IT1096209B - Processo di chiarificazione di una soluzione polimerica prodotta per via microbica - Google Patents

Processo di chiarificazione di una soluzione polimerica prodotta per via microbica

Info

Publication number
IT1096209B
IT1096209B IT23387/78A IT2338778A IT1096209B IT 1096209 B IT1096209 B IT 1096209B IT 23387/78 A IT23387/78 A IT 23387/78A IT 2338778 A IT2338778 A IT 2338778A IT 1096209 B IT1096209 B IT 1096209B
Authority
IT
Italy
Prior art keywords
microbically
solution produced
polymeric solution
clarification process
clarification
Prior art date
Application number
IT23387/78A
Other languages
English (en)
Italian (it)
Other versions
IT7823387A0 (it
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of IT7823387A0 publication Critical patent/IT7823387A0/it
Application granted granted Critical
Publication of IT1096209B publication Critical patent/IT1096209B/it

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
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • C12P19/06—Xanthan, i.e. Xanthomonas-type heteropolysaccharides
    • 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
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/92—Biocidal
    • 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
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/935—Enhanced oil recovery
    • Y10S507/936—Flooding the formation

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Microbiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
IT23387/78A 1977-05-16 1978-05-12 Processo di chiarificazione di una soluzione polimerica prodotta per via microbica IT1096209B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/797,093 US4119491A (en) 1977-05-16 1977-05-16 Enzyme-filtration clarification of xanthan gum polymer solution

Publications (2)

Publication Number Publication Date
IT7823387A0 IT7823387A0 (it) 1978-05-12
IT1096209B true IT1096209B (it) 1985-08-26

Family

ID=25169881

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23387/78A IT1096209B (it) 1977-05-16 1978-05-12 Processo di chiarificazione di una soluzione polimerica prodotta per via microbica

Country Status (7)

Country Link
US (1) US4119491A (https=)
JP (1) JPS53145987A (https=)
DE (1) DE2820894C2 (https=)
FR (1) FR2391277A1 (https=)
GB (1) GB1598594A (https=)
IT (1) IT1096209B (https=)
NL (1) NL7805141A (https=)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1548078A (en) * 1977-03-14 1979-07-04 Tate & Lyle Ltd Process for the production of polysaccarides of controlled viscosity
FR2398874A1 (fr) * 1977-07-25 1979-02-23 Inst Francais Du Petrole Utilisation de mouts de fermentation pour la recuperation assistee du petrole
US4165257A (en) * 1978-03-13 1979-08-21 Continental Oil Company Biopolymer filterability improvement by caustic-enzyme treatment
KR830002802B1 (ko) * 1978-12-04 1983-12-16 제임스 에프 · 너우톤 박테리아 발효에 의한 다당류 s-60의 제조방법
US4326037A (en) * 1979-11-01 1982-04-20 The United States Of America As Represented By The United States Department Of Energy Enzymatic method for improving the injectability of polysaccharides
DE3160096D1 (en) * 1980-05-08 1983-04-07 Shell Int Research Clarification of polysaccharide-containing fermentation products
US4299825A (en) * 1980-07-03 1981-11-10 Celanese Corporation Concentrated xanthan gum solutions
DE3172841D1 (en) * 1980-09-29 1985-12-12 Shell Int Research Treatment of pseudoplastic polysaccharide solutions
FR2491494B1 (fr) * 1980-10-06 1985-11-29 Inst Francais Du Petrole Procede enzymatique de clarification de gommes xanthanes permettant d'ameliorer leur injectivite et leur filtrabilite
FR2506328A1 (fr) * 1981-05-22 1982-11-26 Inst Francais Du Petrole Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtration de leurs solutions aqueuses
US4639322A (en) * 1983-11-03 1987-01-27 Pfizer Inc. Biopolymer compositions having enhanced filterability
GB8431653D0 (en) * 1984-12-14 1985-01-30 Shell Int Research Filterability of microbial broth
FR2597503B1 (fr) * 1986-03-10 1988-12-30 Inst Francais Du Petrole Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtrabilite de leurs solutions aqueuses
FR2623207B1 (fr) * 1987-11-13 1990-05-18 Inst Francais Du Petrole Procede de purification d'un mout de polysaccharide dans le but d'en accroitre la filtrabilite et utilisation du mout purifie en recuperation assistee du petrole
US5019267A (en) * 1988-09-14 1991-05-28 Prowatec Gmbh Halle Process for mesophilic or thermophilic aerobico-enzymic conditioning of liquid organic substances and biomass
JPH03180608A (ja) * 1989-12-08 1991-08-06 Yoshida Kikai:Kk 道路除雪法
US5354671A (en) * 1992-06-26 1994-10-11 Shin-Etsu Chemical Co., Ltd. Enzymatic clarification of polysaccharides
JP3741734B2 (ja) 1994-06-30 2006-02-01 信越化学工業株式会社 キサンタンガムの回収精製方法
US8231921B2 (en) * 2006-12-15 2012-07-31 Cp Kelco U.S., Inc. High performance gellan gums and methods for production thereof
BRPI0804835A2 (pt) * 2008-11-06 2011-05-24 Quantas Biotecnologia S.A. processo industrial contìnuo para produção de polissacarìdeo sob a forma de caldo concentrado base água
US11001746B2 (en) 2016-08-10 2021-05-11 Geo Fossil Fuels, Llc Compositions comprising and methods of making bio-polymers
CN110258278B (zh) * 2019-06-28 2021-02-02 同济大学 利用微生物菌株处治水泥路面脱空的压浆材料及处理方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476741A (en) * 1967-01-20 1969-11-04 Nat Dairy Prod Corp Method for treating polysaccharides in the presence of an oxygen accepting agent
US3516983A (en) * 1968-01-11 1970-06-23 Kelco Co Treatment of xanthomonas hydrophilic colloid and resulting product
GB1288843A (https=) * 1969-07-12 1972-09-13
US3964972A (en) * 1970-03-02 1976-06-22 John Tinsman Patton Modified heteropolysaccharides
US3711462A (en) * 1970-04-01 1973-01-16 Mobil Oil Method of clarifying polysaccharide solutions
JPS5318520B2 (https=) * 1972-07-05 1978-06-15
US3919189A (en) * 1973-04-09 1975-11-11 Kelco Co Decreasing bacterial contamination of xanthan gum with propylene oxide
US4010071A (en) * 1974-10-10 1977-03-01 Merck & Co., Inc. Clarification of xanthan gum

Also Published As

Publication number Publication date
NL7805141A (nl) 1978-11-20
DE2820894C2 (de) 1986-07-31
GB1598594A (en) 1981-09-23
FR2391277B1 (https=) 1981-01-30
FR2391277A1 (fr) 1978-12-15
JPS53145987A (en) 1978-12-19
US4119491A (en) 1978-10-10
IT7823387A0 (it) 1978-05-12
JPS6244918B2 (https=) 1987-09-24
DE2820894A1 (de) 1978-11-30

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950529