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Biodiesel pour point depressant formula

A technology of biodiesel and pour point depressant, applied in the field of biodiesel pour point depressant, additives for reducing the freezing point and cold filtration point of biodiesel, can solve the problems of poor low temperature fluidity, easy blockage of diesel engine pipes and filters, etc. The effect is obvious, the low temperature flow performance is improved, and the preparation method is simple.

Inactive Publication Date: 2015-03-25
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, low-temperature fluidity is one of the performance indicators of diesel. The main component of biodiesel is mixed fatty acid methyl esters. The low-temperature fluidity is worse than that of petrochemical diesel. It is easy to block diesel engine pipes and filters when used in cold winter, which limits its use. Applications in low temperature areas or under low temperature conditions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A kind of biodiesel pour point depressant formula, its raw material is calculated by mass percentage, and each component and content are as follows:

[0026] Higher Polymaleate-Acrylamide-Styrene 50%

[0027] Surfactant 10%

[0028] Dimer acid amide 40%

[0029] Wherein the above-mentioned higher polymaleic acid ester-acrylamide-styrene is polydodecyl maleate-acrylamide-styrene, polyhexadecyl maleate-acrylamide-styrene and polymaleic acid 20 Ester-acrylamide-styrene mixture.

[0030] The above surfactant is Tween 60.

[0031] The preparation method of above-mentioned biodiesel pour point depressant formula, the steps are as follows:

[0032] First add polymaleic acid higher ester-acrylamide-styrene, then add surfactant in turn, and finally add dimer acid amide to the prescription amount, stir and mix thoroughly to obtain a compound product that is the biodiesel pour point depressant formula.

[0033] The application of the above-mentioned biodiesel pour point depre...

Embodiment 2

[0036] A kind of biodiesel pour point depressant formula, its raw material is calculated by mass percentage, and each component and content are as follows:

[0037] Higher Polymaleate-Acrylamide-Styrene 70%

[0038] Surfactant 15%

[0039] Dimer acid amide 15%

[0040] Wherein the above-mentioned higher polymaleic acid ester-acrylamide-styrene is a mixture of polyhexadecyl maleate-acrylamide-styrene and polyoctadecyl maleate-acrylamide-styrene.

[0041] The above surfactant is prepared by mixing Tween 60 and Tween 80 in a mass ratio of 1:1.

[0042] The preparation method of above-mentioned biodiesel pour point depressant formula, the steps are as follows:

[0043] First add polymaleic acid higher ester-acrylamide-styrene, then add surfactant in turn, and finally add dimer acid amide to the prescription amount, stir and mix thoroughly to obtain a compound product that is the biodiesel pour point depressant formula.

[0044] The application of the above-mentioned biodiesel ...

Embodiment 3

[0047] A kind of biodiesel pour point depressant formula, its raw material is calculated by mass percentage, and each component and content are as follows:

[0048]Higher Polymaleate-Acrylamide-Styrene 65%

[0049] Surfactant 11%

[0050] Dimer acid amide 24%

[0051] Wherein the above-mentioned higher polymaleate-acrylamide-styrene is a mixture of polytetradecylmaleate-acrylamide-styrene and polyeicosylmaleate-acrylamide-styrene.

[0052] The above surfactant is prepared by mixing Tween 60 and Span 80 at a mass ratio of 1:1.

[0053] The preparation method of above-mentioned biodiesel pour point depressant formula, the steps are as follows:

[0054] First add polymaleic acid higher ester-acrylamide-styrene, then add surfactant in turn, and finally add dimer acid amide to the prescription amount, stir and mix thoroughly to obtain a compound product that is the biodiesel pour point depressant formula.

[0055] The application of the above-mentioned biodiesel pour point depr...

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Abstract

The invention discloses a biodiesel pour point depressant, belonging to the field of oil additives. The biodiesel pour point depressant is prepared from the following raw materials in percentage by mass: 50-70% of higher polymaleate-styrene-acrylamide, 10-15% of a surfactant and 15-40% of dimeric acid amide. A preparation method of the biodiesel pour point depressant comprises the following steps: firstly, adding higher polymaleate-styrene-acrylamide; then, adding the surfactant span and tween in sequence; and finally, adding dimeric acid amide to formulated amount, and sufficiently stirring and mixing to obtain a compound product, namely the biodiesel pour point depressant. The biodiesel pour point depressant disclosed by the invention can be used for promoting the solubility of the pour point depressant in oils and improving the low-temperature flowing property of the biodiesel.

Description

technical field [0001] The invention belongs to the field of energy and chemical industry, and relates to a biodiesel pour point depressant, in particular to an additive for reducing the freezing point and cold filter point of biodiesel. Background technique [0002] With the changes in the world's energy structure and the improvement of environmental protection requirements, problems such as shortage of oil resources, environmental pollution and greenhouse effect need to be solved urgently. At present, many national research institutions are actively researching and developing green energy that is environmentally friendly and can be widely used. Diesel has been highly valued in recent years. [0003] Using oil crops, wild oil plants, engineering microalgae and other aquatic vegetable oils, animal oils, and waste cooking oils as raw materials, the fatty acid methyl or ethyl ester fuel obtained through the transesterification process is biodiesel. As a substitute for diesel,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/10C10L1/224
Inventor 汪树军郑万刚刘红研孟凡宾汪泽李婷段周鹏
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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