JPS6131430A - ポリエ−テルの回収方法 - Google Patents

ポリエ−テルの回収方法

Info

Publication number
JPS6131430A
JPS6131430A JP15218484A JP15218484A JPS6131430A JP S6131430 A JPS6131430 A JP S6131430A JP 15218484 A JP15218484 A JP 15218484A JP 15218484 A JP15218484 A JP 15218484A JP S6131430 A JPS6131430 A JP S6131430A
Authority
JP
Japan
Prior art keywords
polyether
liquid
waste water
concentrated
membrane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP15218484A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0510371B2 (enExample
Inventor
Kaoru Ueno
薫 上野
Shigeru Yoshida
茂 吉田
Koji Shinno
新野 孝司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP15218484A priority Critical patent/JPS6131430A/ja
Publication of JPS6131430A publication Critical patent/JPS6131430A/ja
Publication of JPH0510371B2 publication Critical patent/JPH0510371B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)
  • Polyethers (AREA)
JP15218484A 1984-07-24 1984-07-24 ポリエ−テルの回収方法 Granted JPS6131430A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15218484A JPS6131430A (ja) 1984-07-24 1984-07-24 ポリエ−テルの回収方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15218484A JPS6131430A (ja) 1984-07-24 1984-07-24 ポリエ−テルの回収方法

Publications (2)

Publication Number Publication Date
JPS6131430A true JPS6131430A (ja) 1986-02-13
JPH0510371B2 JPH0510371B2 (enExample) 1993-02-09

Family

ID=15534889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15218484A Granted JPS6131430A (ja) 1984-07-24 1984-07-24 ポリエ−テルの回収方法

Country Status (1)

Country Link
JP (1) JPS6131430A (enExample)

Also Published As

Publication number Publication date
JPH0510371B2 (enExample) 1993-02-09

Similar Documents

Publication Publication Date Title
CA2706205C (en) Process for the purification of organic acids
US8859808B2 (en) Method for obtaining lactic acid with a high degree of purity from fermentative liquor
JP2011520851A (ja) 酸化プロピレンとスチレンとを一緒に製造するプロセスにおける廃棄物である水性ストリームの再評価
CN102307651A (zh) 从电渗析废弃物流回收甜菜碱的方法
US5118423A (en) Method of removing water from a dilute solution of n-methylmorpholine-n-oxide, n-methylmorpholine, or morpholine
JPS58170505A (ja) 電解質含有水溶液からのグリコ−ルの分離方法
CN112939281A (zh) N-甲基吗啉-n-氧化物的回收方法和回收系统
US20040030102A1 (en) Process for gelatines extraction and chromium salts recovery from tanned hides and skins shavings
JP5829819B2 (ja) 電気透析方法
CN104291501A (zh) 一种用集成膜技术处理硝酸铵废水的方法
JPS6131430A (ja) ポリエ−テルの回収方法
JPH11267645A (ja) 純水の製造方法
JPS59156402A (ja) 逆浸透膜による有機物の濃縮方法
US8293940B2 (en) Process for recovery and purification of lactic acid
JPS62270537A (ja) ブタノ−ル含有廃水からのブタノ−ル回収法
Kumar et al. Separation of carboxylic acids from waste water via reactive extraction
JPS62158231A (ja) ジクロロヒドリンの製法
JPH0380991A (ja) ボイラ給水処理方法とボイラ給水処理装置
KR101073726B1 (ko) 전기투석 및 직접회수방법을 이용한 당화액으로부터의 경제적인 자일로스의 제조공정
JP2000271569A (ja) 純水の製造方法
JP4370413B2 (ja) 逆浸透膜を用いた溶液の処理方法
JPS60174736A (ja) アルコ−ルの濃縮方法
EP1236741B1 (en) Process for recovering cellulose ethers from aqueous solutions via enhanced shear ultrafiltration
CN109641828B (zh) 通过萃取从反应混合物中分离甲酸的方法
KR19980067316A (ko) 유기산의 회수방법

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term