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Biodiesel pour point depressant composition as well as preparation and application thereof

A technology of biodiesel and pour point depressant, which is used in the petroleum industry, fuel additives, liquid carbon-containing fuels, etc., can solve the problems of insignificant pour point depressant effect, poor biodiesel susceptibility, and low production cost, and achieve enhanced pour point depressant effect. , easy to operate, obvious effect

Active Publication Date: 2020-09-18
SHANGHAI INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a biodiesel pour point depressant composition and its preparation and application to solve the problems of poor susceptibility to biodiesel and inconspicuous pour point depressant effect. The composition can change the crystallization of biodiesel Behavior, the growth and aggregation of crystals are effectively inhibited, and it has the advantages of small dosage, low production cost, and convenient operation. It is a reliable way to improve the low-temperature performance of biodiesel.

Method used

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  • Biodiesel pour point depressant composition as well as preparation and application thereof
  • Biodiesel pour point depressant composition as well as preparation and application thereof
  • Biodiesel pour point depressant composition as well as preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The pour point depressant composition of a kind of biodiesel is formed by mixing polytetradecyl methacrylate-acrylamide, Tween 60, dibutyl phthalate and polypropylene glycol (400), calculated by mass percentage, its The composition and content of raw materials are as follows:

[0042]

[0043] The application of the above-mentioned point-point depressant composition of biodiesel in biodiesel point-point depressant, the point-point depressant composition of biodiesel: the ratio of biodiesel, calculated by mass ratio, is preferably 1:200, and the point-point depressant of biodiesel The additive composition is added into biodiesel at a temperature of 40° C., mixed and stirred evenly, and ultrasonically dispersed for 25 minutes to obtain biodiesel containing the biodiesel pour point depressant composition.

[0044] The condensation point and the cold filter point of the biodiesel obtained in Example 1 containing the biodiesel pour point depressant composition were lowere...

Embodiment 2

[0046] The pour point depressant composition of a kind of biodiesel is formed by mixing polytetradecyl methacrylate-acrylamide, Tween 60, dibutyl phthalate and polypropylene glycol (400), calculated by mass percentage, its The composition and content of raw materials are as follows:

[0047]

[0048] The application of the above-mentioned point-point depressant composition of biodiesel in biodiesel point-point depressant, the point-point depressant composition of biodiesel: the ratio of biodiesel, calculated by mass ratio, is preferably 1:200, and the point-point depressant of biodiesel The additive composition is added into biodiesel at a temperature of 40° C., mixed and stirred evenly, and ultrasonically dispersed for 25 minutes to obtain biodiesel containing the biodiesel pour point depressant composition.

[0049] The condensation point and the cold filter point of the commercially available biodiesel containing the biodiesel pour point depressant composition obtained i...

Embodiment 3

[0051] The pour point depressant composition of a kind of biodiesel is formed by mixing polytetradecyl methacrylate-acrylamide, Tween 60, dibutyl phthalate and polypropylene glycol (400), calculated by mass percentage, its The composition and content of raw materials are as follows:

[0052]

[0053] The application of the above-mentioned point-point depressant composition of biodiesel in biodiesel point-point depressant, the point-point depressant composition of biodiesel: the ratio of biodiesel, calculated by mass ratio, is preferably 1:200, and the point-point depressant of biodiesel The additive composition is added into biodiesel at a temperature of 40° C., mixed and stirred evenly, and ultrasonically dispersed for 25 minutes to obtain biodiesel containing the biodiesel pour point depressant composition.

[0054] The condensation point and the cold filter point of the commercially available biodiesel containing the biodiesel pour point depressant composition obtained i...

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Abstract

The invention relates to a biodiesel pour point depressant composition as well as preparation and application thereof. The pour point depressant composition is prepared from the following components in percentage by weight: 40 to 60% of polytetradecyl methacrylate-acrylamide, 10 to 30% of Tween 60, 10 to 20% of dibutyl phthalate and 10 to 30 percent of polypropylene glycol. The growth and aggregation of crystals can be effectively inhibited by changing the crystallization behavior of biodiesel by the biodiesel pour point depressant composition, and the low-temperature performance of the biodiesel is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of diesel oil pour point depressant, and relates to a biodiesel pour point depressant composition and its preparation and application. Background technique [0002] Biodiesel is a biomass fuel produced from unprocessed or used vegetable oils and animal fats through different chemical reactions. Compared with ordinary petrochemical diesel, biodiesel has many advantages. For example, the raw material for preparing biodiesel is renewable raw material oil, which can effectively alleviate the oil crisis; at the same time, it has good degradability, non-toxicity, and contains sulfur after combustion. The amount is low, which is an environmentally friendly energy source. However, because biodiesel is easy to crystallize and block pipelines under low temperature conditions, it will affect the normal operation of the engine and reduce the practicability in cold weather conditions. Therefore, in the application of b...

Claims

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Application Information

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IPC IPC(8): C10L1/14C10L10/14C10L1/19C10L1/198C10L1/238
CPCC10L1/143C10L10/14C10L1/2381C10L1/19C10L1/1905C10L1/1985
Inventor 蔺华林袁铭霞殷素雅李欣苏保婷杨太顺吴俊杰薛原韩生
Owner SHANGHAI INSTITUTE OF TECHNOLOGY
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