Metoda Pengolahan Limbah Terpilah Pada Industri Penyamakan Kulit

Waste water from leather tanning indu s tries contain s hi gh pollut a nt of organ ic a nd in or g ani c m a tters . F r a gm e nted method o f waste water trea t me n t m an ag em e nt has been don e i n P T K, leather tanning i ndustry, Malang. Thi s me t hod based o n t he c ha rac ter is tic ot th e wa s t e wa t e r fr om e a c h le athe r t a n ning p rocess wi th fo u r group t rea t m en t p roce ss t o redu c e the COD content. By imp l ementing this me t hod th e re s u l t s how s that th e C OD co nt en t dec r e a si n g fr om 4047, 6 8 pp m t o 79 3 ,37 p p m (80,40 % ); other ben e fit is re d ucin g b ad smell d uri n g t he p r o cess .