Method for improving oxidation stability of biomass crude oil

A biomass crude oil, oxidation stability technology, applied in the petroleum industry, liquid carbon-containing fuels, fuel additives, etc. Add simple, easy-to-use effects

Inactive Publication Date: 2013-06-12
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still no promotion and application of anti-oxidation methods for biomass crude oil.

Method used

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  • Method for improving oxidation stability of biomass crude oil
  • Method for improving oxidation stability of biomass crude oil
  • Method for improving oxidation stability of biomass crude oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] In a beaker, stir and dissolve the thioether compound in ethanol at 20°C to form a solution containing 30% by weight of the thioether compound, then add the solution to the biomass crude oil, and stir at 20°C for 10min , and finally pre-filtered. Put the filtered 350ml sample into an oxidation tube, feed oxygen at a rate of 50ml / min, oxidize at 40°C for 4h, then cool the oxidized sample to room temperature, and filter to obtain filterable insolubles. Use absolute ethanol to wash the adhesive insoluble matter from the wall of the oxidation tube and the oxygen pipe, and evaporate the absolute ethanol to obtain the adhesive insoluble matter. The sum of the amount of filterable insoluble matter and the amount of adhesive insoluble matter is the amount of total insoluble matter, expressed in mg / 100ml.

[0026] The antioxidant effect of antioxidant in the present embodiment sees the following table:

[0027]

Embodiment 2

[0029] In a beaker, dissolve the thioether compound in the biomass crude oil while stirring at 20° C. to form a masterbatch of 50% by weight of the thioether compound, and then add the masterbatch to the biomass crude oil, Stir at 25°C for 20 min, and finally pre-filter. Put the filtered 350ml sample into an oxidation tube, feed oxygen at a rate of 50ml / min, and oxidize at 95°C for 4 hours, then cool the oxidized sample to room temperature, and filter to obtain filterable insolubles. Use absolute ethanol to wash the adhesive insoluble matter from the wall of the oxidation tube and the oxygen pipe, and evaporate the absolute ethanol to obtain the adhesive insoluble matter. The sum of the amount of filterable insoluble matter and the amount of adhesive insoluble matter is the amount of total insoluble matter, expressed in mg / 100ml.

[0030] The antioxidant effect of antioxidant in the present embodiment sees the following table:

[0031]

Embodiment 3

[0033] In a beaker, dissolve the thioether compound in the biomass crude oil while stirring at 20° C. to form a masterbatch of 40% by weight of the thioether compound, and then add the masterbatch to the biomass crude oil, Stir at 25°C for 15 min, and finally pre-filter. Put the filtered 350ml sample into an oxidation tube, feed oxygen at a rate of 50ml / min, and oxidize at 95°C for 4 hours, then cool the oxidized sample to room temperature, and filter to obtain filterable insolubles. Use absolute ethanol to wash the adhesive insoluble matter from the wall of the oxidation tube and the oxygen pipe, and evaporate the absolute ethanol to obtain the adhesive insoluble matter. The sum of the amount of filterable insoluble matter and the amount of adhesive insoluble matter is the amount of total insoluble matter, expressed in mg / 100ml.

[0034] The antioxidant effect of antioxidant in the present embodiment sees the following table:

[0035]

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Abstract

The invention discloses a method for improving oxidation stability of biomass crude oil. One or more thioether compounds are added into biomass crude oil, and the addition of the thioether compounds in the biomass crude oil per 1kg is 10-20,000mg on the basis of the biomass crude oil. By adding the thioether compounds into the biomass crude oil, the purity of the biomass crude oil is improved, and the method is simple and has convenient operation.

Description

technical field [0001] The invention relates to the field of biomass crude oil, in particular to a method for improving the oxidation stability of biomass crude oil. Background technique [0002] With the rapid development of the world economy, the rapid expansion of population size and the continuous increase of per capita resource consumption, the world's energy shortage is becoming more and more serious. At the same time, the problem of environmental pollution and destruction caused by traditional energy is becoming more and more serious. Therefore, people have shown strong interest in biomass energy in recent years. Biomass is the most common renewable clean energy on the earth, with the advantages of high volatile components, high carbon activity, low sulfur content, low ash content [Dinesh Mohan, Charles U.Pittman, Jr. and Philip H. Steele. Pyrolysis of Wood / Biomass for Bio-oil: A Critical Review [J], Energy & Fuels 2006, 20, 848-889.]. Biomass crude oil produced by ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/24C10L10/04
Inventor 胡献国李川徐玉福姜绍通潘丽军
Owner HEFEI UNIV OF TECH
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