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Sorption of active dyes by polysaccharides from aqueous solutions tetraalkylammonium salts 四烷基铵盐水溶液中多糖对活性染料的吸附
Chemical Engineering Pub Date : 2021-01-01 DOI: 10.31044/1684-5811-2021-22-11-508-512
A. Mikhailovskaya, I. Elokhin, S. S. Lysova
{"title":"Sorption of active dyes by polysaccharides from aqueous solutions tetraalkylammonium salts","authors":"A. Mikhailovskaya, I. Elokhin, S. S. Lysova","doi":"10.31044/1684-5811-2021-22-11-508-512","DOIUrl":"https://doi.org/10.31044/1684-5811-2021-22-11-508-512","url":null,"abstract":"","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79898219","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
Sorption extraction of rare-earth elements on sulfonic cation-exchange resin KU-2-8 from nitrate solutions of loparite concentrate development 硫代阳离子交换树脂KU-2-8吸附萃取稀土元素的研究
Chemical Engineering Pub Date : 2021-01-01 DOI: 10.31044/1684-5811-2021-22-7-312-317
D. Yelatontsev, A. Mukhachev
{"title":"Sorption extraction of rare-earth elements on sulfonic cation-exchange resin KU-2-8 from nitrate solutions of loparite concentrate development","authors":"D. Yelatontsev, A. Mukhachev","doi":"10.31044/1684-5811-2021-22-7-312-317","DOIUrl":"https://doi.org/10.31044/1684-5811-2021-22-7-312-317","url":null,"abstract":"The experimental-industrial study results of the process of sorption of rare-earth elements on sulfonic cation-exchange resin KU-2-8 from nitrate solutions of loparite concentrate development are presented. Values of different obtained elements are discussed. Different changes in processes are described. Reprocessing loparine raw materials in the close cycle without hydrochloric and sulfuric acid, and excess of normative sodium content in productional concentrate is possible. Keywords: ionite, sorption, loparite concentrate, rare-earth element, thorium.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81944631","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 PROCESS PARAMETERS ON MELT FORMATION OF MAGMATIC ROCKS (WITH EXAMPLE OF GABBRO) 工艺参数对岩浆岩熔体形成的影响(以辉长岩为例)
Chemical Engineering Pub Date : 2021-01-01 DOI: 10.31044/1684-5811-2021-22-2-69-76
V. A. Krenyov, S. V. Fomichyov, E. N. Pechyonkina, A. S. Alikhanyan, A. A. Voshkin
{"title":"INFLUENCE OF PROCESS PARAMETERS ON MELT FORMATION OF MAGMATIC ROCKS (WITH EXAMPLE OF GABBRO)","authors":"V. A. Krenyov, S. V. Fomichyov, E. N. Pechyonkina, A. S. Alikhanyan, A. A. Voshkin","doi":"10.31044/1684-5811-2021-22-2-69-76","DOIUrl":"https://doi.org/10.31044/1684-5811-2021-22-2-69-76","url":null,"abstract":"","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72633466","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
Behavior of lead and selenium during leaching of slurry by solution of trylon B at sulfuric acid workshop of Balkhsh copper production plant 巴尔赫什铜厂硫酸车间铁硼溶液浸出浆料时铅和硒的行为
Chemical Engineering Pub Date : 2021-01-01 DOI: 10.31044/1684-5811-2021-22-1-21-29
K. A. Linnik, A. Sharipova, A. Zagorodnyaya, S. T. Akchulakova
{"title":"Behavior of lead and selenium during leaching of slurry by solution of trylon B at sulfuric acid workshop of Balkhsh copper production plant","authors":"K. A. Linnik, A. Sharipova, A. Zagorodnyaya, S. T. Akchulakova","doi":"10.31044/1684-5811-2021-22-1-21-29","DOIUrl":"https://doi.org/10.31044/1684-5811-2021-22-1-21-29","url":null,"abstract":"The results of experiments for the study of behavior of lead and selenium during the leaching process of slurry by a solution of trylon B depending on parameters typical for hydrometallurgical processes and their ranges are presented. It has been found out that trylon B practically completely extracts lead into the solution, selenium is concentrated in cake. However, the process is accompanied by precipitation of ethylenediaminetetraacetic acid (C10H16N2O8). Selenium-containing substances were determined in slurry and cakes.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84088596","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 tungsten powders with highly developed surface 生产表面高度发达的钨粉
Chemical Engineering Pub Date : 2021-01-01 DOI: 10.31044/1684-5811-2021-22-4-153-160
V. N. Kolosov, M. Miroshnichenko, V. Orlov
{"title":"Production of tungsten powders with highly developed surface","authors":"V. N. Kolosov, M. Miroshnichenko, V. Orlov","doi":"10.31044/1684-5811-2021-22-4-153-160","DOIUrl":"https://doi.org/10.31044/1684-5811-2021-22-4-153-160","url":null,"abstract":"The process of producing tungsten powders with a highly developed surface by reducing its oxide compounds with magnesium vapor in the temperature range 600—750 °C under dynamic vacuum (0.01 kPa) and with a residual argon pressure in the reactor 0.5—10 kPa has been studied. During the reduction of magnesium and calcium tungstates, tungsten powders were obtained with a specific surface area of 40 m2·g–1, characterized by a mesoporous structure.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80143378","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
