EP0110486A1 - Unité d'installation pour le craquage thermique d'une matière hydrocarbonée pour obtenir des alcènes, échangeur de chaleur à tubes et manteau à utiliser dans une telle unité d'installation et méthode pour fabriquer un tel échangeur de chaleur à tubes et manteau - Google Patents
Unité d'installation pour le craquage thermique d'une matière hydrocarbonée pour obtenir des alcènes, échangeur de chaleur à tubes et manteau à utiliser dans une telle unité d'installation et méthode pour fabriquer un tel échangeur de chaleur à tubes et manteau Download PDFInfo
- Publication number
- EP0110486A1 EP0110486A1 EP83201725A EP83201725A EP0110486A1 EP 0110486 A1 EP0110486 A1 EP 0110486A1 EP 83201725 A EP83201725 A EP 83201725A EP 83201725 A EP83201725 A EP 83201725A EP 0110486 A1 EP0110486 A1 EP 0110486A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- layer
- shell
- tubes
- effluent
- 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.)
- Granted
Links
- 238000005336 cracking Methods 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 title claims abstract description 20
- 150000001336 alkenes Chemical class 0.000 title claims abstract description 15
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 10
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 10
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 10
- 239000007858 starting material Substances 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 239000010410 layer Substances 0.000 claims abstract description 42
- 238000010791 quenching Methods 0.000 claims abstract description 26
- 230000000171 quenching effect Effects 0.000 claims abstract description 15
- 239000013047 polymeric layer Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 10
- 239000010439 graphite Substances 0.000 claims abstract description 10
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 10
- 239000004411 aluminium Substances 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- 150000002978 peroxides Chemical class 0.000 claims abstract description 6
- 239000004342 Benzoyl peroxide Substances 0.000 claims abstract description 5
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 235000019400 benzoyl peroxide Nutrition 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 230000000873 masking effect Effects 0.000 claims abstract description 5
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 4
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 4
- 150000004645 aluminates Chemical class 0.000 claims abstract description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000000203 mixture Substances 0.000 claims description 23
- 239000003999 initiator Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 150000003254 radicals Chemical class 0.000 claims 3
- 239000011247 coating layer Substances 0.000 claims 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
-
- 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
- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G9/002—Cooling of cracked gases
Definitions
- the invention relates to a plant for thermo-cracking a hydrocarbon starting material to alkenes, comprising a cracking furnace with externally heated reactor tubes (coils) and a shell and.tube heat-exchanger connected to the cracking furnace in order to quench the reactor effluent.
- reactor tubes coils
- shell and.tube heat-exchanger connected to the cracking furnace in order to quench the reactor effluent.
- the reactor effluent of the cracking furnaces is quenched in the shell and tube heat exchanger from 750-900° C to 350-560°c (Kirk-Othmer l.c., page 407, table 5) to prevent that after leaving the cracker furnace, in said effluent still reactions take place under adiabatic conditions, which would affect adversely the yield of alkenes, and simultaneously steam with a pressure of 105-125 bara (bar absolute) is generated.
- Such a layer should have such a thickness, that it is impermeable to the reactor effluent, but on the other hand it should not be so thick that it impedes the heat transfer.
- the minimum thickness should preferably be 0.5 ⁇ m. Preferably it has a thickness of not more than 20 pm,for, with greater thicknesses, the effect, the temperature drop on the layer, should be too big.
- a particularly suitable process which can be used to obtain such a layer is, using a viscous mixture of a powdered graphite, metals, metal oxides, metal salts (particle size generally ⁇ 5 ⁇ m) with a silicone based resin in an aromatic solvent. Said mixture is applied with current spraying methods and is thermoset. Thermosetting takes suitably place at tempetatures between 275 0 c and 375 0 C for 11 ⁇ 2 - 5 h. Said thermosetting (curing) is necessary to vaporize the solvent, and to have reticulation take place in the resin component, and optionally to have the resin component decomposed, while silicon remains enclosed in the layer. The result is that a quasi-continuous layer is formed, with a small specific area. Such a layer is highly wear-resistant and resistant to high temperatures.
- the impermeability of the layer can be increased by repeating the process several times.
- Beside graphite especially metals from group 3 or 4 of the periodical system and their oxides are considered, e.g. aluminium, titanium, zirconium. Also silicates and aluminates can be used..
