Measurement and modelling of solubility for calcium sulfate dihydrate and calcium hydroxide in NaOH/KOH solutions
文献类型：期刊论文
| 作者 | Yuan, Tiechui2; Wang, Junfeng1; Li, Zhibao1 |
| 刊名 | FLUID PHASE EQUILIBRIA
 |
| 出版日期 | 2010-10-15 |
| 卷号 | 297期号:1页码:129-137 |
| 关键词 | Solubility Calcium sulfate dihydrate Calcium hydroxide Modelling Pitzer model |
| ISSN号 | 0378-3812 |
| 通讯作者 | Li, ZB |
| 英文摘要 | The 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. |
| WOS标题词 | Science & Technology ; Physical Sciences ; Technology |
| 类目[WOS] | Thermodynamics ; Chemistry, Physical ; Engineering, Chemical |
| 研究领域[WOS] | Thermodynamics ; Chemistry ; Engineering |
| 关键词[WOS] | CHEMICAL-MODEL ; SYSTEM ; ELECTROLYTES ; LIME |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000281925400018 |
| 公开日期 | 2013-11-12 |
| 版本 | 出版稿 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/5695]  |
| 专题 | 过程工程研究所_湿法冶金清洁生产技术国家工程实验室 |
| 作者单位 | 1.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 |
| 推荐引用方式 GB/T 7714 | Yuan, Tiechui,Wang, Junfeng,Li, Zhibao. 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.(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. |
入库方式： OAI收割
来源：过程工程研究所
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