70 results about "Biofuel Oils" patented technology

The invention discloses a collection method of oil-containing microalgae and is characterized in that the method comprises the following steps: a chitosan-Lewis acid flocculant is added into a culture liquid of oil-containing microalgae until the concentration of Lewis acid in the microalgae culture liquid ranges from 3 mg/L to 9 mg/L and the concentration of chitosan in the microalgae culture liquid ranges from 2 mg/L to 30 mg/L; the microalgae culture liquid is rapidly stirred at a rotation speed ranging from 200 rpm to 500 rpm for 1 mintues to 5 mintues and then slowly stirred at a rotation speed ranging from 20 rpm to 70 rpm for 20 mintues to 40 mintues, and sequentially the microalgae culture liquid stands to allow precipitation for 15 mintues to 60 mintues; and the microalgae flocculation body is centrifugally dehydragted under the condition that the rotation speed ranges from 3000 rpm to 5000 rpm. The invention adopts the chitosan-Lewis acid compound flocculant which is easily prepared, can form a compact flocculation body and can increase the overall dehydration rate of the microalgae mud up to over 98%, so as to completely meet the produciton requirements of the biological fuels, achieve the flocculant and catalyst integrated technique, save the cost and have remarkable economic and social benefits.

The invention relates to a method of preparing biological fuel oil based on the compositions of ethanol, methanol, toluene, isopropyl alcohol, surface active agent, ethyl nitrate and ferrocene and the prepared product; the biological fuel oil in the invention has high octane number, high cetane number and low corrosiveness.; the engine which uses the product prepared by the method in the invention has high power and low environmental pollution so that the fuel oil product prepared by the method is the fuel oil which is environmental-friendly and resource saving.

A method for producing synthesis gas, including: 1) pre-processing a biomass raw material; 2) pyrolyzing the biomass raw material to yield a pyrolysis gas and a carbon powder; 3) separating the pyrolysis gas from the carbon powder and a solid heat carrier; 4) separating the carbon powder away from the solid heat carrier via a solid-solid separator; 5) conveying the generated pyrolysis gas to a condensate tank for spray condensation, condensing a condensable part in the pyrolysis gas to generate biological fuel oil, pressurizing the generated biological fuel oil by a high pressure oil pump and feeding to a gasification furnace to be gasified; and 6) feeding one part of non-condensable pyrolysis gas to a combustion bed to combust with air, and conveying the other part of the non-condensable pyrolysis gas to the pyrolysis bed as a fluidizing medium.

The present invention belongs to the field of comprehensive biomass utilizing technology, and is especially process of preparing biofuel oil and fuel gas with half-dried biomass. By means of half-drying process at relatively low temperature (300 600 deg.c), biomass is heat converted into biofuel oil and fuel gas without need of introducing gasifying medium and preheating gas. In the product, the obtained biofuel oil has heat value of 30-46 MJ/kg and oxygen content less than 6 %.

The process of preparing fuel oil butanol with cassava material includes the steps of mixing slurry with crushed cassava or cassava starch, adding acid or alkali to soak and to eliminate impurity, adding S1010 to catalyze reaction, cooling, inoculating CL.a-b Np-1 spawn to ferment to obtain mixed liquid, fractionating to obtain coarse fuel oil butanol product, and treating with QR-W absorbent to obtain refined fuel oil butanol product. The refined fuel oil butanol product may be added with QR-E modifier to obtain qualified fuel oil butanol. The process is simple and low in cost, and the present invention provides one new way for producing biofuel oil and utilizing cassava resource.

The invention discloses an oil-containing microalgae pressure catalytic oil refining technology, comprising the following steps: directly putting the wet microalgae into a high pressure reactor, and adding a certain amount of organic solvent and Lewis acid catalyst into the reactor; inflating the CO2 of 2 to 4 MPa into the reactor, stirring and heating to the temperature of 300 to 450 DEG C to react for 30 to 60 minutes; and cooling to the room temperature to obtain a raw product, and separating to obtain a liquid product; removing part of the organic solvent and most of the water, and addinga microemulsification assistant to obtain the micro emulsification biofuel oil. In the invention, the wet microalgae is used as the raw material, thereby avoiding the defect of large consumption of the energy in the drying of the oil-containing microalgae. The micro emulsification biofuel oil produced has good stability, no layering, no sediment, high temperature resistance, easy storage, high calorific value, sufficient burning and less ash content, can be used to replace the domestic fuel and part of the industrial fuel, and has wide application field.

