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Preliminary study on a novel process for manufacturing soda ash from sodium sulfate
Alternative TitleChin. J. Chem. Eng.
Wang, TG; Li, ZH
2004-06-01
Source PublicationCHINESE JOURNAL OF CHEMICAL ENGINEERING
ISSN1004-9541
Volume12Issue:3Pages:433-438
AbstractThe purpose of this work is to find a new way for utilizing the rich sodium sulfate resource to produce soda ash. A novel process is proposed which uses aqueous dichromate solution as working medium through decomposition of calcium carbonate in aqueous sodium dichromate, complex decomposition of aqueous sodium sulfate and calcium chromate, regeneration of sodium dichromate and production of sodium bicarbonate from carbonation of aqueous sodium chromate solution, processing and utilization of byproduct calcium sulfate, and production of sodium carbonate from sodium bicarbonate. The process has the features of less corrosion and pollution and low energy consumption.; The purpose of this work is to find a new way for utilizing the rich sodium sulfate resource to produce soda ash. A novel process is proposed which uses aqueous dichromate solution as working medium through decomposition of calcium carbonate in aqueous sodium dichromate, complex decomposition of aqueous sodium sulfate and calcium chromate, regeneration of sodium dichromate and production of sodium bicarbonate from carbonation of aqueous sodium chromate solution, processing and utilization of byproduct calcium sulfate, and production of sodium carbonate from sodium bicarbonate. The process has the features of less corrosion and pollution and low energy consumption.
KeywordSodium Sulfate Calcium Carbonate Sodium Carbonate Soda Ash Sodium Dichromate Calcium Sulfate
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
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Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000222542400020
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Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/4989
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Wang, TG,Li, ZH. Preliminary study on a novel process for manufacturing soda ash from sodium sulfate[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2004,12(3):433-438.
APA Wang, TG,&Li, ZH.(2004).Preliminary study on a novel process for manufacturing soda ash from sodium sulfate.CHINESE JOURNAL OF CHEMICAL ENGINEERING,12(3),433-438.
MLA Wang, TG,et al."Preliminary study on a novel process for manufacturing soda ash from sodium sulfate".CHINESE JOURNAL OF CHEMICAL ENGINEERING 12.3(2004):433-438.
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