Water purification active carbon prepared from vegetal castoff and preparation method thereof

A manufacturing method and technology of waste, applied in the field of water purification activated carbon and its manufacturing, can solve the problems of high cost, low ash content, low cost, etc., and achieve the effect of strong deodorization ability, strong ability and low cost

Active Publication Date: 2008-02-13
邹炎
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the activated carbon used for water purification is mainly coal-based granular carbon and coal-based columnar carbon. Their production processes are mainly divided into direct activation of raw coal granular carbon and Taixi coal activated columnar carbon and crushed carbon. Among them, raw coal is directly activated. The process of granular carbon is raw coal-crushing-screening-carbonization-activation-post-treatment-packaging, which has the advantages of relatively low cost, well-developed carbon mesopores, and good absorption performance of potassium blue, but it also has high ash content and slightly stronger strength. Poor disadvantages; another Taixi coal activated column carbon and crushed carbon process is raw coal-crushing-milling-kneading-forming (extrusion)-carbonization-activation-post-treatment-packaging, which has low ash content and good strength , the micropores are relatively developed, which is suitable for the advantages of conventional water supply advanced treatment, but has the disadvantage of relatively high cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A water-purifying activated carbon manufactured from plant waste, comprising the following raw material components in weight percentages:

[0026] Distiller's grains 80%

[0027] Wood chips 15%

[0028] Potassium hydroxide 5%;

[0029] Its manufacturing method is as follows: after the furfural slag is washed, iron-removed and stone-removed, the furfural slag, sawdust and phosphoric acid are mixed uniformly in sequence according to the above ratio, dried until the water content is ≤30%, and then extruded, carbonized, steamed Activation, pulverization, and final packaging. In the carbonization step, the furnace tail temperature is controlled at 280-300°C, the heating rate is 3-10°C / min, and the volume of the furnace is 4% of the total space of the furnace body. %-10%, the pressure when the charcoal comes out of the furnace is controlled at 30-120pa, and the speed of the carbonization furnace is 40 rpm; the activation step can be a Sleep fixed-bed activation furnace, and...

Embodiment 2

[0031] A water-purifying activated carbon manufactured from plant waste, comprising the following raw material components in weight percentages:

[0032] Tapioca residue 84%

[0033] Bamboo Chips 15%

[0034] Zinc chloride 1%;

[0035] Its manufacture method is with embodiment 1.

Embodiment 3

[0037] A water-purifying activated carbon manufactured from plant waste, comprising the following raw material components in weight percentages:

[0038] Furfural residue 80%

[0039] Wood chips 18%

[0040] Phosphoric acid 2%;

[0041] Its manufacture method is with embodiment 1.

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Abstract

A purified water activated carbon produced from the plant castoff includes the material ingredients of following weight percentage: The percentage of highly processed plant waste residue is between 80 percent and 84 percent. The percentage of non highly processed plant waste residue or a soft coal is between 15 percent and 19 percent. The percentage of a chemical additive is between 1 percent and 5 percent. The present invention makes the best of a lignin, a fibrin and a rudimental sugar in the plant waste residue and takes the ingredients as a backbone. A little chemical substance is used to adjust the hole distribution and the surface functional groups. The produced purified water activated carbon has the following advantages. (1). Strong decoloration capability. The present invention is applicable to the color substance with giant molecule group. (2). Strong deodorization capability. The present invention is especially applicable to the alga and alga poison. (3). Strong capability of removing the harmful and organic residuum (MCA/DCA/THC/MTBE and others). The present invention has also a low cost and a good effect.

Description

technical field [0001] The invention relates to an activated carbon product that can be used for water purification treatment and a manufacturing method thereof, in particular to a water purification activated carbon manufactured from plant waste and a manufacturing method thereof. Background technique [0002] At present, the activated carbon used for water purification is mainly coal-based granular carbon and coal-based columnar carbon. Their production processes are mainly divided into direct activation of raw coal granular carbon and Taixi coal activated columnar carbon and crushed carbon. Among them, raw coal is directly activated. The process of granular carbon is raw coal-crushing-screening-carbonization-activation-post-treatment-packaging, which has the advantages of relatively low cost, developed carbon mesopores, and good absorption performance of potassium blue, but it also has high ash content and slightly stronger strength. Poor disadvantages; another Taixi coal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B31/08B01J20/20C02F1/28
Inventor 邹炎
Owner 邹炎
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