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Spectroscopy Research on Synthesis of New Desilication Reagent-Calcium Hydroferrocarbonate
Hong Tao1,2; Zheng Shi-li2; Zhang Yi; Meng Ling-yuan1; Hong, T
2009-02-01
Source PublicationSPECTROSCOPY AND SPECTRAL ANALYSIS
ISSN1000-0593
Volume29Issue:2Pages:418-422
AbstractFor removing silica from high concentration medium after digestion of the diasporic bauxite by sub-molten salt, the research used calcium hydroferrocarbonate with the new desilication reagent. In the reaction, calcium carbonate, calcium hydroxide and calcium ferrite were by-product, therefore the reaction factors showed significant influence on the synthesis and disilicating efficiency. To explore the synthesis mechanism and optimize the reaction factors, the composition of the intermediate obtained from the synthesis reaction was investigated through the combination of FTIR, ICP-AES and desilication reaction. The FTIR and desilication reaction results revealed that calcium hydroferrocarbonate is metastable compound in solution, and the reaction temperature and reaction time have significant influence on the systhesis. With the temperature and reaction time increasing, the content of calcium hydroferrocarbonate in the composition first increased and then reduced. The optimal factors were: temperature of 30 degrees C, reaction time of 16 hours, the liquid to solid mass ratio of 20 and rpm of 500 r . min(-1). The crystal structure of calcium hydroferrocarbonate was investigated, and was found to be rhombohedral, including H(2)O bond, -OH bond and Fe-O bond.
KeywordSpectroscopy Research Synthesis Of Desilication Reagent Calcium Hydroferrocarbonate Composition Analysis
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.3964/j.issn.1000-0593(2009)02-0418-05
Indexed BySCI
Language英语
WOS KeywordSPENT BAYER LIQUOR ; KINETICS
WOS Research AreaSpectroscopy
WOS SubjectSpectroscopy
WOS IDWOS:000263152300032
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6755
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorHong, T
Affiliation1.Univ Xian Architecture & Technol, Xian 710055, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Hong Tao,Zheng Shi-li,Zhang Yi,et al. Spectroscopy Research on Synthesis of New Desilication Reagent-Calcium Hydroferrocarbonate[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2009,29(2):418-422.
APA Hong Tao,Zheng Shi-li,Zhang Yi,Meng Ling-yuan,&Hong, T.(2009).Spectroscopy Research on Synthesis of New Desilication Reagent-Calcium Hydroferrocarbonate.SPECTROSCOPY AND SPECTRAL ANALYSIS,29(2),418-422.
MLA Hong Tao,et al."Spectroscopy Research on Synthesis of New Desilication Reagent-Calcium Hydroferrocarbonate".SPECTROSCOPY AND SPECTRAL ANALYSIS 29.2(2009):418-422.
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