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A kind of solid base forming catalyst for biodiesel

A technology of biodiesel and solid base, applied in physical/chemical process catalysts, biofuels, fatty acid esterification, etc., can solve the problems of high energy consumption and high equipment requirements, and achieve high-efficiency catalytic reactions, good catalytic performance, and low The effect of production costs

Inactive Publication Date: 2018-06-22
DINGTAO DIYUAN BIOCHEM PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the supercritical reaction is carried out under high temperature and high pressure conditions, the reaction requires high equipment and consumes a lot of energy.

Method used

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  • A kind of solid base forming catalyst for biodiesel

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of solid base forming catalyst for biodiesel is prepared by the following steps:

[0029] 1) Grind paper-making sludge ash, pass through a 50-mesh sieve, and activate at 550°C for 0.5 hours to obtain activated paper-making sludge ash;

[0030] The papermaking sludge ash is the powder obtained by incinerating papermaking sludge at 600°C;

[0031] 2) Add the activated papermaking sludge ash to the sodium metasilicate solution with a concentration of 20%, stir evenly, soak for 8 hours, squeeze to remove water, and obtain the initial material;

[0032] The mass ratio of the activated papermaking sludge ash and sodium metasilicate is 1:1;

[0033] 3) Add the initial material to the sodium metasilicate solution with a concentration of 30%, stir evenly, and soak for 10 hours to obtain the impregnating material;

[0034] The mass ratio of described starting material and sodium metasilicate is 2.5:1;

[0035] 4) Add clay to the impregnating material, mix evenly, extrud...

Embodiment 2

[0038] A kind of solid base forming catalyst for biodiesel is prepared by the following steps:

[0039] 1) Grind paper-making sludge ash, pass through a 50-mesh sieve, and activate at 520°C for 1 hour to obtain activated paper-making sludge ash;

[0040] The papermaking sludge ash is the powder obtained by incinerating papermaking sludge at 650°C;

[0041] 2) Add the activated papermaking sludge ash to the sodium metasilicate solution with a concentration of 23%, stir evenly, soak for 7 hours, squeeze to remove water, and obtain the primary material;

[0042] The mass ratio of the activated papermaking sludge ash to sodium metasilicate is 1.5:1;

[0043] 3) Add the initial material to the sodium metasilicate solution with a concentration of 33%, stir evenly, and soak for 9 hours to obtain the impregnating material;

[0044] The mass ratio of described starting material and sodium metasilicate is 2:1;

[0045] 4) Add clay to the impregnating material, mix evenly, extrude, dr...

Embodiment 3

[0048] A kind of solid base forming catalyst for biodiesel is prepared by the following steps:

[0049] 1) Grind paper-making sludge ash, pass through a 50-mesh sieve, and activate at 500°C for 1 hour to obtain activated paper-making sludge ash;

[0050] The papermaking sludge ash is the powder obtained by incinerating papermaking sludge at 700°C;

[0051] 2) Add the activated papermaking sludge ash to the sodium metasilicate solution with a concentration of 25%, stir evenly, soak for 6 hours, squeeze to remove water, and obtain the primary material;

[0052] The mass ratio of the activated papermaking sludge ash to sodium metasilicate is 1.5:1;

[0053] 3) Add the initial material to the sodium metasilicate solution with a concentration of 35%, stir evenly, and soak for 8 hours to obtain the impregnating material;

[0054] The mass ratio of described starting material and sodium metasilicate is 2:1;

[0055] 4) Add clay to the impregnating material, mix evenly, extrude, dr...

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Abstract

The invention discloses a solid alkali preformed catalyst for biodiesel. The solid alkali preformed catalyst is prepared in the way that papermaking sewage sludge ash is ground, sieved, activated under high temperature and then added to a sodium metasilicate solution, uniform stirring, impregnation and extrusion for anhydration are conducted, then the product is added to a sodium metasilicate solution, and uniform stirring and impregnation are conducted to obtain an impregnation material; clay is added to the impregnation material, and uniform mixing, extrusion forming, drying to a constant weight and calcination are conducted to obtain the solid alkali preformed catalyst for biodiesel. The solid alkali preformed catalyst for biodiesel is high in catalysis activity, the yield of biodiesel is increased, recycle of the waste resource papermaking sewage sludge is achieved, production cost is reduced, and application prospects are broad.

Description

technical field [0001] The invention belongs to the technical field of catalysts, in particular to a solid base shaped catalyst for biodiesel. Background technique [0002] As a high-quality and clean fuel, biodiesel is a kind of biomass energy. Compared with petrochemical diesel, it has the advantages of no sulfur and aromatics, high cetane number, biodegradability, and low environmental hazards. One of the most popular alternative energy sources of petroleum has become an important development direction to solve today's sustainable energy problems. The development of biodiesel industry is beneficial to the country and the people, and is conducive to the harmonious, stable and sustainable development of the society. [0003] Biodiesel production technologies mainly include heterogeneous catalysis, supercritical reaction, enzyme catalysis, homogeneous catalysis, etc. The heterogeneous catalysis method has many advantages such as easy separation of products, simple purifica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J21/16C11C3/10
CPCB01J21/16C11C3/10Y02E50/10
Inventor 许累峰
Owner DINGTAO DIYUAN BIOCHEM PROD CO LTD
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