Separation Science and Technology最新文献_第6页

Facile approach for novel TFC-NF membranes preparation using water soluble poly(vinyl alcohol-co-styrenesulfonic acid) and their characterizations 水溶性聚乙烯醇-co-苯乙烯磺酸制备新型TFC-NF膜的简易方法及其表征

IF 2.8 4区工程技术

Separation Science and Technology Pub Date : 2023-07-25 DOI: 10.1080/01496395.2023.2240500

Rikarani R Choudhury, J. Gohil, H. Raval

引用次数: 0

Separation of fluoride in the presence of large amounts of organic acids by ion chromatography 离子色谱法在存在大量有机酸的情况下分离氟化物

IF 2.8 4区工程技术

Separation Science and Technology Pub Date : 2023-07-25 DOI: 10.1080/01496395.2023.2240494

C. Arul Suganthi, V. Raut, N. K. Bharti, U. K. Thakur, P. Sri Renganathan, S. Jeyakumar, M. K. Saxena

引用次数: 0

Acid gas preparation for enhanced oil recovery: techno-economic analysis of different dehydration processes 提高采收率的酸气制备:不同脱水工艺的技术经济分析

IF 2.8 4区工程技术

Separation Science and Technology Pub Date : 2023-07-24 DOI: 10.1080/01496395.2023.2219379

H. Nikkhah, A. Nikkhah, Y. Ghalavand

引用次数: 3

The improvement in whiteness index of calcite tailings using attrition-scrubbing process 磨洗法提高方解石尾矿白度指标

IF 2.8 4区工程技术

Separation Science and Technology Pub Date : 2023-07-24 DOI: 10.1080/01496395.2023.2219380

Bancha Wongkaewphothong, Chinawich Kertbundit, Palot Srichonphaisan, Pongsiri Julapong, P. Homchuen, O. Juntarasakul, K. Maneeintr, C. Tabelin, A. Numprasanthai, S. Saisinchai, T. Phengsaart

{"title":"The improvement in whiteness index of calcite tailings using attrition-scrubbing process","authors":"Bancha Wongkaewphothong, Chinawich Kertbundit, Palot Srichonphaisan, Pongsiri Julapong, P. Homchuen, O. Juntarasakul, K. Maneeintr, C. Tabelin, A. Numprasanthai, S. Saisinchai, T. Phengsaart","doi":"10.1080/01496395.2023.2219380","DOIUrl":"https://doi.org/10.1080/01496395.2023.2219380","url":null,"abstract":"ABSTRACT Calcium carbonate (CaCO3) is an essential mineral critical for various applications in many industries like plastic, rubber, paint, and paper manufacturing. However, salable CaCO3 products need to meet specific requirements. For the paint and paper manufacturing industries, the whiteness index (WI) of CaCO3 is an important property because it strongly influences the final color of paper and paint products. In this study, the effects of retention time and pulp density on the WI after attrition-scrubbing of calcite tailings were investigated. To increase the whiteness index, an attrition scrubber was used to remove impurities on the CaCO3 surface with different pulp densities—40, 45, 50, 55, 60, and 70% solids—and retention time—10, 15, 20, and 25 min—as process variables. The results of laboratory-scale experiments found that the attrition-scrubbing process improved the whiteness index of CaCO3 tailings and reduced its iron content. The optimum condition was at the pulp density of 55% solids, which was used in the pilot-scale experiments. The results of the pilot-scale tests were consistent with the laboratory-scale, indicating that the attrition-scrubbing process can be used to improve the quality of CaCO3 tailings.","PeriodicalId":21680,"journal":{"name":"Separation Science and Technology","volume":"34 1","pages":"2077 - 2085"},"PeriodicalIF":2.8,"publicationDate":"2023-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86898463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exploring the effect of aeration intensity on a modified PVDF-PEG membrane incorporated with nano-MgO: antifouling and AnT-POME treatment 探讨曝气强度对纳米氧化镁改性PVDF-PEG膜的防污和抗聚甲醛处理的影响

IF 2.8 4区工程技术

Separation Science and Technology Pub Date : 2023-07-16 DOI: 10.1080/01496395.2023.2237181

