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Regeneratable biological diesel oil and its preparing method

A biodiesel and vegetable oil technology, applied in the preparation of liquid hydrocarbon mixtures, biological raw materials, biofuels, etc., can solve the problems of complex production and synthesis processes, long process routes, large equipment investment, etc. The effect of wear and tear of parts and low emissions

Inactive Publication Date: 2009-09-30
杨如平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are also methods for preparing biodiesel from waste animal and vegetable oils, but it usually requires complex production and synthesis processes, long process routes, large equipment investment, and high costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Take 20kg of waste edible animal oil, 15kg of waste edible vegetable oil and 10kg of vegetable oil, mix them, heat to 240°C, add phosphoric acid for treatment, remove phospholipids therein, and obtain oil;

[0028] Using n-butyl titanate as a catalyst, the above-mentioned oil and n-butanol are esterified to obtain fatty acid esters;

[0029] Cool the fatty acid lipid to 150°C, distill the fatty acid lipid under reduced pressure at a vacuum of 0.10 MPa for 5 hours, and cool the distillate to room temperature.

[0030] The performance index of the diesel oil prepared by the method described in this example is the same as that of the 0# diesel oil described in the Chinese national standard GB252-1994, see Table 1 below.

[0031] Table 1 The present invention and the performance contrast of national standard diesel oil

[0032] Performance

Embodiment 2

[0034] Take 20 kg of waste edible animal oil, 15 kg of waste edible vegetable oil and 10 kg of vegetable oil, mix them, heat to 200° C., add phosphoric acid for treatment, remove phospholipids therein, and obtain oil;

[0035] Using n-butyl titanate as a catalyst, the above-mentioned obtained oil and n-hexanol are subjected to esterification reaction to obtain fatty acid ester;

[0036] Cool the fatty acid lipid to 120°C, distill the fatty acid lipid under reduced pressure at a vacuum of 0.08MPa for 2 hours, and cool the distillate to room temperature.

[0037] The performance index of the diesel oil prepared by the method described in this example is the same as that of the diesel oil described in the German national standard DIN51601:1997, see Table 2 below.

[0038] Table 2 The present invention and the performance contrast of German standard

[0039] Performance

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PUM

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Abstract

The present invention discloses a kind of regenerable biological diesel oil and its preparation process. The regenerable biological diesel oil is prepared with animal oil and vegetable oil, including waste animal oil and vegetable oil as material, and through the first treatment with phosphoric acid to eliminate the phospholipid, the subsequent esterification with C4-C6 alcohol, and final decompression distillation. The regenerable biological diesel oil reaches the standard of 0# diesel oil. The preparation process of the present invention is simple and environment friendly, has stable product quality and is suitable for industrial production.

Description

technical field [0001] The invention relates to renewable biodiesel and a preparation method thereof. The preparation method uses waste edible animal and vegetable oils and vegetable oils as raw materials. technical background [0002] At present, energy shortage has become a worldwide problem. In China, with the development of the national economy, the contradiction between energy shortage and energy demand has become increasingly prominent. Among them, the shortage of crude oil and refined oil is the most urgent problem, which leads to the rise of oil prices. The continuous rise of crude oil prices in the international market has driven the rise of crude oil prices and refined oil prices in the domestic market. The price of crude oil and refined oil has less room to fall than expected. [0003] In order to solve the problem of lack of refined oil, people have proposed various solutions: such as using alternative clean energy such as solar energy. Another example is to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G3/00
CPCY02E50/13Y02E50/10Y02P30/20
Inventor 杨如平
Owner 杨如平