US20080083654A1 - Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules - Google Patents
Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules Download PDFInfo
- Publication number
- US20080083654A1 US20080083654A1 US11/620,259 US62025907A US2008083654A1 US 20080083654 A1 US20080083654 A1 US 20080083654A1 US 62025907 A US62025907 A US 62025907A US 2008083654 A1 US2008083654 A1 US 2008083654A1
- Authority
- US
- United States
- Prior art keywords
- carbon
- cleavage
- liquid hydrocarbons
- hydrogen molecules
- obtain liquid
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 99
- 230000008569 process Effects 0.000 title claims abstract description 97
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 46
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 title claims abstract description 29
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 24
- 239000001257 hydrogen Substances 0.000 title claims abstract description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000003776 cleavage reaction Methods 0.000 title claims abstract description 21
- 230000007017 scission Effects 0.000 title claims abstract description 21
- 238000004821 distillation Methods 0.000 claims abstract description 20
- 239000000376 reactant Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002028 Biomass Substances 0.000 claims abstract description 9
- 238000009833 condensation Methods 0.000 claims abstract 2
- 230000005494 condensation Effects 0.000 claims abstract 2
- 239000002994 raw material Substances 0.000 claims description 50
- 239000000126 substance Substances 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 5
- 238000010008 shearing Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
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- 125000004429 atom Chemical group 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 claims 1
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- 239000010457 zeolite Substances 0.000 description 11
- 239000003921 oil Substances 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
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- 238000004519 manufacturing process Methods 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
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- 150000001298 alcohols Chemical class 0.000 description 4
- 239000003225 biodiesel Substances 0.000 description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical class Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
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- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
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Images
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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/02—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- 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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
-
- 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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
-
- 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
- C10G3/00—Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids
-
- 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
- C10G2300/1003—Waste materials
-
- 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
- C10G2300/1011—Biomass
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
Definitions
- the present invention studies the solution of a serious universal problem, namely, the real lack of fuels to satisfy the high demand of these days, added to the continuous search of fuels that do not derive from petroleum and the effort to decrease environment contamination.
- Petroleum may be classified in four categories: Paraffinic, naphtenic, asphaltic or mixed based crude and aromatic crude.
- Refineries differ a lot between each other, depending on the technologies and process diagrams used, as well as on their capacity.
- the purpose of such may be to process soft crudes, heavy crudes or mixed based crudes.
- Refinery is carried out in several stages.
- the first step of the refinery process of crude oil is completed in the “primary distillation” towers. Within these towers, the same function nearly at atmospheric pressure and they are divided in many sections.
- the crude reaches these towers after passing by an oven, in which it is “baked” and turned into steam. This steam enters through the lower part of the distillation tower and elevates between the trays. As it elevates, it loses heat and cool.
- each steamed component When each steamed component finds its own temperature, it condensates and deposits in its corresponding tray, which connect with certain ducts for the recollection of the different currents split in this stage.
- the “reduced crude” falls in the bottom of the tower, that is, the crude which did not evaporate in this first stage. Therefore, the “vacuum distillation” tower receives the reduced crude of the first stage and removes heavy gasoil, paraffinic bases and residues.
- the Cracking unit receives reduced gasoil and crudes to produce main gasoline and propane gas.
- the basic refining tool is the distillation unit. Hydrocarbons with lower molecular mass evaporate at lower temperatures, and larger molecules evaporate as the temperature rises.
- the first material distillated from crude is the gasoline fraction, followed by naphtha and finally kerosene.
- the thermal cracking process developed in an effort to increase the yield of distillation.
- the heavier parts of the crude are heated at high temperatures under pressure. Said process cracks the larger hydrocarbon molecules into smaller molecules, which in turn increases the amount of gasoline—composed of these molecules—obtained from a barrel of crude.
- bio diesel has also given a solution to the superabundance of genetically modified crops (transgenic) which are today being turned down by consumers all over the world. According to the bio diesel industry, to process bio fuels it is necessary to build large refinery plants close to agricultural areas or forests, where raw material is abundant. Thus, bio diesel must be transported to the service stations just as crude is.
- methanol is an alternative fuel to avoid the toxicity of naphtha emissions and destruction of the ozone layer.
- the caloric power of naphtha is approximately twice as high as the caloric power of methanol, therefore it is more profitable.
- methanol was produced by destructive distillation of wood chips. This raw material was named wood alcohol. This reaction uses high pressure and temperature, and requires large and complex industrial reactors. There are different processes to obtain methanol such as: Lurgi process and ICI process.
