, Kumar V, Choudhary S, Mankotia P, Kumar B, Mishra H, Moulick A, Ekielski A, Mishra PK. A Review of Adsorbents for Heavy Metal Decontamination: Growing Approach to Wastewater Treatment. MATERIALS (BASEL, SWITZERLAND) 2021; 14:4702. [PMID: 34443225 PMCID: PMC8398132 DOI: 10.3390/ma14164702] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 07/31/2021] [Accepted: 08/03/2021] [Indexed: 02/05/2023]
Abstract
Heavy metal is released from many industries into water. Before the industrial wastewater is discharged, the contamination level should be reduced to meet the recommended level as prescribed by the local laws of a country. They may be poisonous or cancerous in origin. Their presence does not only damage people, but also animals and vegetation because of their mobility, toxicity, and non-biodegradability into aquatic ecosystems. The review comprehensively discusses the progress made by various adsorbents such as natural materials, synthetic, agricultural, biopolymers, and commercial for extraction of the metal ions such as Ni2+, Cu2+, Pb2+, Cd2+, As2+ and Zn2+ along with their adsorption mechanisms. The adsorption isotherm indicates the relation between the amount adsorbed by the adsorbent and the concentration. The Freundlich isotherm explains the effective physical adsorption of the solute particle from the solution on the adsorbent and Langmuir isotherm gives an idea about the effect of various factors on the adsorption process. The adsorption kinetics data provide valuable insights into the reaction pathways, the mechanism of the sorption reaction, and solute uptake. The pseudo-first-order and pseudo-second-order models were applied to describe the sorption kinetics. The presented information can be used for the development of bio-based water treatment strategies.
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Affiliation(s)
- Archana Gupta
- Department of Chemistry, MCM DAV College for Women, Sector 36,
Chandigarh 160036, India;
| | - Vishal Sharma
- Institute of Forensic Science and Criminology, Panjab University, Chandigarh 160014, India; (S.C.); (P.M.)
| | - Kashma Sharma
- Department of Chemistry, DAV College, Sector-10, Chandigarh 160011, India;
| | - Vijay Kumar
- Department of Physics, National Institute of Technology Srinagar, Srinagar 190006, India;
| | - Sonal Choudhary
- Institute of Forensic Science and Criminology, Panjab University, Chandigarh 160014, India; (S.C.); (P.M.)
| | - Priyanka Mankotia
- Institute of Forensic Science and Criminology, Panjab University, Chandigarh 160014, India; (S.C.); (P.M.)
| | - Brajesh Kumar
- Post Graduate Department of Chemistry, TATA College, Jharkhand, Chaibasa 833202, India;
- Centro de Nanociencia y Nanotecnologia, Universidad de las Fuerzas Armadas ESPE, Av. Gral. Rumiñahui s/n, Sangolqui 171103, Ecuador
| | - Harshita Mishra
- Smart Society Research Team, Faculty of Business and Economics, Mendel University in Brno, 61300 Brno, Czech Republic; (H.M.); (A.M.)
| | - Amitava Moulick
- Smart Society Research Team, Faculty of Business and Economics, Mendel University in Brno, 61300 Brno, Czech Republic; (H.M.); (A.M.)
| | - Adam Ekielski
- Department of Production Engineering, Warsaw University of Life Sciences, 02-787 Warsaw, Poland;
| | - Pawan Kumar Mishra
- Faculty of Business and Economics, Mendel University in Brno, 61300 Brno, Czech Republic
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9
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S DS, Vishwakarma V. Recovery and recycle of wastewater contaminated with heavy metals using adsorbents incorporated from waste resources and nanomaterials-A review. CHEMOSPHERE 2021; 273:129677. [PMID: 33503526 DOI: 10.1016/j.chemosphere.2021.129677] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 12/18/2020] [Accepted: 01/15/2021] [Indexed: 06/12/2023]
Abstract
Recovery and recycle of wastewater are essential because of the need of huge quantities of water everywhere in this world. Presence of heavy metals in wastewater such as iron (Fe), molybdenum (Mo), manganese (Mn), zinc (Zn), nickel (Ni), copper (Cu), vanadium (V), cobalt (Co), tungsten (W), chromium (Cr), arsenic (As), silver (Ag), antimony (Sb), cadmium (Cd), mercury (Hg), lead (Pd), uranium (U), etc is the serious environmental issues and risk for human and animal health. Adsorbents are simple and low-cost methods to treat the pollutants and heavy metals of wastewater. The adsorbents are capable to treat the wastewater prepared from different wastes such as domestic, agricultural, industrial, animal and marine waste etc. In recent years, novel nanomaterials are also used as adsorbents which enhance the treatment efficiency of wastewater. Adsorption is a mass transfer phenomenon revolving shift of elements from a fluid to a solid phase based on the concentration gradient. The mechanism which helps in separation of contaminants from the effluent and the factors governing the efficiency of adsorption are discussed elaborately.
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Affiliation(s)
- Dawn S S
- Centre for Waste Management, Sathyabama Institute of Science and Technology, Chennai, 600119, India; Centre of Excellence for Energy Research, Sathyabama Institute of Science and Technology, Chennai, 600119, India
| | - Vinita Vishwakarma
- Centre for Nanoscience and Nanotechnology, Sathyabama Institute of Science and Technology, Chennai, 600119, India.
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10
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Fouda-Mbanga B, Prabakaran E, Pillay K. Carbohydrate biopolymers, lignin based adsorbents for removal of heavy metals (Cd 2+, Pb 2+, Zn 2+) from wastewater, regeneration and reuse for spent adsorbents including latent fingerprint detection: A review. BIOTECHNOLOGY REPORTS (AMSTERDAM, NETHERLANDS) 2021; 30:e00609. [PMID: 33898275 PMCID: PMC8058533 DOI: 10.1016/j.btre.2021.e00609] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/15/2021] [Accepted: 03/10/2021] [Indexed: 01/19/2023]
Abstract
Living organisms are created by carbohydrate biopolymers such as chitosan, carboxymethyl cellulose, alginate and lignin. These carbohydrate biopolymers have been extensively used for environmental applications because they are bio-degradable, bio-compatible, non-toxic and inexpensive. Recently, carbohydrate biopolymers have been used to prepare different nanocomposite adsorbents for treatment of wastewater. These adsorbents explored the removal effectiveness of inorganic pollutants from aqueous solution. This review article discusses the synthesis and application of chitosan, carboxymethyl cellulose, alginate and lignin nanocomposites as adsorbents for heavy metals. Toxic metals can be efficiently absorbed by cross-linkers, distributed in aqueous solutions of divalent heavy metal ions to examine their polymer absorption capacity. These nanocomposites were used for the adsorption of highly toxic metals such as Cd2+, Pb2+ and Zn2+ in water. To make heavy metal ion uptake more effective, more functionalization has been implemented such as blending, grafting, or mixing with different nanomaterials with an extra functional group. The integration of the second part into the main polymer chain not only adds functionality but also increases mechanical efficiency, one of the core criteria for adsorbent recyclability. The remediation method of metal ions from wastewater is cheaper as long as the adsorbent is reused. Furthermore, they exhibited good performance for the reuse of spent adsorbents after adsorption-desorption processes including latent fingerprint detection with nanomaterials by using the powder dusting method. Chitosan, carboxymethyl cellulose, alginate and lignin based nanocomposites have demonstrated better adsorption activities due to great physical and chemical properties for the chelation of heavy metals such as Cd2+, Pb2+ and Zn2+ from water and also higher regeneration with various eluents after several desorption-adsorption cycles. In addition, reuse of the spent adsorbents in latent fingerprint detection with different nanomaterials is discussed. Finally, this review article makes recommendations for future studies in light of environmentally favourable and economical applications.
