JPH0510371B2 - - Google Patents

Info

Publication number
JPH0510371B2
JPH0510371B2 JP15218484A JP15218484A JPH0510371B2 JP H0510371 B2 JPH0510371 B2 JP H0510371B2 JP 15218484 A JP15218484 A JP 15218484A JP 15218484 A JP15218484 A JP 15218484A JP H0510371 B2 JPH0510371 B2 JP H0510371B2
Authority
JP
Japan
Prior art keywords
polyether
wastewater
conduit
membrane
concentrated
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.)
Expired - Lifetime
Application number
JP15218484A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6131430A (ja
Inventor
Kaoru Ueno
Shigeru Yoshida
Koji Shinno
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 JPS6131430A (ja) 1986-02-13
JPH0510371B2 true 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
JPS6131430A (ja) 1986-02-13

Similar Documents

Publication Publication Date Title
EP0358255B1 (en) Process for purifying crude glycerol
CA2706205C (en) Process for the purification of organic acids
KR100403412B1 (ko) 배수 처리법
US8859808B2 (en) Method for obtaining lactic acid with a high degree of purity from fermentative liquor
CN102307651B (zh) 从电渗析废弃物流回收甜菜碱的方法
JP2602713B2 (ja) 酸化エチレン／グリコールの回収方法
JP2006526061A (ja) 廃棄物流からグリコールのオリゴマーおよび重合触媒を回収するための方法
CN114906964B (zh) 一种pta废水处理系统及应用方法
JP2000281638A (ja) 尿素の分離方法
CN101767847A (zh) 一种基于膜技术的酸废液的纯化回收方法
US5118423A (en) Method of removing water from a dilute solution of n-methylmorpholine-n-oxide, n-methylmorpholine, or morpholine
CN109081478B (zh) 一种发酵废水的处理工艺
JPH0510371B2 (enExample)
US8293940B2 (en) Process for recovery and purification of lactic acid
AU769880B2 (en) Methods of isolating urea, urea compositions and methods for producing the same
KR101913466B1 (ko) 고온의 지하수 처리를 위한 정삼투 수처리 장치
KR101073726B1 (ko) 전기투석 및 직접회수방법을 이용한 당화액으로부터의 경제적인 자일로스의 제조공정
JP2000254644A (ja) 排水の処理方法
EP1236741B1 (en) Process for recovering cellulose ethers from aqueous solutions via enhanced shear ultrafiltration
JP4370413B2 (ja) 逆浸透膜を用いた溶液の処理方法
CN110028524A (zh) 一种制备甘油磷脂酰胆碱的工艺方法及其制得的甘油磷脂酰胆碱
EP3315485B1 (en) Crude glycerol purification process
TWI432580B (zh) 有機酸純化方法
JPS6323828A (ja) ジクロロヒドリンの製造方法
CN118955333A (zh) 一种一水肌酸生产系统及生产方法

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term