High-capacity capacitor tantalum powders from production waste 从生产废料中提取高容量电容器钽粉
Chemical Engineering Pub Date : 2021-01-01 DOI: 10.31044/1684-5811-2021-22-1-16-20
V. Orlov, T. Prokhorova, E. N. Kiselev
{"title":"High-capacity capacitor tantalum powders from production waste","authors":"V. Orlov, T. Prokhorova, E. N. Kiselev","doi":"10.31044/1684-5811-2021-22-1-16-20","DOIUrl":"https://doi.org/10.31044/1684-5811-2021-22-1-16-20","url":null,"abstract":"The possibility of producing high-quality high-capacity tantalum powder from certain types of tantalum wastes by their oxidation and subsequent magnesium thermal reduction is discussed. Capacitor powders with a specific charge of 100000—150000 µC·g–1 and leakage current less than 0.001 μA·μC–1 were obtained.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86679132","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
Removal of nickel from nickel production pulp simulators during gas-phase conversion 气相转化过程中镍生产纸浆模拟器中镍的去除
Chemical Engineering Pub Date : 2020-09-15 DOI: 10.31044/1684-5811-2020-21-9-418-427
S. Kulyukhin, Ipce Ras, Yu. M. Nevolin, A. Seliverstov
{"title":"Removal of nickel from nickel production pulp simulators during gas-phase conversion","authors":"S. Kulyukhin, Ipce Ras, Yu. M. Nevolin, A. Seliverstov","doi":"10.31044/1684-5811-2020-21-9-418-427","DOIUrl":"https://doi.org/10.31044/1684-5811-2020-21-9-418-427","url":null,"abstract":"A new approach to Ni removal from simulators of dump waste product of the industrial waste purification of the wet gas-cleaning plant and the copper electrolysis workshop at the Copper Plant (Polar branch PJSC MMC «Norilsk Nickel») is proposed. The method is based on gas-phase treatment of waste product with NOХ, HNO3, or NH3 vapors, followed by dissolution of Ni salt in water. It has been found out that using nitrating media, containing HNO3 (vapor), NOX and H2O (vapor), allowed us to perform the effective leaching of nickel from the pulp simulator volume. A possible disadvantage of the method is a simultaneous leaching of considerable amounts of calcium and sulfur.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75650447","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
Separation of ions of cobalt (II) and iron (III) with use of nonselective sulfonic cation resin KU-2-8 用非选择性磺酸阳离子树脂KU-2-8分离钴(II)和铁(III)离子
Chemical Engineering Pub Date : 2020-09-01 DOI: 10.31044/1684-5811-2020-21-10-474-480
S. Saykova, M. Panteleeva, E. Pikurova, D. Saykova
{"title":"Separation of ions of cobalt (II) and iron (III) with use of nonselective sulfonic cation resin KU-2-8","authors":"S. Saykova, M. Panteleeva, E. Pikurova, D. Saykova","doi":"10.31044/1684-5811-2020-21-10-474-480","DOIUrl":"https://doi.org/10.31044/1684-5811-2020-21-10-474-480","url":null,"abstract":"A separation method of ions of cobalt (II) and iron (III) has been proposed and studied for the case of their simultaneous presence in a solution. This method includes preliminary separation of an iron portion by alkaline precipitation with pH = 2.3, obtaining the product of simultaneous precipitation of iron and cobalt and extraction of cobalt from it by the method of cation-exchange leaching with the use of nonselective sulfonic cation resin KU-2-8.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79076475","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
EFFECT OF COMPOSITION OF COAL2O4 CERAMIC PIGMENT SYNTHESIZED BY ANION RESIN EXCHANGE PRECIPITATION METHOD ON ITS OPTICAL PROPERTIES 阴离子树脂交换沉淀法合成的煤焦陶瓷颜料组成对其光学性能的影响
Chemical Engineering Pub Date : 2020-09-01 DOI: 10.31044/1684-5811-2020-21-9-403-408
S. Saikova, E. Pikurova, M. Panteleeva, I. V. Korol’kova
{"title":"EFFECT OF COMPOSITION OF COAL2O4 CERAMIC PIGMENT SYNTHESIZED BY ANION RESIN EXCHANGE PRECIPITATION METHOD ON ITS OPTICAL PROPERTIES","authors":"S. Saikova, E. Pikurova, M. Panteleeva, I. V. Korol’kova","doi":"10.31044/1684-5811-2020-21-9-403-408","DOIUrl":"https://doi.org/10.31044/1684-5811-2020-21-9-403-408","url":null,"abstract":"Ceramic pigments based on spinel CoAl2O4 have been synthesized with use the anion resin exchange precipitation method, where the strong base anion exchange resin AV-17-8 in the OH-form are used as a precipitate agent. The effect of the amount of cobalt in the pigment on its structure, color and optical properties ise shown.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85969560","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
Processing technology of monazite concentrate 独居石精矿的加工工艺
Chemical Engineering Pub Date : 2020-05-01 DOI: 10.31044/1684-5811-2020-21-5-210-218
E. Lokshin
{"title":"Processing technology of monazite concentrate","authors":"E. Lokshin","doi":"10.31044/1684-5811-2020-21-5-210-218","DOIUrl":"https://doi.org/10.31044/1684-5811-2020-21-5-210-218","url":null,"abstract":"","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82049182","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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