Топ-100
Terraforming Blog
Tech

Compostaje

Composting is used to prepare a highly effective organic fertilizer. Compost contains useful microflora and is enriched with nutrients: nitrogen, potassium, phosphorus, microelements.

Solid sediments formed after settling of wastewater, with a moisture content of less than 80%, can be subjected to such treatment with water-absorbing and loosening components - sawdust, dry leaves, straw, peat, provided that the temperature of the compost is more than 60 degrees in all its areas.

The substrate can be laid out in an open area (usually near the source) in ridges (up to 1.5 m high, up to 4.6 m wide) under membrane geotextile (to protect against flies), which must be periodically turned up ( for ventilation).

Also, sometimes the substrate is laid out in heaps (up to 5 m high, up to 12 m wide) on a waterproof site with forced ventilation from below, which are covered with peat or compost (up to 20 cm layer) to protect against insects and small animals.

The ripening period is five to six weeks. 

The mechanical method is much faster: the substrate slowly rotates at a temperature of 35 degrees and constant air purge, so the composting process begins;   then, due to internal reactions in the substrate, the temperature rises to 75 degrees and dries the mass in 24 hours.