DESIGN AND OPTIMIZATION FOR HAZARDOUS JAROSITE WASTE RECYCLING IN ENVIRONMENTALLY SUITABLE COMPOSITE PRODUCTS USING RESPONSE SURFACE METHODOLOGY - Management of Hazardous Residues Containing Cd - page 82

reaction, the presence of silica and alumina in PCCRs significantly contributed
for the formation of new crystallite phases leading to detoxify the toxic
substance in the jarosite waste.
Actual Components:
X 1 =A: Jarosite = 515 g
X 2 = B: Clay = 282.5 g
X 3 = C: PCCRs = 202.5 g
Figure 11. Response trace plot for compressive strength of s/s sintered Jarosite waste-
clay-PCCRs composite bricks.
Figure 12. Response contour plot for compressive strength of s/s sintered Jarosite
waste -clay PCCRs composite bricks.