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HK68997A - Multistage method for deep desulfurization of fossil fuels - Google Patents

Multistage method for deep desulfurization of fossil fuels Download PDF

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Publication number
HK68997A
HK68997A HK68997A HK68997A HK68997A HK 68997 A HK68997 A HK 68997A HK 68997 A HK68997 A HK 68997A HK 68997 A HK68997 A HK 68997A HK 68997 A HK68997 A HK 68997A
Authority
HK
Hong Kong
Prior art keywords
sulfur
fossil fuel
hds
biocatalyst
desulfurization
Prior art date
Application number
HK68997A
Other languages
German (de)
English (en)
Inventor
Daniel J. Monticello
Original Assignee
Energy Biosystems Corporation
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 Energy Biosystems Corporation filed Critical Energy Biosystems Corporation
Publication of HK68997A publication Critical patent/HK68997A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G32/00—Refining of hydrocarbon oils by electric or magnetic means, by irradiation, or by using microorganisms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
    • C10G67/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Treating Waste Gases (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Claims (6)

  1. Une méthode de production d'un combustible fossile liquide désulfuré de façon poussée, approprié à la combustion, sans désulfuration postcombustion, ledit combustible ayant une teneur en soufre résiduelle totale inférieure à environ 0,05% du poids, la méthode comprenant les étapes de :
    (a) soumettre un combustible fossile liquide contenant du soufre organique, ledit soufre organique comprenant des hétérocycles aromatiques portant du soufre, à
    i) une hydrodésulfuration (HDS) ou
    ii) une désulfuration catabolique microbienne (MDS),
    par laquelle ledit combustible fossile liquide est appauvri en ce qui concerne les formes de soufre organique susceptibles d'être enlevées par HDS ou MDS, mais n'est pas essentiellement appauvri en hétérocycles aromatiques portant du soufre; et
    (b) soumettre le combustible fossile liquide contenant des hétérocycles aromatiques portant du soufre à une désulfuration biocatalytique (BDS), ledit traitement BDS comprenant
    i) la mise en contact dudit combustible fossile liquide avec un biocatalyseur comprenant
    A) un ou plusieurs microorganismes exprimant des enzymes qui catalysent, par une réaction de clivage spécifique du soufre, l'enlèvement du soufre, à partir d'hétérocycles aromatiques portant du soufre, de sorte que des molécules organiques désulfurées et du soufre inorganique sont produits, à partir de ceux-ci,
    B) des enzymes obtenues à partir de tels microorganismes, ou
    C) des mélanges de tels microorganismes et d'enzymes;
    ii) l'incubation du combustible fossile liquide avec le biocatalyseur, pour enlever du soufre, à partir d'hétérocycles aromatiques portant du soufre grâce audit biocatalyseur, au moyen duquel des molécules organiques désulfurées et du soufre inorganique sont produits; et
    iii) la séparation des molécules organiques désulfurées et du soufre inorganique produits lors de l'incubation de l'étape (b) (ii),
    la combinaison de l'étape (a) avec l'étape (b) étant suffisante pour produire un combustible fossile liquide ayant une teneur en soufre résiduelle totale inférieure à environ 0,05% du poids.
  2. Une méthode, conformément à la revendication 1, dans laquelle le combustible fossile liquide est soumis à un traitement HDS, dans l'étape (a).
  3. Une méthode, conformément à la revendication 2, dans laquelle le biocatalyseur enlève du soufre des hétérocycles aromatiques portant du soufre, par une réaction de clivage oxydative spécifique du soufre, en présence d'oxygène.
  4. Une méthode, conformément à la revendication 3, dans laquelle le biocatalyseur comprend une culture des bactéries Rhodococcus rhodochrous ATCC No. 53968 ou un dérivé de celle-ci; des enzymes obtenues à partir de bactéries Rhodococcus rhodochrous ATCC No. 53968 ou un dérivé de celles-ci; ou un mélange desdites bactéries et desdites enzymes.
  5. Une méthode, conformément à la revendication 4, dans laquelle le biocatalyseur comprend une culture des bactéries Rhodococcus rhodochrous ATCC No. 53968.
  6. Une méthode, conformément à la revendication 3, comprenant l'étape additionnelle de mettre en contact le combustible fossile liquide avec une source d'oxygène avant l'incubation de l'étape (b)(ii), de sorte que la quantité d'oxygène, dans ledit combustible fossile, est augmentée, pour rehausser le taux d'enlèvement du soufre, à partir d'hétérocycles aromatiques portant du soufre, par le biocatalyseur.
HK68997A 1991-03-15 1997-05-22 Multistage method for deep desulfurization of fossil fuels HK68997A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/669,914 US5232854A (en) 1991-03-15 1991-03-15 Multistage system for deep desulfurization of fossil fuels

Publications (1)

Publication Number Publication Date
HK68997A true HK68997A (en) 1997-05-30

Family

ID=24688242

Family Applications (1)

Application Number Title Priority Date Filing Date
HK68997A HK68997A (en) 1991-03-15 1997-05-22 Multistage method for deep desulfurization of fossil fuels

Country Status (13)

Country Link
US (2) US5232854A (fr)
EP (1) EP0576557B1 (fr)
JP (1) JPH06506016A (fr)
KR (1) KR100188615B1 (fr)
CN (1) CN1032483C (fr)
AT (1) ATE116679T1 (fr)
AU (1) AU656962B2 (fr)
BR (1) BR9205746A (fr)
CA (1) CA2105779A1 (fr)
DE (1) DE69201131T2 (fr)
ES (1) ES2066615T3 (fr)
HK (1) HK68997A (fr)
WO (1) WO1992016602A2 (fr)

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US20110220550A1 (en) * 2010-03-15 2011-09-15 Abdennour Bourane Mild hydrodesulfurization integrating targeted oxidative desulfurization to produce diesel fuel having an ultra-low level of organosulfur compounds
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Also Published As

Publication number Publication date
US5232854A (en) 1993-08-03
US5387523A (en) 1995-02-07
WO1992016602A2 (fr) 1992-10-01
CA2105779A1 (fr) 1992-09-16
BR9205746A (pt) 1994-09-27
WO1992016602A3 (fr) 1992-12-23
DE69201131D1 (de) 1995-02-16
AU656962B2 (en) 1995-02-23
ES2066615T3 (es) 1995-03-01
DE69201131T2 (de) 1995-08-03
ATE116679T1 (de) 1995-01-15
CN1064880A (zh) 1992-09-30
KR100188615B1 (ko) 1999-06-01
EP0576557A1 (fr) 1994-01-05
EP0576557B1 (fr) 1995-01-04
CN1032483C (zh) 1996-08-07
AU1643992A (en) 1992-10-21
JPH06506016A (ja) 1994-07-07

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)