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用高岭土合成聚合氯化铝的研究 被引量:5

The investigation of poly aluminum chloride from kaolin clay
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摘要 以高岭土为原料,利用盐酸酸溶、聚合过程制备聚合氯化铝(PAC),探索最佳工艺条件,考察了焙烧温度800℃,原料配比1∶3.5,反应时间3.5 h,反应温度60℃对合成工艺的影响,使A l2O3溶出率可达80%左右。用铝酸钠对盐基度进行调整,盐基度可达75%左右,并对其性能与同类产品进行了净水性能考察对比。结果表明,产品质量达到同类产品的先进水平。 A novel method was developed for the production of poly aluminum chloride (PAC) from kao-lin clay with hydrate chloride maceration and amalgamation. The effect of baking temperature 800 ℃, raw materials ratio 1 : 3.5, reaction time 3.5 h and temperature 60 ℃ on synthetic process were carefully investigated, and alumina oxide recovery was up to 80% under the optimized conditions. Sodium aluminate was added up to 75% to adjust salt content of the base ( matrix), and the performance of pure water preparation was comparable to other products. The quality of final product quality reached advanced standard in this field.
作者 吴良彪
出处 《应用化工》 CAS CSCD 2010年第4期565-567,共3页 Applied Chemical Industry
关键词 高岭土 聚合 聚合氯化铝 合成 溶出率 物质的量之比 盐基度 kaolin clay polymerization poly aluminium chloride synthesis maceration ratio molar ratio base salt content
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