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Affiliation(s)
- B.G. Fouda-Mbanga
- Department of Chemical Sciences, University of Johannesburg, Johannesburg, South Africa
| | - E. Prabakaran
- Department of Chemical Sciences, University of Johannesburg, Johannesburg, South Africa
| | - K. Pillay
- Department of Chemical Sciences, University of Johannesburg, Johannesburg, South Africa
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Masoumi H, Ghaemi A, Gilani HG. Evaluation of hyper-cross-linked polymers performances in the removal of hazardous heavy metal ions: A review. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118221] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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12
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Fan H, Gu J, Wang Y, Yuan H, Chen Y, Luo B. Effect of potassium on the pyrolysis of biomass components: Pyrolysis behaviors, product distribution and kinetic characteristics. WASTE MANAGEMENT (NEW YORK, N.Y.) 2021; 121:255-264. [PMID: 33388648 DOI: 10.1016/j.wasman.2020.12.023] [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: 08/11/2020] [Revised: 12/04/2020] [Accepted: 12/19/2020] [Indexed: 06/12/2023]
Abstract
Potassium is an inorganic mineral element in biomass and has a significant catalytic effect on biomass pyrolysis. In this work, the effect of potassium on the pyrolysis of biomass components (cellulose, xylan and lignin) was investigated with the help of thermogravimetric analyzer coupled to fourier transform infrared spectrometer (TG-FTIR) and pyrolysis-gas chromatography coupled to mass spectrometry (Py-GC/MS). The results showed that potassium accelerated the start of the main pyrolysis stage of the biomass components, reduced the weight loss rate for cellulose and lignin, and increased the weight loss rate for xylan. On the other hand, potassium presented a promotion effect on the formation of char for cellulose but a suppression effect for lignin. In addition, an increasing potassium content promoted the release of volatile products for xylan. Product distribution analysis found that potassium promoted the scission of glycosidic bonds and the decomposition of glucose units, resulting in a sharp yield decrease of carbohydrates and a yield increase of furans, aldehydes and ketones. In addition, an increased production of CO2 was obtained, indicating that potassium favors the cleavage and reforming of carboxyl (COOH) and carbonyl (CO) groups. Furthermore, the effect of potassium on the pyrolysis of cellulose and xylan was stronger than that on lignin pyrolysis. The effect on the pyrolysis reaction also resulted in a higher activation energy for the decomposition of biomass components, especially at high temperature intervals. Moreover, the higher the content of potassium added, the greater the increase was in the activation energy.
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Affiliation(s)
- Honggang Fan
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, China; Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou 510640, China; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jing Gu
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, China; Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou 510640, China; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China
| | - Yazhuo Wang
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, China; Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou 510640, China; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China; Nanjing Tech University, Nanjing 211816, China
| | - Haoran Yuan
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, China; Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou 510640, China; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China.
| | - Yong Chen
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, China; Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou 510640, China; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China; Nanjing Tech University, Nanjing 211816, China
| | - Bo Luo
- Chongqing Environment&Sanitation Group CO., LTD, Chongqin 401121, China
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Mohammadabadi SI, Javanbakht V. Lignin extraction from barley straw using ultrasound-assisted treatment method for a lignin-based biocomposite preparation with remarkable adsorption capacity for heavy metal. Int J Biol Macromol 2020; 164:1133-1148. [PMID: 32679319 DOI: 10.1016/j.ijbiomac.2020.07.074] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 06/10/2020] [Accepted: 07/08/2020] [Indexed: 01/01/2023]
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14
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Sharma S, Jaiswal A, Uttam KN. Synthesis of Sensitive and Robust Lignin Capped Silver Nanoparticles for the Determination of Cobalt(II), Chromium(III), and Manganese(II) Ions by Colorimetry and Manganese(II) Ions by Surface-Enhanced Raman Scattering (SERS) in Aqueous Media. ANAL LETT 2020. [DOI: 10.1080/00032719.2020.1837855] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Sweta Sharma
- Saha’s Spectroscopy Laboratory, Department of Physics, University of Allahabad, Allahabad, India
| | - Aarti Jaiswal
- Centre for Material Science, IIDS, University of Allahabad, Allahabad, India
| | - K. N. Uttam
- Saha’s Spectroscopy Laboratory, Department of Physics, University of Allahabad, Allahabad, India
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15
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Ogata F, Nagahashi E, Miki H, Saenjum C, Nakamura T, Kawasaki N. Assessment of Cd(II) adsorption capability and mechanism from aqueous phase using virgin and calcined lignin. Heliyon 2020; 6:e04298. [PMID: 32617421 PMCID: PMC7322691 DOI: 10.1016/j.heliyon.2020.e04298] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 04/30/2020] [Accepted: 06/22/2020] [Indexed: 11/28/2022] Open
Abstract
Herein, to assess the adsorption capability and elucidate the adsorption mechanism of Cd(II) from the aqueous phase, virgin lignin (Lig) and calcined lignin (Lig200, Lig400, Lig600, Lig800, and Lig1000) were prepared. The characteristics, including specific surface area and pore volume of adsorbents, were investigated, and the adsorption capability along with the effect of temperature, contact time, and pH on the adsorption of Cd(II) were evaluated. The characteristics of the adsorbent surface were related to the adsorption capability of Cd(II) from the aqueous phase, and the correlation coefficients between the adsorbed amount and specific surface area and total pore volumes were 0.872 and 0.960, respectively. Moreover, the amount adsorbed using Lig800 (91.3 mg/g) was higher than that using other adsorbent samples. The adsorption mechanism was elucidated to investigate the binding energy and elemental distribution before and after Cd(II) adsorption. Finally, the desorption capability of Cd(II) from Lig800 using a hydrochloric acid solution was demonstrated. Results obtained herein suggest that Lig800 is a potential candidate for the removal of Cd(II).
