WO2020221640A1 - Verfahren und anlage zur herstellung von vinylchlorid aus 1,2-dichlorethan - Google Patents
Verfahren und anlage zur herstellung von vinylchlorid aus 1,2-dichlorethan Download PDFInfo
- Publication number
- WO2020221640A1 WO2020221640A1 PCT/EP2020/061203 EP2020061203W WO2020221640A1 WO 2020221640 A1 WO2020221640 A1 WO 2020221640A1 EP 2020061203 W EP2020061203 W EP 2020061203W WO 2020221640 A1 WO2020221640 A1 WO 2020221640A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat
- transfer medium
- heat transfer
- heating device
- plant
- Prior art date
Links
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 54
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 89
- 239000002918 waste heat Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000012429 reaction media Substances 0.000 claims abstract description 17
- 230000003197 catalytic effect Effects 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 11
- 238000003776 cleavage reaction Methods 0.000 claims description 36
- 230000007017 scission Effects 0.000 claims description 34
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 23
- 239000003054 catalyst Substances 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- 238000013021 overheating Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000004227 thermal cracking Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 239000002803 fossil fuel Substances 0.000 description 9
- 239000006227 byproduct Substances 0.000 description 8
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 8
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 8
- 238000000197 pyrolysis Methods 0.000 description 8
- 238000005336 cracking Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006704 dehydrohalogenation reaction Methods 0.000 description 1
- 238000007700 distillative separation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/04—Chloro-alkenes
- C07C21/06—Vinyl chloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00092—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00157—Controlling the temperature by means of a burner
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Definitions
- the present invention relates to a process for the production of vinyl chloride by catalytic thermal cleavage of 1,2-dichloroethane, in which the heat required for thermal cleavage is supplied via a liquid or condensing heat transfer medium.
- the present invention also relates to a plant for the production of vinyl chloride by catalytic thermal cleavage of 1,2-dichloroethane, in which the heat required for the thermal cleavage is supplied via a liquid or condensing heat transfer medium, comprising at least one
- EP 264 065 A1 for example, a process for the production of vinyl chloride by thermal cleavage of 1,2-dichloroethane is described, in which 1,2-dichloroethane is heated in a first container, then transferred to a second container by it without further heating is evaporated under lower pressure than in the first container and the gaseous 1,2-dichloroethane is fed into a cracking furnace, in which the cleavage takes place to vinyl chloride and hydrogen chloride.
- the temperature of the 1,2-dichloroethane is 220 ° C to 280 ° C when it leaves the second container.
- pipes in which the 1,2-dichloroethane is thermally cracked are heated using a fossil fuel.
- the gaseous 1,2-dichloroethane is heated to 525 ° C or 533 ° C in the radiation zone of the cracking furnace.
- EP 264 065 A1 also mentions that a temperature control medium can be used to preheat the liquid, fresh 1,2-dichloroethane, which in turn is heated in the convection zone of the cracking furnace with the flue gas that the burners heating the cracking furnace produce .
- Heated high-boiling liquids such as mineral oil, silicone oil or molten diphenyl are suitable as the temperature control medium.
- preheating to a temperature of 150 to 220 ° C takes place, while the pyrolysis takes place even at temperatures of around 530 ° C. In this known method, there is therefore no provision for the pyrolysis to be carried out at tempera tures in the range of 300 to 400 ° C.
- a plant complex for the production of vinyl chloride consists of a plant for the production of 1,2-dichloroethane from ethene and chlorine ("direct chlorination"), or
- the hydrogen chloride obtained by thermal cleavage of the 1,2-dichloroethane can be returned to the oxychlorination plant and reacted there with ethene and oxygen to form 1,2-dichloroethane.
- the plant complex described above can include a plant for burning liquid and / or gaseous chlorinated hydrocarbons.
- the latter occur as by-products in the process of producing vinyl chloride and are mainly separated off from 1,2-dichloroethane in the purification by distillation.
- the hydrogen chloride produced during the combustion of these substances is either given off to other production processes as aqueous hydrochloric acid or also returned to the oxychlorination plant.
- Existing processes use the waste heat from combustion to generate steam.
- a catalyst is used which allows the operating temperature to be reduced during the endothermic cleavage.
- the tubular reactor is fired with a primary energy source such as oil or gas, the furnace being divided into a radiation zone and a convection zone.
