Production method for hydrothermal bamboo based biomass carbon adsorption material catalyzed by inorganic strong acid

A technology of inorganic strong acid and biochar, which is applied in chemical instruments and methods, adsorption water/sewage treatment, other chemical processes, etc., can solve the problems of low utilization rate of bamboo resources, improve adsorption capacity, increase added value, and be good The effect of adsorption performance

Inactive Publication Date: 2015-10-21
ZHEJIANG FORESTRY UNIVERSITY
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Problems solved by technology

However, at present, the utilization rate of bamboo resources in my country is on the low side, with a primary utilization rate of 20%-50%. There are a large amount of bamboo processing residues such as bamboo chips, sawdust, scraps, etc., and more than 11.8 million tons of miscellaneous bamboo and bamboo that have not yet been utilized. small diameter bamboo

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  • Production method for hydrothermal bamboo based biomass carbon adsorption material catalyzed by inorganic strong acid
  • Production method for hydrothermal bamboo based biomass carbon adsorption material catalyzed by inorganic strong acid
  • Production method for hydrothermal bamboo based biomass carbon adsorption material catalyzed by inorganic strong acid

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Embodiment 1

[0018] Embodiment 1 (corresponding embodiment 1 and the proportioning value by weight in contrasting table above), prepare as follows according to the following steps:

[0019] (1) Grinding bamboo chips, bamboo chips, leftovers, bamboo silk, etc. into 60-80 meshes;

[0020] (2) Preparation of hydrothermal bamboo charcoal: the 60-80 mesh bamboo powder of 60 parts by weight and the concentration of 21 parts by weight of 37% concentrated hydrochloric acid are placed in 220 parts by weight of water, stirred and mixed evenly at room temperature and then placed in a polytetrafluoroethylene In a stainless steel reaction kettle lined with ethylene, react at 200°C for 15 hours, cool naturally, filter with suction, wash until neutral, and then dry to obtain hydrothermal bamboo charcoal;

[0021] (3) Preparation of activated hydrothermal bamboo charcoal: mix the hydrothermal bamboo charcoal obtained in step (2) with 3.6 parts by weight of sodium hydroxide and 240 parts by weight of water...

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Abstract

The invention discloses a production method for a hydrothermal bamboo based biomass carbon adsorption material catalyzed by inorganic strong acid. The method comprises the steps of: grinding residue of bamboo powder production into bamboo powder of 60-80 mesh, then performing a hydrothermal reaction on the bamboo powder under a strong acid condition to prepare hydrothermal bamboo charcoal; and activating the above obtained hydrothermal bamboo charcoal by inorganic base and obtaining an activated hydrothermal bamboo charcoal adsorption material. The present invention is simple in process, low in raw material costs, and large in adsorption amount. The adsorption material prepared by the present invention can be applied to cationic dyestuff adsorption treatment, and has a good treatment effect. According to the invention, not only the recycling of bamboo residue resources is realized, but also a cheap and novel highly-effective adsorbent is obtained, and the development of environmental protection cause is facilitated.

Description

technical field [0001] The invention belongs to the field of preparation of biomass charcoal adsorption materials and environmental pollution control, in particular to a production method of using bamboo powder as the main material to carry out hydrothermal carbonization to prepare biomass adsorption materials, specifically inorganic strong acid catalyzed hydrothermal bamboo-based biomass charcoal Methods of production of adsorbent materials. Background technique [0002] Statistics from the Eighth National Forest Resources Inventory show that my country's bamboo forest area is 6.01 million hectares, and the bamboo forest area, bamboo stock, bamboo product output and export volume all rank first in the world, and bamboo processing technology and bamboo product innovation capabilities are at the world's advanced level. However, at present, the utilization rate of bamboo resources in my country is on the low side, and the primary utilization rate is 20%-50%. Trail bamboo. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J20/30C02F1/28
Inventor 李兵傅深渊杨平张云鹏
Owner ZHEJIANG FORESTRY UNIVERSITY
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