- a further object of the invention is to be able to convert through this process the initial raw material, hard to valuate, into a fuel of easy valuation and application.
- a further advantage is its variety of mechanical applications, which improves its performance. For example, if biomass is used to produce electricity with the steam turbine boiler cycle we would have a performance of 22%. But if we convert this same biomass into gasoil with a performance over 80%, and this gasoil is used in an electrical central unit of combined cycle with a performance of 55%, the total performance would be 44%.
- the fuel of the invention may be used in transportation, but not the raw material.
- two liters of gasoil shall be produced for each kilowatt consumed.
- the gasoil produced in the process may be slightly muddy, which may be due to the raw material used or to an alteration of the process.
- a distillation tower shall be provided, separated from the main process, in which a second distillation shall be performed, where the residues of this process are returned to the main chamber.
- the water recollected in the condenser passes by a filter system to settle hydrocarbons dragged by said water. Said hydrocarbons are returned to the main chamber. Later, said water is distilled and does not bring any complications associated thereto.
- the object of the present invention is to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules as components of biomass, urban solid residues, recycled materials, vehicle, hospital residues as well as petrochemical, textile residues, meat residues, animal fat, leather and excrements among others.
- SMRF The industrial facilities in which the process of the present invention is carried out shall be named SMRF and said process shall be a physical-chemical process.
- SMRF physical-chemical process
- This first process causes the section of raw material to reduce its size up to molecular dimensions and further breakage of the molecular bonds with friction.
- the second process is a chemical process, in which reactants shall be used, such as zeolites (composed of sodium and calcium bases) as well as sodium, calcium, potassium or magnesium commonly used (depending on the raw material used) to neutralize the unwanted reactions and to lead the process to obtain the desired liquid hydrocarbons.
- reactants shall be used, such as zeolites (composed of sodium and calcium bases) as well as sodium, calcium, potassium or magnesium commonly used (depending on the raw material used) to neutralize the unwanted reactions and to lead the process to obtain the desired liquid hydrocarbons.
- the raw material should be modified, so if the same contains suspended water, temperature shall be increased to 240° C. by heat exchangers; in said first stage it shall be completely dehydrated. Later on, it shall be introduced into the main process at the same temperature, while the dehydrated raw material may be incorporated directly to the process.
- Viscous humid material shall be treated as already described herein. While highly viscous dehydrated materials may also be treated at temperatures below 240° C. to decrease viscosity and increase fluidity which improves the inclusion of the same in the main system (i.e: tar).
- Solid dehydrated material i.e: plastics
- Solid humid raw material i.e: biomass
- Said standard drying process in the market shall yield raw material with 10% and 15% of humidity since a 10% reduction is very difficult for biomass. It is then normally introduced to the process. It shall also be necessary to carry out the previous treatment of said material which contains crystalline water, which cannot be eliminated in the first state of the process.
- the main chamber and the turbine circuit shall be filled up with oil produced by liquid saturated hydrocarbons, then the turbines are turned on until the temperature reaches approximately 370° C. which means the plant is in shape to receive raw material selected With reactants, usually zeolites or other exothermic reactants.
- the volume of raw material introduced in the main chamber is limited to its capacity and to the fluid viscosity, since when raw material is added the fluid viscosity increases, and the process operates up to a fluid viscosity which allows fluidity of oil.
- Most of the double chamber turbines are self inhalers; otherwise a bomb should be installed for an artificial feed of fluid towards the turbine.
- the fluid that flows towards the turbine is composed of oil and raw material, which is strongly sheared when entering the turbine, causing a decrease of dimension up to the size of colloids (about 20 micron), and friction among molecules of raw material with zeolite (or others), added to the mechanical action of the turbine produces heat, the fluid temperature increases up to 270 to 400° C. during the process, depending on the raw material used.
- Raw material reduced to colloid dimensions guarantees reaction of active chemical substances within them, both free and bonded to its hydrogen and carbon molecules. Said active chemical substances shall be neutralized by the reactants provided.
- Oxygen atoms shall be free and may be bond to a carbon within free CO 2 , which causes cleavage of initial chains of carbons.
- vaporization temperatures shall be under or equal to the temperatures of the process, and this may produce linkage of said chains; on the contrary, if chains are long, their vaporization temperatures shall be higher than the temperature of the process therefore there is saturation of the molecule and loss of one or more carbon atoms. Crystalline water molecules within the raw material shall be free by shearing and friction. Likewise, any kind of water molecule in humid shape shall evaporate.