- the heat required for pyrolysis is mainly transferred to the reaction tube by radiation from the furnace walls, which are heated by the burner.
- the energy content of the hot, from the radiation zone emerging flue gases are used by convective heat transfer, whereby the 1,2-dichloroethane as a starting material of the pyrolysis reaction can be preheated, evaporated or superheated.
- EP 0 225 617 A1 describes a process for the production of vinyl chloride by thermal cleavage of 1,2-dichloroethane, whereby it is mentioned that when this process is carried out, in some cases, waste heat is recovered from the flue gases of a cracking furnace with generation of steam is provided. However, because of the relatively low flue gas temperature, such processes are not very economical.
- the thermal cleavage of 1,2-dichloroethane also takes place in this process at comparatively high temperatures.
- the starting material is preheated to about 243 ° C, then evaporated partly by letting down and partly by applying steam and then thermally split in a cracking furnace at temperatures between 435 ° C and 497 ° C without using a catalyst. Heating by means of a heat transfer oil is not provided and also not possible at these temperatures.
- EP 0 002 021 A1 describes a process for the catalytic dehydrohalogenation of 1,2-dichloroethane to vinyl chloride in which zeolitic catalysts which have been treated with a Lewis acid are used. When using such catalysts, it is possible to carry out the reaction at elevated pressure and temperatures in the range from 200 ° C. to 400 ° C. and thus considerably lower temperatures than in the conventional pyrolysis of 1,2-dichloroethane.
- the object of the present invention is to provide an improved process for the production of vinyl chloride by thermal cleavage of 1,2-dichloroethane available, in which a reduction in operating costs is achieved.
- the liquid or condensing heat transfer medium is heated to at least temporarily and / or at least partially or completely with means of the waste heat of a plant for the combustion of liquid and / or gaseous residues of a chemical plant.
- catalysts for the thermal cleavage of 1,2-dichloroethane the temperature range in which the reaction takes place can be shifted to lower temperatures, in particular in the range from about 200 ° C. to about 400 ° C., so that the reactor takes place as before by direct firing with fossil fuels, can be heated germediums by means of a nickelträ.
- a tube bundle heat exchanger can be used as the reactor, in which the tubes are filled with catalyst and the shell space is flowed through by the heat transfer medium preferably circulated.
- the heat required for the reaction is made available at least temporarily and / or at least partially by heating the heat transfer medium by means of the waste heat of a chemical plant.
- This preferred variant of the method provides that the heat required for the reaction is usually made available via a first heating device that can be heated by means of fossil fuels, for example, but a second heating device operated by waste heat is available that can be used at least temporarily. In these cases you can throttle the first heating device or, if necessary, for a certain time Shut down the room completely or guide the heat transfer medium in such a way that it bypasses the first heating device in terms of flow.
- the heat required for the reaction is at least temporarily partially se by means of the waste heat from a plant for the combustion of liquid and / or gaseous chlorinated hydrocarbons, such as those incurred as by-products in a plant for the manufacture of vinyl chloride Provided.
- the liquid or condensing heat transfer medium is heated up, at least temporarily, partly by burning at least one fuel and partly by heating using the waste heat of a chemical plant.
- a liquid or condensing heat transfer medium for the provision of the entire heat of reaction that is required for the pyrolytic cleavage of 1,2-dichloroethane is made possible by carrying out the reaction in the presence of suitable catalysts which significantly lower the reaction temperature compared to conventionally enable chen processes without catalysis.
- the reaction can be reduced, for example, from the temperatures customary in conventional processes in the order of about 430 ° C. to about 530 ° C. to temperatures in the range of in particular about 200 ° C.
- a process for purely thermal (uncatalyzed in a pyrolysis furnace) or thermal-catalytic EDC cleavage (with the supply of heat when using a catalyst) usually consists of the sub-steps:
- the invention relates to a method which, in addition to heating the catalytic-thermal cleavage reaction by a liquid or condensing heat transfer medium, also enables the upstream preheating, evaporation or overheating of the 1,2-dichloroethane to be heated by this heat transfer medium. Not all of these steps have to be heated by means of the heat transfer medium.
- the method according to the invention comprises the heating of at least one up to any combination of the above-mentioned sub-steps, wherein the individual sub-steps can in turn be subdivided (in terms of apparatus) into individual steps.
