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Multi-element mineral fertilizer taking copper smelting slag as raw material and preparation method of multi-element mineral fertilizer

A technology of copper smelting slag and multi-element, applied in fertilizer mixture, fertilization device, application, etc., can solve the problem of low utilization rate of copper slag resources, achieve the effect of improving crop quality, improving crop quality, and improving soil

Inactive Publication Date: 2015-09-16
KUNMING YITANGCHUN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, copper slag also has the problem of low resource utilization

Method used

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  • Multi-element mineral fertilizer taking copper smelting slag as raw material and preparation method of multi-element mineral fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) Pulverize copper smelting slag to 100 mesh;

[0019] (2) Mix the copper smelting slag crushed in step (1) with the calcium-magnesium phosphate fertilizer at a mass ratio of 10:1, so that the effective phosphorus content of the mixture is 2.73%, and an alkaline multi-element mineral fertilizer is obtained.

Embodiment 2

[0021] (1) Pulverize copper smelting slag to 80 mesh;

[0022] (2) Mix the copper smelting slag crushed in step (1) with the calcium-magnesium phosphate fertilizer at a mass ratio of 1:1, so that the effective phosphorus content of the mixture is 15%, and an alkaline multi-element mineral fertilizer is obtained.

Embodiment 3

[0024] (1) Pulverize copper smelting slag to 200 mesh;

[0025] (2) Mix the copper smelting slag crushed in step (1) with superphosphate at a mass ratio of 20:1, so that the available phosphorus content of the mixture is 2.86%, and an acidic multi-element mineral fertilizer is obtained.

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Abstract

The invention relates to multi-element mineral fertilizer taking copper smelting slag as a raw material and a preparation method of the multi-element mineral fertilizer, belonging to the technical field of utilization of metallurgical slag. The multi-element mineral fertilizer consists of the following components: the mass ratio of the copper smelting slag to available phosphorus substances is (1-20):1. The crushed copper smelting slag and the available phosphorus substances are mixed according to the mass ratio of (1-20):1, and the available phosphorus content of the mixture is 2.73-15%, so that the multi-element mineral fertilizer is obtained. The multi-element mineral fertilizer has various nutrients needed by crops for growth, so that the quality of the crops is improved. The multi-element mineral fertilizer can improve soil and achieves the effects of retaining fertilizer, saving fertilizer, increasing yield, improving color, improving the quality of the crops, improving the soil, retaining water and retaining soil moisture. According to the invention, the problem of the resource utilization of the copper smelting slag is solved, the resource utilization rate is increased, and the method is economical, energy-saving and environmentally friendly.

Description

technical field [0001] The invention relates to a multi-element mineral fertilizer using copper smelting slag as a raw material and a preparation method thereof, belonging to the technical field of metallurgical waste slag utilization. Background technique [0002] In recent years, global copper smelting output has grown rapidly. In 1998, the world's total output of refined copper was 13.94 million tons, and in 2010 it reached 19.25 million tons, an increase of 38.09%. In line with the growth rate of world copper production, my country's copper production has rapidly increased from 2.6 million tons in 2005 to 4.57 million tons in 2010, and the total output has ranked first in the world. [0003] At present, 80% of the world's copper is produced by pyrometallurgy, and only about 20% is obtained by hydrometallurgy. More than 97% of my country's copper production comes from pyrometallurgical smelting. Copper smelting slag mainly comes from pyro-smelting process, and can be div...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
Inventor 张兆成
Owner KUNMING YITANGCHUN TECH CO LTD
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