GB981269A - A process for the purification of organic auxiliary liquids - Google Patents

A process for the purification of organic auxiliary liquids

Info

Publication number
GB981269A
GB981269A GB23056/63A GB2305663A GB981269A GB 981269 A GB981269 A GB 981269A GB 23056/63 A GB23056/63 A GB 23056/63A GB 2305663 A GB2305663 A GB 2305663A GB 981269 A GB981269 A GB 981269A
Authority
GB
United Kingdom
Prior art keywords
liquids
purified
purification
organic auxiliary
auxiliary liquids
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
Application number
GB23056/63A
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of GB981269A publication Critical patent/GB981269A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B1/00—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
    • F01B1/06—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements with cylinders in star or fan arrangement
    • F01B1/0603—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements with cylinders in star or fan arrangement the connection of the pistons with an element being at the outer ends of the cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/014—Ion-exchange processes in general; Apparatus therefor in which the adsorbent properties of the ion-exchanger are involved, e.g. recovery of proteins or other high-molecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/28—Post-polymerisation treatments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D15/00—Varying compression ratio
    • F02D15/04—Varying compression ratio by alteration of volume of compression space without changing piston stroke

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Removal Of Specific Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)

Abstract

A number of organic liquids are purified by treatment with ion exchangers alone or in conjunction with active carbon or aluminium oxide. Specification 943,177 is referred to.ALSO:Organic auxiliary liquids from the polymerization of formaldehyde are purified by contact with an acid and/or basic and/or a neutral ion exchanger. The liquids may be purified in a continuous manner and recycled to the formaldehyde polymerization which may include the steps of acylating or alkylating the polymer. Specification 913,177 is referred to.
GB23056/63A 1962-06-13 1963-06-10 A process for the purification of organic auxiliary liquids Expired GB981269A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF37052A DE1180128B (en) 1962-06-13 1962-06-13 Process for the recycling of organic auxiliary fluids that are wasted in the production of polyoxymethylenes or their esters or ethers

Publications (1)

Publication Number Publication Date
GB981269A true GB981269A (en) 1965-01-20

Family

ID=7096714

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23056/63A Expired GB981269A (en) 1962-06-13 1963-06-10 A process for the purification of organic auxiliary liquids

Country Status (4)

Country Link
DE (1) DE1180128B (en)
FR (1) FR1360134A (en)
GB (1) GB981269A (en)
NL (1) NL294022A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446854A (en) * 1967-02-01 1969-05-27 Tenneco Chem Process for the production of paraformaldehyde

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1037705B (en) * 1952-08-30 1958-08-28 Du Pont Process for the polymerization of formaldehyde

Also Published As

Publication number Publication date
DE1180128B (en) 1964-10-22
FR1360134A (en) 1964-04-30
NL294022A (en) 1958-04-12

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