| 膨润土的钠化研究 |
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| 引用本文： | 张琳,孙根行.膨润土的钠化研究[J].中国皮革,2011(17). |
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| 作者姓名： | 张琳 孙根行 |
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| 作者单位： | 陕西科技大学资源与环境学院; |
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| 基金项目： | 陕西科技大学研究生创新基金 |
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| 摘 要： | 选用信阳天然膨润土为原料,对其进行提纯,以提纯的膨润土为基础对其进行钠化改型。探索了钠化剂、钠化剂用量、钠化时间、矿浆浓度对钠化效果的影响。用钠化土的膨胀倍和X射线衍射图谱对钠化效果进行检验。结果表明:较佳的钠化剂为焦磷酸钠,钠化剂用量为4%,钠化时间为20min,矿浆浓度为10%。通过钠化改型后的信阳膨润土的膨胀倍从38mL/g提高到了98mL/g。
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| 关 键 词： | 膨润土 蒙脱石 钠化 |
Sodium Modification of Bentonite |
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| Zhang Lin,Sun Genxing.Sodium Modification of Bentonite[J].China Leather,2011(17). |
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| Authors: | Zhang Lin Sun Genxing |
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| Affiliation: | Zhang Lin,Sun Genxing (College of Resource and Environment,Shaanxi University of Science & Technology,Xi'an 710021,China) |
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| Abstract: | Bentonite from Xinyang was purified and modified.The influence of type and dosage of conversion agent,conversion time,bentonite concentration on the modification was studied.The swelling rate and X-ray diffraction pattern of the bentonite were tested.It shows that sodium pyrophosphate is a good sodium conversion agent,the dosage is 4%,conversion time is 20min,and bentonite concentration is 10%.The swelling rate of the sodium bentonite is increased from 38mL/g to 98mL/g. |
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| Keywords: | bentonite montmorillonite sodium modification |
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