NL8201119A - Werkwijze voor de bereiding van koolwaterstofoliedestillaten. - Google Patents

Werkwijze voor de bereiding van koolwaterstofoliedestillaten. Download PDF

Info

Publication number: NL8201119A
Authority: NL; Netherlands
Prior art keywords: feed; stream; asphaltenes; process according; fraction
Prior art date: 1982-03-18

Application number

NL8201119A

Other languages

English (en)

Dutch (nl)

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.)

1982-03-18

Filing date

1982-03-18

Publication date

1983-10-17

1982-03-18 Application filed by Shell Int Research filed Critical Shell Int Research

1982-03-18 Priority to NL8201119A priority Critical patent/NL8201119A/nl

1982-09-30 Priority to US06/429,778 priority patent/US4400264A/en

1983-02-17 Priority to DE8383200246T priority patent/DE3361368D1/de

1983-02-17 Priority to EP83200246A priority patent/EP0090437B1/fr

1983-02-23 Priority to CA000422173A priority patent/CA1195638A/fr

1983-03-16 Priority to SU833568910A priority patent/SU1424740A3/ru

1983-03-16 Priority to AU12505/83A priority patent/AU555121B2/en

1983-03-16 Priority to MX196597A priority patent/MX162350A/es

1983-03-16 Priority to ES520644A priority patent/ES8401515A1/es

1983-03-16 Priority to ZA831834A priority patent/ZA831834B/xx

1983-03-16 Priority to JP58042518A priority patent/JPS58201889A/ja

1983-10-17 Publication of NL8201119A publication Critical patent/NL8201119A/nl

Links

229930195733 hydrocarbon Natural products 0.000 title claims description 57
150000002430 hydrocarbons Chemical class 0.000 title claims description 57
239000004215 Carbon black (E152) Substances 0.000 title claims description 50
238000004519 manufacturing process Methods 0.000 title description 2
238000000034 method Methods 0.000 claims description 64
238000004227 thermal cracking Methods 0.000 claims description 61
239000000203 mixture Substances 0.000 claims description 47
230000003197 catalytic effect Effects 0.000 claims description 23
238000004821 distillation Methods 0.000 claims description 22
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 21
239000003054 catalyst Substances 0.000 claims description 21
239000010426 asphalt Substances 0.000 claims description 20
239000002904 solvent Substances 0.000 claims description 16
238000005336 cracking Methods 0.000 claims description 15
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
229910052751 metal Inorganic materials 0.000 claims description 14
239000002184 metal Substances 0.000 claims description 14
238000005292 vacuum distillation Methods 0.000 claims description 14
238000009434 installation Methods 0.000 claims description 13
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
239000001257 hydrogen Substances 0.000 claims description 10
229910052739 hydrogen Inorganic materials 0.000 claims description 10
229910052759 nickel Inorganic materials 0.000 claims description 10
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
229910052750 molybdenum Inorganic materials 0.000 claims description 7
239000011733 molybdenum Substances 0.000 claims description 7
238000002360 preparation method Methods 0.000 claims description 7
239000000377 silicon dioxide Substances 0.000 claims description 7
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 6
229910052720 vanadium Inorganic materials 0.000 claims description 6
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 6
239000010941 cobalt Substances 0.000 claims description 5
229910017052 cobalt Inorganic materials 0.000 claims description 5
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
239000003208 petroleum Substances 0.000 claims description 5
238000011282 treatment Methods 0.000 claims description 5
238000009835 boiling Methods 0.000 claims description 3
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
229910052721 tungsten Inorganic materials 0.000 claims description 2
239000010937 tungsten Substances 0.000 claims description 2
238000006243 chemical reaction Methods 0.000 claims 1
230000035611 feeding Effects 0.000 claims 1
238000001465 metallisation Methods 0.000 claims 1
239000000047 product Substances 0.000 description 56
239000003921 oil Substances 0.000 description 36
239000000306 component Substances 0.000 description 21
239000007789 gas Substances 0.000 description 9
238000010586 diagram Methods 0.000 description 7
235000012041 food component Nutrition 0.000 description 7
239000006227 byproduct Substances 0.000 description 6
150000002739 metals Chemical class 0.000 description 4
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
238000004523 catalytic cracking Methods 0.000 description 3
239000010779 crude oil Substances 0.000 description 3
229910052717 sulfur Inorganic materials 0.000 description 3
239000011593 sulfur Substances 0.000 description 3
OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
239000000295 fuel oil Substances 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
150000001336 alkenes Chemical class 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
229910052681 coesite Inorganic materials 0.000 description 1
229910052593 corundum Inorganic materials 0.000 description 1
229910052906 cristobalite Inorganic materials 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
239000005428 food component Substances 0.000 description 1
239000000446 fuel Substances 0.000 description 1
239000003502 gasoline Substances 0.000 description 1
239000003350 kerosene Substances 0.000 description 1
JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
238000002203 pretreatment Methods 0.000 description 1
239000001294 propane Substances 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
239000010454 slate Substances 0.000 description 1
229910052682 stishovite Inorganic materials 0.000 description 1
239000011275 tar sand Substances 0.000 description 1
229910052905 tridymite Inorganic materials 0.000 description 1
229910001845 yogo sapphire Inorganic materials 0.000 description 1

