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Experimental Determination of Phase Equilibria in the Quaternary NaOH-Na3VO4-Na2MoO4-H2O System at 298.15-353.15 K

文献类型：期刊论文

作者Wang, Shaona3; Wang, Jianzhang1; Liu, Biao3; Lv, Yeqing3; Zhang, Yi3; Du, Hao2,3
刊名JOURNAL OF CHEMICAL AND ENGINEERING DATA
出版日期2021-01-14
卷号66期号:1页码:85-93
ISSN号0021-9568
DOI10.1021/acs.jced.0c00321
英文摘要The equilibrium solubility of the quaternary NaOH-Na3VO4-Na2MoO4-H2O system was investigated from 298.15 to 353.15 K using an isothermal equilibrium method. From the results, the solubility of Na3VO4 decreased appreciably as temperature decreased. The solubility of Na3VO4 decreased sharply as the NaOH concentration increased, and the effect of temperature on the Na3VO4 solubility was not obvious. The dry-salt phase diagram of the system consists of three crystallization zones (where the solid phases are Na3VO4 center dot 12H(2)O at 298.15 K and Na3VO4 center dot 3H(2)O at 313.15-353.15 K, Na2MoO4 center dot 2H(2)O, and NaOH center dot H2O). The solubilities of Na3VO4 and Na2MoO4 were compared with those of their ternary subsystems of NaOH-Na3VO4-H2O and NaOHNa2MoO4-H2O, respectively. Na2MoO4 has a strong salting-out effect on Na3VO4 solubility when the NaOH concentration was smaller than approximately 30 wt %. The addition of Na3VO4 has almost no salting-out effect on the Na2MoO4 solubility especially when the NaOH concentration was above 20 wt %.
WOS关键词SOLUBILITY INVESTIGATIONS ; MOLYBDENUM ; VANADIUM ; RECOVERY ; CATALYSTS ; WASTE ; SLAG
资助项目S&T Program of Hebei[19044011Z] ; S&T Program of Hebei[20373808D] ; S&T Program of Hebei[206Z4401G] ; National Key R&D Program of China[2020YFC1909703]
WOS研究方向Thermodynamics ; Chemistry ; Engineering
语种英语
WOS记录号WOS:000611409200009
出版者AMER CHEMICAL SOC
资助机构S&T Program of Hebei ; National Key R&D Program of China
源URL[http://ir.ipe.ac.cn/handle/122111/47822]  
专题中国科学院过程工程研究所
通讯作者Du, Hao
作者单位1.Northeastern Univ, Sch Met, Shenyang 110819, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Shaona,Wang, Jianzhang,Liu, Biao,et al. Experimental Determination of Phase Equilibria in the Quaternary NaOH-Na3VO4-Na2MoO4-H2O System at 298.15-353.15 K[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2021,66(1):85-93.
APA Wang, Shaona,Wang, Jianzhang,Liu, Biao,Lv, Yeqing,Zhang, Yi,&Du, Hao.(2021).Experimental Determination of Phase Equilibria in the Quaternary NaOH-Na3VO4-Na2MoO4-H2O System at 298.15-353.15 K.JOURNAL OF CHEMICAL AND ENGINEERING DATA,66(1),85-93.
MLA Wang, Shaona,et al."Experimental Determination of Phase Equilibria in the Quaternary NaOH-Na3VO4-Na2MoO4-H2O System at 298.15-353.15 K".JOURNAL OF CHEMICAL AND ENGINEERING DATA 66.1(2021):85-93.

入库方式： OAI收割

来源：过程工程研究所

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