DESIGN AND OPTIMIZATION FOR HAZARDOUS JAROSITE WASTE RECYCLING IN ENVIRONMENTALLY SUITABLE COMPOSITE PRODUCTS USING RESPONSE SURFACE METHODOLOGY - Management of Hazardous Residues Containing Cd - page 83

Actual Components:
X 1 = Jarosite = 515 g
X 2 = Clay = 282.5 g
X 3 = PCCRs = 202.5 g

151.38 151.38

112.75 112.75

74.12 74.12

35.49 35.49

X1 (890 g) X1 (890 g)

X2 (110 g) X2 (110 g)

X3 (615 g) X3 (615 g)

X3 (0 g) X3 (0 g)

X1 (275 g) X1 (275 g)

X2 (725 g) X2 (725 g)

Figure 13. Response 3D graph for compressive strength (kg/cm 2 ) of s/s sintered
Jarosite waste-clay -PCCRs composite bricks.

Actual Components:
X 1 =A: Jarosite = 515 g
X 2 = B: Clay = 282.5 g
X 3 = C: PCCRs = 202.5 g

Figure 14. Response trace plot for water absorption (%) of s/s sintered Jarosite waste -
clay -PCCRs composite bricks.