- Any molecule formed by carbon and hydrogen atoms, however saturated and chemically stable shall be under kinetic strength and friction with zeolites (or any other element) within a turbine; therefore the same shall break in a process resembling petrol cracking. This is the more significant effect of the process of these presents.
- the process temperature shall not be constantly over 400° C., since temperatures over 400° C. may produce mechanical damage to the turbine, therefore it is necessary to refrigerate the turbine. Temperatures should not be over 400° C. from the chemical point of view either to avoid occurrence of the carbonization process as well as tar formation.
- hydrocarbons exits as vapor and higher hydrocarbons exit as liquids (oils).
- Those hydrocarbons that exit as vapor are absorbed by the negative pressure of the distillation tower, whilst those liquid hydrocarbons precipitate in the main chamber depending on its density in relation to the downward flow.
- the heavier oils are the first to enter in the turbine cycle.
- the inorganic solid materials and those coming from the chemical reactions precipitate in the bottom of the main chamber.
- hydrocarbon vapors flow from inside of condensed oils in its different sections, which have the density provided by the distillation tower, these vapors exit through the upper section. Heavier molecules return to the main chamber to undergo once more the process (this is essentially the normal process of a distillation tower).
- Water and oil vapor molecules overcome the process of the distillation tower and exit as vapor by the upper part, and then they pass by a heat exchanger the flow of which is fed by the vacuum pump at the outlet of the same, in its interior vapors condensate and pass by a separator that produces elutriation of the hydrocarbon water.
- a heat exchanger the flow of which is fed by the vacuum pump at the outlet of the same, in its interior vapors condensate and pass by a separator that produces elutriation of the hydrocarbon water.
- these hydrocarbons represent the end of the process the automotive gasoil.
- the process temperature is the required one, which is not higher than the vaporization temperature of desired hydrocarbons.
- the function of the main chamber is to separate substances by their density.
- FIG. 1 displays different perspectives of a small plant.
- exits There are four exits, three of which are located at the exit of the condenser, one of them for the selected hydrocarbon (gasoil), the second one for water and the third one for gases.
- the fourth exit is located at the bottom of the main chamber for solid residues.
- the volume of raw material depends on two parameters: the oil level in the cycle since the process is limited to a predetermined capacity.
- the second factor is the material viscosity found in the turbine-main chamber circuit since material should be fluid enough to allow it proper circulation, since income of high amounts of solid material or very viscous material could increase its viscosity, which would produce a fluid with unsuitable circulating properties and thus there would be disturbance of turbine operation.
- the process should be carried out at constant temperature with a temperature range such that selected hydrocarbons are evaporated. To achieve this temperature, and to further maintain or regulate this temperature value, there should be a suitable relation between exothermic material and zeolites (or others) depending on the temperature of the process.
- pH is the indicator of the proportion of reactants needed, since distortion of the pH scale (higher or lower) indicates which is the reactant that should be added and in what proportion.
- Indicators of volume when located in particular sectors of the process indicate the raw material provided, and measure the inlet of reactors and take care of gasoil and other compounds outlet.
- the same are useful to measure the level of the compartments. There is one in the upper part of the main chamber that measures the oil level and another in the chute of the lower compartment that measures the solid level.
- the pH indicator probe is found at the exit of the turbine while the viscosity indicator probe at the entrance of the turbine.
- gasoil obtained in the process may be rather shady, and this may be caused by the raw material used or some distortion of the process.
- a distillation tower independent from the main process, in which a second distillation shall be carried out, the residues of this process being returned to the main chamber.
- the water recollected in the condenser passes by a filter system to settle hydrocarbons dragged by said water. Said hydrocarbons are returned to the main chamber. Later, said water is distilled and is not a problem.
- Components may be separated from each other by several technologies, and the most suitable shall be applied for each particular case.
- SMRF The components of which are of simple manufacture. The only requirement is a stainless steel boiler, turbines, engines and other elements that may be acquired in any country since there are plenty of manufacturers of these components. The size and production of the same is very diverse, from a few liters to thousands of liters per hour. They do not mean a risk to the environment, and they do not require any external service. Therefore, they may be installed in the same location as the raw material. The physical appearance of the facilities may vary. Herein attached appears a diagram of a compact installation with a performance of 700 liters produced/hour.
