高純度尿素水の製造方法
- 专利权人:
- 发明人:
- 申请号:
- JP20110084223
- 公开号:
- JP5715870(B2)
- 申请日:
- 2011.04.06
- 申请国别(地区):
- 日本
- 年份:
- 2015
- 代理人:
- 摘要:
PROBLEM TO BE SOLVED: To provide a method for producing high-purity urea water, capable of removing all at once, metal ion and occlusion causative material by a comparatively simple method, and suppressing fluctuation of a pH value.
SOLUTION: In this method for producing high-purity urea water, urea water undiluted solution is treated by an acidic cation exchange resin, and then treated by a strongly basic anion exchange resin.
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- 来源网站:
- 中国工程科技知识中心