JPS5581828A - Removal of by-produced aromatic hydrocarbons - Google Patents

Removal of by-produced aromatic hydrocarbons

Info

Publication number
JPS5581828A
JPS5581828A JP15435978A JP15435978A JPS5581828A JP S5581828 A JPS5581828 A JP S5581828A JP 15435978 A JP15435978 A JP 15435978A JP 15435978 A JP15435978 A JP 15435978A JP S5581828 A JPS5581828 A JP S5581828A
Authority
JP
Japan
Prior art keywords
methanol
aromatic hydrocarbons
phenols
produced aromatic
products
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
JP15435978A
Other languages
Japanese (ja)
Other versions
JPS6218533B2 (en
Inventor
Akitoshi Sugio
Shizuo Togo
Kenichiro Hashimoto
Chiharu Nishizawa
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.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co 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 Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Priority to JP15435978A priority Critical patent/JPS5581828A/en
Publication of JPS5581828A publication Critical patent/JPS5581828A/en
Publication of JPS6218533B2 publication Critical patent/JPS6218533B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To remove by-produced aromatic hydrocarbons exclusively and efficiently, from methanol recovered from methylation products obtained by the vapor-phase catalytic reaction of phenols and methanol, by controlling the cooling temperature of gas products within a specific range.
CONSTITUTION: In the preparation of methylated phenols by the vapor-phase catalytic reaction of phenols and methanol, gas products separated from reaction products are cooled to -10W+15°C, pref. -5W+10°C, and discharged, whereby trace amounts of by-produced aromatic hydrocarbons, such as benzene, toluene and xylene, can be subtantially removed out of the system. Unreacted methanol, which is recovered in this way, can be recycled and reused without troubles.
COPYRIGHT: (C)1980,JPO&Japio
JP15435978A 1978-12-14 1978-12-14 Removal of by-produced aromatic hydrocarbons Granted JPS5581828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15435978A JPS5581828A (en) 1978-12-14 1978-12-14 Removal of by-produced aromatic hydrocarbons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15435978A JPS5581828A (en) 1978-12-14 1978-12-14 Removal of by-produced aromatic hydrocarbons

Publications (2)

Publication Number Publication Date
JPS5581828A true JPS5581828A (en) 1980-06-20
JPS6218533B2 JPS6218533B2 (en) 1987-04-23

Family

ID=15582424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15435978A Granted JPS5581828A (en) 1978-12-14 1978-12-14 Removal of by-produced aromatic hydrocarbons

Country Status (1)

Country Link
JP (1) JPS5581828A (en)

Also Published As

Publication number Publication date
JPS6218533B2 (en) 1987-04-23

Similar Documents

Publication Publication Date Title
JP3945855B2 (en) Method for producing bisphenols
KR960034150A (en) Nose-cracking of bisphenol-A and phenol-treated tar
GB2096139A (en) Method for making aromatic bis(ether anhydrides)
ES8307696A1 (en) Recovery of a cumene/alpha-methylstyrene fraction from a mixture thereof with phenol and water
JPS5581828A (en) Removal of by-produced aromatic hydrocarbons
JPS5274698A (en) Process for preparing aromatic polymers
JPS52103390A (en) Removal of acidic substances from reaction product
JPS5527117A (en) Preparation of isopropenylphenol
EP0311689A4 (en) Process for selectively monohydroformylating diolefin.
GB1499276A (en) Production of aryl ketones by the acylation of non-hydroxylated aromatic compounds
SE7909868L (en) THERMAL HYDRODEAL COOLING OF ALKYLPHENOLS
MY105606A (en) Heat integration process.
JPS6123772B2 (en)
GB1500676A (en) Production of cresols
US4283567A (en) Method for recovering resorcinol
US3115501A (en) Sultone manufacture
EP0108540A1 (en) Preparation of phenyl esters in the presence of boric anhydride
JPS5452040A (en) Recovering of resorcinol
JPS5353626A (en) Purification of divalent phenol
EP0080372A3 (en) Process for removal of residual organic matter and color from purified phosphoric acid
UA37193C2 (en) method for purification of cresylic acid
JPS56127329A (en) Preparation of monochloroacetic acid
JPS5738878A (en) Preparation of electrical insulating oil, solvent for pressure-sensitive paper and heat medium oil
SU518882A1 (en) Catalyst for decomposition of alkyl-aromatic hydroperoxides
JPS5630929A (en) Production of styrene or benzen nucleus-substituted styrene