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Abstract
Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules using materials with chemical waste, textile waste, biomass and whatever kind, being the same milled by a turbine and transferred to the main chamber, increasing its temperatures to eliminate water, there is application of kinetic energy and friction with selected reactants to cleave the chains and separate the above mentioned elements and restructure the long or short chains to obtain the selected hydrocarbons by distillation and condensation.
Description
- The present invention studies the solution of a serious universal problem, namely, the real lack of fuels to satisfy the high demand of these days, added to the continuous search of fuels that do not derive from petroleum and the effort to decrease environment contamination.
- There are several ways to obtain fuels. For instance, a refinery is a large complex in which crude oil undergoes distillation or physical separation and later chemical processes. Petroleum may be classified in four categories: Paraffinic, naphtenic, asphaltic or mixed based crude and aromatic crude.
- Refineries differ a lot between each other, depending on the technologies and process diagrams used, as well as on their capacity. The purpose of such may be to process soft crudes, heavy crudes or mixed based crudes. Refinery is carried out in several stages. The first step of the refinery process of crude oil is completed in the “primary distillation” towers. Within these towers, the same function nearly at atmospheric pressure and they are divided in many sections. The crude reaches these towers after passing by an oven, in which it is “baked” and turned into steam. This steam enters through the lower part of the distillation tower and elevates between the trays. As it elevates, it loses heat and cool. When each steamed component finds its own temperature, it condensates and deposits in its corresponding tray, which connect with certain ducts for the recollection of the different currents split in this stage. The “reduced crude” falls in the bottom of the tower, that is, the crude which did not evaporate in this first stage. Therefore, the “vacuum distillation” tower receives the reduced crude of the first stage and removes heavy gasoil, paraffinic bases and residues. The Cracking unit receives reduced gasoil and crudes to produce main gasoline and propane gas. The basic refining tool is the distillation unit. Hydrocarbons with lower molecular mass evaporate at lower temperatures, and larger molecules evaporate as the temperature rises. The first material distillated from crude is the gasoline fraction, followed by naphtha and finally kerosene. On the other hand there is the thermal cracking process, developed in an effort to increase the yield of distillation. In this process, the heavier parts of the crude are heated at high temperatures under pressure. Said process cracks the larger hydrocarbon molecules into smaller molecules, which in turn increases the amount of gasoline—composed of these molecules—obtained from a barrel of crude.
- Later on, coking was invented. The process includes recirculation of fluids; it was a longer process with a much lower formation of coke. Many refiners have adopted this pressurized pyrolysis process.
- In the 1930s other two basic processes were introduced; alkylation and catalytic cracking, which additionally increased the gasoline produced from a crude barrel. Manufacturing these products has given origin to the gigantic petrochemical industry, which produces alcohols, detergents, synthetic rubber, glycerin, fertilizers, sulfur, solvents and raw materials to produce medication, nylon, plastics, paintings, polyesters, additives and food supplements, explosives, dyes and insulating materials.
- The exhaustion of cheap crude and the imminent fuel crisis have determined the implementation of alternative crudes such as bio diesel and bio ethanol which “are neutral in the production of carbon emissions”. When bio fuels are burned the carbon dioxide absorbed by plants as they grew in the field is returned to the atmosphere. The impairment of these alternatives is simply that there is not enough land that may be ploughed to cultivate all the bio fuel necessary to satisfy the voracious appetite for this source of energy of industrialized countries. Bio diesel has also given a solution to the superabundance of genetically modified crops (transgenic) which are today being turned down by consumers all over the world. According to the bio diesel industry, to process bio fuels it is necessary to build large refinery plants close to agricultural areas or forests, where raw material is abundant. Thus, bio diesel must be transported to the service stations just as crude is.
- On the other hand, methanol is an alternative fuel to avoid the toxicity of naphtha emissions and destruction of the ozone layer. Likewise, the caloric power of naphtha is approximately twice as high as the caloric power of methanol, therefore it is more profitable. Originally, methanol was produced by destructive distillation of wood chips. This raw material was named wood alcohol. This reaction uses high pressure and temperature, and requires large and complex industrial reactors. There are different processes to obtain methanol such as: Lurgi process and ICI process.
- Upon development and analysis of the processes already known, and with the purpose of introducing the object of the invention of the present application, we should explain some of the advantages of the invention proposed which overcome in great extent the different distillation processes of crude, reduce pollution and harness natural resources.