H. Man, Mohammed Abdulsalam, Fikri Ahmad Abdullahi, Murni Marlina Abd-Karim, Khairul Faezah Yunos, M. Aida Isma

{"title":"Exploring the effect of aeration intensity on a modified PVDF-PEG membrane incorporated with nano-MgO: antifouling and AnT-POME treatment","authors":"H. Man, Mohammed Abdulsalam, Fikri Ahmad Abdullahi, Murni Marlina Abd-Karim, Khairul Faezah Yunos, M. Aida Isma","doi":"10.1080/01496395.2023.2237181","DOIUrl":"https://doi.org/10.1080/01496395.2023.2237181","url":null,"abstract":"ABSTRACT Aeration effects on membrane filtration of wastewater remain partially explored, as lesser or excessive application often aggravates the fouling. Furthermore, most polymeric membranes are hydrophobic, which facilitates the deposition of foulants and layer formation. There is a need for further investigation on the use of aeration and membrane modifications with a better antifouling property. This study focused on investigating the influence of aeration intensity on the antifouling performance of a modified co-polymerized polyvinylidene-fluoride (PVDF-PEG) fiber using a hydrophilic nano-MgO to treat anaerobically digested palm oil mill effluent (AnT-POME). The aeration intensity was varied to three levels (3,4,5Lmin-1). Both neat and modified membranes obtained their best AnT-POME permeate flux at 4Lmin-1 with a relatively stable value of 28.67 and 89.85 Lm-2 h-1 after 5 h filtration, respectively. The irreversible fouling percentage (IFP) for the neat and modified membrane at 4Lmin-1 aeration intensity, was 66.67% and 12.42%, respectively. This indicates that the neat membrane is more susceptible to fouling. To investigate the changes in the membranes, the fouled membranes were characterized using SEM, FTIR and porosity, then compared with that of the pristine samples. Cake-scaly layers were noticed on the neat membrane. Additionally, both membranes successfully reduced the COD, TDS, TSS, and TN above 60%. GRAPHICAL ABSTRACT","PeriodicalId":21680,"journal":{"name":"Separation Science and Technology","volume":"3 1","pages":"2189 - 2207"},"PeriodicalIF":2.8,"publicationDate":"2023-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82002817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Highly selective separation of plutonium using a mono-amide-based supported liquid membrane 利用单酰胺基支撑液膜对钚进行高选择性分离

IF 2.8 4区工程技术

Separation Science and Technology Pub Date : 2023-07-16 DOI: 10.1080/01496395.2023.2232536

Sumana Paul, B. G. Vats, Preeti G. Goswami, K. Sasi Bhushan

引用次数: 0

Simplified solvent extraction process for high-purity Ni/Co mixed solution for lithium–ion batteries 锂离子电池用高纯镍钴混合溶液的简化溶剂萃取工艺

IF 2.8 4区工程技术

Separation Science and Technology Pub Date : 2023-07-16 DOI: 10.1080/01496395.2023.2232094

Gogwon Choe, Y. Lim, Younghyun Kim, Go-Gi Lee, Yong‐Tae Kim

{"title":"Simplified solvent extraction process for high-purity Ni/Co mixed solution for lithium–ion batteries","authors":"Gogwon Choe, Y. Lim, Younghyun Kim, Go-Gi Lee, Yong‐Tae Kim","doi":"10.1080/01496395.2023.2232094","DOIUrl":"https://doi.org/10.1080/01496395.2023.2232094","url":null,"abstract":"ABSTRACT The demands for Ni-based raw materials increase as Ni–Co–Mn ternary cathode materials become the main axis of the battery industry. Conventional hydrometallurgical process to produce raw materials from Ni ore for battery application is as follows: (i) leaching of metal ions by acid, (ii) solvent extraction process to extract target metals, and (iii) crystallization process to produce final single-metal compound as powder products. The conventional solvent extraction process is a three-circuit process comprising impurity removal, Co extraction, and Ni extraction circuits. Unlike conventional process, in this work, we suggest a simplified two-circuit process to simultaneously extract Ni and Co to produce Ni/Co mixed solution for cathode material precursor production. Accordingly, the efficiency of site utilization can be maximized by reducing the investment cost for the manufacturing process and downsizing mixer-settler facilities. Further, eco-friendly effects such as reducing the consumption of titrants and cutting down the process costs and wastewater discharge can be realized.","PeriodicalId":21680,"journal":{"name":"Separation Science and Technology","volume":"33 1","pages":"2115 - 2122"},"PeriodicalIF":2.8,"publicationDate":"2023-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89293230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Selective extraction of molybdenum (VI) with novel ionic liquid from nitric acid solution 新型离子液体从硝酸溶液中选择性萃取钼(VI)

IF 2.8 4区工程技术

Separation Science and Technology Pub Date : 2023-07-11 DOI: 10.1080/01496395.2023.2232099

