This study reviews the available and most commonly used methods of gas deodorization. Comparing various odor removal, undoubtedly biological pollution degradation have an advantage over others—chemical physical. is manifestedmainly in ecological economic terms. The possibility using to remove H2S NH3, as common emitted by municipal sector companies, was analyzed terms their removal efficiency. ...

background: untreated leachate is being discharged into the environment in many countries worldwide. leachate treatment methods have not been unified so far due to the variable composition of leachate. moreover, the lack of appropriate treatment and disposal of leachate causes environmental pollution. this study aimed to compare removal efficiency of chemical oxygen demand (cod) and total suspe...