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Affiliation(s)
- Fumihiko Ogata
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Eri Nagahashi
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Hirona Miki
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Chalermpong Saenjum
- Faculty of Pharmacy, Chiang Mai University, Suthep Road, Muang District, Chiang Mai, 50200, Thailand.,Cluster of Excellence on Biodiversity-based Economics and Society (B.BES-CMU), Chiang Mai University, Suthep Road, Muang District, Chiang Mai, 50200, Thailand
| | - Takehiro Nakamura
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Naohito Kawasaki
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan.,Antiaging Center, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
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16
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Budnyak TM, Piątek J, Pylypchuk IV, Klimpel M, Sevastyanova O, Lindström ME, Gun’ko VM, Slabon A. Membrane-Filtered Kraft Lignin-Silica Hybrids as Bio-Based Sorbents for Cobalt(II) Ion Recycling. ACS OMEGA 2020; 5:10847-10856. [PMID: 32455205 PMCID: PMC7240831 DOI: 10.1021/acsomega.0c00492] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 04/24/2020] [Indexed: 05/22/2023]
Abstract
Efficient and sustainable recycling of cobalt(II) is of increasing importance to support technological development in energy storage and electric vehicle industries. A composite material based on membrane-filtered lignin deposited on nanoporous silica microparticles was found to be an effective and sustainable sorbent for cobalt(II) removal. This bio-based sorbent exhibited a high sorption capacity, fast kinetics toward cobalt(II) adsorption, and good reusability. The adsorption capacity was 18 mg Co(II) per gram of dry adsorbent at room temperature (22 °C) at near-neutral pH, three times higher than that of the summarized capacity of lignin or silica starting materials. The kinetics study showed that 90 min is sufficient for effective cobalt(II) extraction by the composite sorbent. The pseudo-second-order kinetics and Freundlich isotherm models fitted well with experimentally obtained data and confirmed heterogeneity of adsorption sites. The promising potential of the lignin-silica composites for industrial applications in the cobalt recovering process was confirmed by high values of desorption in mildly acidic solutions.
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Affiliation(s)
- Tetyana M. Budnyak
- Department
of Materials and Environmental Chemistry, Stockholm University, Svante Arrhenius väg 16 C, 106
91 Stockholm, Sweden
| | - Jędrzej Piątek
- Department
of Materials and Environmental Chemistry, Stockholm University, Svante Arrhenius väg 16 C, 106
91 Stockholm, Sweden
| | - Ievgen V. Pylypchuk
- Department
of Fiber and Polymer Technology, KTH Royal
Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden
| | - Matthias Klimpel
- Department
of Materials and Environmental Chemistry, Stockholm University, Svante Arrhenius väg 16 C, 106
91 Stockholm, Sweden
| | - Olena Sevastyanova
- Department
of Fiber and Polymer Technology, KTH Royal
Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden
- Wallenberg
Wood Science Center (WWSC), Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden
| | - Mikael E. Lindström
- Department
of Fiber and Polymer Technology, KTH Royal
Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden
| | - Volodymyr M. Gun’ko
- Chuiko
Institute of Surface Chemistry of National Academy of Sciences of
Ukraine, 17 General Naumov
Str., 03164 Kyiv, Ukraine
| | - Adam Slabon
- Department
of Materials and Environmental Chemistry, Stockholm University, Svante Arrhenius väg 16 C, 106
91 Stockholm, Sweden
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17
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Kononova O, Bryuzgina G, Apchitaeva O, Kononov Y. Ion exchange recovery of chromium (VI) and manganese (II) from aqueous solutions. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2015.05.021] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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18
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Adeeyo RO, Edokpayi JN, Bello OS, Adeeyo AO, Odiyo JO. Influence of Selective Conditions on Various Composite Sorbents for Enhanced Removal of Copper (II) Ions from Aqueous Environments. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E4596. [PMID: 31756953 PMCID: PMC6926873 DOI: 10.3390/ijerph16234596] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/24/2019] [Accepted: 10/28/2019] [Indexed: 01/26/2023]
Abstract
Numerous pollutants, including dyes, heavy metals, pesticides, and microorganisms, are found in wastewater and have great consequences when discharged onto natural freshwater sources. Heavy metals are predominantly reported in wastewater. Heavy metals are persistent, non-biodegradable and toxic, transforming from a less toxic form to more toxic forms in environmental media under favourable conditions. Among heavy metals, copper is dominantly found in wastewater effluent. In this review, the effects of high concentration of copper in plants and living tissues of both aquatic animals and humans are identified. The performance of different polymer adsorbents and the established optimum conditions to assess the resultant remediation effect as well as the amount of copper removed are presented. This procedure allows the establishment of a valid conclusion of reduced time and improved Cu (II) ion removal in association with recent nano-polymer adsorbents. Nano-polymer composites are therefore seen as good candidates for remediation of Cu ions while pH range 5-6 and room temperature were mostly reported for optimum performance. The optimum conditions reported can be applied for other metal remediation and development of potent novel adsorbents and process conditions.
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Affiliation(s)
- Rebecca O. Adeeyo
- School of Environmental Sciences, University of Venda, Thohoyandou Private Bag X5050, South Africa;
| | - Joshua N. Edokpayi
- Hydrology and Water Resource Department, School of Environmental Sciences, University of Venda, Thohoyandou Private Bag X5050, South Africa; (J.N.E.); (J.O.O.)
| | - Olugbenga S. Bello
- Department of Pure and Applied Chemistry, Faculty of Pure and Applied Sciences, P.M.B. 4000, Ladoke Akintola University of Technology, Ogbomoso 210214, Nigeria;
| | - Adeyemi O. Adeeyo
- School of Environmental Sciences, University of Venda, Thohoyandou Private Bag X5050, South Africa;
| | - John O. Odiyo
- Hydrology and Water Resource Department, School of Environmental Sciences, University of Venda, Thohoyandou Private Bag X5050, South Africa; (J.N.E.); (J.O.O.)
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19
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Wang Z, Huang W, Bin P, Zhang X, Yang G. Preparation of quaternary amine-grafted organosolv lignin biosorbent and its application in the treatment of hexavalent chromium polluted water. Int J Biol Macromol 2019; 126:1014-1022. [DOI: 10.1016/j.ijbiomac.2018.12.087] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 12/02/2018] [Accepted: 12/09/2018] [Indexed: 11/24/2022]
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20
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Abstract
A new adsorbent for removing lead, nickel, chromium and arsenic ions from industrial wastewaters has been investigated. This new adsorbent consists of four waste products tea waste, rice husk, sugarcane bagasse and peanut shell. The adsorbent was prepared without any physical and chemical treatment. Batch experiments were conducted to assess the removal of selected metal ions from wastewaters. The results have shown that the mixture of four waste products presented an excellent adsorption of heavy metal ions. The equilibrium time was dependent on type of adsorbent and sample. The highest percentage of metal ion removal was 100 %. The results showed pseudo second order kinetics. The surface chemical nature of prepared adsorbent was studied by Fourier transform infrared spectroscopy. The functional group present in adsorbent has affinity towards heavy metal ions to form metal complexes. The surface morphology of prepared adsorbent was confirmed by scanning electron microscopy and chemical composition was analyzed by energy dispersive X-ray spectroscopy.
