Process for preparing biological diesel by repeseed fermenting method

A biodiesel and production process technology, applied in the field of biochemical technology, can solve the problems of low calorific value, instability and insufficient combustion of ethanol gasoline

Inactive Publication Date: 2005-02-23
曹建国 +2
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  • Abstract
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AI Technical Summary

Problems solved by technology

Now extracting ethanol from grain is a desirable direction, but ethanol gasoline has low calorific value and insufficient combustion, so the biochemical method of extracting diesel from vegetable oil was proposed earlier, but it is still unstable

Method used

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Embodiment Construction

[0030] The production process of the present invention is divided into five stages, raw material pretreatment, bacterial strain cultivation, neutralization, and then washing, drying and fractionation. The production equipment used is the same as that of common oil production equipment, and the production of biodiesel has high economic benefits. On average, 245 kg of biodiesel can be produced per ton of rapeseed, and 10% of the by-products—glycerin and feed yeast—will be produced during the production of biodiesel.

[0031] The main production equipment of fermented diesel oil:

[0032]1. Stirring general fermentation tank; 2. Sterile air filtration system; 3. Primary and secondary seed tanks; 4. Diesel oil drying and fractionation equipment; 5. By-product dry oil evaporation and distillation equipment; 6. Neutralization tank; 7. Yeast centrifuge; 8. Feed yeast fermentation equipment

[0033] The specific operation is as follows:

[0034] 1. Raw material pretreatment section:...

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Abstract

This invention has disclosed a kind of production technology of utilizing fermented legal system of the rape seed to fetch the biological diesel oil. Compared with diesel oil drawn the diesel oil made and is fetched in the petroleum, the burning that the biological diesel oil can not merely be more abundant, and the harmful gas dicharged in the air is much fewer. Ferment kinds of fungus, rape seed powder gone mouldy to stem from have, fermented course steady performance have, easy to control, it is high to transform the diesel oil rate, does not porph under the corresphonding save condition. This invention production technology is divided into five stages, raw materials pretreament, bacterial cultivation, neutralization, then wash dry fractional distillation, the production equipment used is like making oil equipment of one share, produce biological diesel oil have high economic benefits very, average each ton of rape seed can be made and fetched 245 kilograms of biological diesel oil, and will also produce 10% of the by products-glycerine and odder yeast during the process of producing biological firewood.

Description

Technical field: [0001] The invention belongs to a kind of biochemical technology. Specifically, it is a process technology for producing biodiesel from rapeseed through strain fermentation. It also involves the cultivation of strains and the extraction and utilization of by-products. technical background: [0002] With the development of modern industry, the energy consumption of human beings is increasing. As natural oil is impossible to regenerate energy, with the exhaustion of resources, its supply ratio will deteriorate. It will be very important to study renewable energy to replace oil. A technology of the future. Extracting ethanol from grain is a desirable direction now, but ethanol gasoline has low calorific value and insufficient combustion, so the biochemical method of extracting diesel from vegetable oil was proposed earlier, but it is still unstable. Invention content: [0003] The purpose of the invention is to disclose a production process for preparing b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G3/00C12S3/00
CPCY02E50/13Y02E50/10Y02P30/20
Inventor 曹建国郎福祥李军
Owner 曹建国
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