The present invention relates to a novel biological fuel oil, in particular to a biological oil using citrus oil as a material and a preparation method thereof. The materials used by the technology are the offal and rejects of fruits, making a break through in the prior production mode of biological diesel oil at home and abroad, which is the biggest contribution made by the technology. The citrus oil is regenerative energy, and can substitute petrifaction fuel. Citrus fruit is evergreen xylophyta which is beneficial to ecological environment improvement. The method for preparing the biological fuel oil by using the citrus oil as the material comprises the following steps that: that raw oil extracted from the materials which are pericarps, stones, roots, branches and leaves, etc. of rutaceae citrus plants such as lemon, pomelo, orange, king orange, mandarin, etc. is subjected to water filtrating, impurity filtering and substance such as pigment, etc. extraction so as to obtain the oil; the oil mainly contains limonene of 95 percent, which is terpene with a molecular formula C10H16 and can be directly used as fuel oil to ignite and burn. The biological oil also can be prepared from the citrus oil of between 50 and 80 percent and methanol (ethanol) of between 20 and 50 percent, by weight percentage.

The invention relates to a method for preparing biofuel oil using crop straws and brushwoods by thermal cracking, in particular to a thermal chemical cracking technology. The method comprises a heat carrier particle heating furnace 1, a cyclone separating device 4, a single-spiral feeder 8, a condenser 11, a fluidized bed cracking furnace 6, a gas-carbon separator 9 and a gathering tank 12. The method has the advantages that: a process system of the invention is suitable for completing thermal cracking and condensing process within 0.5 second, so output capacity of biological oil is high and can reach over 67 percent; and the system adopts a closed loop, residual combustible gas and residual heat can be reused to heat carrier particles, so the method can save energy to reduce cost.

The present invention belongs to the field of comprehensive biomass utilizing technology, and is especially process of preparing biofuel oil and fuel gas with biomass by using screw extruder. Screw extruder is utilized in compressing water-containing biomass material, and by means of regulating the staying time of the biomass material in the heating area of the screw extruder, biofuel oil and fuel gas with low oxygen content and high heat value may be produced. In the product, fuel gas accounts for 50-70 % and biofuel oil 10-20 %, and the obtained biofuel oil has heat value of 30-46 MJ/kg and oxygen content less than 6 %.

A method for preparing novel biologic fuel oil by using cornus wilsoniana oil is provided, which comprises adding cornus wilsoniana oil and assistant into a raw-material modifying and discoloring tank to modify and discolor, keeping still and separating, adding the modified and discolored crude oil, solvent oil, catalyst, and power enhancing agent into a mixing tank with an agitating device to agitate, keeping still, filtering, getting synthetic fuel agent, mixing the synthetic fuel agent and petrochemical diesel oil to get the novel biologic fuel oil. The time for the modifying and discoloring is 45 minutes, the preparing of the synthetic fuel agent is to fully agitate and react for 30 minutes under normal temperature and normal pressure, the mixing proportion of the synthetic fuel agent and the petrochemical diesel oil is 0-30%. The novel biologic fuel oil prepared by using cornus wilsoniana oil can be equivalently used in any applications using diesel oil, and the use method of the novel biologic fuel is same with that of diesel oil.

The invention provides multicomponent formula combined biological fuel oil and a preparation method thereof. Per 100 parts by weight of the multicomponent formula combined biological fuel oil comprise, in parts by weight, no more than 85 but larger than zero part of a methanol modified composite substance, 5-70 parts of oleic acid, 5-50 parts of n-butanol, 1-8 parts of a surfactant and 1-15 parts of a modified additive; and 0-45 parts by weight of industrial purified water can be added according to specific application. The multicomponent biological fuel oil has the performances similar to those of petrochemical diesel oil and can be mixed with common petrochemical diesel oil according to random ratios or a certain ratio for use, and the multicomponent biological fuel oil has the advantages of high fuel value, high flash point, low condensation point, low cold filter plugging point, low corrosivity, less discharge and low cost.

