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Position: Home > Articles > Purification of WPA and its salt production technology:5.The energy consumption of phosphoric acid and sodium tripolyphosphate production Phosphate & Compound Fertilizer 2011,26 (4) 40-44

湿法磷酸净化及其盐类生产技术:5.生产磷酸和三聚磷酸钠的能耗

作者：

晏明朗

单位：

湖北兴发化工集团股份有限公司

关键词：

热法磷酸;溶剂法净化磷酸;三聚磷酸钠;联产新技术;能耗比较

摘要：

对热法磷酸(TPA)、溶剂法净化磷酸(PPA)和联产新技术生产三聚磷酸钠的能耗进行了估算。溶剂法生产工业级w(H3PO4)85%磷酸的能耗与用新装置产的黄磷(P4)生产TPA的能耗上限值接近,为其97.5%;用PPA生产STPP的能耗是生产P4新装置TPA能耗上限值的91.9%,是联产新技术HPA的178.6%(1.79倍)。因溶剂法生产的PPA能耗高,以其为原料生产盐类产品也不是低耗能和低碳产品,PPA与TPA相比能耗无优势,环保是劣势。联产新技术生产饲钙和磷酸盐,净化磷收率和生产效率高,能耗最低。

译名：

Purification of WPA and its salt production technology:5.The energy consumption of phosphoric acid and sodium tripolyphosphate production

作者：

YAN Ming-lang (Hubei Xingfa Chemicals Group Co.,Ltd,Yichang,Hubei 443003,China)

关键词：

thermal phosphoric acid(TPA);purification of wet-process phosphoric acid(PPA) by solvent method;sodium tripolyphosphate(STPP);co-production new technique;comparison of energy consumption

摘要：

The energy consumptions of TPA,PPA by solvent method,and STPP production by co-production new technique are estimated.The energy consumptions of industrial level TPA with w(H 3 PO 4) 85% production by solvent method is proximal with the energy consumptions of TPA production from P 4 by new plant for its 97.5%.The energy consumptions of STPP from PPA is 91.9% of the energy consumptions of TPA production from P 4 by new plant,is 178.6%(1.79 times) of the energy consumptions of HPA production.Based on the high energy consumptions of PPA production by solvent method,the salts products with it as raw material are not low consumption and low carbon products.The energy consumption of PPA compared with TPA is without advantage,environmental protection is also disadvantaged.The co-production new technique of production for feed grade calcium phosphate & phosphate: the yield of phosphorus purification and production efficiency is high,the energy consumption is the lowest.

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湿法磷酸净化及其盐类生产技术:5.生产磷酸和三聚磷酸钠的能耗

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