Solubility Data for the Quaternary KOH-K3VO4-K2CrO4-H2O System at (40 and 80) °C

被引:1
|
作者
Feng, Man [1 ,2 ]
Du, Hao [1 ]
Zheng, Shili [1 ]
Wang, Shaona [1 ]
Zhang, Yi [1 ]
机构
[1] Chinese Acad Sci, Natl Engn Lab Hydromet Cleaner Prod Technol, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源
基金
中国国家自然科学基金;
关键词
VANADIUM;
D O I
10.1021/je400051n
中图分类号
O414.1 [热力学];
学科分类号
摘要
The separation of K3VO4 and K2CrO4 plays an important role in the vanadium cleaner production process using concentrated alkaline solution as reaction media. Equilibrium solubility data for the KOH-K3VO4-K2CrO4-H2O system at (40 and 80) degrees C therefore were measured and compared with ternary KOH-K3VO4-H2O and KOH-K2CrO4-H2O subsystems, respectively. Based on the data, a strategy for effective separation of K3VO4 and K2CrO4 from the KOH-K3VO4-K2CrO4-H2O system has been proposed.
引用
收藏
页码:1029 / 1033
页数:5
相关论文
共 50 条
  • [21] The influence of urea on the K2CO3 and NH4VO3 solubility in the K2CO3 + NH4VO3 + H2O system
    Kielkowska, Urszula
    POLISH JOURNAL OF CHEMICAL TECHNOLOGY, 2008, 10 (04) : 25 - 27
  • [22] Thermodynamic study of K2CrO4-KAlO2-KOH-H2O and Na2CrO4-NaAlO2-NaOH-H2O systems
    Wang, XD
    Cui, JL
    Ge, XL
    Zheng, SL
    Zhang, M
    Zhang, Y
    JOURNAL OF UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING, 2004, 11 (06): : 500 - 504
  • [23] Solubility in the reciprocal quaternary K+Na+-SO42--VO3--H2O system at (293.15 and 313.15)K
    Druzynski, Sebastian
    Mazurek, Krzysztof
    Kielkowska, Urszula
    Szalla, Aleksandra
    Wrobel, Adriana
    FLUID PHASE EQUILIBRIA, 2015, 404 : 75 - 80
  • [25] (KALO2+KOH)-K3PO4-H2O SYSTEM
    ABDURAGIMOVA, RA
    DRUZHININ, IG
    GASANOVA, K
    ABDURAGIMOV, AA
    KULIEV, AN
    ZHURNAL OBSHCHEI KHIMII, 1978, 48 (05): : 962 - 964
  • [26] QUATERNARY SYSTEM K+-NH4+-CRO4-SO4-H2O .2. 25 DEGREE CENTIGRADE ISOTHERM
    FLATT, R
    BRUNISHO.G
    MERBACH, A
    HELVETICA CHIMICA ACTA, 1970, 53 (05) : 1102 - &
  • [27] SOLUBILITY IN THE SYSTEM K2SO4-H2SO4-H2O.
    Buksha, S.V.
    Sokolov, I.D.
    Kopylev, B.A.
    Buksha, Yu.V.
    1600, (59):
  • [28] SOLUBILITY IN THE SYSTEM K2SO4-H2SO4-H2O
    BUKSHA, SV
    SOKOLOV, ID
    KOPYLEV, BA
    BUKSHA, YV
    JOURNAL OF APPLIED CHEMISTRY OF THE USSR, 1986, 59 (10): : 2072 - 2076
  • [29] Solubility Data in the Ternary NH4HCO3-NH4VO3-H2O and (NH4)2CO3-NH4VO3-H2O Systems at (40 and 70) °C
    Yan, Hong
    Du, Hao
    Wang, Shaona
    Zheng, Shili
    Zhang, Yi
    JOURNAL OF CHEMICAL AND ENGINEERING DATA, 2016, 61 (07): : 2346 - 2352
  • [30] K2CRO7+NA2CRO4-REVERSIBLE-K2CRO4+NA2CR2O7-H2O SYSTEMS
    KUDRYASHOVA, OS
    KUDRYASHOV, SF
    ZHURAVLEV, EF
    ZHURNAL NEORGANICHESKOI KHIMII, 1984, 29 (11): : 2944 - 2948