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Affiliation(s)
- Shalini
- Department of Environmental Sciences, Graphic Era University (Deemed to be University), Dehradun-248002, India
| | - Pratibha Naithani
- Department of Environmental Sciences, Graphic Era University (Deemed to be University), Dehradun-248002, India
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21
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Pei Y, Xu G, Wu X, Tang K, Wang G. Removing Pb(II) Ions from Aqueous Solution by a Promising Absorbent of Tannin-Immobilized Cellulose Microspheres. Polymers (Basel) 2019; 11:polym11030548. [PMID: 30960532 PMCID: PMC6473306 DOI: 10.3390/polym11030548] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 03/15/2019] [Accepted: 03/19/2019] [Indexed: 11/16/2022] Open
Abstract
Tannin/cellulose microspheres (T/C) were successfully prepared via a facile homogeneous reaction in a water/oil (W/O) emulsion for removing Pb(II) ions from aqueous solution. The structure of the microspheres was characterized by scanning electron microscopy (SEM), Fourier-transform infrared (FTIR) spectroscopy, and a zeta potential test. The effects of pH, adsorbent dosage, contact time, and temperature on adsorption ability were investigated. The results showed that T/C microspheres could combine Pb(II)ions via electrostatic attractions and physical adsorption. Adsorption kinetics could be better described by the pseudo-second-order kinetic model. The adsorption behaviors were in agreement with the Langmuir adsorption isotherm model with a fitting correlation coefficient of 0.9992. The maximum adsorption capacity was 23.75 mg/g from the Langmuir isotherm evaluation at 308K with an initial pH of 5. The results suggested that tannin/cellulose microspheres could be a low-cost and effective adsorbent for removing Pb(II) ions from aqueous solution.
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Affiliation(s)
- Ying Pei
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China.
- School of Food Science and Engineering, Wuhan Polytechnic University, Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education, Wuhan 430023, China.
| | - Gaoqiang Xu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China.
| | - Xiao Wu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China.
| | - Keyong Tang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China.
| | - Guozhen Wang
- School of Food Science and Engineering, Wuhan Polytechnic University, Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education, Wuhan 430023, China.
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22
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Richards S, Dawson J, Stutter M. The potential use of natural vs commercial biosorbent material to remediate stream waters by removing heavy metal contaminants. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 231:275-281. [PMID: 30347346 DOI: 10.1016/j.jenvman.2018.10.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 09/26/2018] [Accepted: 10/06/2018] [Indexed: 06/08/2023]
Abstract
The presence of high level of heavy metals in aquatic environment is a cause of ecological and environmental concern and thus their removal from water courses is environmentally essential. Four natural inexpensive biosorbents: macro algae (Fucus vesiculosus), crab shells (Cancer pagurus), wood chippings and iron-rich soil were tested for copper (Cu2+) and zinc (Zn2+) removal from aqueous solutions. Batch equilibrations were performed at 1:100 w/v with different initial metal concentrations. Three macro algae pre-treatments (unmodified (UM algae), chemically treated (Ca-T algae) and thermally treated (T-T algae)) were additionally investigated for performance. The sorption capacities were compared with the commercial material biochar and activated carbon. The maximum level of the sorbents for Cu2+ uptake at 15.7 mM/l was attained by the natural material of UM algae (72.37 ± 0.37 mg/g) > Ca-T algae (66.77 ± 0.19 mg/g) > T-T algae (63.06 ± 0.82 mg/g), followed by the commercial material activated carbon (36.71 ± 2.20 mg/g). The maximum level of the sorbents for Zn2+ uptake at 15.3 mM/l was also achieved by the natural material of UM algae (52.40 ± 0.80 mg/g) > Ca-T algae (48.83 ± 2.01 mg/g) > T-T algae (39.57 ± 0.80 mg/g) followed by the commercial material activated carbon (20.78 ± 1.63 mg/g) and biochar (18.07 ± 1.09 mg/g). The results demonstrated that Cu2+ and Zn2+ were effectively removed by these biosorbents at all concentrations. However, at high metals concentrations, the natural material macro algae had greater Cu2+ and Zn2+ sorption capacity than the conventional sorbent activated carbon, and the affinity of these natural biosorbents were greater for Cu2+ than Zn2+. Hence, inexpensive natural and readily available materials showed potential as biosorbents to remediate polluted stream water of toxic metal contaminants.
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Affiliation(s)
- Samia Richards
- The James Hutton Institute, Craigiebuckler, Aberdeen, AB15 8QH, Scotland, UK.
| | - Julian Dawson
- The James Hutton Institute, Craigiebuckler, Aberdeen, AB15 8QH, Scotland, UK
| | - Marc Stutter
- The James Hutton Institute, Craigiebuckler, Aberdeen, AB15 8QH, Scotland, UK
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Elimination of Toxic Heavy Metals from Aqueous Systems Using Potential Biosorbents: A Review. SPRINGER TRANSACTIONS IN CIVIL AND ENVIRONMENTAL ENGINEERING 2019. [DOI: 10.1007/978-981-13-1202-1_26] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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24
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Microgels from hydrophobic solid monomers via miniemulsion polymerization for aqueous lead and copper ion removal. REACT FUNCT POLYM 2018. [DOI: 10.1016/j.reactfunctpolym.2018.10.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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25
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Chen H, Qu X, Liu N, Wang S, Chen X, Liu S. Study of the adsorption process of heavy metals cations on Kraft lignin. Chem Eng Res Des 2018. [DOI: 10.1016/j.cherd.2018.09.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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26
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Naseer A, Jamshaid A, Hamid A, Muhammad N, Ghauri M, Iqbal J, Rafiq S, khuram S, Shah NS. Lignin and Lignin Based Materials for the Removal of Heavy Metals from Waste Water-An Overview. ACTA ACUST UNITED AC 2018. [DOI: 10.1515/zpch-2018-1209] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Abstract
Water Pollution through heavy metals is the concerned issue as many industries like tanning, steel production and electroplating are the major contributors. Various toxic Heavy metals are a matter of concern as they have severe environmental and health effects. Most commonly, conventional methods are using to remove these heavy metals like precipitation, ion exchange, which are not economical and have disposal issues. Adsorption of heavy metals by different low-cost adsorbents seems to be the best option in wastewater treatment. Many agricultural by-products proved to be suitable as low-cost adsorbents for removing heavy metals efficiently in a minimum time. Lignin residues that involves both agricultural and wood residues and sometimes separated out from black liquor through precipitation have adsorption capacity and affinity comparable to other natural adsorbents. However, lignin as bio adsorbents have the advantage of less cost and gives efficient adsorption results. This study is a review of the recent literature on the use of natural lignin residues for heavy metals adsorption under different experimental scenarios.