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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
- C10G45/04—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used
- C10G45/06—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof
- C10G45/08—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof in combination with chromium, molybdenum, or tungsten metals, or compounds thereof
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/107—Atmospheric residues having a boiling point of at least about 538 °C

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)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

NL8201119A 1982-03-18 1982-03-18 Werkwijze voor de bereiding van koolwaterstofoliedestillaten. NL8201119A (nl)

Priority Applications (11)

Application Number	Priority Date	Filing Date	Title
NL8201119A NL8201119A (nl)	1982-03-18	1982-03-18	Werkwijze voor de bereiding van koolwaterstofoliedestillaten.
US06/429,778 US4400264A (en)	1982-03-18	1982-09-30	Process for the preparation of hydrocarbon oil distillates
DE8383200246T DE3361368D1 (en)	1982-03-18	1983-02-17	Process for the production of hydrocarbon oil distillates
EP83200246A EP0090437B1 (fr)	1982-03-18	1983-02-17	Procédé pour la production de distillates d'hydrocarbures
CA000422173A CA1195638A (fr)	1982-03-18	1983-02-23	Methode de production des distillats d'hydrocarbures bruts
SU833568910A SU1424740A3 (ru)	1982-03-18	1983-03-16	Способ получени дистилл тных углеводородных фракций
AU12505/83A AU555121B2 (en)	1982-03-18	1983-03-16	Multi step process for the production of hydrocarbon oil distillates
MX196597A MX162350A (es)	1982-03-18	1983-03-16	Procedimiento para la produccion de destilados de aceites hidrocarbonados
ES520644A ES8401515A1 (es)	1982-03-18	1983-03-16	Un procedimiento para la produccion de destilados de aceites hidrocarbonadas que continen asfaltenos.
ZA831834A ZA831834B (en)	1982-03-18	1983-03-16	Process for the production of hydrocarbon oil distillates
JP58042518A JPS58201889A (ja)	1982-03-18	1983-03-16	炭化水素油留出物の製法

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL8201119A NL8201119A (nl)	1982-03-18	1982-03-18	Werkwijze voor de bereiding van koolwaterstofoliedestillaten.
NL8201119		1982-03-18

Publications (1)

Publication Number	Publication Date
NL8201119A true NL8201119A (nl)	1983-10-17

Family

ID=19839433

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8201119A NL8201119A (nl)	1982-03-18	1982-03-18	Werkwijze voor de bereiding van koolwaterstofoliedestillaten.

Country Status (11)

