Deodorization - destruction bad smells, formed as a result of putrefaction microbes organic substrates (allocations of human and animals, food, corpses, and so on).
Education bad smells in accommodation, food enterprises, hospitals, etc. indicates a violation of sanitary rules of detention premises, faulty ventilation, violation of rules of personal hygiene of man.
The best way deodorization is carrying out measures against the emergence of bad smells: cleanliness in the rooms, timely removal of trash, garbage, human waste and animal, proper operation of the lavatory, garbage disposal and maarohanye, adequate ventilation, observance of rules of personal hygiene. If the General sanitary measures do not lead to the disappearance of smell and improve air quality, resort to chemical and physical methods deodorization.
Rotting substances on the territory of the yard, manor fall asleep uniform layer thickness of 10 cm dry powdered earth, peat, wood coal or sand. These substances adsorb water and reduce the intensity of decay.
Of chemicals for deodorization liquid waste used: vitriol (FeSO4) in the amount of 12-15 g on 1 l of sewage; copper sulphate (CuSO4) in the form of 5% water solution in the number 7-8 g on 1 l of sewage; chloride zinc (ZnCl2) in the form of 5% water solution in the number of 75-100 g on 1 l of sewage; bleach with the contents of active chlorine at least 25% of the rate of 2 to 5 kg per 1 t of sewage. For deodorization of wastewater use 20% chloric lime milk (part 1 200 parts wastewater). In morgues used formalin (water 35-40% solution of formaldehyde - CH2O) in the form of 0.5-1% solution for cleaning walls; to delay decomposition of corpses in a large vein, as well as the abdomen, chest, mouth, injected by syringe about 2-2,5 l of a mixture of 2 parts formalin and 1 part of meth.
For deodorization of indoor air, where food products, apply hot 0.5-1% solution of potassium permanganate with the addition of 0.25-0.5% hydrochloric acid.
For deodorization of air in public areas and food enterprises supplied to the air add ozone (03), which oxidizes volatile organic compounds having a bad smell. Its concentration should not exceed 0.05-0.10 mg per 1 m3 of air space, since large quantities cause toxic effects.
For deodorization of air in public latrines are used liquid following composition: 1 litre of spirits, 15 g fir, 15 g of pine, 40 g eucalyptus, 10 g of lavender and 10 e celery oil. A mixture of impregnated sawdust and charged metal boxes - ozonizers. For deodorization of air in the apartments comes "Deodorant liquid", containing izobilnoe oil, and Deodorizer" - tablets melted naphthalene.