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Affiliation(s)
- Ayesha Naseer
- Department of Environmental Sciences/Chemistry , Kinnaird College for Women , Lahore , Pakistan
| | - Anum Jamshaid
- Department of Environmental Sciences/Chemistry , Kinnaird College for Women , Lahore , Pakistan
| | - Almas Hamid
- Department of Environmental Sciences/Chemistry , Kinnaird College for Women , Lahore , Pakistan
| | - Nawshad Muhammad
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS Institute of Information Technology , Lahore , Pakistan
| | - Moinuddin Ghauri
- Department of Chemical Engineering , COMSATS Institute of Information Technology , Lahore , Pakistan
| | - Jibran Iqbal
- College of Natural and Health Sciences , Zayed University , 144534 Abu Dhabi , United Arab Emirates , Tel.: +971559188346
| | - Sikander Rafiq
- Department of Chemical Engineering , COMSATS Institute of Information Technology , Lahore , Pakistan
| | - Shahzad khuram
- Department of Chemical Engineering , COMSATS Institute of Information Technology , Lahore , Pakistan
| | - Noor Samad Shah
- Department of Environmental Sciences , COMSATS Institute of Information Technology , Vehari , Pakistan
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27
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In situ crosslinking of poly(vinyl alcohol)/graphene oxide Nano-composite hydrogel: intercalation structure and adsorption mechanism for advanced Pb(II) removal. JOURNAL OF POLYMER RESEARCH 2018. [DOI: 10.1007/s10965-018-1569-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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28
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Wang Y, Liu R. H 2O 2 treatment enhanced the heavy metals removal by manure biochar in aqueous solutions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 628-629:1139-1148. [PMID: 30045537 DOI: 10.1016/j.scitotenv.2018.02.137] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 01/14/2018] [Accepted: 02/12/2018] [Indexed: 05/12/2023]
Abstract
The physicochemical properties and adsorption capacities of yak manure biochar (SP350-YMB) and modified yak manure biochar by H2O2 (AC-YMB) were investigated. Results showed the oxygen content and the carboxyl group content of manure biochar increased by 63.4% and 101%, and the ash content decreased 42% after modification, respectively. Compared to SP350-YMB, the adsorption capacities of heavy metal ions (Pb2+, Cu2+, Cd2+ and Zn2+) were enhanced by AC-YMB in single-metal and multi-metal solutions. The maximum adsorption capacity of Pb2+ increased from 76.41mgg-1 by SP350-YMB to 169.57mgg-1 by AC-YMB based on Langmuir-Freundlich model in single-metal solutions. Pseudo-first and Pseudo-second-order model were used to predict the Pb2+ adsorption kinetics by AC-YMB. H2O2 modification reduced ash content and increased carboxyl content resulting in the major mechanism of heavy metal sorption shifting from precipitation with carbonate/phosphate to complexation with carboxyl. Results from this study indicated that H2O2 modified biochar could act as effective surface sorbent to remove heavy metals, but its ability to remove multi-metal ions needs to be carefully evaluated on an individual basis.
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Affiliation(s)
- Yan Wang
- Biomass Energy Engineering Research Centre, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China; Key Laboratory of Urban Agriculture (South), Ministry of Agriculture, 800 Dongchuan Road, Shanghai 200240, People's Republic of China
| | - Ronghou Liu
- Biomass Energy Engineering Research Centre, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China; Key Laboratory of Urban Agriculture (South), Ministry of Agriculture, 800 Dongchuan Road, Shanghai 200240, People's Republic of China.
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29
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Zhou T, Xia F, Deng Y, Zhao Y. Removal of Pb(II) from aqueous solutions using waste textiles/poly(acrylic acid) composite synthesized by radical polymerization technique. J Environ Sci (China) 2018; 67:368-377. [PMID: 29778170 DOI: 10.1016/j.jes.2017.04.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 04/08/2017] [Accepted: 04/11/2017] [Indexed: 06/08/2023]
Abstract
Waste textiles (WTs) are the inevitable outcome of human activity and should be separated and recycled in view of sustainable development. In this work, WT was modified through grafting with acrylic acid (AA) via radical polymerization process using ceric ammonium nitrate (CAN) as an initiator and microwave and/or UV irradiation as energy supply. The acrylic acid-grafted waste textiles (WT-g-AA) thus obtained was then used as an adsorbent to remove Pb(II) from Pb(II)-containing wastewater. The effects of pH, initial concentrations of Pb(II) and adsorbent dose were investigated, and around 95% Pb(II) can be removed from the aqueous solution containing 10mg/L at pH6.0-8.0. The experimental adsorption isotherm data was fitted to the Langmuir model with maximum adsorption capacity of 35.7mg Pb/g WT-g-AA. The Pb-absorbed WT-g-AA was stripped using dilute nitric acid solution and the adsorption capacity of Pb-free material decreased from 95.4% (cycle 1) to 91.1% (cycle 3). It was considered that the WT-g-AA adsorption for Pb(II) may be realized through the ion-exchange mechanism between COOH and Pb(II). The promising results manifested that WT-g-AA powder was an efficient, eco-friendly and reusable adsorbent for the removal of Pb(II) from wastewater.
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Affiliation(s)
- Tao Zhou
- The State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
| | - Fafa Xia
- The State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Yue Deng
- The State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Youcai Zhao
- The State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
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30
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Xu F, Zhu TT, Rao QQ, Shui SW, Li WW, He HB, Yao RS. Fabrication of mesoporous lignin-based biosorbent from rice straw and its application for heavy-metal-ion removal. J Environ Sci (China) 2017; 53:132-140. [PMID: 28372737 DOI: 10.1016/j.jes.2016.03.026] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 03/11/2016] [Accepted: 03/25/2016] [Indexed: 06/07/2023]
Abstract
Lignocellulosic biomass offers the most abundant renewable resource in replacing traditional fossil resources. However, it is still a major challenge to directly convert the lignin component into value-added materials. The availability of plentiful hydroxyl groups in lignin macromolecules and its unique three-dimensional structure make it an ideal precursor for mesoporous biosorbents. In this work, we reported an environmentally friendly and economically feasible method for the fabrication of mesoporous lignin-based biosorbent (MLBB) from lignocellulosic biomass through a SO3 micro-thermal-explosion process, as a byproduct of microcrystalline cellulose. BET analysis reveal the average pore-size distribution of 5.50nm, the average pore value of 0.35cm3/g, and the specific surface area of 186m2/g. The physicochemical properties of MLBB were studied by fourier transform infrared spectroscopy (FTIR), attenuated-total-reflection fourier transform infrared spectroscopy (ATR-FTIR), X-ray photoelectron spectroscopy (XPS), and element analysis. These results showed that there are large amounts of sulfonic functional groups existing on the surface of this biosorbent. Pb(II) was used as a model heavy-metal-ion to demonstrate the technical feasibility for heavy-metal-ion removal. Considering that lignocellulosic biomass is a naturally abundant and renewable resource and SO3 micro-thermal-explosion is a proven technique, this biosorbent can be easily produced at large scale and become a sustainable and reliable resource for wastewater treatment.
