Table 4 The average changes of effluent COD in different doses of coagulant in the jar test.

From: Investigating the improvement of the quality of industrial effluents for reuse with added processes: coagulation, flocculation, multi-layer filter and UV

Variables

Amount of coagulant (mg/L)

        
 

0

0.03

0.05

0.07

0.1

0.15

0.2

0.25

0.3

Alum (mg/L)

69.2

61.2

50.8

49.65

48.5

46.7

44

40.1

56.7

PAC (mg/L)

69.5

62.3

52.7

51

44.4

39.5

37.6

42.2

44.7

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