- the impermeable layer on the internal surface of the heat exchanger tubes consists of an inert polymeric layer.
- Such a layer has a structure which highly resembles the fouling layer which normally appears, and it is stable at the temperatures prevailing in the heat exchanger, so that it does. not influence the phenomena which appear in the heat exchanger. On this layer, once formed, only a small fouling layer appears.
- the invention also relates to a shell and tube heatexchanger to be used in an apparatus for cracking a hydrocarbon starting material to alkenes, wherein the internal surfaces of the heat exchanger tubes are coated with an inert layer impermeable to the reactor effluent of a cracking furnace for the preparation of alkenes, said layer masking the alloy of which the heat exchanger tubes consist.
- the layer by which the internal surfaces of the heat exchanger tubes are coated should preferably meet the above-mentioned conditions.
- the invention also relates to a process for manufacturing a shell and tube heatexchanger to be used in an installation for cracking a hydrocarbon starting material to alkenes and resistant to quenching of the effluent from the cracking reactor of such an installation, wherein a polymeric layer is formed by spraying a mixture of the oily fraction which is recovered when quenching the effluent from the cracking reactor (alkylene quench oil) and of an initiator forming free radicals onto the internal surface of the tube and thermosetting it.
- alkylene quench oil alkylene quench oil
- a peroxide is used as catalyst, in particular benzoyl peroxide, as peroxides in the polymerisation of alkenes and alkene mixtures are effective catalysts.
- the amount of catalyst may vary within wide ranges but preferably a mixture is used which comprises 0.5 - 3% of catalyst, as with such a mixture quickly a good polymer layer can be obtained.
- One TLX (A) had heatexchanger tubes made from a nickel-chromium- alloy which is usual for this type of tubes.
- the other TLX (B) had heat exchanger tubes from the same nickel chromium alloy, the internal surface of which was coated with a 5 ⁇ m thick aluminium based layer applied in 3 steps.
- the temperature of the quenched effluent coming from the TLX (A) in the beginning of the test was 420°C and the temperature of the quenched effluent coming from TLX (B) was 450°C.
- TLX (A) (Curve A) the temperature of the effluent coming from the TLX, increased to 500 C in about 5 days and during the rest of the test the temperature gradually further increased, until after 26 days the maximum allowed temperature of 560°C was obtained.
- TLX (B) The fouling rate in TLX (B) (Curve B) was substantially constant and the extrapolated attainable hours of service will be 60 days in stead of 26 like for TLX (A).
- TLX (A) appeared to comprise a thick fouling layer.
- Coating the internal surface of the heat exchanger tubes of TLX (B) was carried out by spraying a mixture of 12% by weight of aluminium powder with a particle size of ⁇ 2 ⁇ m, 48% by weight of a silicoreresin comprising methyl groups and phenyl groups, and 40% by weight of toluene into the tube, draining the excess and heating the remaining layer for 2 hours at 300°C, thus vaporizing the toluene and reticulating the resin, repeating this processing once, and finally repeating the treatment once with a mixture of 10% by weight of aluminium powder with a particle size of ⁇ 2 ⁇ m, 40% by weight of the same silicore resin and 50% by weight of toluene.