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Affiliation(s)
- Fang Xu
- School of Medical Engineering, Hefei University of Technology, Hefei 230009, China.
| | - Ting-Ting Zhu
- School of Medical Engineering, Hefei University of Technology, Hefei 230009, China; CAS Key Laboratory of Urban Pollutant Conversion, Department of Chemistry, University of Science & Technology of China, Hefei 230026, China
| | - Qing-Quan Rao
- Environmental Monitoring Center of Taizhou, Taizhou 31800, China
| | - Sheng-Wen Shui
- School of Medical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Wen-Wei Li
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Chemistry, University of Science & Technology of China, Hefei 230026, China
| | - Hong-Bo He
- School of Medical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Ri-Sheng Yao
- School of Medical Engineering, Hefei University of Technology, Hefei 230009, China.
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31
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Hamouz OCSA, K. Estatie M, Morsy MA, Saleh TA. Lead ion removal by novel highly cross-linked Mannich based polymers. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2016.10.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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32
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Gonte R, Balasubramanian K. Heavy and toxic metal uptake by mesoporous hypercrosslinked SMA beads: Isotherms and kinetics. JOURNAL OF SAUDI CHEMICAL SOCIETY 2016. [DOI: 10.1016/j.jscs.2013.04.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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33
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Banerjee S, Mukherjee S, LaminKa-Ot A, Joshi SR, Mandal T, Halder G. Biosorptive uptake of Fe(2+), Cu(2+) and As(5+) by activated biochar derived from Colocasia esculenta: Isotherm, kinetics, thermodynamics, and cost estimation. J Adv Res 2016; 7:597-610. [PMID: 27408763 PMCID: PMC4933041 DOI: 10.1016/j.jare.2016.06.002] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2016] [Revised: 06/12/2016] [Accepted: 06/13/2016] [Indexed: 10/30/2022] Open
Abstract
The adsorptive capability of superheated steam activated biochar (SSAB) produced from Colocasia esculenta was investigated for removal of Cu(2+), Fe(2+) and As(5+) from simulated coal mine wastewater. SSAB was characterized by scanning electron microscopy, Fourier transform infrared spectroscopy and Brunauer-Emmett-Teller analyser. Adsorption isotherm indicated monolayer adsorption which fitted best in Langmuir isotherm model. Thermodynamic study suggested the removal process to be exothermic, feasible and spontaneous in nature. Adsorption of Fe(2+), Cu(2+) and As(5+) on to SSAB was found to be governed by pseudo-second order kinetic model. Efficacy of SSAB in terms of metal desorption, regeneration and reusability for multiple cycles was studied. Regeneration of metal desorbed SSAB with 1 N sodium hydroxide maintained its effectiveness towards multiple metal adsorption cycles. Cost estimation of SSAB production substantiated its cost effectiveness as compared to commercially available activated carbon. Hence, SSAB could be a promising adsorbent for metal ions removal from aqueous solution.
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Affiliation(s)
- Soumya Banerjee
- Department of Chemical Engg, National Institute of Technology Durgapur, West Bengal, India
| | - Shraboni Mukherjee
- Department of Chemical Engg, National Institute of Technology Durgapur, West Bengal, India
| | - Augustine LaminKa-Ot
- Department of Biotechnology and Bioinformatics, North-Eastern Hill University, Shillong, India
| | - S R Joshi
- Department of Biotechnology and Bioinformatics, North-Eastern Hill University, Shillong, India
| | - Tamal Mandal
- Department of Chemical Engg, National Institute of Technology Durgapur, West Bengal, India
| | - Gopinath Halder
- Department of Chemical Engg, National Institute of Technology Durgapur, West Bengal, India
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34
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Akimkulova A, Zhou Y, Zhao X, Liu D. Improving the enzymatic hydrolysis of dilute acid pretreated wheat straw by metal ion blocking of non-productive cellulase adsorption on lignin. BIORESOURCE TECHNOLOGY 2016; 208:110-116. [PMID: 26930032 DOI: 10.1016/j.biortech.2016.02.059] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Revised: 02/12/2016] [Accepted: 02/16/2016] [Indexed: 05/08/2023]
Abstract
Eleven salts were selected to screen the possible metal ions for blocking the non-productive adsorption of cellulase onto the lignin of dilute acid pretreated wheat straw. Mg(2+) was screened finally as the promising candidate. The optimal concentration of MgCl2 was 1 mM, but the beneficial action was also dependent on pH, hydrolysis time and cellulase loading. Significant improvement of glucan conversion (19.3%) was observed at low cellulase loading (5 FPU/g solid). Addition of isolated lignins, tannic acid and lignin model compounds to pure cellulose hydrolysis demonstrated that phenolic hydroxyl group (Ph-OH) was the main active site blocked by Mg(2+). The interaction between Mg(2+) and Ph-OH of lignin monomeric moieties followed an order of p-hydroxyphenyl (H)>guaiacyl (G)>syringyl (S). Mg(2+) blocking made the lignin surface less negatively charged, which might weaken the hydrogen bonding and electrostatically attractive interaction between lignin and cellulase enzymes.
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Affiliation(s)
- Ardak Akimkulova
- Institute of Applied Chemistry, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Yan Zhou
- Institute of Applied Chemistry, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Xuebing Zhao
- Institute of Applied Chemistry, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China; Tsinghua Innovation Center in Dongguan, Dongguan 523808, China.
| | - Dehua Liu
- Institute of Applied Chemistry, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China; Tsinghua Innovation Center in Dongguan, Dongguan 523808, China
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Hui B, Ye L. Structure of polyvinyl alcohol-g-acrylic acid-2-acrylamido-2-methyl-1-propanesulfonic acid hydrogel and adsorption mechanism for advanced Pb(II) removal. J IND ENG CHEM 2016. [DOI: 10.1016/j.jiec.2016.01.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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36
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Mve MZ, Makani T, Eba F. Removal of Mn (II) from Aqueous Solutions by Activated Carbons Prepared from Coula edulis Nut Shell. ACTA ACUST UNITED AC 2016. [DOI: 10.3923/jest.2016.226.237] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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37
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Saleh TA, Gupta VK. Processing methods, characteristics and adsorption behavior of tire derived carbons: a review. Adv Colloid Interface Sci 2014; 211:93-101. [PMID: 25001042 DOI: 10.1016/j.cis.2014.06.006] [Citation(s) in RCA: 344] [Impact Index Per Article: 34.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2014] [Revised: 06/04/2014] [Accepted: 06/11/2014] [Indexed: 10/25/2022]
Abstract
The remarkable increase in the number of vehicles worldwide; and the lack of both technical and economical mechanisms of disposal make waste tires to be a serious source of pollution. One potential recycling process is pyrolysis followed by chemical activation process to produce porous activated carbons. Many researchers have recently proved the capability of such carbons as adsorbents to remove various types of pollutants including organic and inorganic species. This review attempts to compile relevant knowledge about the production methods of carbon from waste rubber tires. The effects of various process parameters including temperature and heating rate, on the pyrolysis stage; activation temperature and time, activation agent and activating gas are reviewed. This review highlights the use of waste-tires derived carbon to remove various types of pollutants like heavy metals, dye, pesticides and others from aqueous media.
