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Method for preparing fertilizer from cane sugar factory filter mud

A technology of sugarcane sugar and filter mud, which is applied in the field of recycling waste filter mud from sugarcane sugar factories, can solve problems such as poor physical properties, high water content, and odor, and achieve energy saving, simple operation, and environmental pollution. Effect

Inactive Publication Date: 2015-02-11
陈亮亮
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The key to the technical solution of the present invention is: to use the filter mud to make fertilizer, it is necessary to solve the problem of poor physical properties and odor due to high water content

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Example 1 Take 5 parts of filter mud, 3 parts of heavy superphosphate, and 1 part of calcium-magnesium phosphate fertilizer and mix them evenly. After standing for one day, it becomes a mixed fertilizer containing 15% of available phosphorus.

Embodiment 2

[0012] Embodiment 2 Get 5 parts of filter mud, 4 parts of ammonia superphosphate, and 1 part of combustion ash and mix evenly to become a mixed fertilizer containing 8% of available phosphorus and 2-3% of ammonia.

Embodiment 3

[0013] Example 3 Take 5 parts of filter mud, 5 parts of superphosphate, and 1 part of calcium magnesium phosphate fertilizer and mix them evenly to form a mixed fertilizer containing 11% of available phosphorus.

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PUM

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Abstract

The invention relates to a cane sugar factory waste filter mud recycling technology. According to the invention, a conditioning agent is added into filter mud that is not subjected to a drying treatment; the mixture is mixed by stirring, and is subjected to a reaction, such that a powdery or granular mixed fertilizer with excellent physical properties is prepared; proper amounts of nitrogen, phosphorus, potassium and rare earth elements, and a plant growth regulator are further added, such that various binary and ternary composite fertilizers comprising the rare earth element or growth regulator can be obtained. Therefore, mud-like smelly filter mud is turned into the odorless powdery or granular fertilizer, such that an environment pollution problem caused by the filter mud is solved. The method is in accordance with the principles of local material, local processing, local use, and turning waste into treasure. The method has significant economic and social benefits.

Description

technical field [0001] The invention relates to a technology for recycling the waste filter mud of sugarcane sugar factories, and the technology is suitable for making mixed fertilizer and compound fertilizer from the filter mud of sugarcane sugar factories. Background technique [0002] There are currently 350 sugarcane sugar factories in my country, and the total amount of crushed sugarcane is about 80 million tons per year. According to the 3-5 tons of filter mud obtained by squeezing 100 tons of sugarcane, the filter mud produced is 2.4-4 million tons. As a waste residue produced by sugar refining, filter mud contains high organic nutrients and is a good organic fertilizer. Therefore, the use of filter mud to develop and produce organic-inorganic mixed fertilizers has important practical significance for the development of circular economy. However, due to the high water content of the filter mud, it is in the form of thin mud and has an extremely unpleasant smell ...

Claims

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Application Information

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IPC IPC(8): C05F5/00C05F17/00C05G3/00
CPCC05B1/02C05B1/04C05B7/00C05F5/002C05F5/006C05G1/00C05C3/00C05D3/02C05B5/00C05C9/00C05D1/02C05F11/02C05D9/02Y02A40/20Y02W30/40
Inventor 不公告发明人
Owner 陈亮亮
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