- Heating in the context of the process according to the invention means the transfer of heat to the starting material 1,2-dichloroethane and / or the reaction mixture by a heat transfer medium.
- the starting material 1,2-dichloroethane can be heated, vaporized or superheated tion mixture in the reactor, heat can be supplied at a constant temperature level (isothermal reaction procedure).
- the reaction mixture can also heat up further, with the heat supplied by the heating being used partly to cover the reaction heat requirement and partly to further heat the reaction mixture be adjusted to the reaction mixture by heating so that at least partially the sensible heat content of the reaction mixture is used to cover the reaction heat requirement and the reaction mixture cools down in the reactor compared to the reactor inlet temperature.
- the heating and also the transfer of heat to the The starting material 1,2-dichloroethane is carried out by a liquid heat transfer medium with cooling of the heat transfer medium or with a decrease in its sensible heat content and / or by a condensing heat transfer medium that has previously been evaporated by means of a heating device.
- Heating devices for the heat transfer medium in the context of the method according to the invention are, on the one hand, devices (heaters and / or evaporators or devices in which a heater and an evaporator function are combined) that can be heated by means of a fossil fuel such as heating oil or preferably natural gas.
- these are heat transfer devices (heaters and / or evaporators or devices in which a heater and an evaporator function are combined) that are heated by means of the waste heat from a plant for the incineration of byproducts of a chemical plant, preferably a plant for the incineration of byproducts of a plant complex for the production of vinyl chloride ).
- Such devices are known to those skilled in the art.
- At least one first heating device operated by combustion of at least one fuel and additionally at least one second heating device operated via the waste heat from a plant for the combustion of byproducts of a chemical plant are used to heat the liquid or condensing heat transfer medium.
- the heat demand of a plant for the catalytic-thermal cracking of 1,2-dichloroethane can only partially be covered by the combustion of by-products of the plant complex for the production of vinyl chloride.
- the liquid or condensing heat transfer medium is conducted in a circuit and the at least one first heating device via combustion of a fossil fuel and the at least one second heating device operated via waste heat are integrated into this circuit.
- at least one first heating device and at least one second heating device operated using waste heat are connected in series in the circuit.
- the heat transfer medium then flows through a line circuit first the second Beauchungsvorrich operated via waste heat and then downstream of this the first heating device or these two heating devices are flowed through in reverse order.
- the heat transfer medium is conveyed in a circuit in which a reactor is integrated in which the catalytic thermal cleavage of 1,2-dichloroethane is carried out, with heat exchange between the reaction medium of the reactor and the heat transfer medium he follows.
- the heat transfer medium is conveyed in the circuit in countercurrent to the flow of the reaction medium through the reactor.
- This variant is advantageous for effective heat transfer.
- a flow of the heat transfer medium in cocurrent to the flow of the reaction medium is also possible.
- the second heating device operated via waste heat is operated at least temporarily by means of the waste heat from a system for burning the by-products of a system for producing vinyl chloride.
- This variant has the advantage that the waste heat is used, as it were, from a part of the system in the same system complex, and thus the energy balance of the process can be improved.
- the second heating device operated using waste heat is operated permanently at full load. The rest of the energy required for the thermal fission can be supplied to the heat transfer medium by a heating system heated by fossil fuels.
- the second heating device operated using waste heat is preferably permanently at operating temperature.
- the thermal cleavage of the 1,2-dichloroethane is carried out in a temperature range from 200.degree. C. to 400.degree. This is a preferred temperature range, which can be easily realized with liquid heat transfer media, for example heat transfer oils.
- the present invention also provides a system for the produc- tion of vinyl chloride by catalytic thermal cleavage of 1,2-dichloroethane, in which the heat required for preheating, evaporation and superheating and for the thermal cleavage of 1,2-dichloroethane is preferred a liquid or condensing heat transfer medium is supplied, comprising at least one reactor in which the thermal cleavage takes place and at least one first heating device, by means of which the reaction medium is heated in the reactor by means of the liquid heat transfer medium, the system according to the invention still having at least one second heating device operated via waste heat for heating the reaction medium comprises. In this case, it is preferred that the second heating device operated with waste heat is first flowed through by the heat transfer medium.