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Ciszewski A, Sron K, Stepniak I, Milczarek G. Nickel (II) lignosulfonate as precursor for the deposition of nickel hydroxide nanoparticles on a glassy carbon electrode for oxidative electrocatalysis. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.04.152] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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39
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Preparation and adsorption characters of Cu(II)-imprinted chitosan/attapulgite polymer. KOREAN J CHEM ENG 2014. [DOI: 10.1007/s11814-014-0004-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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40
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Şimşek S, Ulusoy U. Adsorptive properties of sulfolignin–polyacrylamide graft copolymer for lead and uranium: Effect of hydroxilamine–hydrochloride treatment. REACT FUNCT POLYM 2013. [DOI: 10.1016/j.reactfunctpolym.2012.09.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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42
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Huang J, Ye M, Qu Y, Chu L, Chen R, He Q, Xu D. Pb (II) removal from aqueous media by EDTA-modified mesoporous silica SBA-15. J Colloid Interface Sci 2012; 385:137-46. [DOI: 10.1016/j.jcis.2012.06.054] [Citation(s) in RCA: 144] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2012] [Revised: 06/16/2012] [Accepted: 06/18/2012] [Indexed: 10/28/2022]
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43
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Madaeni SS, Heidary F. Effect of surface modification of microfiltration membrane on capture of toxic heavy metal ions. ENVIRONMENTAL TECHNOLOGY 2012; 33:393-399. [PMID: 22629610 DOI: 10.1080/09593330.2011.576703] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A novel complexing membrane containing 8-hydroxyquinoline groups was used for the removal of heavy metal ions (Cd2+ and Ni2+) from aqueous solution. The functionalized membranes were characterized by FTIR-ATR, SEM and EDAX for the presence of functional groups, the physical structure of the membranes and the analysis of the particles deposited on the membrane, respectively. The influence of 8-hydroxyquinoline concentration, feed concentration, pH and temperature of the solution on capture capability was studied. The modified membrane showed a higher affinity to Cd2+ cations than to Ni2+. The metal ion rejection was increased with an increase in concentration of 8-hydroxyquinoline from 0.5 to 2.0 wt%. However at a ligand concentration higher than 2.0 wt%, no significant change was observed in the metal rejection. The experimental results revealed that the metal rejection was decreased with an increase in metal ion concentration in the feed. Moreover the rejection depended on feed pH and is higher for elevated pH. By changing the temperature in the range of 23-28 degrees C, no considerable effect on metal rejection was observed. However, a higher temperature resulted in a decline in metal rejection. For filtration of a mixture of the two metal ions, the retention was similar to that of the single cations, i.e. Cd > Ni but with smaller absolute rejections.
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Affiliation(s)
- Sayed Siavash Madaeni
- Membrane Research Centre, Department of Chemical Engineering, Razi University, Kermanshah, Iran.
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Acylation de la cellulose par le chlorhydrate de chlorure de 3-pyridinoyl : application dans l’adsorption du plomb Pb2+. CR CHIM 2011. [DOI: 10.1016/j.crci.2011.01.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Capasso R, De Martino A. Polymerin and lignimerin, as humic acid-like sorbents from vegetable waste, for the potential remediation of waters contaminated with heavy metals, herbicides, or polycyclic aromatic hydrocarbons. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:10283-10299. [PMID: 20828126 DOI: 10.1021/jf101574r] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Polymerin is a humic acid-like polymer, which we previously recovered for the first time from olive oil mill waste waters (OMWW) only, and chemically and physicochemically characterized. We also previously investigated its versatile sorption capacity for toxic inorganic and organic compounds. Therefore, a review is presented on the removal, from simulated polluted waters, of cationic heavy metals [Cu(II), Zn, Cr(III)] and anionic ones [Cr(VI)) and As(V)] by sorption on this natural organic sorbent in comparison with its synthetic derivatives, K-polymerin, a ferrihydrite-polymerin complex and with ferrihydrite. An overview is also performed of the removal of ionic herbicides (2,4-D, paraquat, MCPA, simazine, and cyhalofop) by sorption on polymerin, ferrihydrite, and their complex and of the removal of phenanthrene, as a representative of polycyclic aromatic hydrocarbons, by sorption on this sorbent and its complexes with micro- or nanoparticles of aluminum oxide, pointing out the employment of all these sorbents in biobed systems, which might allow the remediation of water and protection of surface and groundwater. In addition, a short review is also given on the removal of Cu(II) and Zn from simulated contaminated waters, by sorption on the humic acid-like organic fraction, named lignimerin, which we previously isolated for the first time, in collaboration with a Chilean group, from cellulose mill Kraft waste waters (KCMWW) only. More specifically, the production methods and the characterization of the two natural sorbents (polymerin and lignimerin) and their derivatives (K-polymerin ferrihydrite-polymerin, polymerin-microAl(2)O(3) and -nanoAl(2)O(3), and H-lignimerin, respectively) as well as their sorption data and mechanism are reviewed. Published and original results obtained by the cyclic sorption on all of the considered sorbents for the removal of the above-mentioned toxic compounds from simulated waste waters are also reported. Moreover, sorption capacity and mechanism of the considered compounds on polymerins and lignimerins are evaluated in comparison with other known natural sorbents, especially of humic acid nature and other organic matter. Some of their technical aspects and relative costs are also considered. Finally, the possible large-scale application of the considered sorption systems for water remediation is briefly discussed.
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Affiliation(s)
- Renato Capasso
- Department of Soil, Plant, Environment and Animal Productions Sciences, Agriculture Faculty, University of Naples Federico II, Via Università 100, 80055 Portici, Naples, Italy.
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Li H, Lin Y, Guan W, Chang J, Xu L, Guo J, Wei G. Biosorption of Zn(II) by live and dead cells of Streptomyces ciscaucasicus strain CCNWHX 72-14. JOURNAL OF HAZARDOUS MATERIALS 2010; 179:151-159. [PMID: 20307931 DOI: 10.1016/j.jhazmat.2010.02.072] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2009] [Revised: 01/27/2010] [Accepted: 02/22/2010] [Indexed: 05/29/2023]
Abstract
The biosorption characteristics of Zn(II) using live and dead cells of Streptomyces ciscaucasicus strain CCNWHX 72-14 as biosorbents have been investigated in the present research. Optimum conditions for biosorption were determined to be: pH adjusted to 5.0, agitated at 90 rpm and at a dose of 2 g/L. For initial zinc concentrations of 1-150 mg/L, batch biosorption data of live biomass preferred to be simulated with Freundlich model while those of dead strain fit Langmuir isotherm well. Experimental maximum biosorption capacity turned out to be 42.75 mg/g (0.654 mmol/g) for living material and 54 mg/g (0.826 mmol/g) for dead sorbents, respectively. The pseudo-second-order equation, instead of the pseudo-first-order one, was chosen to describe the time course biosorption process. In contrast to live biosorbents, dead biomass seemed to have lower binding strength with higher desorption efficiency at pH 1.0. Competitive biosorption revealed the order of competing metal ion to be: Cu(2+)>Cd(2+)>Ni(+). FT-IR analysis indicated that more functional groups were involved in the biosorption process of dead adsorbents, compared with those linked to live biomass. Taken together, it can be concluded that dead cells of CCNWHX 72-14 were better and cheaper biosorbents than live ones.
