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Method for treating waste active bleaching clay generated in edible oil generating process

A production process and technology of bleaching earth, applied in the combustion method, combustion type, incinerator, etc., can solve the problem of active bleaching earth occupying land resources, etc., and achieve the effect of avoiding pollution and occupying land resources, reducing consumption, and saving transportation.

Inactive Publication Date: 2016-02-10
马井芳
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  • Summary
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  • Description
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AI Technical Summary

Problems solved by technology

Another purpose of the present invention is to solve the above-mentioned waste activated bleaching earth occupying a certain problem of land resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Embodiment 1: ① 550 kilograms of waste activated bleaching earth; ② 350 kilograms of boiler grate ash or fine bituminous coal; ③ 100 kilograms of water, after conventional mixing, they are extruded into coal sticks or briquettes. After mixing 500 kg of formed coal sticks or briquettes with 500 kg of boiler bituminous coal (both by weight percentage), they are put into the boiler for combustion, and satisfactory results can be obtained.

Embodiment 2

[0010] Embodiment 2: ① 600 kilograms of waste activated bleaching earth; ② 300 kilograms of boiler grate ash or fine bituminous coal; ③ 100 kilograms of water, after conventional mixing, they are extruded into coal sticks or briquettes. After mixing 500 kg of formed coal sticks or briquettes with 500 kg of boiler bituminous coal (both by weight percentage), they are put into the boiler for combustion, and satisfactory results can be obtained.

Embodiment 3

[0011] Embodiment 3: ① 650 kilograms of waste activated bleaching earth; ② 250 kilograms of boiler grate ash or fine bituminous coal; ③ 100 kilograms of water, after conventional mixing, they are extruded into coal sticks or briquettes. After mixing 500 kg of formed coal sticks or briquettes with 500 kg of boiler bituminous coal (both by weight percentage), they are put into the boiler for combustion, and satisfactory results can be obtained.

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Abstract

The invention relates to a method for treating waste active bleaching clay generated in the edible oil generating process. The method is characterized in that firstly, by weight, 55-65% of the waste active bleaching clay turning dun is mixed with 35-25% of screened fine soft coal or stove ash falling off from a fire grate of a boiler and 10% of water; secondly, the mixture is extruded into coal sticks or coal balls through a conventional coal stick extruding machine or other conventional extruding forming machines; finally, by weight, 30-50% of the coal sticks or the coal balls and 50-70% of soft coal are mixed and then put into the boiler to serve as fuel for combustion.

Description

technical field [0001] The invention relates to a method for treating waste activated bleaching earth produced in the production process of edible oil. Background technique [0002] In the refining process of degumming and deacidification of crude oil, edible oil factories often use a decolorizing agent commonly known as "activated bleaching earth" (chemical formula: H 2 AL 2 (SiO 2 ) 4 ·NH 2 O) the solid powder is adsorbed and filtered to remove pigment and sundries in the crude oil, reduce the color of the edible oil, improve the purity of the edible oil, and make the pure product reach the national standard of "salad oil". [0003] In the process of adsorption and filtration, "activated bleaching earth" fully absorbs pigments and filters grease. After it absorbs the sundries, it must be replaced and replaced with a new "activated bleaching earth", and the used "activated bleaching earth" (also referred to as "waste bleaching earth" has actually turned dark brown, so ...

Claims

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Application Information

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IPC IPC(8): F23G7/00
Inventor 马井芳
Owner 马井芳
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