Journal ArticleDOI
Cr(VI) adsorption by a green adsorbent walnut shell: Adsorption studies, regeneration studies, scale-up design and economic feasibility
TLDR
In this paper, a scale-up design for Cr(VI) removal using walnut shell as an adsorbent and its economic feasibility are done to find out its applicability in real life.About:
This article is published in Process Safety and Environmental Protection.The article was published on 2018-05-01. It has received 90 citations till now. The article focuses on the topics: Adsorption & Langmuir adsorption model.read more
Citations
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Journal ArticleDOI
Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations
Zichao Li,Hassan Hanafy,Hassan Hanafy,Lei Zhang,Lotfi Sellaoui,Matias Schadeck Netto,Marcos L.S. Oliveira,Moaaz K. Seliem,Guilherme Luiz Dotto,Adrian Bonilla-Petriciolet,Qun Li +10 more
TL;DR: In this article, the adsorption of congo red and methylene blue dyes in aqueous solution were characterized via XRD, FTIR and SEM techniques and the dye isotherms at three temperatures were quantified.
Journal ArticleDOI
Effects of operating parameters and coexisting ions on the efficiency of heavy metal ions removal by nano-fibrous metal-organic framework membrane filtration process.
TL;DR: Results from the filtration experiments indicate a substantial variation in the feed volume that the membrane can treat before the permeate lead concentration reaches the allowable limit of 10 ppb, depending on the process parameter.
Journal ArticleDOI
Walnut Fruit Processing Equipment: Academic Insights and Perspectives
Liu Mingzheng,Li Changhe,Chengmao Cao,Liqiang Wang,Li Xinping,Che Ji,Yang Huimin,Zhang Xiaowei,Zhao Huayang,He Guangzan,Liu Xiangdong +10 more
TL;DR: In this paper, a detailed analysis of the current situation and the development of devices required for each link in the preliminary processing of walnut is discussed, and the working mechanism of each link type and its influence on the design of a corresponding device are summarized.
Journal ArticleDOI
Preparation and characterization of porous chitosan microspheres and adsorption performance for hexavalent chromium.
TL;DR: Porous chitosan microspheres provided adsorption sites of the amino and hydroxyl groups for the removal of Cr(VI) in detailed analysis of scanning electron microscopy, porosity and Fourier transform infrared spectra.
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A highly efficient conditioning process to improve sludge dewaterability by combining calcium hypochlorite oxidation, ferric coagulant re-flocculation, and walnut shell skeleton construction
Jialin Liang,Jinjia Huang,Siwei Zhang,Xian Yang,Shaosong Huang,Li Zheng,Maoyou Ye,Shuiyu Sun +7 more
TL;DR: In this article, the authors applied a sludge conditioning process involving calcium hypochlorite (Ca(ClO)2) oxidation, ferric coagulant re-flocculation, and walnut shell skeleton construction to remove extracellular polymeric substances (EPS) and bound water in sludge.
References
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Journal ArticleDOI
Potential of using green adsorbent of heavy metal removal from aqueous solutions: Adsorption kinetics, isotherm, thermodynamic, mechanism and economic analysis
TL;DR: In this article, a batch adsorption system was used for the removal of copper ions from aqueous solutions using a local natural abundant agricultural waste in Egypt, where the peanut hull was used as an adsorbent without any chemical or physical treatment.
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Adsorption of methylene blue by phoenix tree leaf powder in a fixed-bed column: experiments and prediction of breakthrough curves
Runping Han,Runping Han,Yu Wang,Xin Zhao,Yuanfeng Wang,Fuling Xie,Junmei Cheng,Mingsheng Tang +7 more
TL;DR: In this article, a continuous adsorption study in a fixed-bed column was carried out by using phoenix tree leaf powder as an adsorbent for the removal of methylene blue (MB) from aqueous solution.
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Adsorption of hexavalent chromium from aqueous solution by modified corn stalk: A fixed-bed column study
TL;DR: The MCS column study states the value of the excellent adsorption capacity for the removal of Cr(VI) from aqueous solution that is useful for process design.
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Adsorption of Cr(VI) on activated rice husk carbon and activated alumina
TL;DR: The amounts of Cr(VI) adsorbed increased with increase in dose of both adsorbents and their contact time, and the maximum removal occurred at pH 2 by activated rice husk and at pH 4 by activated alumina.
Journal ArticleDOI
Green Adsorbents for Wastewaters: A Critical Review.
TL;DR: This review is a critical approach to green adsorbents, discussing many different topics such as: adsorption capacity; kinetic modeling; critical techno-economical data of green adsOrption processes in order to scale-up experiments with economic analysis and perspectives of the use of green Adsorbents.