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Alternative Titlena-ca exchange onto ca-montmorillonite in high concentration sodium chloride solution by a circulation mass transfer method
黎艳; 王娟芳; 王晓军
Source Publication非金属矿


Other Abstract

A circulation mass transfer method was used to prepare Na-montmorillonite by exchanging Ca with Na onto Ca-montmorillonite in high concentration sodium chloride solution.The influences of factors on ENa+were investigated.Alkaline coefficient above 1 of Na-montmorillonite with excellent water swelling property was obtained under these conditions:the minimum concentration of NaCl was 3%(mass);the concentration of slurry could reach to 25%;time for Na-Ca exchanging was more than 45 min including 15 min stirring time;NaCl should be added into deionized water before montmorillonite.A mathematical model was established which was between circulation times of mother liquor and concentration of initial sodium chloride,quantity of Ca-bentonite,cation exchanging Ca~(2+)E1/2Ca~(2+).

Keyword循环传质法 钠钙交换 氯化钠 钙基蒙脱石
Subject AreaMining & Mineral Processing (Provided By Thomson Reuters)
Indexed ByCSCD
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Document Type期刊论文
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GB/T 7714
黎艳,王娟芳,王晓军. 高浓度氯化钠循环传质钠化钙基蒙脱石[J]. 非金属矿,2011,34(5):41006.
APA 黎艳,王娟芳,&王晓军.(2011).高浓度氯化钠循环传质钠化钙基蒙脱石.非金属矿,34(5),41006.
MLA 黎艳,et al."高浓度氯化钠循环传质钠化钙基蒙脱石".非金属矿 34.5(2011):41006.
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