CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
Measurement and modelling of solubility for calcium sulfate dihydrate and calcium hydroxide in NaOH/KOH solutions
Yuan, Tiechui2; Wang, Junfeng1; Li, Zhibao1; Li, ZB
2010-10-15
Source PublicationFLUID PHASE EQUILIBRIA
ISSN0378-3812
Volume297Issue:1Pages:129-137
AbstractThe solubility of calcium sulfate dihydrate (CaSO(4)center dot 2H(2)O) and calcium hydroxide (Ca(OH)(2)) in alkali solutions is essential to understand their desilication behavior from Bayer liquor. In this work, solubilities of calcium sulfate dihydrate and calcium hydroxide for the ternary systems of CaSO(4)center dot 2H(2)O-NaOH-H(2)O, CaSO(4)center dot 2H(2)O-KOH-H(2)O, and Ca(OH)(2)-NaOH-H(2)O were measured by using the classic isothermal dissolution method over the temperature range of 25-75 degrees C. The Pitzer model embedded in Aspen Plus platform was used to model the experimental solubility data for these systems. The experimental solubility data was employed to obtain the new binary interaction parameters for Ca(OH)(+)-OH(-), Ca(OH)(+)-Ca(2+) and Ca(OH)(+)-K(+), suggesting that the species Ca(OH)(+) is a dominant species in simulated solubility for alkali systems. Validation of the parameters was performed by predicting the solubility for the ternary systems of Ca(OH)(2)-NaOH-H(2)O, CaSO(4)center dot 2H(2)O-NaOH-H(2)O and CaSO(4)center dot 2H(2)O-KOH-H(2)O with the overall average relatively deviation (ARD) of 2.12%, 0.75% and 1.63%, respectively. (C) 2010 Elsevier B.V. All rights reserved.
KeywordSolubility Calcium Sulfate Dihydrate Calcium Hydroxide Modelling Pitzer Model
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.fluid.2010.06.012
Indexed BySCI
Language英语
WOS KeywordCHEMICAL-MODEL ; SYSTEM ; ELECTROLYTES ; LIME
WOS Research AreaThermodynamics ; Chemistry ; Engineering
WOS SubjectThermodynamics ; Chemistry, Physical ; Engineering, Chemical
WOS IDWOS:000281925400018
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5695
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorLi, ZB
Affiliation1.Chinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Cent S Univ, State Key Lab Powder Met, Changsha 410083, Peoples R China
Recommended Citation
GB/T 7714
Yuan, Tiechui,Wang, Junfeng,Li, Zhibao,et al. Measurement and modelling of solubility for calcium sulfate dihydrate and calcium hydroxide in NaOH/KOH solutions[J]. FLUID PHASE EQUILIBRIA,2010,297(1):129-137.
APA Yuan, Tiechui,Wang, Junfeng,Li, Zhibao,&Li, ZB.(2010).Measurement and modelling of solubility for calcium sulfate dihydrate and calcium hydroxide in NaOH/KOH solutions.FLUID PHASE EQUILIBRIA,297(1),129-137.
MLA Yuan, Tiechui,et al."Measurement and modelling of solubility for calcium sulfate dihydrate and calcium hydroxide in NaOH/KOH solutions".FLUID PHASE EQUILIBRIA 297.1(2010):129-137.
Files in This Item:
File Name/Size DocType Version Access License
20131112-1130-复件 1-s(539KB) 限制开放CC BY-NC-SAApplication Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Yuan, Tiechui]'s Articles
[Wang, Junfeng]'s Articles
[Li, Zhibao]'s Articles
Baidu academic
Similar articles in Baidu academic
[Yuan, Tiechui]'s Articles
[Wang, Junfeng]'s Articles
[Li, Zhibao]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Yuan, Tiechui]'s Articles
[Wang, Junfeng]'s Articles
[Li, Zhibao]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.