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Waste residue treatment method

A technology of waste residue and treatment steps, which is applied in the field of waste residue treatment, can solve the problems of polluting the surrounding environment, infiltration into the ground, groundwater pollution, etc., and achieves the effects of good economic benefits, low cost, and simple operation process

Inactive Publication Date: 2015-06-03
段胜全
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, calcium nitrite is an inorganic chemical product, which is an antifreeze component in antifreeze and water reducer. However, in the preparation of calcium nitrite, a large amount of waste residues will be produced. These waste residues have no value for reuse. If a large amount Long-term accumulation of waste slag pollutes the surrounding environment and also seeps into the ground, polluting groundwater
The output of waste slag is increasing every year, but there is no substantial progress in the project to deal with waste slag, and the environmental pollution needs to be solved urgently

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] (1) Pulverize the waste residue;

[0014] (2) Mix the pulverized waste residue with clay at a ratio of 1:6.1;

[0015] (3) In the waste residue after mixing, add binder bonding;

[0016] (4) After adding binder to mixed waste residue, mix and form;

[0017] (5) Put the molded waste slag into the kiln for firing, the firing temperature is 1100 degrees centigrade, and the firing time is 1 hour.

Embodiment 2

[0019] (1) Pulverize the waste residue;

[0020] (2) Mix the pulverized waste residue with clay at a ratio of 1:6.7;

[0021] (3) In the waste residue after mixing, add binder bonding;

[0022] (4) After adding binder to mixed waste residue, mix and form;

[0023] (5) Put the molded waste slag into the kiln for firing, the firing temperature is 1100 degrees centigrade, and the firing time is 1 hour.

Embodiment 3

[0025] (1) Pulverize the waste residue;

[0026] (2) Mix the pulverized waste residue with clay at a ratio of 1:7.0;

[0027] (3) In the waste residue after mixing, add binder bonding;

[0028] (4) After adding binder to mixed waste residue, mix and form;

[0029] (5) Put the molded waste slag into the kiln for firing, the firing temperature is 1100 degrees centigrade, and the firing time is 1 hour.

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PUM

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Abstract

The invention relates to a waste residue treatment method. Waste residues are produced in the preparation of calcium nitrite. The waste residue treatment method disclosed by the invention is environmentally friendly, pollution-free, simple in operation process, and low in cost; and products prepared by firing can be reused, so that the method has good economic benefits, and is suitable for being widely popularized and applied.

Description

technical field [0001] The invention relates to a method for treating waste slag. Background technique [0002] In recent years, calcium nitrite is an inorganic chemical product, which is an antifreeze component in antifreeze and water reducer. However, in the preparation of calcium nitrite, a large amount of waste residue will be produced. These waste residues have no value for reuse. If a large amount The long-term accumulation of waste slag pollutes the surrounding environment and also seeps into the ground, polluting groundwater. The output of waste slag is increasing day by day, but the engineering of waste slag treatment has not made substantial progress, and the environmental pollution needs to be solved urgently. Contents of the invention [0003] The purpose of the present invention is to overcome the defects in the prior art and provide a method for treating waste residue. [0004] The technical scheme that realizes the object of the present invention is: a kin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/132
CPCY02P40/60
Inventor 段胜全
Owner 段胜全
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