Sherien Emam, E. M. A. Elgoud, A. Abd-Elhamid, H. Aly

{"title":"Selective extraction of molybdenum (VI) with novel ionic liquid from nitric acid solution","authors":"Sherien Emam, E. M. A. Elgoud, A. Abd-Elhamid, H. Aly","doi":"10.1080/01496395.2023.2232099","DOIUrl":"https://doi.org/10.1080/01496395.2023.2232099","url":null,"abstract":"ABSTRACT The novel ionic liquid [Aliq–336]+[HCit]− is produced by the reaction of tricaprylylmethyl ammonium chloride, Aliq–336, and tri-sodium citrate. In this investigation, the extraction of Mo(VI) from the nitric acid solution using ([Aliq-336]+[HCit]−) ionic liquid in toluene as a diluent was studied. The effects of various parameters on the extraction process such as shaking time, nitric acid concentration, ionic liquid concentration, hydrogen ion, nitrate ion, Mo(VI) concentration as well as temperature were evaluated. The loading capacity of the prepared ionic liquid was 0.078 mole of Mo(VI) per mole [Aliq-336]+[HCit]−. On the basis of IR spectra and the slope analysis method, the installation of the expected extracted metal species in the organic phase was found to be . As well, the average conditional extraction constant (KCex) for Mo(VI) extraction was 45.96 ± 3.5. The stripping percent of Mo(VI) reached the maximum value (exceeding 99.0%) with 0.5 mol/L sodium acetate as well as 1.0 mol/L of different mineral acids. Based on the obtained results, the prepared ionic liquid in toluene could be used for the effective extraction of molybdenum (VI) from a synthetic mixture of different metal ions found in fission products.","PeriodicalId":21680,"journal":{"name":"Separation Science and Technology","volume":"1 1","pages":"2123 - 2137"},"PeriodicalIF":2.8,"publicationDate":"2023-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88103694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Liquid-liquid equilibria of ternary mixtures containing Aniline + Toluene + water at elevated temperatures: measurements and correlation 苯胺+甲苯+水三元混合物在高温下的液-液平衡:测量和相关性

IF 2.8 4区工程技术

Separation Science and Technology Pub Date : 2023-07-09 DOI: 10.1080/01496395.2023.2232104

S. Gaikwad, Abhishek A. Pathak, D. Mote, P. Gogate, Shivani Singh, Bharat Modhera

引用次数: 0

Improving xanthate flotation of fine pyrite using SPAM and the mechanism SPAM改进黄原药浮选细粒黄铁矿及其机理

IF 2.8 4区工程技术

Separation Science and Technology Pub Date : 2023-07-09 DOI: 10.1080/01496395.2023.2232942

Yunlou Qian, Dan Zou, Renfan Chen, Xiaolong Huang, Zhen Wang

{"title":"Improving xanthate flotation of fine pyrite using SPAM and the mechanism","authors":"Yunlou Qian, Dan Zou, Renfan Chen, Xiaolong Huang, Zhen Wang","doi":"10.1080/01496395.2023.2232942","DOIUrl":"https://doi.org/10.1080/01496395.2023.2232942","url":null,"abstract":"ABSTRACT This paper focuses on the promotion mechanism of sulfonated polyacrylamide (SPAM) on SBX flotation performance on fine pyrite, and verifies the positive effect for a gold ore with pyrite as the main Au-bearing mineral. Micro flotation showed that fine pyrite (−26 + 15 μm) floated poorly compared with coarser ones (−74 + 38 μm), and this cannot be completely filled through increasing the SBX dosage; however, by adding moderate SPAM into the pulp after SBX the flotation of fine pyrite was obviously improved. The real ore flotation revealed that SPAM decreased total reagent dosage and improvement on the concentrate indexes. SBX/SPAM system enabled faster settlement of fine pyrite compared with only SBX or SPAM system, indicating that larger particle size was obtained through hydrophobic and bridging flocculation. Zeta potential results showed that the pre-adsorbed SBX had little effect on the further adsorption of SPAM. Contact angle measurements suggested that the addition of moderate SPAM (50 μg/L) had almost no effect on pyrite surface hydrophobicity, illustrating that SPAM just bridged different fine particles adsorbed SBX rather that covered them. FTIR results showed that the amount of SPAM participating in bridging action was few.","PeriodicalId":21680,"journal":{"name":"Separation Science and Technology","volume":"2 1","pages":"2208 - 2216"},"PeriodicalIF":2.8,"publicationDate":"2023-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86458189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0