The specific output of converting one ton of pig manure into organic fertilizer in an organic fertilizer production line is influenced by various factors, including but not limited to the following:
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Fermentation method: Dry fermentation often produces more solid products compared to wet fermentation because there is more water loss during the wet fermentation process.
Adding substances: If fillers (such as sawdust, rice husks, straw, etc.) are added during the fermentation process, it will increase the volume and weight of the final product.
Fermentation efficiency: The loss rate during the fermentation process is also an important factor, including incompletely degraded residues, evaporated water, and the portion that becomes gas emissions (mainly carbon dioxide and ammonia).
Finished product requirements: If the finished product needs to be dried, the removal of moisture will further reduce the weight of the final product.
Product form: Compared to granular fertilizers, powdered fertilizers occupy a larger volume under the same weight.
General assumption
Assuming good fermentation efficiency and no additional substances are added,
Preliminary estimates suggest that approximately one ton of fresh pig manure (with a moisture content of about 80%), after sufficient fermentation and drying treatment, can yield about 200 to 400 kilograms of dry weight organic fertilizer. This scope covers changes in most cases.
Actual case
Under certain conditions, especially when efficient fermentation techniques and refined management processes are employed, this number may reach even higher levels. For example, some advanced organic fertilizer production lines report that one ton of optimized pig manure can produce over 500 kilograms of high-quality organic fertilizer.
It is worth noting that the above data is for reference only, and the specific situation needs to be calculated based on your organic fertilizer production process, raw material status, and expected product quality. To obtain more accurate values, it is recommended to conduct small-scale testing of experimental batches or consult a professional organic fertilizer production consultant to evaluate your specific situation.