- In our novel process natural raw materials are used, such as biomass, wastes of whatever nature (explained herein below) in which the caloric power of raw materials guarantee its transformation into gasoil or other hydrocarbons, the volume of which shall be equal to 80% of its caloric power. That is, 1 kg of gasoil of 8000 kcal is produced with four kilograms of raw material of 2500 kcal/kg.
- A further object of the invention is to be able to convert through this process the initial raw material, hard to valuate, into a fuel of easy valuation and application. A further advantage is its variety of mechanical applications, which improves its performance. For example, if biomass is used to produce electricity with the steam turbine boiler cycle we would have a performance of 22%. But if we convert this same biomass into gasoil with a performance over 80%, and this gasoil is used in an electrical central unit of combined cycle with a performance of 55%, the total performance would be 44%.
- Today, the fuel of the invention may be used in transportation, but not the raw material. In this process, two liters of gasoil shall be produced for each kilowatt consumed. In some cases the gasoil produced in the process may be slightly muddy, which may be due to the raw material used or to an alteration of the process. For this reason, a distillation tower shall be provided, separated from the main process, in which a second distillation shall be performed, where the residues of this process are returned to the main chamber. The water recollected in the condenser passes by a filter system to settle hydrocarbons dragged by said water. Said hydrocarbons are returned to the main chamber. Later, said water is distilled and does not bring any complications associated thereto. In relation to the solids recollected at the end of the main process, if the facility is large enough, there is a possibility to recollect part of the zeolites (if this material is used) which have been precipitated or dragged by inorganic substances. There is raw material such as lignin of the wood which contains a significant higher amount of carbon atoms than hydrogen molecules, which produces a great amount of coke carbon. Coke carbon is later recovered, by separating it from the rest of the solid residues by elutriation. If raw material is rice straw and husk, the silicon contained therein would be recovered. In case of paper slurry silicon, alumina and carbon is recovered. From high sulfured crude, which is useless for conventional distillation, high amounts of sulfur may be obtained. Many other examples could be mentioned. Components may be separated from each other by several technologies, and the most suitable shall be applied for each particular case. One liter of gasoil in a small plant may amount to USD 0.21, whilst in a large plant amounts to USD 0.16. Raw material is found in any country, nature offers plenty chemical reactants; facilities may be built in all countries because the only requirement is stainless steel boilers, and turbines, on the other hand, control instruments and vacuum pumps are very common and they are highly available in the market.
- The process does not increase CO2 production, and for biomass there is negative production of CO2, therefore there is compliance with the Kyoto treatment in this respect. With this technology it shall be possible to eliminate dumps, which are the main pollution spots for underground waters and for methane discharge into the atmosphere.
- The object of the present invention is to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules as components of biomass, urban solid residues, recycled materials, vehicle, hospital residues as well as petrochemical, textile residues, meat residues, animal fat, leather and excrements among others.
- The industrial facilities in which the process of the present invention is carried out shall be named SMRF and said process shall be a physical-chemical process. Starting by a physical-mechanical process, in which there is milling, shearing, and friction of the raw material with dusted exothermic material, the most frequent of which are synthetic zeolite beads such as those used in petrochemical industry. This first process causes the section of raw material to reduce its size up to molecular dimensions and further breakage of the molecular bonds with friction. The second process is a chemical process, in which reactants shall be used, such as zeolites (composed of sodium and calcium bases) as well as sodium, calcium, potassium or magnesium commonly used (depending on the raw material used) to neutralize the unwanted reactions and to lead the process to obtain the desired liquid hydrocarbons.
- To start the process of this invention the raw material should be modified, so if the same contains suspended water, temperature shall be increased to 240° C. by heat exchangers; in said first stage it shall be completely dehydrated. Later on, it shall be introduced into the main process at the same temperature, while the dehydrated raw material may be incorporated directly to the process. Viscous humid material shall be treated as already described herein. While highly viscous dehydrated materials may also be treated at temperatures below 240° C. to decrease viscosity and increase fluidity which improves the inclusion of the same in the main system (i.e: tar). Solid dehydrated material (i.e: plastics) shall receive a previous milling process up to 3 mm, which is small enough to be introduced directly in the process herein. Solid humid raw material (i.e: biomass) shall receive a previous milling treatment up to a 3 mm section simultaneously with the drying process. Said standard drying process in the market (accomplished by several procedures) shall yield raw material with 10% and 15% of humidity since a 10% reduction is very difficult for biomass. It is then normally introduced to the process. It shall also be necessary to carry out the previous treatment of said material which contains crystalline water, which cannot be eliminated in the first state of the process.
