JPS57149258A - Recovering method of acetone cyanhydrin - Google Patents

Recovering method of acetone cyanhydrin

Info

Publication number
JPS57149258A
JPS57149258A JP3522881A JP3522881A JPS57149258A JP S57149258 A JPS57149258 A JP S57149258A JP 3522881 A JP3522881 A JP 3522881A JP 3522881 A JP3522881 A JP 3522881A JP S57149258 A JPS57149258 A JP S57149258A
Authority
JP
Japan
Prior art keywords
acetone
fed
prussic acid
column
resultant
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
JP3522881A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0132819B2 (enrdf_load_stackoverflow
Inventor
Hiroaki Kai
Hirohito Goto
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Priority to JP3522881A priority Critical patent/JPS57149258A/ja
Publication of JPS57149258A publication Critical patent/JPS57149258A/ja
Publication of JPH0132819B2 publication Critical patent/JPH0132819B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP3522881A 1981-03-13 1981-03-13 Recovering method of acetone cyanhydrin Granted JPS57149258A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3522881A JPS57149258A (en) 1981-03-13 1981-03-13 Recovering method of acetone cyanhydrin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3522881A JPS57149258A (en) 1981-03-13 1981-03-13 Recovering method of acetone cyanhydrin

Publications (2)

Publication Number Publication Date
JPS57149258A true JPS57149258A (en) 1982-09-14
JPH0132819B2 JPH0132819B2 (enrdf_load_stackoverflow) 1989-07-10

Family

ID=12435973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3522881A Granted JPS57149258A (en) 1981-03-13 1981-03-13 Recovering method of acetone cyanhydrin

Country Status (1)

Country Link
JP (1) JPS57149258A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50111020A (enrdf_load_stackoverflow) * 1974-02-13 1975-09-01
JPS5111714A (ja) * 1974-07-19 1976-01-30 Sumitomo Chemical Co Asetonshianhidorinno seiseiho

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50111020A (enrdf_load_stackoverflow) * 1974-02-13 1975-09-01
JPS5111714A (ja) * 1974-07-19 1976-01-30 Sumitomo Chemical Co Asetonshianhidorinno seiseiho

Also Published As

Publication number Publication date
JPH0132819B2 (enrdf_load_stackoverflow) 1989-07-10

Similar Documents

Publication Publication Date Title
GB1593117A (en) Process for the recovery of catalyst and solvent from the mother lquor of a process for the synthesis of therephthalic acid
CA2042409A1 (en) Extraction process for removal of impurities from terephthalic acid filtrate
JP4681192B2 (ja) 無水蟻酸の製造法の場合の排水の清浄化
JPS5452027A (en) Separation of methacrolein and methacrylic acid
JPS57209233A (en) Decomposing method of methyl-tert-butyl ether
US4038329A (en) Process for purification of neopentyl glycol
JPS57149258A (en) Recovering method of acetone cyanhydrin
GB1514660A (en) Purification of propionic acid
US4049782A (en) Process for producing pure concentrated ammonia
JP4224877B2 (ja) 精製フェノールの製造方法
US3173961A (en) Process for the separation of the products obtained through the nitration of cyclohexane in gaseous phase
US3871971A (en) Extractive recovery of a manganese acetate catalyst from residue recovered from distillation of an acetic acid feed produced by the oxidation of acetaldehyde
EP0497759B1 (en) Process for the recovery of catalyst values
JP3907749B2 (ja) アセトニトリルの精製法
CN223163312U (zh) 硝化废水中提取硝酸钠的系统
SU621668A1 (ru) Способ очистки метанола,содержащегос в отходах производства поливинилового спирта
KR100496042B1 (ko) 테레프탈산 제조 공정에서 산화 촉매 물질의 회수방법
JPS5663827A (en) Rhodium separating and recovering method
JPS5679634A (en) Separation of methacrylic acid
JPS5547118A (en) Purification of gas containing impurity
SU1227621A2 (ru) Способ получени щавелевой кислоты
RU2118636C1 (ru) Способ выделения уксусной кислоты
JPS6310136B2 (enrdf_load_stackoverflow)
KR810001466B1 (ko) 테레프탈산의 제조법
JPS5551704A (en) Treating method for anhydrous sodium dithionite production filtrate