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A kind of preparation method of environment-friendly bio-oil and its products

A kind of bio-oil, environment-friendly technology, applied in the field of preparation method of environment-friendly bio-oil and its products, can solve the problems of high water content, strong acidity and instability of bio-oil

Active Publication Date: 2020-05-12
吉林省秸源新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the liquid product bio-oil has the disadvantages of high water content, high oxygen content, high viscosity, strong acidity, low calorific value, and instability, which limit the application of bio-oil as a high-grade liquid fuel. Therefore, how to obtain the desired bio-oil by controlling the reaction conditions The quality of bio-oil required is one of the current research hotspots

Method used

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  • A kind of preparation method of environment-friendly bio-oil and its products
  • A kind of preparation method of environment-friendly bio-oil and its products
  • A kind of preparation method of environment-friendly bio-oil and its products

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preparation example Construction

[0027] In order to solve the above-mentioned technical problems, the first aspect of the present invention provides a kind of preparation method of environment-friendly bio-oil, at least comprises the following steps:

[0028] (1) Biomass raw material pretreatment:

[0029] The biomass raw material is subjected to the cleaning step, the crushing step, and the first drying step in sequence, and then the biomass raw material is soaked in an impregnating solvent for 1 to 10 hours, and then undergoes the second drying step again to obtain a pretreated biomass raw material ;

[0030] (2) Preparation of bio-oil:

[0031] The pretreated biomass raw material and catalyst obtained in step (1) are transported to the reactor according to a certain weight ratio, and under the protection of nitrogen, a thermal cracking reaction is carried out. The temperature of the thermal cracking reaction is 250-500°C The reaction time is 4-15 hours. The obtained pyrolysis gas enters the cyclone separ...

Embodiment 1

[0080] This embodiment 1 provides an environment-friendly bio-oil, the preparation method of the environment-friendly bio-oil at least includes the following steps:

[0081] (1) Biomass raw material pretreatment:

[0082] The biomass raw material is subjected to a cleaning step, a pulverizing step, and a first drying step in sequence, and then the biomass raw material is soaked in an impregnating solvent for 1 hour, and then undergoes a second drying step again to obtain a pretreated biomass raw material;

[0083] The cleaning step is as follows: place the biomass raw material in a cleaning solvent, ultrasonically clean it for 10 minutes, and then wash it three times with clean water to complete the cleaning step.

[0084] The biomass raw material is corn stalks;

[0085] The cleaning solvent includes at least the following components, in parts by weight,

[0086] 100 parts of water;

[0087] 15 parts of sodium bicarbonate;

[0088] 10 parts of cetyltrimethylammonium bromi...

Embodiment 2

[0111] This embodiment 2 provides an environment-friendly bio-oil, the preparation method of the environment-friendly bio-oil at least includes the following steps:

[0112] (1) Biomass raw material pretreatment:

[0113] The biomass raw material is subjected to the cleaning step, the crushing step, and the first drying step in sequence, and then the biomass raw material is soaked in an impregnating solvent for 10 hours, and then undergoes the second drying step again to obtain the pretreated biomass raw material;

[0114] The biomass raw material is corn stalks;

[0115] The cleaning step is as follows: place the biomass raw material in a cleaning solvent, ultrasonically clean it for 10 minutes, and then wash it three times with clean water to complete the cleaning step.

[0116] The cleaning solvent includes at least the following components, in parts by weight,

[0117] 100 parts of water;

[0118] 15 parts of sodium bicarbonate;

[0119] 10 parts of cetyltrimethylammon...

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Abstract

The invention relates to the technical field of preparation of bio-oil, and more particularly, the invention relates to a preparation method of the environmentally friendly bio-oil. The preparation method of the environmentally friendly bio-oil at least comprises the following steps: (1) pretreating a biomass material: sequentially conducting cleaning, pulverizing and primarily drying on the biomass material, then soaking the biomass material in an impregnating solvent for 1-10 hours, then conducting secondarily drying to obtain the pretreated biomass material; and (2) preparing the bio-oil: conveying the pretreated biomass material obtained in the step (1) and a catalyst into a reaction kettle at the certain weight ratio, conducting a thermal cracking reaction under the protection of nitrogen, wherein the temperature for the thermal cracking reaction is 250-500 DEG C, and the time of the thermal cracking reaction is 4-15 hours; and enabling the thermal cracking gas to enter a cycloneseparator, after separating out a solid, obtaining steam, leading the steam into a condenser to obtain a liquid, leading the liquid into an oil water separator to separate oil from water, thereby obtaining the bio-oil.

Description

technical field [0001] The invention relates to the technical field of bio-oil preparation, more specifically, the invention relates to a preparation method of environment-friendly bio-oil and products thereof. Background technique [0002] With the progress of society, energy and environmental issues have become the focus of attention in the world today. At present, in order to protect their own mineral resources and prevent the pollution of their environment caused by the massive consumption of fossil energy, all countries in the world are working hard to develop efficient utilization technologies of biomass energy. Biomass conversion technology can efficiently utilize biomass energy. Through conversion, biomass energy can be converted into various clean and efficient energy sources and various chemical products, which can greatly reduce human consumption of fossil energy. Biomass rapid pyrolysis liquefaction technology can convert low-quality biomass into high-quality li...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B53/02C10B57/10C10G1/00C11D1/62C11D3/10
CPCC10B53/02C10B57/10C10G1/00C10G2300/1014C11D1/62C11D3/10Y02E50/10
Inventor 王凯陈淑崇
Owner 吉林省秸源新能源科技有限公司