- the remainder of the heat required for the cleavage of 1,2-dichloroethane, but also for preheating it in order to evaporate and / or overheat it, can be supplied by a heating system heated by fossil fuels.
- a preferred development of the invention provides that the reactor is integrated into a circuit of the heat transfer medium, wherein in the Circuit continues at least the second heating device operated by waste heat is involved.
- At least one first heating device operated by a fuel and furthermore at least one second heating device operated by heat from the circuit of the heat transfer medium is integrated into the circuit.
- the sequence of flow is preferably such that flow is initially through the second heating device.
- first and second heating device used here thus only designate the functionally different type of heating devices, but do not specify the order in which the heat transfer medium flows.
- the circuit of the heat transfer medium comprises a pump integrated in a line system, at least one first heating device operated via fuel, at least one second heating device operated via waste heat and the reactor, with means for transferring heat from the heat transfer medium to a reaction medium flowing through the reactor or located in the reactor are provided.
- a preferred development of the invention provides that the first heating device operated by fuel and the second heating device operated by waste heat are arranged in series or alternatively in parallel in the circuit of the heat transfer medium.
- the reactor comprises a tube bundle heat exchanger, the tubes of which are filled with a catalyst and which preferably has a shell space through which the circulating heat transfer medium flows.
- FIG. 1 shows a schematically simplified system scheme of a system according to the invention for producing vinyl chloride by catalytic thermal cleavage from 1,2-dichloroethane.
- the plant comprises a reactor 1 to which a reactor inlet stream of 1,2-dichloroethane (EDC) is fed, for example via at least one line 2, which is pyrolyzed in the reactor 1 under the action of heat to form monomeric vinyl chloride (VCM), wherein In addition to the vinyl chloride, hydrogen chloride is formed.
- EDC 1,2-dichloroethane
- VCM monomeric vinyl chloride
- the mentioned products of the process leave the reactor 1 in a reactor outlet stream 3.
- the reactor 1 is bound in a circulating stream 4 of a heat transfer medium in such a way that heat is supplied to the reactor via the liquid heat transfer medium, for example a heat transfer oil, which preferably flows in countercurrent to the reaction medium, in order to bring the reaction medium flowing through the reactor to a temperature of for example 300 ° C to 400 ° C, at which the catalytic thermal cleavage of 1,2-dichloroethane to vinyl chloride in reactor 1 takes place.
- a heat transfer medium for example a heat transfer oil
- the circulating flow 4 of the heat transfer medium is explained in more detail below.
- the line circuit 4 of the heat transfer medium includes a pump 5 to convey the heat transfer medium in the circuit, this first flowing through a first heating device 6 downstream of the pump 5, which is fired with a fossil fuel, for example, in order to heat the heat transfer medium. Thereafter, the heat transfer medium 4 flows through a second heating device 7 in which the heat transfer medium, provided that the second heating device 7 is in operation, can be heated with the help of thermal energy from the waste heat of a chemical plant, for example from a plant for the production of vinyl chloride.
- the first heating device 6 and the second heating device 7 are arranged one behind the other in the conduit system of the heat transfer medium circulating flow 4 in the direction of flow and are thus connected in series.
- both heating devices can also be connected in parallel to one another, that is to say that, unlike shown in FIG. 1, the two heating devices are integrated into a line system in such a way that the heat transfer medium can flow through at least one of the two heating devices at a time Bypassing the other heating device.
- valves not shown in Figure 1 can be provided to switch the heating devices on and off or the lines in the line circuit 4 on cordon off suitable places.
- one or more regulating devices can be provided (also not shown in FIG. 1) in order to regulate the respective heat output supplied by the first and / or the second heating device according to the need for heating the reaction medium in the reactor 1.
- FIG. 1 Another variant, not shown in FIG. 1, comprises a device in which the reactor inlet stream 3 can be preheated, evaporated and superheated by means of the heat content of the stream 4, whereby these options do not necessarily have to be implemented, but can be implemented in any combination .
