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The difference and connection between industrialized composting and household composting

Jan. 01, 70

Compost related concepts


Fertilizer is an organic soil conditioner obtained by biological decomposition of the mixture. The mixture is mainly composed of plant residues, and sometimes also contains some organic materials and certain inorganic substances.


The raw materials for composting can be organic solid wastes in urban and rural areas, such as agricultural crop stalks, farming manure in rural areas, urban household waste, kitchen waste, municipal sludge, and food industry waste residues.


Composting, a treatment method to produce compost, is to use microorganisms that are widely present in nature to controllably promote the biochemical process of transforming degradable organic matter in solid waste into stable humus. Composting can be divided into aerobic composting and anaerobic composting according to the process of microbial growth and whether it is oxygenated. Aerobic composting is the process of decomposing organic matter in the presence of oxygen, and the final products are CO2, H2O, and heat. And humus, anaerobic composting is under anaerobic conditions, anaerobic microorganisms degrade organic matter into CH4, CO2, H2O, heat and humus. Generally speaking, composting refers to aerobic composting.


210-工业化堆肥与家庭堆肥的区别与联系

The difference between industrial composting and household composting


Industrialized composting refers to the process of aerobic degradation of solid and semi-solid organic matter by microorganisms at moderate temperature or high temperature under controlled conditions to produce stable humus. The general cycle is 180 days, but with the changes in aerobic composting technology, the shortest time is 30 days or even shorter.

Household composting refers to the aerobic composting process that mainly uses household kitchen waste or garden waste to produce compost for home use. Household composting takes longer than industrial composting, but generally the longest is no more than one year.

The link between industrialized composting and household composting


Whether it is industrialized composting or household composting, the organic waste handled should have the following characteristics:


a) Biodegradability (that is, the original biodegradability of the material);

b) Disintegration performance during composting;

c) Will not adversely affect the biological decomposition process;

d) Have an adverse effect on the quality of the final compost, such as excessive amounts of harmful elements.



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