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Study of gold leaching after oxidative roasting of refractory gold concentrate 难熔金精矿氧化焙烧后的金浸出研究
Chemical Engineering Pub Date : 2024-03-01 DOI: 10.31044/1684-5811-2024-25-3-106-112
L. M. Karimova, A.S. Korabayev, T. Oleinikova, I. Terentyeva, A.A. Magaz
{"title":"Study of gold leaching after oxidative roasting of refractory gold concentrate","authors":"L. M. Karimova, A.S. Korabayev, T. Oleinikova, I. Terentyeva, A.A. Magaz","doi":"10.31044/1684-5811-2024-25-3-106-112","DOIUrl":"https://doi.org/10.31044/1684-5811-2024-25-3-106-112","url":null,"abstract":"","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140276086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Purification of concentrated nickel chloride-sulfate solutions of «Kola MMC» JSC from impurities by solvent extraction 用溶剂萃取法净化 "Kola MMC "股份公司的氯化镍-硫酸盐浓溶液中的杂质
Chemical Engineering Pub Date : 2023-12-01 DOI: 10.31044/1684-5811-2023-24-12-463-469
A. Kasikov, L. V. Dyakova, Artyom Y. Sokolov
{"title":"Purification of concentrated nickel chloride-sulfate solutions of «Kola MMC» JSC from impurities by solvent extraction","authors":"A. Kasikov, L. V. Dyakova, Artyom Y. Sokolov","doi":"10.31044/1684-5811-2023-24-12-463-469","DOIUrl":"https://doi.org/10.31044/1684-5811-2023-24-12-463-469","url":null,"abstract":"The solvent extraction of Fe(III), Co(II), Cu(II), Zn(II) impurities from chloride-sulfate nickel solutions by individual extractants and mixtures based on a tertiary amine has been studied. Using an example of the extraction of cobalt(II), the influence of the type of modifier, concentration of the extractant, nature of the diluent for the extraction of impurities was determined. A technological scheme for the purification of nickel solutions from impurities was developed.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139191702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Production of Sea Buckthorn Oil by Extraction of Sea Buckthorn Fruit Pulp with Supercritical Carbon Dioxide Followed by Centrifugation 用超临界二氧化碳萃取沙棘果肉，然后离心分离，制取沙棘油
Chemical Engineering Pub Date : 2023-08-01 DOI: 10.31044/1684-5811-2023-24-8-293-299
O.I. Pokrovsky, D.V. Ovchinnikov, A. D. Ivakhnov, I.V. Chernyshev
{"title":"Production of Sea Buckthorn Oil by Extraction of Sea Buckthorn Fruit Pulp with Supercritical Carbon Dioxide Followed by Centrifugation","authors":"O.I. Pokrovsky, D.V. Ovchinnikov, A. D. Ivakhnov, I.V. Chernyshev","doi":"10.31044/1684-5811-2023-24-8-293-299","DOIUrl":"https://doi.org/10.31044/1684-5811-2023-24-8-293-299","url":null,"abstract":"A simple method for production of buckthorn buckthorn oil (Hippophae rhamnoides) with a total carotenoid content sufficient to meet the pharmacopoeial requirements for sea buckthorn oil used as a wound healing agent is proposed. The method is based on the extraction of dry pulp of sea buckthorn fruit with supercritical carbon dioxide at high pressures (50 MPa) to achieve a high content of carotenoids in the oil, followed by centrifugation to separate ballast solid wax fractions. Chromatographic and photometric analysis of the chemical composition of the oil confirm the prospects of this approach to obtaining sea buckthorn oil.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139352927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prospect of application of taurine in production of emulsion rubbers 牛磺酸在乳状橡胶生产中的应用前景
Chemical Engineering Pub Date : 2023-01-01 DOI: 10.31044/1684-5811-2023-24-6-216-221
V. A. Revina, V. Verezhnikov, I. Pugacheva, L. Molokanova, V. Sedykh, S. Nikulin
{"title":"Prospect of application of taurine in production of emulsion rubbers","authors":"V. A. Revina, V. Verezhnikov, I. Pugacheva, L. Molokanova, V. Sedykh, S. Nikulin","doi":"10.31044/1684-5811-2023-24-6-216-221","DOIUrl":"https://doi.org/10.31044/1684-5811-2023-24-6-216-221","url":null,"abstract":"","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73931064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of desiliconization conditions on the formation of wollastonite during lime autoclave leaching of silicon-titanium concentrates 硅钛精矿石灰釜浸出过程中脱硅条件对硅灰石形成的影响
Chemical Engineering Pub Date : 2023-01-01 DOI: 10.31044/1684-5811-2023-24-2-66-72
Y. Zablotskaya, G. B. Sadykhov, A.S. Tushilin, T. V. Olyunina
{"title":"Influence of desiliconization conditions on the formation of wollastonite during lime autoclave leaching of silicon-titanium concentrates","authors":"Y. Zablotskaya, G. B. Sadykhov, A.S. Tushilin, T. V. Olyunina","doi":"10.31044/1684-5811-2023-24-2-66-72","DOIUrl":"https://doi.org/10.31044/1684-5811-2023-24-2-66-72","url":null,"abstract":"","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76472768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Solvent extraction of molybdenum from nitric acid leaching solutions using CYANEX®600 使用CYANEX®600从硝酸浸出溶液中萃取钼
