SE8307166L - PROCEDURE FOR THE PREPARATION OF ETHANOL - Google Patents

PROCEDURE FOR THE PREPARATION OF ETHANOL

Info

Publication number
SE8307166L
SE8307166L SE8307166A SE8307166A SE8307166L SE 8307166 L SE8307166 L SE 8307166L SE 8307166 A SE8307166 A SE 8307166A SE 8307166 A SE8307166 A SE 8307166A SE 8307166 L SE8307166 L SE 8307166L
Authority
SE
Sweden
Prior art keywords
yeast
fermentor
stream
ethanol
circuit
Prior art date
Application number
SE8307166A
Other languages
Swedish (sv)
Other versions
SE8307166D0 (en
SE440793B (en
Inventor
A Hofstedt
Original Assignee
Ac Biotechnics Ab
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 Ac Biotechnics Ab filed Critical Ac Biotechnics Ab
Priority to SE8307166A priority Critical patent/SE440793B/en
Publication of SE8307166D0 publication Critical patent/SE8307166D0/en
Priority to EP85900254A priority patent/EP0194263A1/en
Priority to PCT/SE1984/000439 priority patent/WO1985002864A1/en
Publication of SE8307166L publication Critical patent/SE8307166L/en
Publication of SE440793B publication Critical patent/SE440793B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
    • C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
    • C12P7/06—Ethanol, i.e. non-beverage
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

Process for the production of ethanol by continuous fermentation of a carbohydrate containing substrate in presence of yeast in a fermentor (1) during simultaneous recovering of carbon dioxide of high purity, more specifically of a purity exceeding 95% by volume. High yeast concentration is maintained in the fermentor by maintaining the yeast in a circuit comprising the fermentor (1) and a separation step (11), in which a stream (10) of fermentation liquor from the the fermentor is divided into a yeast impoverished stream (13), which is fed to an ethanol recovering step, and a yeast enriched stream (12), which is returned to the fermentor, and further by adding to the fermentation liquor in said circuit an oxygen containing gas for achieving a growth of yeast that balances the yeast losses in the circuit. The characterizing feature of the process is that a liquid stream (8, 12) discharged from the fermentor (1) is atomized in an oxygen containing gas stream, whereafter the liquid phase is separated from the gas stream and returned to the fermeture.
SE8307166A 1983-12-27 1983-12-27 PROCEDURE FOR THE PREPARATION OF ETHANOL SE440793B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8307166A SE440793B (en) 1983-12-27 1983-12-27 PROCEDURE FOR THE PREPARATION OF ETHANOL
EP85900254A EP0194263A1 (en) 1983-12-27 1984-12-20 A process for the production of ethanol
PCT/SE1984/000439 WO1985002864A1 (en) 1983-12-27 1984-12-20 A process for the production of ethanol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8307166A SE440793B (en) 1983-12-27 1983-12-27 PROCEDURE FOR THE PREPARATION OF ETHANOL

Publications (3)

Publication Number Publication Date
SE8307166D0 SE8307166D0 (en) 1983-12-27
SE8307166L true SE8307166L (en) 1985-06-28
SE440793B SE440793B (en) 1985-08-19

Family

ID=20353891

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8307166A SE440793B (en) 1983-12-27 1983-12-27 PROCEDURE FOR THE PREPARATION OF ETHANOL

Country Status (3)

Country Link
EP (1) EP0194263A1 (en)
SE (1) SE440793B (en)
WO (1) WO1985002864A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2006299737B2 (en) * 2005-10-03 2011-05-26 3g9 Group Pty Ltd of Queensland Ethanol fermentation process and products
EP1943346B1 (en) 2005-10-03 2017-03-01 Alternative Fuels Corporation Pty Ltd Fermentation process for co-producing ethanol and yeast
CN111187717A (en) * 2019-07-17 2020-05-22 山东科技大学 Device for producing fuel ethanol by furfural residue forced circulation high-solid gas-lift fermentation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2938339B2 (en) * 1979-09-21 1981-06-19 Uhde Gmbh, 4600 Dortmund Process for the continuous fermentation of aqueous mashes for the production of alcohol and yeast biomass

Also Published As

Publication number Publication date
EP0194263A1 (en) 1986-09-17
SE8307166D0 (en) 1983-12-27
SE440793B (en) 1985-08-19
WO1985002864A1 (en) 1985-07-04

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