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/607,262 US11845706B2 (en) | 2019-04-30 | 2020-04-22 | Method and plant for preparing vinyl chloride from 1,2-dichloroethane |
KR1020217039319A KR102722020B1 (ko) | 2019-04-30 | 2020-04-22 | 1,2-디클로로에탄으로부터 비닐 클로라이드를 제조하기 위한 방법 및 플랜트 |
EP20729945.4A EP3962886A1 (de) | 2019-04-30 | 2020-04-22 | Verfahren und anlage zur herstellung von vinylchlorid aus 1,2-dichlorethan |
JP2021564858A JP7403557B2 (ja) | 2019-04-30 | 2020-04-22 | 1,2-ジクロロエタンから塩化ビニルを製造するための方法およびプラント |
MX2021013079A MX2021013079A (es) | 2019-04-30 | 2020-04-22 | Procedimiento e instalacion para la produccion de cloruro de vinilo a partir de 1,2-dicloroetano. |
CN202080032224.4A CN114127034A (zh) | 2019-04-30 | 2020-04-22 | 由1,2-二氯乙烷制备氯乙烯的方法和装置 |
BR112021021642A BR112021021642A2 (pt) | 2019-04-30 | 2020-04-22 | Processo e instalação para a produção de cloreto de vinila a partir de 1,2-dicloroetano |
ZA2021/07806A ZA202107806B (en) | 2019-04-30 | 2021-10-14 | Method and plant for preparing vinyl chloride from 1,2-dichloroethane |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019206154.0A DE102019206154A1 (de) | 2019-04-30 | 2019-04-30 | Verfahren und Anlage zur Herstellung von Vinylchlorid aus 1,2-Dichlorethan |
DE102019206154.0 | 2019-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020221640A1 true WO2020221640A1 (de) | 2020-11-05 |
Family
ID=70968899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2020/061203 WO2020221640A1 (de) | 2019-04-30 | 2020-04-22 | Verfahren und anlage zur herstellung von vinylchlorid aus 1,2-dichlorethan |
Country Status (9)
Country | Link |
---|---|
US (1) | US11845706B2 (de) |
EP (1) | EP3962886A1 (de) |
JP (1) | JP7403557B2 (de) |
CN (1) | CN114127034A (de) |
BR (1) | BR112021021642A2 (de) |
DE (1) | DE102019206154A1 (de) |
MX (1) | MX2021013079A (de) |
WO (1) | WO2020221640A1 (de) |
ZA (1) | ZA202107806B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU102998B1 (de) * | 2022-08-29 | 2024-02-29 | Thyssenkrupp Ind Solutions Ag | Verfahren und Anlage zur Herstellung von Vinylchlorid aus 1,2-Dichlorethan |
WO2024046801A1 (de) * | 2022-08-29 | 2024-03-07 | Thyssenkrupp Industrial Solutions Ag | Verfahren und anlage zur herstellung von vinylchlorid aus 1,2-dichlorethan |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1468827A1 (de) * | 1964-08-05 | 1969-12-11 | Pechiney Saint Gobain | Indirekt beheizter Reaktor,vorzugsweise zur Krackung von Dichloraethan |
EP0002021A1 (de) | 1977-11-18 | 1979-05-30 | The B.F. GOODRICH Company | Verfahren zur katalytischen Dehydrohalogenierung |
EP0225617A1 (de) | 1985-12-06 | 1987-06-16 | Wacker-Chemie GmbH | Verbessertes Verfahren zur Herstellung von Vinylchlorid durch thermische Spaltung von 1,2-Dichlorethan |
EP0264065A1 (de) | 1986-10-10 | 1988-04-20 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von Vinylchlorid durch thermische Spaltung von 1,2-Dichlorethan |
DE10252891A1 (de) | 2002-11-12 | 2004-05-27 | Uhde Gmbh | Verfahren zur Herstellung ungesättigter halogenhaltiger Kohlenwasserstoffe sowie dafür geeignete Vorrichtung |
WO2014108159A1 (de) | 2013-01-10 | 2014-07-17 | Thyssenkrupp Industrial Solutions Ag | Verfahren zur wärmerückgewinnung in vinylchlorid-monomeranlagen oder im anlagenverbund dichlorethan/vinylchlorid und dafür geeignete vorrichtung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3061238D1 (en) * | 1979-02-23 | 1983-01-13 | Hoechst Ag | Process for the recovery of pyrolysis energy in the preparation of vinyl chloride by incomplete thermal splitting of 1,2-dichloroethane |
