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System and method for producing activated carbon and cogenerating power by using Arundo donax Linn

A reed bamboo, superheated steam technology, applied in chemical instruments and methods, climate sustainability, machines/engines, etc., can solve the problem of adding more surface negative charges, the adsorption capacity of activated carbon is far away, and it is impossible to prepare activated carbon from biomass. Cogeneration power generation and other issues to achieve the effect of improving adsorption performance and reducing demand

Active Publication Date: 2016-09-21
SHENWU TECH GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The biochar produced by pyrolyzing biomass has a highly developed pore structure and increased surface negative charge, but it is far behind the adsorption capacity of activated carbon. As activated carbon, it needs further activation
[0006] The existing technology cannot realize the preparation of activated carbon from biomass and co-generation of power generation

Method used

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  • System and method for producing activated carbon and cogenerating power by using Arundo donax Linn
  • System and method for producing activated carbon and cogenerating power by using Arundo donax Linn
  • System and method for producing activated carbon and cogenerating power by using Arundo donax Linn

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Embodiment

[0063] The raw material of reed bamboo in this embodiment comes from Guangxi Guilin Xingtai Company, and the moisture content of the raw material of reed bamboo is 40.3%. The method for preparing activated carbon cogeneration power generation from Arundis arundis of the present invention, its steps are:

[0064] (1) Raw material preparation: pulverize the raw bamboo bamboo with a water content of 40.3% to about 4-5 cm.

[0065] (2) Pretreatment of reed bamboo stalks: put the reed bamboo stalks obtained in step (1) into the reaction solution for soaking and pretreatment, and the reaction solution is NaOH and H 2 o 2 A mixed aqueous solution composed of 1.5% NaOH, H 2 o 2 The mass fraction is 0.5%; the pretreatment parameters are: solid-to-liquid ratio (g / ml) 1:30, the treatment time is 8 hours, and the pretreated reed bamboo stalks are washed with water.

[0066] (3) Reed bamboo drying and pyrolysis: send the reed bamboo straw washed in step (2) into the regenerative radian...

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Abstract

The invention discloses a system and method for producing activated carbon and cogenerating power by using Arundo donax Linn. The system comprises a pretreatment system, a pyrolyzing furnace, a combustion chamber, a waste heat boiler and a power generator, wherein the pretreatment system comprises a discharge port; the pyrolyzing furnace comprises a feed port, a superheated steam inlet, an activated carbon outlet and an oil-gas outlet; the combustion chamber comprises an oil-gas inlet and a fume outlet; the waste heat boiler comprises a fume inlet and a superheated steam outlet; and the power generator comprises a superheated steam inlet. By using the system and method, the Arundo donax Linn is pretreated and pyrolyzed, and secondary activation of biological carbon is carried out in the holding process after the pyrolysis finishes, thereby obtaining the activated carbon. The high-temperature oil gas generated by pyrolysis is combusted and subjected to heat exchange by the waste heat boiler to generate superheated steam, part of the superheated steam is used for activating biological carbon, and part of the superheated steam is used for steam turbine power generation. The system and method implement cogeneration of activated carbon and electric power, thereby reducing the demands for external energies and having the effects of energy saving and emission reduction.

Description

technical field [0001] The invention belongs to the technical field of agricultural resource utilization, and in particular relates to a system and method for producing activated carbon and cogeneration of electricity from reed bamboo. Background technique [0002] Biomass is the material that constitutes the body of animals and plants. Plants are mainly composed of starch and cellulose, and animals are mainly composed of fat and protein. They are collectively referred to as biomass. It is estimated that lignin and cellulose, the main components of plant biomass, are continuously regenerated at a rate of about 164 billion tons per year, which is equivalent to 15 to 20 times the current annual oil production in terms of energy. If these resources can be utilized, human beings are equivalent to possessing an inexhaustible treasure house of resources. Moreover, since biomass is derived from photosynthesis, it produces CO after combustion 2 , does not increase atmospheric CO ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B31/10F01D15/10B01J20/20B01J20/30
CPCB01J20/20B01J2220/4825C01P2006/12C01P2006/80F01D15/10Y02P20/10Y02P20/129
Inventor 王惠惠巴玉鑫肖磊吴小飞任浩华房凯蔡先明吴道洪
Owner SHENWU TECH GRP CO LTD
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