- In this stage of the process of the present invention there is analysis, acknowledging and quantification of the chemically active substances at temperatures under 400° C., as well as inorganic molecules linked to the chains of molecular carbon and hydrogen. The recurrent elements are halogen, chloride and fluoride, which are in turn treated with lime, sodium, potassium or magnesium; those hardly ever found are mercury and chrome, heavy metals, active at process temperatures, but they are neutralized by ions (which shall react with other ionic substances). The process demands the existence of an essential element, the pain properties of which are the following: Condition (fine dust), shape (such that there is friction with raw material molecules), exothermic nature. These materials are very used in chemical industry and may be one of the following: Soil or clay, containing aluminum and silicon, aluminum chlorides, but most used are synthetic zeolites which are highly available, since they have been used in petrochemical industry since the 60s. These materials make it possible to control temperatures during the process, since the main function is to produce friction with raw material molecules by friction within the turbine. The exothermic feature produces the temperature of materials to rise. Therefore, to initiate the feed of raw material it must be mixed with reactants and Zeolite; the amounts shall depend on the previous analysis.
- Once the raw material is prepared in the conditioning process to start with the main process, there follows the description of the “Main Process”.
- Initially, the main chamber and the turbine circuit shall be filled up with oil produced by liquid saturated hydrocarbons, then the turbines are turned on until the temperature reaches approximately 370° C. which means the plant is in shape to receive raw material selected With reactants, usually zeolites or other exothermic reactants. The volume of raw material introduced in the main chamber is limited to its capacity and to the fluid viscosity, since when raw material is added the fluid viscosity increases, and the process operates up to a fluid viscosity which allows fluidity of oil. Most of the double chamber turbines are self inhalers; otherwise a bomb should be installed for an artificial feed of fluid towards the turbine. The fluid that flows towards the turbine is composed of oil and raw material, which is strongly sheared when entering the turbine, causing a decrease of dimension up to the size of colloids (about 20 micron), and friction among molecules of raw material with zeolite (or others), added to the mechanical action of the turbine produces heat, the fluid temperature increases up to 270 to 400° C. during the process, depending on the raw material used. Raw material reduced to colloid dimensions (nearly molecular) guarantees reaction of active chemical substances within them, both free and bonded to its hydrogen and carbon molecules. Said active chemical substances shall be neutralized by the reactants provided. Oxygen atoms shall be free and may be bond to a carbon within free CO2, which causes cleavage of initial chains of carbons. If said chains are short, vaporization temperatures shall be under or equal to the temperatures of the process, and this may produce linkage of said chains; on the contrary, if chains are long, their vaporization temperatures shall be higher than the temperature of the process therefore there is saturation of the molecule and loss of one or more carbon atoms. Crystalline water molecules within the raw material shall be free by shearing and friction. Likewise, any kind of water molecule in humid shape shall evaporate.
- Any molecule formed by carbon and hydrogen atoms, however saturated and chemically stable shall be under kinetic strength and friction with zeolites (or any other element) within a turbine; therefore the same shall break in a process resembling petrol cracking. This is the more significant effect of the process of these presents.
- The process temperature shall not be constantly over 400° C., since temperatures over 400° C. may produce mechanical damage to the turbine, therefore it is necessary to refrigerate the turbine. Temperatures should not be over 400° C. from the chemical point of view either to avoid occurrence of the carbonization process as well as tar formation.
- At the outlet of the turbine light hydrocarbons exits as vapor and higher hydrocarbons exit as liquids (oils). Those hydrocarbons that exit as vapor are absorbed by the negative pressure of the distillation tower, whilst those liquid hydrocarbons precipitate in the main chamber depending on its density in relation to the downward flow. The heavier oils are the first to enter in the turbine cycle. The inorganic solid materials and those coming from the chemical reactions precipitate in the bottom of the main chamber. In the distillation tower, hydrocarbon vapors flow from inside of condensed oils in its different sections, which have the density provided by the distillation tower, these vapors exit through the upper section. Heavier molecules return to the main chamber to undergo once more the process (this is essentially the normal process of a distillation tower).
- Water and oil vapor molecules overcome the process of the distillation tower and exit as vapor by the upper part, and then they pass by a heat exchanger the flow of which is fed by the vacuum pump at the outlet of the same, in its interior vapors condensate and pass by a separator that produces elutriation of the hydrocarbon water. When these hydrocarbons represent the end of the process the automotive gasoil.
