Biodiesel and preparation method thereof

A technology of biodiesel and oleic acid, applied in the field of fuel oil, can solve the problems of insufficient clarity, insufficient mutual solubility, low cetane number, etc.

Inactive Publication Date: 2014-01-15
东莞恒量新能源科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] 2. Problems with low flash point and low cetane number of methanol diesel
[0011] 3. Emulsification and delamination of methanol diesel and water
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Method used

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  • Biodiesel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] To prepare a high-clean biodiesel 1, the conventional 0# diesel is designed to account for 30% by weight in biodiesel, and methanol-based fuel oil accounts for 62.9%. Measure 480g of methanol, 400g of oleic acid and 420g of conventional 0# diesel oil (purchased from Sinopec). The additive formula includes the following components and contents:

[0063] Span-80 emulsifier 18g, OP-10 emulsifier 6g;

[0064] 20g of pH buffering agent, including 11g of sodium petroleum sulfonate and 9g of barium petroleum sulfonate;

[0065] Isobutanol 21g;

[0066] Tricresyl phosphate 11g;

[0067] Toluene 13g;

[0068] Isooctyl nitrate 8g;

[0069] The auxiliary emulsifying dispersant is combined with 1.0g of dimethyl succinate and 1.0g of T161A product of polyisobutylene derivative series;

[0070] Antioxidants were selected from N-phenyl-α-naphthylamine (T531) and 0.5 g each of 2,6-di-tert-butyl-α-dimethylamino-p-cresol.

[0071] The above-mentioned raw materials are 100g in total...

Embodiment 2

[0082] Another kind of biodiesel is prepared, and conventional diesel is designed to account for 70% by weight of biodiesel, and methanol-based fuel accounts for 27.6%. Measure 738.0g of methanol and 2075g of conventional 0# diesel oil, 82.0g of oleic acid, and change the composition of additives to:

[0083] Span-80 emulsifier 16g, Tween-60 emulsifier 8g;

[0084] pH buffering agent 18g, of which sodium petroleum sulfonate 10.0g, barium petroleum sulfonate 8.0g;

[0085] Isobutanol 30g;

[0086] Tricresyl phosphate 9.95g;

[0087] 13g of tert-butyl methyl ether;

[0088] Isooctyl nitrate 4g;

[0089] The auxiliary emulsifying dispersant is combined with 0.35g of diethyl succinate and 0.35g of T161A product of polyisobutylene derivative series;

[0090] The antioxidant is 0.35 g of N-phenyl-α-naphthylamine (T531).

[0091]The preparation process is similar to Example 1. The prepared biodiesel is a dark yellow transparent liquid biodiesel 2, and its specific parameters a...

Embodiment 3

[0093] To prepare another biodiesel, the conventional diesel is designed to account for 40% by weight in the biodiesel, and the amount of methanol-based fuel added is 54%. Measure 60g of methanol and 400g of conventional 0# diesel oil, 480g of oleic acid, and change the additive components for:

[0094] 20 parts by weight of emulsifier, wherein 15 parts by weight of SP-80 emulsifier, 5 parts by weight of OP-10 emulsifier;

[0095] 21 parts by weight of pH buffering agent, including 11 parts by weight of sodium petroleum sulfonate and 10 parts by weight of barium petroleum sulfonate;

[0096] Tricresyl phosphate, 10 parts by weight;

[0097] Isooctyl nitrate, 6 parts by weight;

[0098] As an emulsifying dispersant, 1.0 parts by weight of dimethyl succinate and 1.0 parts by weight of T161A (polyisobutenyl succinimide) products of the polyisobutylene derivative series are combined;

[0099] Antioxidant, use N-phenyl-α-naphthylamine (T531) and 2,6-di-tert-butyl α-dimethylamino...

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Abstract

The invention discloses a biodiesel and a preparation method thereof. The biodiesel comprises a methanol-based fuel, an additive, and common fossil diesel. The additive is prepared from a pH value buffering pair composed of sodium petroleum sulfonate and barium petroleum sulfonate, isobutanol, tricresyl phosphate, dimethyl carbonate, an organic solvent, isooctyl nitrate, co-emulsifying dispersing agent and an antioxidant according to a certain process method. The biodiesel prepared with the method provided by the invention has the advantages of high cetane number, high flash point, low corrosion, low emission, and low cost. The biodiesel can be used for replacing common diesel in the fields such as boilers, vehicles and vessels. The biodiesel has substantial energy-saving and emission-reducing effects.

Description

technical field [0001] The invention relates to the technical field of fuel oil, in particular to a combined formula for preparing biodiesel by using methanol, oleic acid, conventional fossil diesel and additives and a preparation method thereof. Background technique [0002] my country is short of oil and gas, relatively rich in coal resources, and has a wide source of coal-based alcohol ether fuels. Using superior alcohol ether resources to replace or mix petroleum resources is a rich and mature industrial raw material, comprehensive utilization of resources, beneficial to the ecological environment, and broad market demand. Projects that are conducive to adjusting industrial structure and promoting sustainable economic development can also drive the development of related industries such as energy, chemicals, and automobiles, and create new economic growth points. [0003] The blending technology of conventional gasoline and diesel oil is relatively mature. For example, by...

Claims

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Application Information

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IPC IPC(8): C10L1/02C10L1/19C10L1/185C10L1/24C10L1/182C10L1/26C10L1/16C10L1/23C10L1/223C10L1/04C10L1/224C10L1/30C10L1/197C10L1/232
CPCY02E50/13Y02E50/10
Inventor 刘粤荣陈方
Owner 东莞恒量新能源科技有限公司
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