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8204731A NL8204731A (nl) | 1982-12-07 | 1982-12-07 | Installatie voor het thermisch kraken van een koolwaterstofuitgangsmateriaal tot alkenen, buizenwarmtewisselaar ten gebruike in zo'n installatie en werkwijze voor de vervaardiging van een buizenwarmtewisselaar. |
| NL8204731 | 1982-12-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0110486A1 true EP0110486A1 (fr) | 1984-06-13 |
| EP0110486B1 EP0110486B1 (fr) | 1986-12-10 |
Family
ID=19840709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19830201725 Expired EP0110486B1 (fr) | 1982-12-07 | 1983-12-06 | Unité d'installation pour le craquage thermique d'une matière hydrocarbonée pour obtenir des alcènes, échangeur de chaleur à tubes et manteau à utiliser dans une telle unité d'installation et méthode pour fabriquer un tel échangeur de chaleur à tubes et manteau |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0110486B1 (fr) |
| JP (1) | JPS59157494A (fr) |
| CA (1) | CA1210282A (fr) |
| DE (1) | DE3368282D1 (fr) |
| NL (1) | NL8204731A (fr) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2663725A1 (fr) * | 1990-06-22 | 1991-12-27 | Nuovo Pignone Spa | Echangeur de chaleur en cuivre ameliore pour chauffe-eau montes sur des murs. |
| EP0608081A1 (fr) * | 1993-01-15 | 1994-07-27 | General Electric Company | Articles revêtus et procédé pour éviter les dépôts de carburant formés par décomposition thermique |
| DE4334827C1 (de) * | 1993-10-08 | 1994-10-06 | Mannesmann Ag | Verfahren zur Verminderung der Verkokung von Wärmetauschflächen |
| AU661919B2 (en) * | 1992-09-22 | 1995-08-10 | General Electric Company | Coated article for hot hydrocarbon fluid and method of preventing fuel thermal degradation deposits |
| DE4405884C1 (de) * | 1994-02-21 | 1995-09-07 | Mannesmann Ag | Wärmeaustauschfläche in Reaktoren und/oder Wärmeaustauschern und Verfahren zur Herstellung einer katalytisch desaktivierten Metalloberfläche |
| AU667945B2 (en) * | 1992-09-22 | 1996-04-18 | General Electric Company | Coated articles and method for the prevention of fuel thermal degradation deposits |
| US5805973A (en) * | 1991-03-25 | 1998-09-08 | General Electric Company | Coated articles and method for the prevention of fuel thermal degradation deposits |
| FR2809170A1 (fr) * | 2000-05-22 | 2001-11-23 | Denso Corp | Echangeur de chaleur a gaz d'echappement |
| US6989135B2 (en) * | 1999-07-01 | 2006-01-24 | Syntroleum Corporation | Hydrocarbon conversion system with enhanced combustor and method |
| WO2015183641A1 (fr) * | 2014-05-26 | 2015-12-03 | Ineos Europe Ag | Refroidisseur d'effluent dans la fabrication d'acrylonitrile |
| CN112881559A (zh) * | 2021-01-20 | 2021-06-01 | 广东产品质量监督检验研究院（国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室） | 邻苯二甲酸酯含量快速检测方法 |
| CN116745389A (zh) * | 2020-12-21 | 2023-09-12 | 沙特基础工业全球技术公司 | 蒸汽裂解烃类的系统和方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240059988A1 (en) * | 2020-12-28 | 2024-02-22 | Sabic Global Technologies B.V. | Producing olefins and aromatics |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE348252A (fr) * | ||||
| NL300760A (fr) * | ||||
| GB831912A (en) * | 1956-12-27 | 1960-04-06 | Hubert Salmen | Improvements in or relating to condensers and heat-exchangers |
| NL7007556A (en) * | 1970-05-25 | 1971-11-29 | Quenching appts - for hot gases especially hydrocarbon - cracking gases giving reduced tar and carbon | |
| FR2264261A1 (fr) * | 1974-03-15 | 1975-10-10 | Schmidt Sche Heissdampf | |
| US4054174A (en) * | 1974-03-18 | 1977-10-18 | The Babcock & Wilcox Company | Method of inhibiting deposition of internal corrosion products in tubes |
| DE3038084A1 (de) * | 1980-05-23 | 1981-12-03 | Sumitomo Light Metal Industries Ltd., Tokyo | Beschichtungsmasse und ihre verwendung zum schuetzen von inneren oberflaechen von waermetauscherrohren |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4997949A (fr) * | 1973-01-26 | 1974-09-17 | ||
| JPS501446A (fr) * | 1973-05-09 | 1975-01-09 | ||
| JPS5125414A (ja) * | 1974-08-28 | 1976-03-02 | Showa Aluminium Co Ltd | Netsukokankyotaishokuaruminiumuawasezai |
