concentration

Duration (min)

% of dye removal at 75 (ppm)

% of dye removal at 100 (ppm)

% of dye removal at 125 (ppm)

% of dye removal at 150 (ppm)

% of dye removal at 175 (ppm)

% of dye removal at 200 (ppm)

10

45

48

52

55

60

63

20

56

58

60

60

61

60

30

66

66

66

64

63

62

40

77

79

73

68

68

68

50

86

83

79

72

70

69

60

94

87

84

75

72

70

70

100

91

89

78

74

71

80

-

95

93

80

75

72

90

-

100

96

82

76

73

100

-

-

98

84

77

74

110

-

-

99

86

78

75

120

-

-

100

87

79

75