Sludge Type

Cake Moisture Level (wt%)

Reduction in Moisture Level (A) (B)

wt %

Reduction in Weight of Sludge Cake

(A) to (B)

wt%

General Dehydrators (A)

ELODE (B)

Municipal

WWTP

Mixing sludge

82~86

60~64

22.0

64.0

Digest sludge

81~85

61~65

18.0

56.0

Surplus sludge

81~85

62~65

18.0

55.0

Sewage WWTP

Digest sludge

82~86

60~64

22.0

64.0

Surplus sludge

80~84

61~65

17.0

56.0

Butchery WWTP

Mixing sludge

86~90

67~71

19.0

69.0

Surplus sludge

84~88

65~69

18.0

62.0

Industrial WWTP

Paper Mill

55~59

34~39

21.0

42.0

Leather

80~84

63~67

15.0

53.0

Starch

86~90

66~71

18.0

65.0

Alcohol

82~86

63~67

16.0

54.0

Food

86~90

65~70

21.0

69.0

Chemical

82~86

65~69

18.0

60.0

Fishery

84~88

62~66

22.0

64.0

Dyeing

74~78

50~54

22.0

68.0

Metal Processing

56~60

40~44

17.0

56.0

Plating

83~87

63~67

18.0

60.0

Stone Processing

75~81

62~65

13.0

48.0

Painting

81~85

60~64

20.0

60.0

Steel Mill

84~87

64~68

19.0

62.0

The data shows the average values and the difference is according to type of sludge and environmental condition.