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Compound microbial fertilizer taking waste clay minerals as main raw material

A technology of clay minerals and compound fertilizers, applied in the direction of organic fertilizers, fertilizer mixtures, fertilization devices, etc., can solve the problems of no good utilization methods, etc., to help microbial growth, adjust soil structure, improve fertilizer retention capacity and buffer effect of ability

Inactive Publication Date: 2016-06-01
SHANGHAI KUNPENG ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no better utilization method, mainly incineration treatment, and enterprises usually need to pay about 100 yuan per ton as the treatment fee

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The waste clay after decolorization of palm oil is subjected to physical pressing to extract oil, and the waste clay is treated with high-temperature steam, wrapped in canvas, and pressed with an oil press cylinder to squeeze out the oil-water mixture. The oil-water mixture is introduced into the settling tank for two sedimentation, the oil and water are separated, and the grease is collected, and the water is recycled and heated to become steam without discharging waste water. After the waste white clay is squeezed, it is the secondary waste white clay, and the oil content of the secondary waste white clay is about 5%. The obtained secondary waste white clay is dried and set aside.

[0032] Weigh 60kg of secondary waste white clay after the drying treatment, 6kg of plant ash, and 15kg of humic acid. After the raw materials of each component are pulverized, 0.15kg of composite microbial strains are added and mixed uniformly to obtain powdery microbial composite fertiliz...

Embodiment 2

[0034] Take by weighing 90kg of secondary waste white clay after drying treatment in Example 1, 8kg of plant ash, and 10kg of humic acid. After the raw materials of each component are pulverized, 1.0kg of composite microbial strains are added, and after mixing evenly, granulate by a granulator Processing, the thing makes granular microbial compound fertilizer B.

Embodiment 3

[0036] The waste attapulgite after decolorization of soybean oil is extracted by physical pressing, and the waste attapulgite is treated with high-temperature steam, wrapped in canvas, and pressed with an oil press cylinder to squeeze out the oil-water mixture. After the waste attapulgite is squeezed, it becomes secondary waste attapulgite, and the oil content of the secondary waste attapulgite is about 5%. Dry the obtained secondary waste attapulgite for future use.

[0037] Take by weighing 75kg of secondary waste attapulgite after the above-mentioned drying treatment, 5kg of calcium hydroxide, and 12kg of humic acid. fertilizer C.

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Abstract

The invention discloses a compound microbial fertilizer taking waste clay minerals as the main raw material. The compound microbial fertilizer comprises the following components in parts by weight: 60-90 parts of waste clay minerals, 5-8 parts of a pH regulator, 10-15 parts of humic acid and 0.15-1 part of compound microbial strains, wherein the waste clay minerals are selected from spent bleaching clay obtained after bleaching vegetable edible oil and fat, waste attapulgite, secondary spent bleaching clay obtained after oil extraction of waste perlite by physical pressing, secondary waste attapulgite and secondary waste perlite. The compound microbial fertilizer takes the waste clay minerals as the main raw material, and the waste clay minerals obtained after bleaching vegetable edible oil and fat contain substances such as protein, organic matters, humic acid and amino acid, so that the compound microbial fertilizer can effectively promote crop growth, regulate the soil structure, relieve soil hardening, improve the gas permeability of soil and improve the fertilizer conservation ability and the buffering capacity of soil.

Description

technical field [0001] The invention relates to the technical field of microbial fertilizers, in particular to a microbial composite fertilizer with waste clay minerals as the main raw material. Background technique [0002] The decolorization process in the edible oil production process generally uses clay, attapulgite, and perlite. The main component of white clay is silicon dioxide, and it also contains calcium, magnesium and other elements. Clay is gray-white granular powder with large specific surface area and pore volume, special adsorption capacity and ion exchange performance, strong decolorization ability and activity, and good stability after decolorization. Mainly used in the petroleum industry, it can adsorb unsaturated hydrocarbons, sulfides, colloids, asphaltenes and other unstable substances and colored substances of petroleum minerals such as paraffin and lubricating oil. Generally, clay usually refers to activated clay and acid clay. Activated clay is an ...

Claims

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Application Information

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IPC IPC(8): C05G3/04C05G3/80
CPCC05F11/02C05G3/80C05F11/08C05G1/00C05G3/00
Inventor 刘锡林陈大亮俞泳宏谢爱军高素萍王焕水
Owner SHANGHAI KUNPENG ENVIRONMENTAL PROTECTION TECH CO LTD
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