Efficient composite powdery soil modifier and preparation method thereof

Abstract

The invention discloses an efficient composite powdery soil modifier and a preparation method thereof. The efficient composite powdery soil modifier contains the following substances, such as malic acid, medical stone, calcium sulfate, copper sulfate, calcium carbonate, aluminum potassium sulfate, calcium oxide and polyacrylamide. Compared with the prior art, the efficient composite powdery soil modifier can remove polluted and harmful substances, such as heavy metal ions, radioactive substances, cancerogenic substances, blue algae, SS (Suspended Solids), COD (Chemical Oxygen Demand), BOD (Biochemical Oxygen Demand), and the like which are difficult to treat by the current common soil sewage treating agent in a broad-spectrum and efficient way, has various effects of obvious decoloration, deodorization, dehydration, deoiling, bacterium removal, and the like, has the advantages of less dosage, high treatment speed, obvious effect, low running cost and strong adaptability on high dirty concentration, wide pH value range and wide sewage temperature change of soil sewage and is suitable for different soil water quality conditions and treatment process and equipment condition adjustment production with different treatment requirements so as to achieve an optical treatment effect.

Description

technical field [0001] The invention belongs to a high-efficiency composite powdery soil modifier and a preparation method thereof, in particular to a composite powdery soil modifier and a preparation method thereof. Background technique [0002] China currently uses more than 150 million tons of chemical fertilizers annually, ranking first in the world. my country is a country with a large population and a large agriculture. It uses 7% of the world's land to feed 22% of the world's population. The food issue is always a major issue related to the national economy and people's livelihood. my country has 2 billion mu of arable land and needs 150 million tons of fertilizers annually. It is the world's largest importer of fertilizers and producer of nitrogen fertilizers. Even so, the amount of chemical fertilizers still cannot meet the needs of agricultural development. The reason is that the key problem is that the utilization rate of chemical fertilizers is too low. Accord...

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Problems solved by technology

However, the large amount of excrement produced by the breeding industry has brought great pressure to environmental sanitation. The long-term composting of livestock and poultry manure breeds a large number of flies and mosquitoes, which spread everywhere with various germs, which poses a threat to the safety of the breeding industry and the health of employees. pose a serious threat

On the other hand, the extensive use of chemical fertilizers in agricultural production has greatly improved the output of agricultural products, but it has also brought about problems such as the decline in the quality of agricultural products, soil compaction, and water pollution, all of which are due to the long-term lack of organic matter in the soil. and excessive use of chemical fertilizers, and the most fundamental way to solve these problems is to reduce the use of chemical fertilizers and increase soil organic matter

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