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Method of preparing bio-fuel oil from waste biomass

A technology of waste biomass and fuel oil, applied in fuel, liquid carbon-containing fuel, petroleum industry, etc., can solve the problem of high COD content, achieve cost saving, alleviate energy crisis, and reduce air pollution

Inactive Publication Date: 2016-12-21
陈永林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] How to reuse the waste biomass has become the focus of research. The common method is to carry out thermal hydrolysis treatment, and apply the treated bio-crude oil to prepare biofuel oil. However, there are many nutrients in the by-product water phase. COD content is also high and requires further treatment before discharge

Method used

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Examples

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Effect test

Embodiment 1

[0027] A method for preparing biofuel oil from waste biomass, comprising the steps of:

[0028] (1) Adjust the water content of the waste biomass to 60%, then transfer it to the reactor, stir at 500rpm for 60min, then heat the reactor to 300°C, and carry out the thermal hydrolysis reaction for 180min;

[0029] (2) After the thermal hydrolysis reaction is finished, the reactor is cooled to room temperature, first collect the gas in the reactor, then open the reactor, collect the remaining mixture in the reactor, and filter to obtain biological crude oil and water phase;

[0030] (3) Add the mixed solution of dichloromethane / ethanol to the biological crude oil obtained in step (2) for extraction, the obtained extract is concentrated to 40-50% through vacuum distillation, and anhydrous ether is added to obtain ether soluble matter and ether-insoluble matter, ether-soluble matter is firstly distilled out of ether at normal pressure for recycling, and then distilled out of water un...

Embodiment 2

[0035] A method for preparing biofuel oil from waste biomass, comprising the steps of:

[0036] (1) Adjust the water content of the waste biomass to 80%, then transfer it to the reactor, stir at 1000rpm for 30min, then heat the reactor to 500°C, and carry out the thermal hydrolysis reaction for 50min;

[0037] (2) After the thermal hydrolysis reaction is finished, the reactor is cooled to room temperature, first collect the gas in the reactor, then open the reactor, collect the remaining mixture in the reactor, and filter to obtain biological crude oil and water phase;

[0038] (3) Add the mixed solution of dichloromethane / ethanol to the biological crude oil obtained in step (2) for extraction, the obtained extract is concentrated to 40-50% through vacuum distillation, and anhydrous ether is added to obtain ether soluble matter and ether-insoluble matter, ether-soluble matter is firstly distilled out of ether at normal pressure for recycling, and then distilled out of water un...

Embodiment 3

[0043] A method for preparing biofuel oil from waste biomass, comprising the steps of:

[0044] (1) Adjust the water content of the waste biomass to 65%, then transfer it to the reactor, stir at 600rpm for 40min, then heat the reactor to 350°C, and carry out the thermal hydrolysis reaction for 90min;

[0045] (2) After the thermal hydrolysis reaction is finished, the reactor is cooled to room temperature, first collect the gas in the reactor, then open the reactor, collect the remaining mixture in the reactor, and filter to obtain biological crude oil and water phase;

[0046] (3) Add the mixed solution of dichloromethane / ethanol to the biological crude oil obtained in step (2) for extraction, the obtained extract is concentrated to 40-50% through vacuum distillation, and anhydrous ether is added to obtain ether soluble matter and ether-insoluble matter, ether-soluble matter is firstly distilled out of ether at normal pressure for recycling, and then distilled out of water under...

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Abstract

The invention discloses a method of preparing bio-fuel oil from waste biomass. The method includes the steps of: firstly performing thermo-hydrolysis to the waste biomass and filtering a thermo-hydrolyzed product to obtain bio-crude oil and a water phase; refining the bio-crude oil, and mixing the refined oil with diesel oil, a solvent, mixed ester and an oil-soluble organic metal salt to obtain the bio-fuel oil; and treating the water phase through anaerobic fermentation or supercritical water gasification technology to obtain hydrogen and methane. The method effectively solves environment pollution due to biomass waste gas and alleviates energy crisis, turns waste into resources and saves cost. The bio-fuel oil has no adverse effect on parts in automobile engines and is convenient to use. Through the anaerobic fermentation or supercritical water gasification technology for treating the separated water phase, harmless treatment on the water phase is achieved, which is beneficial to environment protection.

Description

Technical field: [0001] The invention relates to biomass energy utilization technology, in particular to a method for preparing biofuel oil from waste biomass. Background technique: [0002] Biomass refers to any renewable or recyclable organic matter, including all animals, plants and microorganisms, as well as all organic matter excreted and metabolized by these living organisms. Biomass energy refers to a form of energy that stores solar energy in the form of chemical energy in biomass directly or indirectly through photosynthesis of plants. Biomass energy that can be used as energy is collectively referred to as biomass energy. Biomass is a renewable, abundant and relatively environmentally friendly energy source. Compared with traditional fossil energy, biomass energy has many advantages: (1) Renewable and large output; (2) The content of nitrogen and sulfur elements is low, and it hardly produces gases that can form acid rain like SO2; The CO2 produced during process...

Claims

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Application Information

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IPC IPC(8): C10L1/02C10L1/183C10L1/192C10L1/30
CPCC10L1/02C10L1/183C10L1/192C10L1/301C10L2200/0469C10L2290/02C10L2290/08C10L2290/24
Inventor 陈永林
Owner 陈永林
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