Chemical Engineering Pub Date : 2023-01-01 DOI: 10.31044/1684-5811-2023-24-7-274-280
L. M. Karimova, I. Terentyeva, T. O. Oleinikova
{"title":"Solvent extraction of molybdenum from nitric acid leaching solutions using CYANEX®600","authors":"L. M. Karimova, I. Terentyeva, T. O. Oleinikova","doi":"10.31044/1684-5811-2023-24-7-274-280","DOIUrl":"https://doi.org/10.31044/1684-5811-2023-24-7-274-280","url":null,"abstract":"","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75720346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Timely replacement of gas mask filters used by workers to protect from toxic gases (review) 及时更换工人使用的防毒面具过滤器，以防止有毒气体(审查)
Chemical Engineering Pub Date : 2023-01-01 DOI: 10.31044/1684-5811-2023-24-6-230-240
V. Kaptsov, V. Pankova
{"title":"Timely replacement of gas mask filters used by workers to protect from toxic gases (review)","authors":"V. Kaptsov, V. Pankova","doi":"10.31044/1684-5811-2023-24-6-230-240","DOIUrl":"https://doi.org/10.31044/1684-5811-2023-24-6-230-240","url":null,"abstract":"Assessing the service life of gas mask filters by subjective sensory response is unreliable and is prohibited in all developed countries. It is the employer's responsibility to determine the service life by another method, and to replace them on a schedule. Estimation of service life is done experimentally, or by mathematical modeling. End of Service Life Indicators are used very rarely.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83923236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Possibilities of instrumental neutron activation analysis for determination and monitoring of scandium extraction from TPP ash 仪器中子活化分析测定和监测TPP灰中钪萃取量的可能性
Chemical Engineering Pub Date : 2023-01-01 DOI: 10.31044/1684-5811-2023-24-4-142-150
S. Ivannikov, N. Markin, N. Polyakova, Y.I Shashina, D. Shlyk, L. A. Zemskova
{"title":"Possibilities of instrumental neutron activation analysis for determination and monitoring of scandium extraction from TPP ash","authors":"S. Ivannikov, N. Markin, N. Polyakova, Y.I Shashina, D. Shlyk, L. A. Zemskova","doi":"10.31044/1684-5811-2023-24-4-142-150","DOIUrl":"https://doi.org/10.31044/1684-5811-2023-24-4-142-150","url":null,"abstract":"The possibility of determining the scandium content in ash and slag waste and monitoring the effectiveness of operations in the ash processing by the method of instrumental neutron activation analysis was shown. The scandium content and elemental composition of ash and slag waste from thermal power plants and intermediate products of their processing are presented. An increased content of scandium in the magnetic fraction of ash was established.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89867799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recycling of Sludge Waste with Production Ceramic Materials 污泥废弃物与生产陶瓷材料的循环利用
Chemical Engineering Pub Date : 2023-01-01 DOI: 10.31044/1684-5811-2023-24-7-242-246
M. O. Moldurushku, N. Kopylov, B. K. Kara-sal
{"title":"Recycling of Sludge Waste with Production Ceramic Materials","authors":"M. O. Moldurushku, N. Kopylov, B. K. Kara-sal","doi":"10.31044/1684-5811-2023-24-7-242-246","DOIUrl":"https://doi.org/10.31044/1684-5811-2023-24-7-242-246","url":null,"abstract":"","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87535558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Regularities of extractive rectification of methanol—acetonitrile—tetrahydrofuran—water mixture at different pressures 不同压力下甲醇-乙腈-四氢呋喃-水混合物萃取精馏的规律
Chemical Engineering Pub Date : 2023-01-01 DOI: 10.31044/1684-5811-2023-24-4-151-159
D. A. Ryzhkin, V. Raeva, A. Frolkova
{"title":"Regularities of extractive rectification of methanol—acetonitrile—tetrahydrofuran—water mixture at different pressures","authors":"D. A. Ryzhkin, V. Raeva, A. Frolkova","doi":"10.31044/1684-5811-2023-24-4-151-159","DOIUrl":"https://doi.org/10.31044/1684-5811-2023-24-4-151-159","url":null,"abstract":"По результатам вычислительного эксперимента на платформе Aspen Plus V.10.0 дан про-гноз результатов экстрактивной ректификации четырехкомпонентной смеси растворите-лей и предложены принципиальные схемы разделения с использованием разных селективных агентов в колоннах экстрактивной ректификации, работающих при разном дав-лении.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82432745","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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