The invention discloses a method of preparing bio-fuel oil from waste biomass. The method includes the steps of: firstly performing thermo-hydrolysis to the waste biomass and filtering a thermo-hydrolyzed product to obtain bio-crude oil and a water phase; refining the bio-crude oil, and mixing the refined oil with diesel oil, a solvent, mixed ester and an oil-soluble organic metal salt to obtain the bio-fuel oil; and treating the water phase through anaerobic fermentation or supercritical water gasification technology to obtain hydrogen and methane. The method effectively solves environment pollution due to biomass waste gas and alleviates energy crisis, turns waste into resources and saves cost. The bio-fuel oil has no adverse effect on parts in automobile engines and is convenient to use. Through the anaerobic fermentation or supercritical water gasification technology for treating the separated water phase, harmless treatment on the water phase is achieved, which is beneficial to environment protection.

The invention discloses a preparing method of biological fuel oil with poor oil in chemical industry technical domain, which comprises the following steps: removing water and impurity of raw oil; separating oil and extricate aliphatic acid through vacuum distillation; reacting the oil with carbinol through base catalysis method; getting aliphatic acid methyl ester; reacting extricate aliphatic acid with carbinol through acid catalyst; getting aliphatic acid methyl ester; merging the rough aliphatic acid methyl ester; washing; distilling; refining; getting the product. This invention either increases the adaptability of craft, or improves the availability ratio of raw material.

The present invention belongs to the field of comprehensive biomass utilizing technology, and is especially use of screw extruder in preparing biofuel oil and fuel gas with biomass. Screw extruder is utilized in compressing water-containing biomass material, and by means of regulating the staying time of the biomass material in the heating area of the screw extruder, biofuel oil and fuel gas with low oxygen content and high heat value may be produced. In the product, fuel gas accounts for 50-70 % and biofuel oil 10-20 %, and the obtained biofuel oil has heat value of 30-46 MJ/kg and oxygen content less than 6 %.

The invention belongs to the field of fuel processing equipment and particularly provides a biofuel oil processing device. The device comprises a separation pretreatment device, and a degumming device, a deacidification device, a decoloring device, a dehydrating device and a deodorizing device, which are sequentially connected. The degumming device, the deacidification device, the decoloring device and the deodorizing device are provided with stirring devices. The stirring device comprises a motor, a speed reducer and a stirring shaft connected orderly. The stirring shaft is provided with a first stirring blade and a second stirring blade at intervals. The first stirring blade and the second stirring blade are spiral. The spiral directions of the first stirring blade and the second stirring blade are opposite. The biofuel oil processing device realizes high-temperature sterilization of animal products, automatic oil-water separation and recovery. Through improvement of the stirring device, the oil products to be processed are uniformly mixed so that the processing efficiency of the bio-fuel oil and the quality of the finished oil are improved.

The invention provides a method for producing an environment-friendly blending component of marine fuel oil by adopting catalyst-free glycerol esterified hogwash oil. The hogwash oil is subjected to glycerol esterification to obtain biological fuel oil of which the acid value is less than or equal to 6.5mgKOH/g, the ash content is less than or equal to 0.1% and the pour point is less than or equalto 30 DEG C. The hogwash oil is subjected to catalyst-free heating and vacuum glycerol esterification to obtain the biological fuel oil which serves as the blending component of the marine fuel oil,and the method provided by the invention is simple in process, environment-friendly, pollution-free, low in production cost and easy to realize industrialization.

The invention provides a method and an apparatus for refining biomass fuel oil by a hydration catalysis means. The method comprises the following steps: a molecular sieve catalyst is used, water vapor is introduced for carrying out a catalytic cracking reaction, and a hydration catalytic cracking reaction is formed; water vapour is directly involved in the reaction in order to accomplish formation of alkanes from unsaturated hydrocarbons, and an esterification reaction of fatty acid and oleic acid is accomplished synchronously. The method has a simple process, the quality of the product is stable, and the method and the apparatus are better suitable for refining biomass fuel oil from waste oil and fat of animals and plants as well as waste plastics.