How to use biogas to make organic fertilizer

Biogas is a kind of clean energy produced by fecal fermentation. It can be used to replace coal and other fuels for cooking or power generation. After biogas is produced by manure, biogas residue is left. Manure can be fermented to produce organic fertilizer, and biogas residue is also quite convenient to produce organic fertilizer. Here I'll show you how to make organic fertilizer from biogas residue.

What are the components of dry biogas residue

Biogas residue is a solid substance left behind after anaerobic fermentation of livestock and poultry feces. Due to long-term immersion in biogas digester, the moisture content of biogas residue will be very high. The dry biogas residue separated by solid-liquid separator for making organic fertilizer contains rich organic matter, humic acid, amino acid, nitrogen, phosphorus, potassium and trace elements. The organic matter calculated by dry matter is generally more than 95%, and other components are different according to different fermentation materials.

The role of biogas residue

Biogas residue is mainly used for making organic fertilizer, as the base fertilizer and Topdressing of crops. Through the application of organic fertilizer, not only the purpose of chemical fertilizer reduction, but also the improvement of the soil. Biogas residue can also be used to prepare nutritious soil for flowers, seedlings, traditional Chinese medicine and vegetable seedlings.

Biogas residue organic fertilizer production equipment

When producing organic fertilizer from biogas residue, the production equipment required from beginning to end include solid-liquid separator, drum dryer, compost turner machine, belt conveyor, mixer, organic fertilizer granulator, automatic packaging machine, biogas slurry pump, liquid Fertilizer reserve pool, laboratory equipment and related auxiliary facilities.
biogas make organic fertilizer

Biogas residue organic fertilizer production process

The process of producing organic fertilizer by biogas residue fermentation is relatively simple. For ordinary organic fertilizer, as long as the biogas residue separated from solid and liquid is fermented, crushed and sieved, it can be bagged. If biogas manure is produced, microbial strains need to be added to increase the effectiveness of the fertilizer. If the produced organic fertilizer products are granules, more equipment and more processes are required. These processes are similar to the NPK fertilizer production line, and they require raw material ingredients, mixing, and granulation. Of course, the fertilizer produced after further processing is very smooth in the market.

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