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Soil conditioner

A soil conditioner and clay mineral technology, applied in soil conditioning materials, applications, organic fertilizers, etc., can solve the problems of poor comprehensive soil conditioning effect, large amount of soil conditioner, secondary pollution, etc. Low cost and the effect of passivating heavy metals

Inactive Publication Date: 2018-12-18
HUNAN VALIN ENERGY SAVING ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem that the present invention is solving: the soil conditioner used in the prior art is large in dosage, high in cost, has the risk of secondary pollution, and the comprehensive effect of soil conditioning is not good

Method used

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Effect test

Embodiment 1

[0022] Embodiment 1: the production of soil conditioner

[0023] The preparation method that this embodiment provides soil conditioner is as follows:

[0024] 1. Each component is calculated in parts by mass, A:B:C:D=10:40:45:5.

[0025] 2. Lightly burned powder, sepiolite and 80-mesh iron powder are selected for component A. In terms of parts by mass, lightly burned powder: sepiolite: iron powder = 30:40:30. The lightly burned powder was purchased from Shouguang Zebang Chemical Co., Ltd., the sepiolite was selected from the "Haizhiblunt" product of Xiangtan Yuanyuan Seapiolite New Material Co., Ltd., and the iron powder was purchased from Zhengzhou Tiandaolun Chemical Products Co., Ltd.

[0026] 3. The component B uses peanut straw biochar, cuts the peanut straw into 20-30cm sections, air-dries them naturally, and pre-oxidizes them in a constant temperature blast box at 150°C for 1 hour, and then produces them at Fuwei Heavy Industry Machinery Factory in Gongyi City, Henan P...

Embodiment 2

[0032] Embodiment 2: the production of soil conditioner

[0033] The preparation method of the soil conditioner of this embodiment is as follows:

[0034] 1. Each component is calculated in parts by mass, A:B:C:D=10:50:32:8.

[0035] 2. Sepiolite, medical stone and 80-mesh iron powder are selected for component A. In terms of parts by mass, sepiolite: medical stone: iron powder = 40:40:20. The sepiolite was selected from the "Haizhiblunt" product of Xiangtan Yuanyuan Seapiolite New Material Co., Ltd., and the medical stone was purchased from Dengfeng Songshan Medical Stone Development Co., Ltd. 60-mesh medical stone powder.

[0036] 3. The component B uses corn stalk biochar, cuts the corn stalks into 10-20cm sections, air-dries them naturally, puts them in a constant temperature blast box at 180°C for 1.5 hours, and then puts them in Fuwei Heavy Industry Machinery Factory, Gongyi City, Henan Province. The produced hemp straw carbonization furnace was carbonized at 400°C for...

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Abstract

The invention discloses a soil conditioner. The soil conditioner comprises the following components: a component A is clay mineral and iron powder; a component B is biochar; a component C is product after fermentation of meal cake bran slag; and a component D is a plant extract; the plant extract is obtained by mixing spina gleditsiae powder and grapefruit skin powder, extracting a mixture with water, filtering the mixture, and concentrating a filtrate to the density of 1.05 to 1.08; and the mass ratio of the components A to B to C to D is 10 to 20:30 to 50:30 to 50:3 to 8. The soil conditioner of the invention has a low amount, the raw material cost is relatively low, no risk of secondary pollution is generated, and the heavy metal can be passivated, the soil fertility is increased, and the soil conditioning comprehensive effect is good.

Description

technical field [0001] The invention relates to a soil conditioner, and the invention relates to the field of remediation of heavy metal polluted soil. Background technique [0002] The overall geographical situation of my country's arable land is not optimistic. The proportion of high-yield fields is relatively low. Low-yield fields are not only large in size and diverse in type, but also relatively concentrated in distribution, with obvious obstacle factors; Irrigation and other agronomic behaviors lead to varying degrees of heavy metals in the soil, affecting the normal growth of crops, and absorbing them into food through plants, and then carrying them to the human body through the food chain, eventually endangering human health. [0003] Patent document CN102101123A discloses an in-situ remediation method for heavy metal-contaminated soil. Each mu of heavy metal-contaminated soil requires 12-28m3 of remediation agent, and the cost of the agent is 25,000-50,000 yuan; pate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C09K17/40C09K101/00C05G3/80
CPCC05D9/00C09K17/40C09K2101/00C05G3/80C05D9/02C05F5/002C05F11/00C05F11/02C05F11/08
Inventor 李娟冯秋分王竞赵勇
Owner HUNAN VALIN ENERGY SAVING ENVIRONMENTAL PROTECTION TECH CO LTD