首页>
外国专利>
TREATING METHOD OF WASTE ACID, WASTE ACID NEUTRALIZING AGENT, AND RECYCLING METHOD OF WASTE ACID NEUTRALIZED OBJECT
TREATING METHOD OF WASTE ACID, WASTE ACID NEUTRALIZING AGENT, AND RECYCLING METHOD OF WASTE ACID NEUTRALIZED OBJECT
展开▼
机译:废酸的处理方法,废酸中和剂以及废酸中和对象的回收方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
PROBLEM TO BE SOLVED: To provide a waste acid neutralizing agent that remarkably shortens the neutralization time, has a low reaction temperature, causes little blowout of harmful gas, has superior safety and work efficiency, is easily handleable, and can be mass-produced at a low cost.;SOLUTION: The waste acid neutralizing agent has a composition of the content of 80 wt.% or more of fine powdery activated magnesium formed by firing brucite being a kind of magnesium ore, at 800-1,100°C, or firing magnesite at 800-1,100°C and pulverized into 300 mesh or less, and the content of 20 wt.% or less of CaO.;COPYRIGHT: (C)2012,JPO&INPIT
展开▼