JPS6013006B2 (ja) * | 1981-02-26 | 1985-04-04 | 日立造船株式会社 | 塩ビモノマ−の製造における廃熱回収方法 |
DE3702438A1 (de) * | 1987-01-28 | 1988-08-11 | Hoechst Ag | Verfahren zur herstellung von vinylchlorid durch thermische spaltung von 1,2-dichlorethan |
JP3804690B2 (ja) * | 1996-03-11 | 2006-08-02 | 鹿島塩ビモノマー株式会社 | 1,2−ジクロロエタンの熱分解工程における熱回収方法及び熱回収装置 |
DE102008048526A1 (de) * | 2008-09-23 | 2010-04-01 | Uhde Gmbh | Verfahren zur Nutzung der im Herstellungsprozess von 1,2-Dichlorethan aus Ethylen in einem Wirbelschichtreaktor anfallenden Reaktionswärme |
DE102008049262B4 (de) * | 2008-09-26 | 2016-03-17 | Thyssenkrupp Industrial Solutions Ag | Verfahren und Vorrichtung zur Herstellung von ethylenisch ungesättigten halogenierten Kohlenwasserstoffen |
DE102011120479A1 (de) * | 2011-12-08 | 2013-06-13 | Thyssenkrupp Uhde Gmbh | Verfahren zur Wärmerückgewinnung in Vinylchlorid-Monomeranlagen oder im Anlagenverbund Vinylchlorid / Polyvinylchlorid und dafür geeignete Vorrichtung |
DE102012007339A1 (de) * | 2012-04-13 | 2013-10-17 | Thyssenkrupp Uhde Gmbh | Verfahren zur Wärmerückgewinnung in Vinylchlorid-Monomeranlagen oder im Anlagenverbund Vinylchlorid / Polyvinylchlorid und dafür geeignete Vorrichtung |
EP2712857A1 (de) * | 2012-09-26 | 2014-04-02 | Solvay SA | Verfahren zur Herstellung von EDC oder VCM ausgehend von Ethanol |
-
2019
- 2019-04-30 DE DE102019206154.0A patent/DE102019206154A1/de active Pending
-
2020
- 2020-04-22 US US17/607,262 patent/US11845706B2/en active Active
- 2020-04-22 JP JP2021564858A patent/JP7403557B2/ja active Active
- 2020-04-22 CN CN202080032224.4A patent/CN114127034A/zh active Pending
- 2020-04-22 EP EP20729945.4A patent/EP3962886A1/de active Pending
- 2020-04-22 WO PCT/EP2020/061203 patent/WO2020221640A1/de active Application Filing
- 2020-04-22 BR BR112021021642A patent/BR112021021642A2/pt active Search and Examination
- 2020-04-22 MX MX2021013079A patent/MX2021013079A/es unknown
-
2021
- 2021-10-14 ZA ZA2021/07806A patent/ZA202107806B/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1468827A1 (de) * | 1964-08-05 | 1969-12-11 | Pechiney Saint Gobain | Indirekt beheizter Reaktor,vorzugsweise zur Krackung von Dichloraethan |
EP0002021A1 (de) | 1977-11-18 | 1979-05-30 | The B.F. GOODRICH Company | Verfahren zur katalytischen Dehydrohalogenierung |
EP0225617A1 (de) | 1985-12-06 | 1987-06-16 | Wacker-Chemie GmbH | Verbessertes Verfahren zur Herstellung von Vinylchlorid durch thermische Spaltung von 1,2-Dichlorethan |
EP0264065A1 (de) | 1986-10-10 | 1988-04-20 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von Vinylchlorid durch thermische Spaltung von 1,2-Dichlorethan |
DE10252891A1 (de) | 2002-11-12 | 2004-05-27 | Uhde Gmbh | Verfahren zur Herstellung ungesättigter halogenhaltiger Kohlenwasserstoffe sowie dafür geeignete Vorrichtung |
WO2014108159A1 (de) | 2013-01-10 | 2014-07-17 | Thyssenkrupp Industrial Solutions Ag | Verfahren zur wärmerückgewinnung in vinylchlorid-monomeranlagen oder im anlagenverbund dichlorethan/vinylchlorid und dafür geeignete vorrichtung |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU102998B1 (de) * | 2022-08-29 | 2024-02-29 | Thyssenkrupp Ind Solutions Ag | Verfahren und Anlage zur Herstellung von Vinylchlorid aus 1,2-Dichlorethan |
WO2024046801A1 (de) * | 2022-08-29 | 2024-03-07 | Thyssenkrupp Industrial Solutions Ag | Verfahren und anlage zur herstellung von vinylchlorid aus 1,2-dichlorethan |