Country	Link
US (1)	US4400264A (fr)
EP (1)	EP0090437B1 (fr)
JP (1)	JPS58201889A (fr)
AU (1)	AU555121B2 (fr)
CA (1)	CA1195638A (fr)
DE (1)	DE3361368D1 (fr)
ES (1)	ES8401515A1 (fr)
MX (1)	MX162350A (fr)
NL (1)	NL8201119A (fr)
SU (1)	SU1424740A3 (fr)
ZA (1)	ZA831834B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8105660A (nl) *	1981-12-16	1983-07-18	Shell Int Research	Werkwijze voor de bereiding van koolwaterstofoliedestillaten.
NL8201243A (nl) *	1982-03-25	1983-10-17	Shell Int Research	Werkwijze voor de bereiding van asfaltanenarme koolwaterstofmengsel.
US4462895A (en) *	1983-02-25	1984-07-31	Exxon Research & Engineering Co.	Combination visbreaking and hydrorefining with recycle of hydrorefined bottoms
US4469587A (en) *	1983-09-02	1984-09-04	Intevep, S.A.	Process for the conversion of asphaltenes and resins in the presence of steam, ammonia and hydrogen
JPS6072989A (ja) *	1983-09-30	1985-04-25	Res Assoc Residual Oil Process<Rarop>	重質油の熱分解方法
US4579646A (en) *	1984-07-13	1986-04-01	Atlantic Richfield Co.	Bottoms visbreaking hydroconversion process
CA1222471A (fr) *	1985-06-28	1987-06-02	H. John Woods	Methode pour ameliorer le rendement des produits distillables dans le craquage a diluant donneur d'hydrogene
US4695367A (en) *	1986-03-24	1987-09-22	The M. W. Kellogg Company	Diesel fuel production
US4721557A (en) *	1986-10-08	1988-01-26	Uop Inc.	Combination process for the conversion of a residual asphaltene-containing hydrocarbonaceous stream to maximize middle distillate production
US5601697A (en) *	1994-08-04	1997-02-11	Ashland Inc.	Demetallation-High carbon conversion process, apparatus and asphalt products
ZA989153B (en) *	1997-10-15	1999-05-10	Equistar Chem Lp	Method of producing olefins and feedstocks for use in olefin production from petroleum residua which have low pentane insolubles and high hydrogen content
US6274003B1 (en)	1998-09-03	2001-08-14	Ormat Industries Ltd.	Apparatus for upgrading hydrocarbon feeds containing sulfur, metals, and asphaltenes
CA2281058C (fr) *	1998-09-03	2008-08-05	Ormat Industries Ltd.	Procede et appareil permettant la valorisation de matiere premiere d'hydrocarbures contenant du soufre, des metaux et des asphaltenes
JP5057315B2 (ja) *	1998-10-30	2012-10-24	日揮株式会社	ガスタービン燃料油の製造方法
JP4657467B2 (ja) *	2001-02-20	2011-03-23	日揮株式会社	重質油の精製方法および重質油の精製装置
JP2002302680A (ja) *	2001-04-05	2002-10-18	Jgc Corp	重質油の精製方法
US7407571B2 (en) *	2001-12-26	2008-08-05	Ormat Industries Ltd.	Method of and apparatus for upgrading and gasifying heavy hydrocarbon feeds
PL205246B1 (pl) *	2002-12-20	2010-03-31	Eni Spa	Sposób konwersji ciężkich surowców węglowodorowych lub węglowych
ES2679629T3 (es) *	2002-12-30	2018-08-29	Eni S.P.A.	Procedimiento para la conversión de cargas pesadas tales como petróleos crudos pesados y residuos de destilación
JP2006070230A (ja) *	2004-09-06	2006-03-16	Nippon Oil Corp	重質油の脱硫方法
FR2943069A1 (fr) *	2009-03-13	2010-09-17	Total Raffinage Marketing	Procede de valorisation de bruts lourds et de residus petroliers
CA2963436C (fr)	2017-04-06	2022-09-20	Iftikhar Huq	Valorisation partielle du bitume
KR20230133910A (ko)	2021-03-01	2023-09-19	사우디 아라비안 오일 컴퍼니	원유 직접 촉매적 업그레이드를 위한 탈아스팔트 컬럼과 통합된 공정

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3281350A (en) *	1963-05-06	1966-10-25	Exxon Research Engineering Co	Hf deasphalting for hydrocracking feed preparation
US3781197A (en) *	1972-01-10	1973-12-25	Gulf Research Development Co	Process for cracking hydrocarbons containing hydrodesulfurized residual oil
US3775292A (en) *	1972-08-01	1973-11-27	Universal Oil Prod Co	Combination process for the conversion of hydrocarbonaceous black oil
US3775293A (en) *	1972-08-09	1973-11-27	Universal Oil Prod Co	Desulfurization of asphaltene-containing hydrocarbonaceous black oils
US3806444A (en) *	1972-12-29	1974-04-23	Texaco Inc	Desulfurization of petroleum crude
JPS5153505A (en) *	1974-11-07	1976-05-12	Showa Oil	Tankasuisono henkanhoho
JPS5187506A (ja) *	1975-01-31	1976-07-31	Showa Oil	Sekyukeijushitsuyunoshorihoho
NL7507484A (nl) *	1975-06-23	1976-12-27	Shell Int Research	Werkwijze voor het omzetten van koolwaterstoffen.
NL7510465A (nl) *	1975-09-05	1977-03-08	Shell Int Research	Werkwijze voor het omzetten van koolwaterstoffen.
NL7610511A (nl) *	1976-09-22	1978-03-28	Shell Int Research	Werkwijze voor het omzetten van koolwater- stoffen.
NL7610510A (nl) *	1976-09-22	1978-03-28	Shell Int Research	Werkwijze voor het omzetten van koolwater- stoffen.
NL190815C (nl) *	1978-07-07	1994-09-01	Shell Int Research	Werkwijze voor de bereiding van gasolie.
NL190816C (nl) *	1978-07-07	1994-09-01	Shell Int Research	Werkwijze voor de bereiding van gasolie.
GB2031011B (en) *	1978-10-05	1983-01-06	Chiyoda Chem Eng Construct Co	Processing heavy hydrocarbon oils
JPS57123290A (en) *	1981-01-25	1982-07-31	Chiyoda Chem Eng & Constr Co Ltd	Method for converting heavy hydrocarbon oil into light fractions

