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Many industrial processes and sewage treatment facilities produce odours, most of which are of decomposed sulphur compounds. Hydrogen sulphide (H2S), which is a very toxic and corrosive gas, may be the standard indicator among the obnoxious odours and therefore the amount released into the air is required to be regulated strictly. Hydrogen sulphide was efficiently removed from contaminated air by a pilot-scale bio-filter; a column prepared with soil, sawdust and activated sludge materials from the leather industry...

Heavy metals in wastewater are quite important because of being toxic effect for public health. Wastewaters that contain heavy metals are generally caused by industries discharged, either after primary treatment or even no-treatment farmers in Konya use wastewater for irrigation that discharged into canal. This causes soil pollution also decreases plant quality. Heavy metals can reach to humans and animals and causes toxic effects through food-chain. The aim of this study is determining heavy metal accumulation on...