首页>
外国专利>
Removal of dissolved disodium terephthalate from aqueous solution also containing sodium hydroxide
Removal of dissolved disodium terephthalate from aqueous solution also containing sodium hydroxide
展开▼
机译:从还含有氢氧化钠的水溶液中除去溶解的对苯二甲酸二钠
展开▼
页面导航
摘要
著录项
相似文献
摘要
This invention relates to the removal of substantially all of the disodium terephthalate (Na.sub.2 TA) dissolved in a dilute aqueous solution of sodium hydroxide. More particularly this invention pertains to the recovery for reuse of an aqueous solution containing 5 weight percent sodium hydroxide from an aqueous solution containing, on a weight basis, from 5 to 5.25 percent Na.sub.2 TA and 2.5 to 3.0 percent sodium hydroxide.
展开▼
机译:本发明涉及除去溶于氢氧化钠稀水溶液中的基本上所有的对苯二甲酸二钠(Na 2 TA)。更特别地,本发明涉及从按重量计含有5至5.25%的Na 2 Sub TA和2.5至3.0%的氢氧化钠的水溶液中回收含有5重量%的氢氧化钠的水溶液以再使用。
展开▼