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Affiliation(s)
- Huifen Li
- College of Life Sciences, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Northwest A & F University, Yangling, Shaanxi 712100, China
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Reyes I, Villarroel M, Diez MC, Navia R. Using lignimerin (a recovered organic material from Kraft cellulose mill wastewater) as sorbent for Cu and Zn retention from aqueous solutions. BIORESOURCE TECHNOLOGY 2009; 100:4676-4682. [PMID: 19482471 DOI: 10.1016/j.biortech.2009.03.080] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2008] [Revised: 03/02/2009] [Accepted: 03/02/2009] [Indexed: 05/27/2023]
Abstract
Adsorption of copper and zinc in lignimerin (an organic material mainly composed by lignin, carbohydrate fragments and some extractives) and its acid derivative (H-lignimerin), recovered from Kraft cellulose mill wastewater was examined. A Box-Behnken experiment design, used to optimize lignimerin recovery process, revealed that the type of solvent used for precipitation is a determining factor in the amount of substance obtained. Conversely, batch adsorption studies at pH 4.0 revealed that the maximum adsorption capacities, modeled by the Langmuir equation, were 666.7 and 370.4 mmol kg(-1) for Cu(II) and Zn(II), respectively in lignimerin and 232.6 and 312.5 mmol kg(-1) for Cu(II) and Zn(II), respectively in H-lignimerin. The adsorption of Cu(II) and Zn(II) through deprotonated hydroxyl and carboxylic groups was the dominant mechanism that may explain the adsorption in both materials. The adsorption capacities indicated that lignimerin, with a molecular mass between 50 and 70 kDa, has a potential use as an organic sorbent for removing copper and zinc from liquid resources.
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Affiliation(s)
- I Reyes
- Magister en Ciencias de la Ingeniería mención Biotecnología, Universidad de La Frontera, Casilla 54-D, Temuco, Chile
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Pejic B, Vukcevic M, Kostic M, Skundric P. Biosorption of heavy metal ions from aqueous solutions by short hemp fibers: Effect of chemical composition. JOURNAL OF HAZARDOUS MATERIALS 2009; 164:146-153. [PMID: 18778893 DOI: 10.1016/j.jhazmat.2008.07.139] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2008] [Revised: 06/17/2008] [Accepted: 07/31/2008] [Indexed: 05/26/2023]
Abstract
Sorption potential of waste short hemp fibers for Pb(2+), Cd(2+) and Zn(2+) ions from aqueous media was explored. In order to assess the influence of hemp fiber chemical composition on their heavy metals sorption potential, lignin and hemicelluloses were removed selectively by chemical modification. The degree of fiber swelling and water retention value were determined in order to evaluate the change in accessibility of the cell wall components to aqueous solutions due to the fiber modification. The effects of initial ion concentration, contact time and cosorption were studied in batch sorption experiments. The obtained results show that when the content of either lignin or hemicelluloses is progressively reduced by chemical treatment, the sorption properties of hemp fibers are improved. Short hemp fibers are capable of sorbing metal ions (Pb(2+), Cd(2+) and Zn(2+)) from single as well as from ternary metal ion solutions. The maximum total uptake capacities for Pb(2+), Cd(2+) and Zn(2+) ions from single solutions are the same, i.e. 0.078mmol/g, and from ternary mixture 0.074, 0.035 and 0.035mmol/g, respectively.
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Affiliation(s)
- Biljana Pejic
- Department of Textile Engineering, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia.
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Burke AM, Hanrahan JP, Healy DA, Sodeau JR, Holmes JD, Morris MA. Large pore bi-functionalised mesoporous silica for metal ion pollution treatment. JOURNAL OF HAZARDOUS MATERIALS 2009; 164:229-234. [PMID: 18804910 DOI: 10.1016/j.jhazmat.2008.07.146] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2008] [Revised: 07/30/2008] [Accepted: 07/31/2008] [Indexed: 05/26/2023]
Abstract
Here we demonstrate aminopropyl and mercatopropyl functionalised and bi-functionalised large pore mesoporous silica spheres to extract various metal ions from aqueous solutions towards providing active sorbents for mitigation of metal ion pollution. Elemental analysis (EA) and FTIR techniques were used to quantify the attachment of the aminopropyl and mercatopropyl functional groups to the mesoporous silica pore wall. Functionalisation was achieved by post-synthesis reflux procedures. For all functionalised silicas the functionalisation refluxing does not alter particle morphology/agglomeration of the particles. It was found that sorptive capacities of the mesoporous silica towards the functional groups were unaffected by co-functionalisation. Powder X-ray diffraction (PXRD) and nitrogen adsorption techniques were used to establish the pore diameters, packing of the pores and specific surface areas of the modified mesoporous silica spheres. Atomic absorption (AA) spectroscopy and inductively coupled plasma-atomic emission spectrometry (ICP-AES) techniques were used to measure the extraction efficiencies of each metal ion species from solution at varying pHs. Maximum sorptive capacities (as metal ions) were determined to be 384micromolg(-1) for Cr, 340micromol g(-1) for Ni, 358micromol g(-1) for Fe, 364micromol g(-1) for Mn and 188micromol g(-1) for Pd.
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Affiliation(s)
- Aoife M Burke
- Department of Chemistry, Materials Section and Supercritical Fluid Centre, University College Cork, Cork, Ireland
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Guo X, Zhang S, Shan XQ. Adsorption of metal ions on lignin. JOURNAL OF HAZARDOUS MATERIALS 2008; 151:134-42. [PMID: 17587495 DOI: 10.1016/j.jhazmat.2007.05.065] [Citation(s) in RCA: 278] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2006] [Revised: 05/21/2007] [Accepted: 05/22/2007] [Indexed: 05/11/2023]
Abstract
This study investigated the adsorption of the heavy metal ions Pb(II), Cu(II), Cd(II), Zn(II), and Ni(II) on a lignin isolated from black liquor, a waste product of the paper industry. Lignin has affinity with metal ions in the following order: Pb(II)>Cu(II)>Cd(II)>Zn(II)>Ni(II). The adsorption kinetic data can be described well with a pseudosecond-order model and the equilibrium data can be fitted well to the Langmuir isotherm. Metal ion adsorption was strongly dependent on pH and ionic strength. Surface complexation modelling was performed to elucidate the adsorption mechanism involved. This shows that lignin surfaces contain two main types of acid sites attributed to carboxylic- and phenolic-type surface groups and the phenolic sites have a higher affinity for metal ions than the carboxylic sites.
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Affiliation(s)
- Xueyan Guo
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, P.O. Box 2871, Beijing 100085, China
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