1) salting-out crystallization
盐析结晶
1.
In order to improve the crystallization rate of KNO_3,the new process for the production of KNO_3 by salting-out crystallization method is studied e.
为提高硝酸钾结晶率,研究了采用添加盐析剂的盐析结晶法制取硝酸钾新工艺,通过盐析剂的盐析作用,硝酸钾与氯化铵在溶液中的有效浓度提高,从而使更多硝酸钾与氯化铵结晶析出,盐析剂始终在母液中循环并发生盐析作用。
2) salting-out crystalizer
盐析结晶器
3) sodium carbonate solubility
结晶排盐
1.
To avoid harm of sodium carbonate accumulating in circle mother liquor on alumina production,the effection of Na2OK concentration in mother liquor and removal salt temperature by crystallization on sodium carbonate solubility in evaporation mother liquor has been experimented.
为避免碳酸钠随母液循环积累给生产造成危害,对影响选矿拜耳法蒸发母液中碳酸钠溶解度的因素———母液中苛性碱浓度(以Na2OK表示)和结晶排盐温度等进行了试验研究,确定了溶液中苛性碱浓度、溶液密度与碳酸钠溶解度的对应关系。
4) salt crystallization
盐结晶
1.
Effects of salt crystallization of Na_2SO_4 and NaCl on concrete exposed to drying-wetting cycles were investigated by using index including concrete scaling amount,concrete expansion rate and strength loss rate,and chemical attack of concrete soaked in Na_2SO_4 and NaCl solutions was also measured.
以混凝土剥落量、膨胀率和强度损失率为评价指标,研究了干湿循环条件下Na2SO4和NaCl盐结晶对混凝土的破坏,并与在Na2SO4和NaCl盐溶液中浸泡的混凝土的化学侵蚀破坏结果进行对比。
2.
The physical deterioration mechanism,characteristics salt,experimental methods,appraisable index and main influencing factors of soluble salt crystallization corrosion to concrete reviewed.
阐述了混凝土盐结晶物理侵蚀破坏的机理及其破坏特征,介绍了国内外混凝土抗盐结晶破坏的试验方法、评价参数以及影响混凝土盐结晶侵蚀破坏的主要影响因素。
5) crystal salt
结晶盐
1.
,the reasons for the occurrence of too much crystal salt were analysed,and the method of determining tank-washing period was proposed.
结合天津大沽化工股份有限公司烧碱蒸发装置中的采盐系统,分析了结晶盐量多的原因,并提出了确定洗罐周期的方法。
6) crystal desalination
结晶脱盐
1.
Study on the treatment of waste sulphuric acid in steel works by single-pipe filling rising film condensability and crystal desalination;
单管填料升膜浓缩结晶脱盐法治理废酸液研究
补充资料：分级盐析
分子式：
CAS号：
性质：肥皂盐析时，低分子脂肪酸皂析开所需盐的浓度高，高分子脂肪酸皂盐浓度低。利用这一原则，皂液经过多次盐析可达到提纯的目的。如80％牛油，20％椰子油配方的肥皂溶液经4次分级盐析的实验结果如下。
CAS号：
性质：肥皂盐析时，低分子脂肪酸皂析开所需盐的浓度高，高分子脂肪酸皂盐浓度低。利用这一原则，皂液经过多次盐析可达到提纯的目的。如80％牛油，20％椰子油配方的肥皂溶液经4次分级盐析的实验结果如下。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条