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Balendu Shekher Giri, Mandavi Goswami, Prabhat Kumar, Rahul Yadav, Neha Sharma, Ravi Kumar Sonwani, Sudeep Yadav, Rajendra Prasad Singh, Eldon R. Rene, Preeti Chaturvedi and Ram Sharan Singh
Biochar prepared from Sterculia alata fruit shell showed a better performance for dye removal than the biomass from Sterculia alata fruit shell. The important process parameters?namely the pH, the amount of biochar, the initial dye concentration and the ...
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Zsanett Dorkó, Anett Szakolczai, Blanka Tóth, George Horvai
Pág. 10 - 14
If the measured isotherm data of an adsorption system are well described by the Freundlich equation, then they can similarly well be described by the bi-Langmuir or tri-Langmuir model in most practical cases. This is proved by Monte Carlo simulation and ...
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Ezlina Othman, Mohd Suffian Yusoff, Hamidi Abdul Aziz, Mohd Nordin Adlan, Mohammed J. K. Bashir and Yung-Tse Hung
This study examines the suitability of natural silica sand as a low-cost adsorbent for the removal of ammoniacal nitrogen and heavy metals, particularly iron and zinc, from semi-aerobic stabilized landfill leachate. Leachate samples were collected from t...
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Sefiu Olaitan Amusat, Temesgen Girma Kebede, Edward Ndumiso Nxumalo, Simiso Dube and Mathew Muzi Nindi
The modification of pristine biochar derived from the waste of sweet prickly pear using the green modification method to produce nano-sized biochar (nanobiochar) for the removal of steroidal hormones and heavy metals from water and wastewater is reported...
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Siti Sarah,Adisalamun Adisalamun,Darmadi Darmadi,Suraiya Kamaruzzaman,Abrar Muslim,Saiful Saiful
Pág. 27 - 37
This paper proposed adsorbent development by synthesizing polyurethane foam (PUF) using a simple method, mixing polyol with isocyanate and adding fillers of bentonite and magnetite to the PUF matrix. The study's main objective was to produce a PUF-based ...
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Hyunjoon Kim, Ryun-Ah Ko, Sungyun Lee and Kangmin Chon
The purpose of this study was to compare the removal efficiencies of manganese (Mn) and iron (Fe) using pristine banana peel biochar (BPB) and phosphoric acid pre-treated biochars (PBPB) derived from banana peels. The removal efficiencies of Mn and Fe we...
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Hebatullah H. Farghal, Marianne Nebsen and Mayyada M. H. El-Sayed
In this work, we develop chitosan/xylan-coated magnetite (CsXM) nanoparticles as eco-friendly efficient adsorbents for the facile removal of contaminants from water. Characterization of CsXM using Fourier Transform Infra-Red (FTIR) Spectroscopy, Scanning...
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Arestha Leo Lita, Endar Hidayat, Nur Maisarah Mohamad Sarbani, Hiroyuki Harada, Seiichiro Yonemura, Yoshiharu Mitoma, Herviyanti and Gusmini
Glyphosate is an herbicide that is usually used by farmers and is considered harmful to the environment in excess amounts. To address these issues, coffee-husk-biochar-loaded Fe3O4 (CHB- Fe3O4) was used as an adsorbent to remove glyphosate from water. CH...
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Chairunnisa Chairunnisa, Yuni Lisafitri, Mariyam Mariyam
Pág. 50 - 56
In this study, activated cassava leaves were prepared using NaCl (CLN) and KOH (CLK) as novel and low-cost materials for removing dyes from water. The prepared materials were characterized using Fourier transform infrared spectroscopy (FTIR) and scanning...
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Chairunnisa Chairunnisa, Yuni Lisafitri, Mariyam Mariyam
Pág. 50 - 56
In this study, activated cassava leaves were prepared using NaCl (CLN) and KOH (CLK) as novel and low-cost materials for removing dyes from water. The prepared materials were characterized using Fourier transform infrared spectroscopy (FTIR) and scanning...
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Oviyanti Mulyani, Benny Joy and Dikdik Kurnia
In recent years, the application of cow manure waste as an adsorbent of heavy metals in water and soil has increased. The analysis of the most effective adsorbents from cow manure as materials that can reduce heavy metals, while being low-cost and easy t...
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Monireh Rahimi, Jafar Mahmoudi
Pág. 106 - 115
Removal of heavy metals including Pb, Co, Cr and Zn from an aqueous solution was investigated using modified clinoptilolite zeolites as adsorbents. The adsorbents were characterized by X-ray, FTIR, SEM and BET. The central composite design defined under ...
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Fabian Audu Ugbe, Patrick Onuh Anebi, Victoria Abiola Ikudayisi
Pág. 14 - 19
Eosin Yellow (EY), an anionic dye (acid dye) was adsorbed using an agricultural waste, pineapple peels (PP) as bio-sorbent in order to investigate its suitability as an alternative adsorbent, and to give insight into the mechanisms of binding. The study ...
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Marton Czikkely, Eva Neubauer, Ilona Fekete, Prespa Ymeri and Csaba Fogarassy
Heavy metal contamination of natural rivers and wastewaters is a problem for both the environment and human society. The accumulation and adsorption of heavy metals could happen with several organic and inorganic matters, but the most used adsorbents are...
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Andressa Colussi Honorato, Renan Buque Pardinho, Douglas Cardoso Dragunski, Affonso Celso Gonçalves Junior, Josiane Caetano
Pág. 97 - 102
This study evaluated the adsorption capacity of the methylene blue dye in macadamia residues, in natura and chemically modified. The waste characterization was performed using SME and spectroscopy in the infrared region, indicating the presence of carbox...
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Budi Setiawan,Suci Prihastuti,Setyo S. Moersidik
Pág. 107 - 115
The objective of this work is to characterize the specific of distribution coefficient (Kd) values of 137Cs onto Karawang?s clay for radioactive waste disposal facility purpose. Sorption phenomena was affected by contact time, ionic strength and loaded c...
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Xunjun Chen
Adsorption is considered to be one of the most effective technologies widely used in global environmental protection areas. Modeling of experimental adsorption isotherm data is an essential way for predicting the mechanisms of adsorption, which will lead...
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Jun Tan, Xiaoyan Wei, Yuxia Ouyang, Juhong Fan, Rui Liu
Pág. 131 - 139
Starch-grafted polyacrylamide (SA) and cross-linked starch-grafted polyacrylamide (CSA) had been synthesized via grafting polymerization from corn starch and used as adsorbents for the removal of Cu(II) ion from aqueous solution. The equilibrium, kinetic...
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Abeer S. Aloufi, Bahja Al Riyami, Mustafa A. Fawzy, Hatim M. Al-Yasi, Mostafa Koutb and Sedky H. A. Hassan
The release of heavy metals into the environment as a result of industrial and agricultural activities represents one of the century?s most significant issues. Cobalt is a hazardous metal that is employed in a variety of industries. In this study, respon...
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Aminur Rahman
This study explores the potential of modified shrimp-based chitosan (MSC) as an innovative adsorbent for eliminating heavy metals (HMs) from contaminated water sources. The modifications encompassed various chemical treatments, surface functionalization,...
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