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Preparation method of bio-fuel

A technology for biofuels and raw materials, applied in the fields of biofuels, waste fuels, fuels, etc., can solve problems such as pollution and fuel-scarce environment, and achieve the effects of reducing environmental pollution problems, strong operability, and simple technology

Active Publication Date: 2014-02-05
SHANDONG TAIDE NEW ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technology of the invention is simple, operability is strong, and the product quality is relatively high, which not only realizes the reuse of crop straws, some domestic and industrial wastes, etc., but also can effectively alleviate the problem of oil and other fuels faced by today's society. Resource crisis, solve the problem of existing fuel shortage and environmental pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment １

[0022] Pre-treat the collected agricultural and forestry waste and municipal solid waste, remove the debris such as garbage and soil clods contained therein, crush the straw to 40mm, stir it evenly, and dry it with a dryer until the moisture content is 20% , put the dehydrated biomass in the steam explosion equipment, pass in steam at 200°C, hold the pressure at 1.5MPa for 5 minutes, and then carry out instant steam explosion, and then carry out solid-liquid separation of the steam explosion products, and The separated solid matter was rinsed with water for 10 minutes, then soaked in water at 60°C for 60 minutes, and then the washed solid matter was dehydrated to a water content of 10% by weight. The above-mentioned mixture was sent into a molding machine and pressed at 20KPa for molding, and then naturally air-dried for 6 hours to make it more stable, and finally a block biofuel was obtained.

[0023] Compared with other biofuels prepared by the prior art, the method has ...

Embodiment 2

[0025] Pre-treat the collected agricultural and forestry wastes and municipal solid wastes, remove the debris such as garbage and soil clods contained therein, crush the straw to 50mm, stir it evenly, and dry it with a dryer until the moisture content is 25% , put the dehydrated biomass in the steam explosion equipment, pass in steam at 250°C, hold the pressure at 1.8MPa for 8 minutes, and perform instant steam explosion, and then separate the solid and liquid of the steam explosion product, and put The separated solid matter was rinsed with water for 15 minutes, then soaked in water at 70°C for 30 minutes, and then the washed solid matter was dehydrated to a water content of 20% by weight. The above-mentioned mixture was sent into a molding machine and pressed at 30KPa for molding, then air-dried for 6 hours to make it more stable, and finally a block biofuel was obtained.

[0026] Compared with other biofuels prepared in the prior art, only part of the process of the pre...

Embodiment 3

[0028] Pre-treat the collected agricultural and forestry wastes and municipal solid wastes, remove the debris such as garbage and soil clods contained in them, crush the straw to 45mm, stir it evenly, and dry it with a dryer until the moisture content is 25% , put the dehydrated biomass in the steam explosion equipment, pass in steam at 250°C, hold the pressure at 1.8MPa for 10 minutes, and then carry out instant steam explosion, and then carry out solid-liquid separation of the steam explosion products, and The separated solid matter was rinsed with water for 10 minutes, then soaked in water at 85°C for 20 minutes, and then the washed solid matter was dehydrated to a water content of 10% by weight. The above-mentioned mixture was sent into a molding machine and pressed at 20KPa for molding, and then naturally air-dried for 6 hours to make it more stable, and finally a block biofuel was obtained.

[0029] Compared with other biofuels prepared by the prior art, the present ...

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Abstract

The invention provides a preparation method of a bio-fuel, comprises the steps of pre-treating raw materials, crushing raw materials and drying, performing steam explosion, washing and compression moulding. The method is simple in technology and strong in operability, the quality of the prepared product is relatively high; agricultural crop stalks and a plurality of domestic and industrial wastes are recycled, and the fuel resource crisis such as petroleum and the like in current society can be effectively eased, and the existing fuel lacking and caused environment pollution problem are solved.

Description

technical field [0001] The present invention relates to the technical field of waste biomass recovery and utilization, in particular to the technology of using waste biomass (including animals and plants and their excrement, agricultural and forestry waste, urban solid waste, etc.) to prepare biofuels. Preparation. Background technique [0002] In recent years, the development speed of biofuel production in the world has exceeded that of petroleum production. The challenges of global energy security and climate warming have prompted countries to vigorously develop the biofuel industry. The United States, the European Union, and Japan have all formulated medium and long-term development goals for biofuels; the United States plans to replace 30% of fossil fuels with biofuels by 2030; the European Union It requires its member states to make biofuels account for 5.75% of the market share by 2010, and increase the use of biofuels to 10% by 2020; Japan strives to achieve the goal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44C10L5/46
CPCY02E50/30Y02E50/10
Inventor 车春玲刘霞
Owner SHANDONG TAIDE NEW ENERGY
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