DE69815354D1 - Verfahren zur wiedergewinnung von ameisensäure - Google Patents

Verfahren zur wiedergewinnung von ameisensäure

Info

Publication number
DE69815354D1
DE69815354D1 DE69815354T DE69815354T DE69815354D1 DE 69815354 D1 DE69815354 D1 DE 69815354D1 DE 69815354 T DE69815354 T DE 69815354T DE 69815354 T DE69815354 T DE 69815354T DE 69815354 D1 DE69815354 D1 DE 69815354D1
Authority
DE
Germany
Prior art keywords
formic acid
acid
free
chemically bound
recovering formic
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
DE69815354T
Other languages
English (en)
Other versions
DE69815354T2 (de
Inventor
Petteri Rousu
Rainer Anttila
Juhani Rousu
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.)
Chempolis Oy
Original Assignee
Chempolis Oy
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 Chempolis Oy filed Critical Chempolis Oy
Publication of DE69815354D1 publication Critical patent/DE69815354D1/de
Application granted granted Critical
Publication of DE69815354T2 publication Critical patent/DE69815354T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Saccharide Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
DE69815354T 1997-08-22 1998-08-18 Verfahren zur wiedergewinnung von ameisensäure Expired - Lifetime DE69815354T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI973474 1997-08-22
FI973474A FI108233B (fi) 1997-08-22 1997-08-22 Menetelmä muurahaishapon talteenottamiseksi
PCT/FI1998/000635 WO1999010595A1 (en) 1997-08-22 1998-08-18 Method for the recovery of formic acid

Publications (2)

Publication Number Publication Date
DE69815354D1 true DE69815354D1 (de) 2003-07-10
DE69815354T2 DE69815354T2 (de) 2004-05-13

Family

ID=8549408

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69815354T Expired - Lifetime DE69815354T2 (de) 1997-08-22 1998-08-18 Verfahren zur wiedergewinnung von ameisensäure

Country Status (13)

Country Link
US (1) US6252109B1 (de)
EP (1) EP1005586B1 (de)
CN (1) CN1100915C (de)
AT (1) ATE242354T1 (de)
AU (1) AU744767B2 (de)
BR (1) BR9811343B1 (de)
CA (1) CA2300114C (de)
DE (1) DE69815354T2 (de)
DK (1) DK1005586T3 (de)
ES (1) ES2200360T3 (de)
FI (1) FI108233B (de)
PT (1) PT1005586E (de)
WO (1) WO1999010595A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI108234B (fi) 2000-02-28 2001-12-14 Chempolis Oy Menetelmä massan valmistamiseksi
FI117632B (fi) * 2001-07-13 2006-12-29 Chempolis Oy Menetelmä massan valmistamiseksi
US8580541B2 (en) * 2003-03-19 2013-11-12 The Trustees Of Dartmouth College Lignin blockers and uses thereof
US7604967B2 (en) * 2003-03-19 2009-10-20 The Trustees Of Dartmouth College Lignin-blocking treatment of biomass and uses thereof
US8460901B2 (en) 2010-05-18 2013-06-11 Georgia Tech Research Corporation Formic acid treatments of biomass feedstock
FI123052B (fi) * 2011-09-23 2012-10-15 Chempolis Oy Esikäsittelymenetelmä vesiliukoisten sokereiden tuottamiseksi lignoselluloosamateriaalista
FI126451B (fi) * 2014-12-23 2016-12-15 Chempolis Oy Prosessijärjestelmä kemikaalien erottelemiseksi, tislauskolonnijärjestely ja kemikaalien erottelumenetelmä
CN105294164B (zh) 2015-12-03 2018-01-19 歌尔股份有限公司 吸音材料颗粒的制备方法和吸音材料颗粒
FI130441B (en) 2020-03-31 2023-09-01 Chempolis Oy Hydrolysis of cellulose esters
CN112048933B (zh) * 2020-09-07 2022-11-15 齐鲁工业大学 化机浆和半化学浆的生产方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI85510C (fi) * 1990-05-29 1992-04-27 Kemira Oy Foerfarande foer aotervinning av laegre alifatisk syra.

Also Published As

Publication number Publication date
FI108233B (fi) 2001-12-14
EP1005586A1 (de) 2000-06-07
CA2300114A1 (en) 1999-03-04
FI973474A0 (fi) 1997-08-22
US6252109B1 (en) 2001-06-26
FI973474A (fi) 1999-02-23
WO1999010595A1 (en) 1999-03-04
DK1005586T3 (da) 2003-09-22
BR9811343A (pt) 2000-09-12
AU744767B2 (en) 2002-03-07
DE69815354T2 (de) 2004-05-13
AU8809698A (en) 1999-03-16
ATE242354T1 (de) 2003-06-15
ES2200360T3 (es) 2004-03-01
EP1005586B1 (de) 2003-06-04
BR9811343B1 (pt) 2008-11-18
CA2300114C (en) 2007-03-20
CN1267344A (zh) 2000-09-20
CN1100915C (zh) 2003-02-05
PT1005586E (pt) 2003-10-31

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Legal Events

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