- There exists a gas purger for the outlet of CO2 derived from raw material molecular oxygen, generally the amount of the emission is very low, the emission shall be high for glycerin and alcohols. Solid residues remaining at the end of the process precipitate in the bottom of the chute shaped main chamber and they are extracted through a tube and an on-line valve which opens when the same reach certain level of the chute. These solid remains are impregnated with liquid hydrocarbons, therefore they are transferred through a heat exchanger or electric resistance to evaporate these hydrocarbons and they are returned to the upper part of the main chamber. These solids generally include: Inorganic remains carrying raw material, products of the chemical reactions and remains of zeolites reactants (or others).
- In short, in the process of the present invention there is complete restructuring of raw material molecules to obtain the desired saturated hydrocarbon vapors. The main effect of the process is the high shearing produced by the turbine and the friction therein with the exothermic material. These two actions together cause breakage of physical and chemical structures of raw material into its components. Inorganic components form solids and CH2 components form saturated liquid and gas hydrocarbons, water vaporizes and oxygen atoms associate with carbon atoms forming CO2. Carbon atoms which have not bonded with available hydrogen atoms form bonds between them This event produces coke carbon granules. Without reactants and its neutralizing effect the desired effect would not be produced, because in the event of active chemical substances, said substances would be part of the process and other substances than the desired substances would be produced.
- The process temperature is the required one, which is not higher than the vaporization temperature of desired hydrocarbons. The function of the main chamber is to separate substances by their density.
- Molecules containing oxygen atoms, as described before, lose the oxygen atom and the carbon atoms forming CO2, in long chains this implies their cleavage, while in short molecules such as alcohols, glycerin, etc, the effect is the opposite and molecules link into a larger chain. To obtain polymers from alcohols the process is the same, but it is achieved at lower temperatures when polymers are obtained from zeolites.
- 1.—
FIG. 1 displays different perspectives of a small plant. - There is only one entrance. If there is more than one turbine the entrance is subdivided into one per turbine. Through this entrance the following enter: Selected raw material and the pulverized chemical reactants required.
- There are four exits, three of which are located at the exit of the condenser, one of them for the selected hydrocarbon (gasoil), the second one for water and the third one for gases. The fourth exit is located at the bottom of the main chamber for solid residues.
- Inlet of Raw Material Into the Process
- The volume of raw material depends on two parameters: the oil level in the cycle since the process is limited to a predetermined capacity. The second factor is the material viscosity found in the turbine-main chamber circuit since material should be fluid enough to allow it proper circulation, since income of high amounts of solid material or very viscous material could increase its viscosity, which would produce a fluid with unsuitable circulating properties and thus there would be disturbance of turbine operation.
- Process Temperature
- The process should be carried out at constant temperature with a temperature range such that selected hydrocarbons are evaporated. To achieve this temperature, and to further maintain or regulate this temperature value, there should be a suitable relation between exothermic material and zeolites (or others) depending on the temperature of the process.
- Fluid pH
- pH is the indicator of the proportion of reactants needed, since distortion of the pH scale (higher or lower) indicates which is the reactant that should be added and in what proportion.
- Elements Required to Measure the Process Operation
- Indicators of volume, when located in particular sectors of the process indicate the raw material provided, and measure the inlet of reactors and take care of gasoil and other compounds outlet.
- Level Probes
- The same are useful to measure the level of the compartments. There is one in the upper part of the main chamber that measures the oil level and another in the chute of the lower compartment that measures the solid level. The pH indicator probe is found at the exit of the turbine while the viscosity indicator probe at the entrance of the turbine.
- Temperature indicators
- These are located at the entrance and exit of the turbine, another in the lower part of the main chamber; at the exit of the distillation tower; at the exit of the condenser; and another two that shall measure the entrance and exit temperature of the refrigerating fluid of the condenser.
- These data shall make it possible to control the process both manually, analogically or digitally.
- In some cases gasoil obtained in the process may be rather shady, and this may be caused by the raw material used or some distortion of the process. Thus there shall be a distillation tower independent from the main process, in which a second distillation shall be carried out, the residues of this process being returned to the main chamber. The water recollected in the condenser passes by a filter system to settle hydrocarbons dragged by said water. Said hydrocarbons are returned to the main chamber. Later, said water is distilled and is not a problem. In relation to the solids recollected at the end of the main process, if the facility is large enough, there is a possibility to recollect part of the zeolites (if this material is used) which have been precipitated or dragged by inorganic substances. There is raw material such as lignin of the wood which contains a significant higher amount of carbon atoms than hydrogen molecules, which produces a great amount of coke carbon. Coke carbon is later recovered, by separating it from the rest of the solid residues by decantation.
