CHEMICAL PRETREATMENT BEFORE BIOLOGICAL TREATMENT IN SEWAGE PLANTS

[1] ALBERTSON OE, 1969, J WATER POLLUT CONTR, V42, P1467

[2] BARGMAN RD, 1970, 5 P INT C WAT POLL R

[3] ERICSSON B, 1971, P SCANDINAVIAN C CHE, V4

[4] ERICSSON B, 1967, VATTEN, V23, P92

[5] Hartmann L., 1968, J SANITARY ENGINEERI, V94, P247

[6] HENRIKSEN A, 1963, SCHWEIZERISCHE Z HYD, V25, P380

[7] HENRIKSEN A, 1962, SCHWEIZERISCHE Z HYD, V24, P253

[8] HOKERVALL E, 1971, EFFLUENT WATER TREAT, V11, P551

[9] HULTMAN B, 1971, P SCANDINAVIAN C CHE, V4

[10] JENKINS D, 1968, 4 P INT C WAT POLL R

[1] ALBERTSON OE, 1969, J WATER POLLUT CONTR, V42, P1467

[2] BARGMAN RD, 1970, 5 P INT C WAT POLL R

[3] ERICSSON B, 1971, P SCANDINAVIAN C CHE, V4

[4] ERICSSON B, 1967, VATTEN, V23, P92

[5] Hartmann L., 1968, J SANITARY ENGINEERI, V94, P247

[6] HENRIKSEN A, 1963, SCHWEIZERISCHE Z HYD, V25, P380

[7] HENRIKSEN A, 1962, SCHWEIZERISCHE Z HYD, V24, P253

[8] HOKERVALL E, 1971, EFFLUENT WATER TREAT, V11, P551

[9] HULTMAN B, 1971, P SCANDINAVIAN C CHE, V4

[10] JENKINS D, 1968, 4 P INT C WAT POLL R