复分解法生产小苏打母液的综合处理汇总.pdf

第 42卷第 8期 无机盐工业 2010年 8月 INORGAN IC CHEM ICALS INDU STRY 57 1 1 2 1 1 , , , , ( 1. 河北工业大学, 天津 300130; 2. 湖南裕华化工集团有限公司) : 为了处理回收复分解反应生 小苏打过程的含氯化铵和氯化钠的母液, 采用多效真空降膜蒸发、热泵 等蒸发节能新技术, 克服了热法回收氯化铵和氯化钠中设备腐蚀严重、能耗较高的技术难题, 取得了热法回收氯化 铵和氯化钠工艺的突破性进展, 并成功应用于实际生 , 达到了节能环保的目的。该技术也适用于其他含氯化铵 和氯化钠溶液的处理。 : 氯化铵; 氯化钠; 小苏打; 废水处理 : TQ124. 42 : A : 1006- 4990( 2010) 08- 0057- 03 C om p reh en sive tr ea tm en t for m oth er solu t ion of sod ium b icarb on a te by doub le decom p osit ion m eth od 1 1 2 1 1 Sh iX iaoping , Hu ianxun , L iu Changsong, W eiF eng , Hu Baisong ( 1.H ebei University of Technology, T ianj in 300130, China; 2.H ucnan Yuhua Chemicals Group Co. , Lt . ) - - A b str ac t: N ew evaporation energy saving technologies, such as m ultie ffect falling fiml vacuum evaporation and steam jetting heat pump, were adopted in order to treat and recycle them other solution, which contained amm onium chloride and sod ium chloride, generated in production of sod ium b icarbonate by double decom position m ethod. N ew technologies overcam e the prob lem s of ser ious equipment corros ion and h igh energy consum ption dur ing recovery of ammon ium ch lor ide and sodium chlor ide by therm al process and m ade a break through for thermal process. In add ition, they had been app lied successfu lly in practical production, and ach ieved the purpose of energy- saving and environm