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Preparation method of biomass tar industrial creosote

A production method and biomass technology, applied in the field of comprehensive utilization of agricultural waste, can solve problems such as agricultural ecological environment hazards, polluted soil and water sources, and achieve the effect of promoting development and improving economic benefits

Inactive Publication Date: 2012-06-06
周仁福 +2
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Problems solved by technology

[0005] The main purpose of the present invention is to overcome the use of the existing agricultural waste carbon gasification technology, a large amount of waste water containing biomass tar and wood acetic acid is discharged into the farmland, which seriously pollutes the soil and water sources, and causes harm to the agricultural ecological environment. Provide a method for producing biomass tar industrial creosote by using biomass tar, the technical problem to be solved is to make the impurity produced in the agricultural waste charcoal gasification technology-biomass tar be effectively utilized

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Embodiment Construction

[0018] For further elaborating the technical means and effects that the present invention takes to reach the predetermined invention purpose, below in conjunction with accompanying drawing and preferred embodiment, to its specific implementation, feature of the preparation method of biomass tar industrial creosote proposed according to the present invention And its effect, detailed description is as follows.

[0019] see figure 1 Shown, the preparation method of the biomass tar industrial creosote of preferred embodiment of the present invention is characterized in that comprising the following steps:

[0020] Step 1. Raw material collection Carry out atmospheric pressure distillation on the anhydrous biomass tar, collect the fraction of the biomass tar in the process of 190-230°C, and use it as the biomass tar industrial creosote raw material;

[0021] Step 2. Alkaline washing to remove acid

[0022] 2-1 Use sodium carbonate to neutralize and wash the acid in the biomass ta...

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Abstract

The invention relates to a comprehensive utilization technology of agricultural wastes, especially a preparation method of biomass tar industrial creosote. The method comprises: step 1. colleting raw materials: conducting atmospheric distillation to waterless biomass tar, and collecting distillates of the biomass tar ranging from a temperature of 190 to 230DEG C; step 2. conducting alkali washing to remove acid; step 3. separating neutral oil to obtain industrial creosote. By making effective use of biomass tar, the method of the invention solves the secondary pollution problem of biomass tar during utilizing carbonization and gasification technologies of agricultural wastes, changes waste materials into things of value, and improves the economic benefits of utilizing carbonization and gasification technologies of agricultural wastes.

Description

technical field [0001] The invention relates to a technology for comprehensive utilization of agricultural waste, in particular to a production method for converting biomass tar produced in the process of comprehensive utilization and conversion of agricultural waste into biomass tar industrial creosote Background technique [0002] Biomass produces a large amount of biomass tar in the process of pyrolysis and gasification. Biomass tar is an important chemical raw material. Its quality is higher than that of coal tar. It exists in a liquid state when it is lower than 200 ° C. Pyrolysis into small molecular gas. Among the biomass tar distillation fractions collected at atmospheric temperature, the sour water fraction is below 110°C, the light oil fraction is at 110-190°C, the creosote fraction is above 190°C, and there are residual fractions with high calorific value. Among them, the sour water fraction obtained from the distillation of biomass tar can be processed together ...

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Application Information

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IPC IPC(8): C10C1/08C10C1/00C07C37/68
Inventor 周仁福周强王韵涵
Owner 周仁福
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