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Comprehensive utilization method of energy grass

A technology for energy grass and plants, applied in the direction of solid waste removal, etc., can solve problems such as insufficiency, and achieve the effect of increasing added value, efficient utilization, and green technology

Active Publication Date: 2015-06-10
福州市惠达天下生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, my country's timber resources are far from meeting the needs of the growing pulp and paper industry.

Method used

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Examples

Experimental program
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Embodiment Construction

[0019] The following uses 10 tons of Jujuncao (dry matter content 25%) as an example to further illustrate the specific implementation of the present invention. The present invention includes but is not limited to the following examples.

[0020] (1) Preparation of biogas from energy grass: After the energy grass is harvested, cut or crush it into about 5 cm, add pretreatment bacteria agent, and pre-ferment in airtight for 60 days;

[0021] (2) Anaerobic biogas fermentation of the pre-fermented energy grass. Add the primary fermented energy grass to the biogas fermentation tank, and feed once every 5 days, so that the total dry matter concentration of the feed liquid increases by 1% each time. When the total dry matter concentration of the feed liquid is 8%, discharge 30% of the fermented biogas residue every 5 days and then add raw materials with the same dry matter weight. 80% of the biogas slurry and biogas residue are discharged every 12 months, and new materials are adde...

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Abstract

The invention discloses a comprehensive utilization method of energy grass. With energy grass as a raw material, biogas, paper pulp and a plant cultivation nutrient solution are generated. Grass, biogas residues and biogas slurry are organically connected with one another, the biogas is prepared from the energy grass, the paper pulp is produced from the biogas residues, and a soilless culture nutrient solution is produced by the biogas slurry, so that efficient utilization of resources and improvement of additional value are realized, and an efficient agricultural comprehensive utilization is constructed.

Description

technical field [0001] The invention belongs to the field of agricultural production systems, and in particular relates to a comprehensive utilization method of energy grass. Background technique [0002] Energy grass refers to a class of annual or perennial energy plants with high yield and high cellulose content, which are dominated by gramineous plants. It has a wide range of applications in the field of bioenergy, but the current application is relatively isolated and has not formed a complete system, so the economic value of energy grass has not been fully reflected. [0003] Biogas is a kind of combustible gas produced by various organic substances through the fermentation of microorganisms in the isolation of air (reducing conditions) and at a suitable temperature and pH value. Biogas belongs to secondary energy and is a renewable energy. Biogas is a mixture of various gases, generally containing 50-70% methane, and the rest is carbon dioxide and a small amount of n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00B09B5/00
Inventor 刘斌于智豪肖正赵超吕旭聪刘晓艳赵立娜李鑫
Owner 福州市惠达天下生物科技有限公司
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