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Biodesel and method for preparing same

A bio-based and bio-oil technology, which is applied in the preparation of liquid hydrocarbon mixtures, biological raw materials, biofuels, etc., can solve problems such as inconsistencies, and achieve the effect of good stability and high calorific value

Inactive Publication Date: 2009-01-07
俏东方生物燃料集团有限公司
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Problems solved by technology

[0005] At present, in the production of biodiesel, there are only fatty acid methyl ester products in China, and there is no C 12～14 Hydrocracking is also used in the production of alkane products and petroleum diesel, but its raw materials, catalysts and control conditions are not in line with this technology

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  • Biodesel and method for preparing same

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Embodiment Construction

[0025] With hickory kernel oil as raw material, prepare bio-based diesel oil (process flow chart as figure 1 shown). The specific process steps are as follows:

[0026] (1) Raw material pretreatment: After the hickory kernel oil is pressurized by the oil pump, it is 3 The / h flow enters the filter, removes solid impurities by filtration, and then undergoes thermal dehydration treatment in a dehydration tank to remove excess water in the oil, and then enters the buffer tank and then goes to the high-pressure oil pump. Make the water content ≤50μg / g. Before entering the rectifying section, the oil material exchanges heat with the material liquid coming out of the separator, and is heated to the specified liquid inlet temperature by the heating furnace.

[0027] (2) New hydrogen pressurization: use hydrogen (99.99%) at 2500m 3 The / h gas speed is passed into the separation tank to remove the liquid droplets in the gas, and then enters the three-stage reciprocating compressor....

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Abstract

The invention relates to bio-based diesel oil and a preparation method thereof. The biological diesel oil comprises the components with the weight percentage of 3-10 percent of mixed ester of methyl, ethyl and butyl, 2-5 percent of butanol and isobutanol, 0.1-0.3 percent of carbonate rare earth lanthanum cerium polyol oleate copolymer, and the rest is C<12-14> alkane and C<12-14> isoparaffin. The preparation method is divided into two steps: biological oil which is prepared through rapid middle temperature thermal cracking and plant grease with 35-40 percent of the C more than or equal to 18 fatty acid content are used as raw materials, and high pressure hydrofing cracking and all formulation screening process are used for the preparation. The prepared bio-based diesel oil has the advantages of high thermal value, high cleanness, low freezing point and good stability, can be used as both the necessary component of highly clean diesel oil and a novel environmental protection solvent and can completely substitute present various diesel oil fuels.

Description

1. Technical field: [0001] The invention relates to a bio-based diesel oil and a preparation method thereof, belonging to the biodiesel field of bio-energy in biomass engineering, in particular to a method of high-pressure hydrofining, cracking and full formula screening using bio-oil and various animal and vegetable oils Process for preparing high-performance bio-based diesel products and its preparation technology. 2. Background technology: [0002] Biodiesel refers to fatty acid methyl ester liquid fuel produced from oil crops, oil tree fruits, oil aquatic plants, etc. At present, the processing technology is mainly transesterification method, and the chemical composition of the product is fatty acid methyl ester. The main defect of this type of process product is that the calorific value is low, and the emission of nitrogen compounds is not reduced. When used in diesel engines, there is a decrease in engine power ( 5%~12%), poor storage stability, NO in tail gas emissio...

Claims

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Application Information

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IPC IPC(8): C10G3/00C10G47/02C10G7/06
CPCY02E50/13Y02E50/10Y02P30/20
Inventor 吉二旺
Owner 俏东方生物燃料集团有限公司
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