- If raw material is rice straw and husk, the silicon contained therein would be recovered. In case of paper slurry silicon, alumina and carbon is recovered. From high sulfured crude, which is useless for conventional distillation, may produce high amounts of sulfur. Many other examples could be mentioned.
- Components may be separated from each other by several technologies, and the most suitable shall be applied for each particular case.
- No difficulties appear in relation to the production of liquid hydrocarbons with the process of these presents.
- These facilities shall be named SMRF: The components of which are of simple manufacture. The only requirement is a stainless steel boiler, turbines, engines and other elements that may be acquired in any country since there are plenty of manufacturers of these components. The size and production of the same is very diverse, from a few liters to thousands of liters per hour. They do not mean a risk to the environment, and they do not require any external service. Therefore, they may be installed in the same location as the raw material. The physical appearance of the facilities may vary. Herein attached appears a diagram of a compact installation with a performance of 700 liters produced/hour.
Claims (15)
1) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, which includes mainly the following different stages: Firstly a physical/mechanical separation and different steps in a second stage: Chemical.
2) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 1 , characterized by the use of carbon and hydrogen molecules of raw material such as biomass, hospital waste, urban solid waste and whatever kind of waste.
3) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 2 , characterized by a first step of physical/mechanic separation by milling of raw material, as well as shearing and friction with exothermic elements with the purpose of increasing the temperature and producing a molecular breakage.
4) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 3 , characterized because in its second stage, the chemical stage, there occur desired reactions with known reactants to lead the process to obtain liquid hydrocarbons.
5) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 4 , characterized by a first stage of selection, conditioning and controlled rise of the temperature of raw material with the purpose of eliminating water by heat exchangers.
6) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, characterized by a parallel and simultaneous stage of claim 5 ) in which the raw material that is not hydrated undergoes a controlled temperature rise to homogenize the whole mixture at the same viscosity for its uniform flow.
7) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 6 , characterized by a second stage for the analysis, acknowledging and quantification of active chemical substances, of inorganic molecules bonded to carbon and hydrogen chains, to obtain controlled temperature by the friction of reactants and friction in an exothermic process.
8) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 7 , characterized by being fed the main chamber and circuits of turbines with oil formed by liquid saturated hydrocarbons, at controlled temperatures, which are conduct agents of raw material and reactants, being viscosity the limiting property of fluid flow.
9) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 8 , characterized by inlet of raw material flow by self vacuuming of the turbine that shall cause the physical/mechanical shearing process, decrease of particle size (20 microns approx.) friction of reactants and increase of temperature.
10) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 9 , in which the physical/mechanical conditions cause the reaction and neutralization of chemically active substances, both free or linked to their chains.
11) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 10 , characterized by molecular cleavage of whatever molecule composed by carbon and hydrogen, whether saturated or not, and chemically stable undergoing kinetic strengths and friction with reactants.
12) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in 11, characterized by obtaining both light hydrocarbons (as vapor) and heavy hydrocarbons (as liquids) at the turbine exit.
13) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 12 , characterized by obtaining light hydrocarbons (as vapor), desired liquid hydrocarbons, once they are passed through the distillation tower, withdrawing the same at known condensation temperatures.
14) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 13 , characterized by including a series of stages, firstly physical/mechanical and then chemical stages for the restructuring of raw material molecules to obtain desired saturated hydrocarbon vapors.
15) Process to obtain liquid hydrocarbons by cleavage of carbon and hydrogen molecules, as claimed in claim 14 , characterized by a result subdivided in: Inorganic (decanting solids), liquid and gaseous saturated hydrocarbons CH2 and lastly CO2 obtained by O2 atoms of vaporized water associated to carbon atoms.
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NI (1) | NI200700067A (en) |
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SE (1) | SE530726C2 (en) |
TR (1) | TR200701190A2 (en) |
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GB2543023A (en) * | 2015-08-13 | 2017-04-12 | Acquascience Ltd | Road Fuel Comprising a Histology Solvent |
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- 2007-01-22 AR ARP070100268A patent/AR059144A1/en active IP Right Grant
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