Red mud-assisted soil remediation fertilizer

Abstract

The invention discloses red mud-assisted soil remediation fertilizer. The red mud-assisted soil remediation fertilizer is prepared from, by weight, 24-26 parts of wheat gluten flour, 8-10 parts of humus soil, 28-32 parts of cottonseed cakes, 68-74 parts of red mud, 2-3 parts of potassium selenite, 8-10 parts of humic acidic ammonium, 40-45 parts of kapok hulls, 13-15 parts of siderite slag, 13-15 parts of limonite slag, 40-45 parts of orange peel, 4-5 parts of an EM compound microorganism bacterium agent and an appropriate amount of water. According to the soil remediation fertilizer, the red mud materials are utilized to be combined with the humic raw materials, the content of soil nutrients, especially silicon, can be increased, the content of biological effective-state heavy metal is simultaneously decreased, the stabilization effect is improved, accumulation of the heavy metal in organisms is reduced, and the purpose of soil improvement is achieved to enable the soil to be beneficial for crop growth.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a red mud-aided soil repair fertilizer. Background technique [0002] With the rapid development of the economy and the advancement of industrial technology, the adverse impacts of industrial and agricultural production on the environment have been increasing. Due to the continuous accumulation and dumping of solid waste on the soil surface, harmful waste water has continuously penetrated into the soil, harmful gases and dust in the atmosphere It also continues to fall into the soil with rainwater, causing soil pollution. It not only reduces the yield and quality of crops, but also indirectly endangers human health. [0003] The control of soil pollution is mainly through engineering restoration methods and phytoremediation methods, of which engineering restoration methods mainly include soil improvement methods, electric restoration, soil leaching and heat treatment methods...

AI Technical Summary

Problems solved by technology

Not only reduces the yield and quality of crops, but also indirectly endangers human health

[0003] The control of soil pollution is mainly through engineering restoration methods and phytoremediation methods, of which engineering restoration methods mainly include soil improvement methods, electric restoration, soil leaching and heat treatment methods, etc. Engineering treatment measures are usually suitable for small polluted areas and serious pollutants. And the effect of the soil that is easy to spread is more obvious, which can fundamentally improve the soil, but the cost of treatment is high, and it is easy to form secondary pollution, and may damage the soil structure, which may easily lead to a decline in soil fertility

Phytoremediation technology is usually low-cost and can improve soil organic matter content and soil fertility, but plants have limited tolerance to heavy metal pollutants and are only suitable for moderately polluted soil remediation. At the same time, a plant can usually only remediate a certain heavy metal pollution Soil, and it is possible to activate other heavy metals in the soil. It is not effective for the compound pollution of various metals and organic substances. Hyperaccumulators grow slowly, and the restoration period is usually long, which is difficult to meet the requirements of rapid restoration of soil pollution.