Ionic rare earth tailing soil improver and preparation method thereof

A soil conditioner, ionic rare earth technology, applied in soil conditioning materials, chemical instruments and methods, organic fertilizers, etc., can solve problems such as damage to soil texture and its physical and chemical structure, difficult soil restoration and improvement, and low organic matter content.

Inactive Publication Date: 2019-08-27
赣州哈克生物科技有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the deficiencies of the prior art, the object of the present invention is to provide an ionic rare earth tailings soil conditioner and a preparation method thereof. The soil conditioner aims to solve the problem that the ecology of the existing ionic rare earth Soil texture and its physical and chemical structure, organic matter content is extremely low, the soil is short of fertilizer and water, making it difficult for plants to grow, but the existing physical and chemical restoration methods and plant ecological restoration methods are difficult to effectively repair and improve the technical problems of soil; through this The soil conditioner can efficiently supplement the soil of ionic rare earth tailings with nutrients, and combined with the planting of plants and the conversion and absorption of harmful substances in the soil by soil conditioners, the stable and efficient restoration of ionic rare earth tailings soil is realized , while greatly controlling the cost of soil remediation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] This specific embodiment is to prepare ionic rare earth tailings soil improver, and the specific steps are:

[0028] Step 1. Grind 100kg of pig manure, 50kg of wheat bran, 80kg of soybean meal, 100kg of water hyacinth, and 80kg of annual canopy and mix them evenly. Add water to control the water content at 60%-64%. The first fermentation time is 45 hours. After the first fermentation, it is stirred to dissipate heat and ventilated to obtain the first fermentation product;

[0029] Step 2, 80kg of fungus chaff, 10kg of humic acid, 5kg of microbial compound bacterial agents (wherein, 1.2kg of Trichoderma viride, 0.8kg of phosphorus-dissolving and potassium-dissolving microbial agents, 0.8kg of Rhodopseudomonas palustris, excrement Streptococcus inoculum 1kg, Lactobacillus plantarum inoculum 1.2kg) were mixed evenly and added to the first fermentation product, water was added to control the water content at 76%-82%, the second fermentation was carried out, and the second f...

Embodiment 2

[0034] This specific embodiment is to prepare ionic rare earth tailings soil improver, and the specific steps are:

[0035] Step 1. Grind 160kg of pig manure, 45kg of wheat bran, 90kg of soybean meal, 90kg of water hyacinth, and 90kg of annual canopy and mix them evenly. Add water to control the water content at 64%-66%. The first fermentation time is 42 hours. After the first fermentation, it is stirred to dissipate heat and ventilated to obtain the first fermentation product;

[0036] Step 2, 70kg of fungus chaff, 12kg of humic acid, 4kg of microbial composite bacterial agents (wherein, 1kg of Trichoderma viride, 0.6kg of phosphorus-dissolving potassium microbial bacterial agents, 0.6kg of Rhodopseudomonas palustris bacterial agents, feces chain Coccus bacterial agent 0.8kg, Lactobacillus plantarum bacterial agent 1kg) mix and join in the first fermentation product, add water to make its water content be controlled at 74%-76%, carry out second fermentation, control the secon...

Embodiment 3

[0041] This specific embodiment is to prepare ionic rare earth tailings soil improver, and the specific steps are:

[0042] Step 1. Grind 200kg of pig manure, 40kg of wheat bran, 100kg of soybean meal, 80kg of water hyacinth, and 100kg of annual canopy and mix them evenly. Add water to control the water content at 66%-70%. The first fermentation time is 36 hours. After the first fermentation, it is stirred to dissipate heat and ventilated to obtain the first fermentation product;

[0043] Step 2, 60kg of fungus chaff, 16kg of humic acid, 3kg of microbial compound bacterial agents (wherein, 0.7kg of Trichoderma viride, 0.5kg of phosphorus-dissolving and potassium-dissolving microbial agents, 0.5kg of Rhodopseudomonas palustris, excrement Streptococcus inoculum 0.6kg, Lactobacillus plantarum inoculum 0.7kg) were mixed evenly and added to the first fermentation product, water was added to control the water content at 70%-74%, and the second fermentation was carried out to control...

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Abstract

The invention discloses an ionic rare earth tailing soil improver and a preparation method thereof. The soil improver aims to solve the technical problem that the soil texture and the physical and chemical structures of the soil are destroyed as ecology of the conventional ionic rare earth tailing is destroyed by people, the organic matter content is extremely low, plants are hard to grow as the soil is short of fertilizer and water, and soil is hard to be repaired and modified according to the conventional physical and chemical repair methods and plant ecological repair methods. The soil improver comprises pigment manure, mushroom residues, bran, humic acid, soybean pulp, water hyacinth, erigeron annuus, a microbial compound inoculant, straws, rice hulls, cow dung, saw dust, brown coal, coconut shells, graphene, a hydrogel and the like. The soil improver can supplement nutrients to soil of the ionic rare earth tailing efficiently, and by combining planting of plants and conversion andabsorption of harmful substances in soil by the soil improver, the soil of the ionic rare earth tailing is repaired stably and efficiently, and the soil repair cost is controlled greatly.

Description

technical field [0001] The invention belongs to the field of mine soil environment restoration, and in particular relates to an ionic rare earth tailings soil conditioner and a preparation method thereof Background technique [0002] my country's rare earth resources are rich in reserves, accounting for 90% of the world's similar resources. At the same time, it also has unique new rare earth deposits in the world, including ion-adsorption rare earth ores. Ion-adsorption rare earth ores are mainly distributed in Jiangxi, Guangdong, Hunan, Guangxi, Fujian and other places; 60%-90% of the rare earth in the raw ore of ion-adsorption rare earth ore in the south is adsorbed in kaolin and mica in the state of hydrated or hydroxyl hydrated ions. The rare earth ions are easily exchanged in the electrolyte solution, so sulfuric acid is widely used at present. Ammonium is used as a leaching agent, and the in-situ leaching of rare earth elements is carried out by drilling and injecting li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C09K17/40C09K101/00C05G3/80
CPCC05G3/00C05D9/00C09K17/40C09K2101/00C05G3/80
Inventor 何璇宋墩福刘郁林温德华曾炜彭旗刘常春马小焕
Owner 赣州哈克生物科技有限公司
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