Method for producing serpentine tailings compressed nutrient soil

Abstract

The invention discloses a method for producing serpentine tailings compressed nutrient soil. According to the technical scheme disclosed by the invention, the method is characterized by comprising the following steps of firstly acidifying serpentine tailings and sludge, and then stirring ingredients of the serpentine tailings compressed nutrient soil, compressing, carrying out microwave low temperature sterilization and packaging to obtain the finished product. The serpentine tailings compressed nutrient soil comprises acidified serpentine tailings, acidified sludge, polyvinyl alcohol, ferrous sulfate, peat, flower ceramsite, high-viscosity attapulgite clay, biogas slurry, crushed plant fibers, expanded vermiculite, expanded perlite, super absorbent resin and the like. Since the serpentine tailings compressed nutrient soil contains a large amount of nitrogen, phosphorus, potassium, organic matters and a plurality of trace elements, the serpentine tailings compressed nutrient soil can provide nutrients necessary for the growth of plants, reduces harms of pathogens and pests to plants and is conducive to the normal growth and development of plants, and the ecological environment is protected; the method for producing the serpentine tailings compressed nutrient soil is suitable for producing serpentine tailings compressed nutritive soil with different formulas.

Description

technical field [0001] The invention relates to nutrient soil, in particular to a production method of compressed nutrient soil from serpentine tailings. Background technique [0002] Serpentine is a general term for hydrous magnesium-rich silicate minerals, such as antigorite, lizardite, and chrysotile. Their color is generally green, but there are also light gray, white or yellow, because they are often green and green like snake skin, hence the name. [0003] There are a large number of serpentine tailings in the serpentine mining area, which have not been well developed and utilized. [0004] Sludge is a kind of easily corrupt and smelly paste produced in the process of sewage treatment. It enriches the pollutants in sewage, contains a large amount of nutrients such as nitrogen and phosphorus, organic matter, virus microorganisms, parasite eggs, heavy metals, etc. Toxic and harmful substances will cause serious harm to the environment if they are not effectively treate...

AI Technical Summary

Problems solved by technology

Generally, it is prepared by mixing fertile field soil and decomposed manure. There are also nutrient soils selected from imported high-quality peat and coconut bran mixed in a specific proportion. However, these nutrient soils have not undergone reasonable ingredients and strict disinfection. Conducive to the normal growth and development of seedlings

[0009] Because the treated nutrient soil is relatively light and loose, the conventional product of nutrient soil is relatively large, which is not conducive to reducing the cost of production and transportation