New Waste Treatment Plant In Operation At N. C. Finishing fi4-- ■ : , i i ■'! ' . -k, :;i., Lars:e aerating basin has 12 50-hp aerators which discharge water as spray, allowing it to pick up oxygen from air. new waste treatment plant re- ,'Wly put iutu operation at the North r^folina Finishing Co. division at Salis- ’**'5' is shown in the accompanying pic- J'®s. Xhe system is designed to remove •ids and restore oxygen to the millions I , j Sallons of water used by the plant ®f®re it goes hack to the Yadkin River. I ^'^aste is first pumped into a large fating basin which holds 10 million !'Ions of water, enough to allow three »ll days of aerating. In the aerating "oess, fast-driven propellers spray the *'Hi or as shown in the pictures, bring- •t into contact with air from which Ificks up oxygen. I^from the aerating basin, the water “'Vs to a chlorine contact basin where 'orine is added, further purifying the ^^Or before it is returned to the river. This IS close-up showing spraying action of aerators at waste treatment plant. -s’ ' '' i " . , -A - A- •». "I * ~ After being aerated, water flows to chlorine contact basin where it is further purified before being returned to river. '^NDAY, JUNE 2 2, 1 9 7 0 ei