Poultry manure processing technology using preparation humilat compo
The main peculiarity of the poultry manure processing technology: the reactions of ion exchange, complex formation, donor-acceptor interactions with formation of lamellar polymer are launched between the functional groups of the fertilizing agent humilat compo and the poultry manure resulting in complex organic mineral fertilizer with prolonged effect. The technology is based on accelerated fermentation principle and provides application of the fertilizing agent humilat compo to enhance the manure fermentative activity, and the ferments belonging to the “bad proteids” are stabilized due to the presence of covalent bonds in humic molecule.
Humilat compo technology for urban wastewater treatment facilities and further sludge utilization
The main method of neutralizing sludge and residue in the world is still burial in sludge receivers. About 300-450 thousand tonnes of residue per year on average are produced by wastewater treatment plants located in large cities with several million people and require an area of about 8-10 ha for their burial. The polygons should be located at a distance of 50-60 km from the wastewater treatment plants. Most often the large cities do not have such sites suitable for waste disposal, but the closest suitable areas are located at a distance of 100-150 km.
Notwithstanding the external attraction, the most generally known-methods of neutralizing excessive active sludge contained in heavy metals (thermal and/or thermochemical treatment) are ecologically unsafe as they more or less pollute the atmosphere as well as they require complicated systems for purification of gas emissions from pollutants and for secondary treatment of sewage. These methods do not provide the utilization of useful organic substances found within sludge for replenishment of humus amount in soil, although humus losses in the top horizon of soil have reached 25 to 56% over the last 100 years in various regions. Other methods of heavy metal removal from sludge have not been practically used in wastewater treatment plants.