1982
- 1982-03-18 NL NL8201119A patent/NL8201119A/nl not_active Application Discontinuation
- 1982-09-30 US US06/429,778 patent/US4400264A/en not_active Expired - Fee Related
1983
- 1983-02-17 DE DE8383200246T patent/DE3361368D1/de not_active Expired
- 1983-02-17 EP EP83200246A patent/EP0090437B1/fr not_active Expired
- 1983-02-23 CA CA000422173A patent/CA1195638A/fr not_active Expired
- 1983-03-16 MX MX196597A patent/MX162350A/es unknown
- 1983-03-16 JP JP58042518A patent/JPS58201889A/ja active Pending
- 1983-03-16 ES ES520644A patent/ES8401515A1/es not_active Expired
- 1983-03-16 AU AU12505/83A patent/AU555121B2/en not_active Ceased
- 1983-03-16 ZA ZA831834A patent/ZA831834B/xx unknown
- 1983-03-16 SU SU833568910A patent/SU1424740A3/ru active

Also Published As

Publication number	Publication date
US4400264A (en)	1983-08-23
SU1424740A3 (ru)	1988-09-15
ES520644A0 (es)	1983-12-16
AU555121B2 (en)	1986-09-11
CA1195638A (fr)	1985-10-22
ES8401515A1 (es)	1983-12-16
EP0090437A1 (fr)	1983-10-05
JPS58201889A (ja)	1983-11-24
AU1250583A (en)	1983-09-22
DE3361368D1 (en)	1986-01-16
ZA831834B (en)	1983-11-30
MX162350A (es)	1991-04-26
EP0090437B1 (fr)	1985-12-04

Legal Events

Date	Code	Title
1985-01-01	A85	Still pending on 85-01-01
1989-03-01	BA	A request for search or an international-type search has been filed
1989-03-01	BB	A search report has been drawn up
1989-08-01	BC	A request for examination has been filed
1997-12-01	BV	The patent application has lapsed

Publication	Publication Date	Title
NL8201119A (nl)	1983-10-17	Werkwijze voor de bereiding van koolwaterstofoliedestillaten.
CA1165262A (fr)	1984-04-10	Hydroconversion catalytique de charges residuaires
US8784646B2 (en)	2014-07-22	Residue conversion process that includes a deasphalting stage and a hydroconversion stage with recycling of deasphalted oil
US20080149534A1 (en)	2008-06-26	Method of conversion of residues comprising 2 deasphaltings in series
EP3683289B1 (fr)	2024-07-03	Procédé de reformage d'huile de faible qualité
Menoufy et al.	2014	A Comparative study on hydrocracking and hydrovisbreaking combination for heavy vacuum residue conversion
NL8105660A (nl)	1983-07-18	Werkwijze voor de bereiding van koolwaterstofoliedestillaten.
JPH0631334B2 (ja)	1994-04-27	炭化水素混合物の製法
NL8101910A (nl)	1981-11-16	Werkwijze voor de omzetting van zware koolwaterstofolien, die asfaltenen bevatten, in lichtere frakties.
EP0099141B1 (fr)	1986-04-23	Procédé pour la production de mélanges d'hydrocarbures à faible teneur en asphaltène
NL8105560A (nl)	1983-07-01	Werkwijze voor de bereiding van koolwaterstofoliedestillaten.
NL8301352A (nl)	1984-11-16	Werkwijze voor de bereiding van asfaltenenarme koolwaterstofmengsels.
EP0090441B1 (fr)	1985-10-09	Procédé pour la production d'huiles désasphaltés et de destillats d'huiles d'hydrocarbures
NL8201233A (nl)	1983-10-17	Werkwijze voor de bereiding van asfaltenenarme koolwaterstofmengsel.
WO2016166293A1 (fr)	2016-10-20	Procédé de production de constituants à base d'huile
CA2924106A1 (fr)	2015-04-02	Procede de production de carburants pour le transport a partir d'un brut derive de sables bitumineux
NL8301354A (nl)	1984-11-16	Werkwijze voor de bereiding van asfaltenenarme koolwaterstofmengsels.
TWI757337B (zh)	2022-03-11	一種低品質油的改質方法和改質系統
US4461699A (en)	1984-07-24	Process for reducing Ramsbottom Carbon Test of short residues
NL8301353A (nl)	1984-11-16	Werkwijze voor de bereiding van asfaltenenarme koolwaterstofmengsels.
NL8103396A (nl)	1983-02-16	Werkwijze voor de bereiding van een koolwaterstof mengsel.
NL8103576A (nl)	1983-02-16	Werkwijze voor de bereiding van een koolwaterstofmengsel.