Q.X.Muftaydinov, H.M.Qodirov, E.Yu.Yulchiyеv Ekologiya.
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Indirect discharge
– Sewage from a non-domestic source of pollutants
into amunici pal (often state-owned) wastewater treatment system.Indirect
discharges can be of commercial
or industrial facilities, which must pretreat their
wastes before discharge into the municipal sewers. Indirect discharges also may
apply leachates, etc., from, for ehample, the waste deposal
sites that contaminate
underground waters.
Biogaz
– tsellyulozalik anaerob organizmlar bilan metanli bijg‘ish
bakteriyalari ishtirokidagi organik chiqindilarning (go‗ng, somon, maishiy
chiqindilar) parchalanishi jarayonida hosil bo‗ladigan gazlar aralashmasi.
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