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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Mineral element and heavy metal poisoning in animals
TL;DR: In this paper, the authors reviewed mineral element doses that some authors considered toxic for animals intake, as its concentration in tissues of poisoned animals and its physiological effects, symptoms, diagnostic procedures and treatment for poisoning by cadmium, lead, copper, chromium, iodine, manganese, molybdenum, selenium and zinc.
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Comparative study of adsorptive removal of Cr(VI) ion from aqueous solution in fixed bed column by peanut shell and almond shell using empirical models and ANN
TL;DR: These adsorbents have an excellent potential and are useful for water treatment particularly small- and medium-sized industries of third world countries, as breakthrough time and exhaustion time are longer in comparison to peanut shell.
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Study of Mo (VI) removal from aqueous solution: application of different mathematical models to continuous biosorption data
TL;DR: Molybdenum (VI) biosorption process was investigated by marine algae Cystoseria indica pretreated with 0.1 M CaCl2 solution in a packed bed column and the breakthrough curve predictions by Belter model were found to be very satisfactory.
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Removal of Cr(VI) from Its Aqueous Solution Using Green Adsorbent Pistachio Shell: a Fixed Bed Column Study and GA-ANN Modeling
TL;DR: Yan et al. as mentioned in this paper used pistachio shells as green and eco-friendly adsorbent for Cr(VI) adsorption, and applied GA-ANN hybrid model to predict the percentage removal.
Journal ArticleDOI
Removal of chromium(VI) from aqueous solutions using rubber leaf powder: batch and column studies
TL;DR: In this paper, the effects of pH, adsorbent dose, contact time, initial metal ion concentration, and temperature on removal of chromium(VI) were studied in batch process.