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.
Journal ArticleDOI
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
Removal of Cr(VI) from wastewater using activated neem bark in a fixed-bed column: interference of other ions and kinetic modelling studies
Utkarsh Maheshwari,Suresh Gupta +1 more
TL;DR: In this article, the effect of initial Cr(VI) concentration, mass of adsorbent and flow rate on the breakthrough curve is studied, and the effect on the performance of the activated neem bark (ANB) for CrVI adsorption is also studied in the presence of Cu and Zn in the feed stream.
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Experimental Investigations and Theoretical Modeling Aspects in Column Studies for Removal of Cr(VI) from Aqueous Solutions Using Activated Tamarind Seeds
Suresh Gupta,B. V. Babu +1 more
TL;DR: In this paper, a fixed-bed adsorption column was used to evaluate the performance of the adsorbent developed from activated tamarind seeds for the removal of Cr(VI) from aqueous solutions and the results obtained are validated with a model developed in this study.
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Removal of Cr(VI) using co-immobilized activated carbon and Bacillus subtilis : fixed-bed column study
TL;DR: In this paper, the potential of co-immobilized (activated carbon and Bacillus subtilis) (CI) beads for the removal of Cr(VI) from aqueous solution was evaluated.
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Removal of Cr(VI) and Cu(II) ions from aqueous solution by rice husk ash—column studies
Shreyashi Sarkar,Sudip Kumar Das +1 more
TL;DR: In this paper, the technical feasibility of rice husk ash for adsorptive removal of Cr(VI) and Cu(II) is examined in packed bed from aqueous solutions.
Journal ArticleDOI
Bench-scale packed bed sorption of Cibacron blue F3GA using lucrative algal biomass
TL;DR: In this paper, a packed bed up-flow column was used for the analysis of Cibacron blue F3GA (Reactive Blue 2) onto Spirulina platensis.