| US4200518A (en) * | 1979-03-22 | 1980-04-29 | Chevron Research Company | Heat exchanger anti-foulant |
| US4296804A (en) * | 1979-06-28 | 1981-10-27 | Resistoflex Corporation | Corrosion resistant heat exchanger element and method of manufacture |
-
1982
- 1982-12-07 NL NL8204731A patent/NL8204731A/nl not_active Application Discontinuation
-
1983
- 1983-12-06 EP EP19830201725 patent/EP0110486B1/fr not_active Expired
- 1983-12-06 CA CA000442653A patent/CA1210282A/fr not_active Expired
- 1983-12-06 DE DE8383201725T patent/DE3368282D1/de not_active Expired
- 1983-12-07 JP JP23121983A patent/JPS59157494A/ja active Granted
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE348252A (fr) * | ||||
| NL300760A (fr) * | ||||
| GB831912A (en) * | 1956-12-27 | 1960-04-06 | Hubert Salmen | Improvements in or relating to condensers and heat-exchangers |
| NL7007556A (en) * | 1970-05-25 | 1971-11-29 | Quenching appts - for hot gases especially hydrocarbon - cracking gases giving reduced tar and carbon | |
| FR2264261A1 (fr) * | 1974-03-15 | 1975-10-10 | Schmidt Sche Heissdampf | |
| US4054174A (en) * | 1974-03-18 | 1977-10-18 | The Babcock & Wilcox Company | Method of inhibiting deposition of internal corrosion products in tubes |
| DE3038084A1 (de) * | 1980-05-23 | 1981-12-03 | Sumitomo Light Metal Industries Ltd., Tokyo | Beschichtungsmasse und ihre verwendung zum schuetzen von inneren oberflaechen von waermetauscherrohren |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1005573A3 (fr) * | 1990-06-22 | 1993-11-09 | Nuovo Pignone Spa | Perfectionnement aux echangeurs de chaleur en cuivre pour chaudieres murales. |
| ES2048032A1 (es) * | 1990-06-22 | 1994-03-01 | Nuovo Pignone Spa | Revestimiento para un intercambiador de calor de cobre perfeccionado para calderas murales. |
| FR2663725A1 (fr) * | 1990-06-22 | 1991-12-27 | Nuovo Pignone Spa | Echangeur de chaleur en cuivre ameliore pour chauffe-eau montes sur des murs. |
| US5805973A (en) * | 1991-03-25 | 1998-09-08 | General Electric Company | Coated articles and method for the prevention of fuel thermal degradation deposits |
| AU667945B2 (en) * | 1992-09-22 | 1996-04-18 | General Electric Company | Coated articles and method for the prevention of fuel thermal degradation deposits |
| AU661919B2 (en) * | 1992-09-22 | 1995-08-10 | General Electric Company | Coated article for hot hydrocarbon fluid and method of preventing fuel thermal degradation deposits |
| EP0608081A1 (fr) * | 1993-01-15 | 1994-07-27 | General Electric Company | Articles revêtus et procédé pour éviter les dépôts de carburant formés par décomposition thermique |
| DE4334827C1 (de) * | 1993-10-08 | 1994-10-06 | Mannesmann Ag | Verfahren zur Verminderung der Verkokung von Wärmetauschflächen |
| EP0647699A3 (fr) * | 1993-10-08 | 1995-07-26 | Mannesmann Ag | Procédé pour diminuer la cokéfaction de surfaces d'échange de chaleur. |
| DE4405884C1 (de) * | 1994-02-21 | 1995-09-07 | Mannesmann Ag | Wärmeaustauschfläche in Reaktoren und/oder Wärmeaustauschern und Verfahren zur Herstellung einer katalytisch desaktivierten Metalloberfläche |
| US6989135B2 (en) * | 1999-07-01 | 2006-01-24 | Syntroleum Corporation | Hydrocarbon conversion system with enhanced combustor and method |
| FR2809170A1 (fr) * | 2000-05-22 | 2001-11-23 | Denso Corp | Echangeur de chaleur a gaz d'echappement |
| WO2015183641A1 (fr) * | 2014-05-26 | 2015-12-03 | Ineos Europe Ag | Refroidisseur d'effluent dans la fabrication d'acrylonitrile |
| CN116745389A (zh) * | 2020-12-21 | 2023-09-12 | 沙特基础工业全球技术公司 | 蒸汽裂解烃类的系统和方法 |
| CN112881559A (zh) * | 2021-01-20 | 2021-06-01 | 广东产品质量监督检验研究院（国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室） | 邻苯二甲酸酯含量快速检测方法 |
| CN112881559B (zh) * | 2021-01-20 | 2023-08-18 | 广东产品质量监督检验研究院（国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室） | 邻苯二甲酸酯含量快速检测方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59157494A (ja) | 1984-09-06 |
| NL8204731A (nl) | 1984-07-02 |
| CA1210282A (fr) | 1986-08-26 |
| EP0110486B1 (fr) | 1986-12-10 |
| JPH0519080B2 (fr) | 1993-03-15 |
| DE3368282D1 (en) | 1987-01-22 |
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