Preparation method of multifunctional composite micro-electrolysis filling material

A micro-electrolysis and multi-functional technology, applied in the field of micro-electrolysis treatment, can solve the problems of increasing the labor intensity, volume, large contact area, and reducing the effect of micro-electrolysis, and achieves improved biodegradability, increased contact area, increased contact area, etc. easy-to-install effect

Inactive Publication Date: 2016-10-26
江苏林格环境工程集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the volume and contact area of ​​existing micro-electrolysis fillers are large, which not only increases the labor intensity of workers' handling, is time-consuming and laborious, but also greatly reduces the effect of micro-electrolysis

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The preparation method of multifunctional composite micro-electrolytic filler comprises the following steps:

[0022] The first step: mix iron ore powder, carbon powder and binder in proportion to form a semi-finished product. The selection of iron ore powder is 65% per kilogram, the selection of carbon powder is 25% per kilogram, and the selection of binder is Pick 10% per kilogram. The binder consisted of 4 parts by weight of sodium silicate, 2 parts by weight of calcium chloride and 1 part by weight of hydroxypropyl cellulose. Wherein the iron ore powder contains Fe3+, and the particle size of the iron ore powder does not exceed 100 mesh.

[0023] Step 2: Add the mixed semi-finished product and water into the reactor for primary heating and stir evenly to form a mixture; the primary heating temperature in the high-temperature reactor is 100°C, and the holding time is 50 minutes. The stirring time of the finished product and water in the reactor is 30min.

[0024] ...

Embodiment 2

[0027] The preparation method of the multifunctional composite micro-electrolytic filler of the present embodiment comprises the following steps:

[0028] The first step: mix iron ore powder, carbon powder and binder in proportion to form a semi-finished product; the selection of iron ore powder is 55% per kilogram, iron ore powder contains Fe3+, and the particle size of iron ore powder does not exceed 100 mesh. The selection of carbon powder is to choose 26% per kilogram, and the selection of binder is to choose 11% per kilogram. The above-mentioned sticky binder consists of 7 parts by weight of sodium silicate, 3 parts by weight of calcium chloride and 3 parts by weight of hydroxypropyl cellulose composition.

[0029] Step 2: Add the mixed semi-finished product and water into the reactor for one heating and stir evenly to form a mixture. The mixing time of the semi-finished product and water in the reactor is 40 minutes, and the primary heating temperature in the high-tempe...

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Abstract

The invention relates to a preparation method of a multifunctional composite micro-electrolytic filler, which comprises the following steps: the first step: mixing iron ore powder, carbon powder and binder in proportion to form a semi-finished product; the second step: mixing the mixed semi-finished product with Add water into the reaction kettle to heat once and stir evenly to form a mixture; the third step: put the mixture into a fully enclosed briquette machine and compress it to form a briquette filler; the fourth step: put the briquette filler into a high-temperature reactor for secondary heating to realize the honeycomb briquette Overmolding of fillers. The method of the present invention not only changes the shape of the micro-electrolysis material, but also increases the contact area with the waste water when it treats the waste water, which greatly increases the treatment efficiency. A large number of microporous structures are formed inside, and the problems of fillers being broken and blocking pipes during use can be avoided by adding adhesives, and the problem of loose fillers can be avoided by using the secondary heating reaction of the reactor.

Description

technical field [0001] The invention relates to the technical field of micro-electrolysis treatment, in particular to a preparation method of a multifunctional composite micro-electrolysis filler. Background technique [0002] Micro-electrolysis technology is based on the chemical principle of metal corrosion and uses the formed micro-battery effect to sort out wastewater. It is especially widely used in the treatment of printing and dyeing wastewater. It is mainly manifested in decolorization and improving the biochemical properties of wastewater. It has the advantages of wide application range, good treatment effect, long service life, low cost and convenient price maintenance. It uses iron filings as raw material and does not need to consume power resources. At present, the volume and contact area of ​​existing micro-electrolysis fillers are large, which not only increases the labor intensity of workers' handling, is time-consuming and laborious, but also greatly reduces ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/461
CPCC02F1/46104
Inventor 周伟
Owner 江苏林格环境工程集团有限公司
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