Document myQpKXvypb2ekQexLkVxnE00

ANION UNITS VALVE IDENTIFICATION A Service Inlet B Caustic Dilution Water C Backwash Outlet E Service Outlet F Caustic Inlet Gc Caustic Supply J Rinse Outlet K Wasc Valve N3 Rinse Control S Steam Inlet V Vent Valve R Rinse Recycle W Backwash Inlet January 1971 VALVE SEQUENCE Steps Valves Open 1. Secondary Backwash W-2, C-2, N3, K, A-l 2. Primary Backwash W-l, C-l, n3, k 3. Caustic Introduction S, Gc, F-l, F-2, F-3 J-l, n3, k 4. Displacement S, F.-1, F-2, F-3, J- -V* K 5. Primary Rinse 6. Primary Recycle 7. Secondary Rinse 8. Secondary Recycle 9. Service A-l, A-l, A-l, A-l, A-l, J-l, J-l, A-2, A-2, A-2, n3, k n3, r J-2, N3, J-2, S3, E K R DO C.ONf Page 637