... .2> Environmental-friendly: a: Emission Standard: Adopting special gas scrubbers to remove acid gas and dust from smokeb: Smell during operation ... 's workers on operation, maintenance, etc. 3. Supply layout according to buyer's workshop and land, civil works information, operation manuals ... ,Brazil,Nigeria,Philippines,Romania,Albania,Cote d'lvoire, United State Waste oil to diesel plant with CE and SGS