IT1078376B - Purificazione della formaldeide per separazione - Google Patents

Purificazione della formaldeide per separazione

Info

Publication number
IT1078376B
IT1078376B IT19182/77A IT1918277A IT1078376B IT 1078376 B IT1078376 B IT 1078376B IT 19182/77 A IT19182/77 A IT 19182/77A IT 1918277 A IT1918277 A IT 1918277A IT 1078376 B IT1078376 B IT 1078376B
Authority
IT
Italy
Prior art keywords
formaldehyde
purification
separation
Prior art date
Application number
IT19182/77A
Other languages
English (en)
Italian (it)
Original Assignee
Asahi Chemical Ind
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 Ind filed Critical Asahi Chemical Ind
Application granted granted Critical
Publication of IT1078376B publication Critical patent/IT1078376B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/79—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S95/00—Gas separation: processes
    • Y10S95/90—Solid sorbent
    • Y10S95/902—Molecular sieve

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
IT19182/77A 1976-01-22 1977-01-11 Purificazione della formaldeide per separazione IT1078376B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP544776A JPS5289570A (en) 1976-01-22 1976-01-22 Gaseous phase separation

Publications (1)

Publication Number Publication Date
IT1078376B true IT1078376B (it) 1985-05-08

Family

ID=11611452

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19182/77A IT1078376B (it) 1976-01-22 1977-01-11 Purificazione della formaldeide per separazione

Country Status (4)

Country Link
US (2) US4137054A (enExample)
JP (1) JPS5289570A (enExample)
FR (1) FR2338919A1 (enExample)
IT (1) IT1078376B (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529416A (en) * 1983-02-11 1985-07-16 Air Products And Chemicals, Inc. Gas separation kinetics in commercial pellets
ES2041298T3 (es) * 1988-02-11 1993-11-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procedimiento para la separacion de al menos un gas de una mezcla que contiene al menos dos gases.
US4892567A (en) * 1988-08-15 1990-01-09 Mobil Oil Corporation Simultaneous removal of mercury and water from fluids
US5271762A (en) * 1992-09-29 1993-12-21 Schoofs Gregory R Apparatus and method for air drying with reduced oxygen enrichment
US5354360A (en) * 1993-01-11 1994-10-11 Air Products And Chemicals, Inc. Magnesium A-zeolite for nitrogen adsorption
US5464467A (en) * 1994-02-14 1995-11-07 The Boc Group, Inc. Adsorptive separation of nitrogen from other gases
DE69900656T2 (de) 1998-03-18 2002-08-14 The Boc Group, Inc. Verfahren zur Trennung von Alkenen und Alkanen
US6281362B1 (en) * 2000-06-23 2001-08-28 Koel Chemical Company, Ltd. Method for producing pyridine bases
WO2005051878A1 (ja) * 2003-11-27 2005-06-09 Toudai Tlo Ltd アルデヒド担持ゼオライト
JP2015506908A (ja) * 2012-02-17 2015-03-05 ルーサイト インターナショナル ユーケー リミテッド ホルムアルデヒドの水含有供給源の脱水、およびエチレン性不飽和カルボン酸エステルを生成するための方法
WO2013121594A1 (en) * 2012-02-17 2013-08-22 Mitsubishi Rayon Co., Ltd. Dehydration of water containing source of formaldehyde, and a method for producing an ethylenically unsaturated carboxylic ester

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2882243A (en) * 1953-12-24 1959-04-14 Union Carbide Corp Molecular sieve adsorbents
US2882244A (en) * 1953-12-24 1959-04-14 Union Carbide Corp Molecular sieve adsorbents
US3186144A (en) * 1959-09-04 1965-06-01 Nat Tank Co Processes and apparatus for recovering hydrocarbons from gas streams
US3118747A (en) * 1960-10-29 1964-01-21 It Resine Soc Process for purifying gaseous formaldehyde
NL297067A (enExample) * 1962-09-04 1900-01-01
US3493618A (en) * 1965-10-20 1970-02-03 Allied Chem Process for the separation of ketones
US3597169A (en) * 1968-11-13 1971-08-03 Exxon Research Engineering Co Process for demethanization of liquid oxygen
US3658696A (en) * 1969-06-17 1972-04-25 Texaco Inc Selected adsorption with a silanized crystalline alumino-silicate
US3636679A (en) * 1971-01-04 1972-01-25 Union Carbide Corp Selective adsorption gas separation process
US3998901A (en) * 1975-07-14 1976-12-21 Universal Oil Products Company Separation of ethylbenzene with an adsorbent comprising sr and k exchanged x or y zeolite
JPS5212113A (en) * 1975-07-17 1977-01-29 Mitsubishi Chem Ind Ltd Process for purification of formaldehyde
US4025321A (en) * 1975-09-30 1977-05-24 Union Carbide Corporation Purification of natural gas streams containing oxygen

Also Published As

Publication number Publication date
FR2338919B1 (enExample) 1980-10-10
US4137054A (en) 1979-01-30
JPS5289570A (en) 1977-07-27
US4285811A (en) 1981-08-25
FR2338919A1 (fr) 1977-08-19

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