Also Published As
Publication number | Publication date |
---|---|
US11845706B2 (en) | 2023-12-19 |
BR112021021642A2 (pt) | 2021-12-28 |
JP7403557B2 (ja) | 2023-12-22 |
MX2021013079A (es) | 2022-01-24 |
ZA202107806B (en) | 2022-06-29 |
DE102019206154A1 (de) | 2020-11-05 |
CN114127034A (zh) | 2022-03-01 |
US20220227690A1 (en) | 2022-07-21 |
EP3962886A1 (de) | 2022-03-09 |
JP2022531773A (ja) | 2022-07-11 |
KR20220005062A (ko) | 2022-01-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2608486C2 (de) | ||
WO2020221640A1 (de) | Verfahren und anlage zur herstellung von vinylchlorid aus 1,2-dichlorethan | |
EP0264065B1 (de) | Verfahren zur Herstellung von Vinylchlorid durch thermische Spaltung von 1,2-Dichlorethan | |
EP0276775B1 (de) | Verfahren zur Herstellung von Vinylchlorid durch thermische Spaltung von 1,2-Dichlorethan | |
DE2834589C3 (de) | Verfahren zum katalytischen Umwandeln eines kohlenoxyd- und wasserstoffreichen, schwefelarmen Einsatzgasgemischs | |
EP3235784A1 (de) | Verfahren und anlage zur erzeugung von wasserstoff mittels katalytischer dampfreformierung eines kohlenwasserstoffhaltigen einsatzgases | |
WO2022069726A1 (de) | Wärmeintegration eines elektrisch beheizten reaktors | |
LU102998B1 (de) | Verfahren und Anlage zur Herstellung von Vinylchlorid aus 1,2-Dichlorethan | |
DE102022208894A1 (de) | Verfahren und Anlage zur Herstellung von Vinylchlorid aus 1,2-Dichlorethan | |
WO2024046801A1 (de) | Verfahren und anlage zur herstellung von vinylchlorid aus 1,2-dichlorethan | |
WO2020221638A1 (de) | Verfahren und anlage zur herstellung von vinylchlorid aus 1,2-dichlorethan | |
EP2344432A1 (de) | Verfahren und vorrichtung zur herstellung von ethylenisch ungesättigten halogenierten kohlenwasserstoffen | |
KR102722020B1 (ko) | 1,2-디클로로에탄으로부터 비닐 클로라이드를 제조하기 위한 방법 및 플랜트 | |
KR20170133456A (ko) | 탈수소화 반응기 공급물을 예열하는 방법 | |
RU2784525C1 (ru) | Способ и установка для производства винилхлорида из 1,2-дихлорэтана | |
DE102008049262B4 (de) | Verfahren und Vorrichtung zur Herstellung von ethylenisch ungesättigten halogenierten Kohlenwasserstoffen | |
DE2028297A1 (en) | Cracking aliphatics to alkenes and aromatics - using liquefied alkali metal as heat-exchange medium | |
AT398428B (de) | Vorrichtung zum thermischen spalten eines gemisches mit flüssigen und gasförmigen kohlenwasserstoffen | |
RU2785841C1 (ru) | Способ и установка для производства винилхлорида из 1,2-дихлорэтана | |
WO2010149560A1 (de) | Verfahren zur herstellung von chlor aus hci | |
DD265617A5 (de) | Verfahren und vorrichtung zur herstellung on inylchlorid durch thermische spaltung von 1,2-dichlorethan | |
DD298236A5 (de) | Energetisch verbessertes verfahren zur thermischen spaltung von ethylendichlorid | |
CS238738B1 (cs) | Způsob přívodu tepla pro tepelné štěpení uhlovodíků a zařízení pro prováděni tohoto způsobu |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20729945 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2021564858 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112021021642 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 20217039319 Country of ref document: KR Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2020729945 Country of ref document: EP Effective date: 20211130 |
|
ENP | Entry into the national phase |
Ref document number: 112021021642 Country of ref document: BR Kind code of ref document: A2 Effective date: 20211028 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 521430703 Country of ref document: SA |