Quarry Southern Africa May 2017 - Page 25

BENEFICIATION Recycled aggregates will play an important role in offsetting the rising price of virgin aggregates. B uilding materials make up around 50% of materials used and solid waste generated globally, and construction and demolition (C&D) waste constitutes up to 22% by mass in landfills across South Africa. If recycled, C&D waste can be a valuable source of secondary materials that can easily be reapplied, so there is no reason for it to be landfilled, particularly when there are constraints on landfill airspace. And while building 'V&&R2&VVW6VB2&6ff"6VGW&W2FW&R&R琦FW"FVFvW"fVRƖ6F2f &W&ǒG&VFVBB676fVBFW&vW&V2FR6&7FW&7F72bf&vvw&VvFW2&RvVFGFW&0&V76VBg&67G'V7FBFVƗFࢄ2dBv7FRfR&VVFW&VBF&VvFPFFFb67&WFRfW2B6V֖62rFW"FFFfW2F2V2FBFWfRF&R&W&ǒ&6W76VB&Vf&RFW6&R&WW6VB( FVfFb&V76VBvw&VvFW0VVG2F&R'FVBF7&V6RFRWfVb&VƖ&ƗGbFFB7FF7F72BFV6W&vRFR76&RW6Rb&V76V@vw&VvFW2FR7B&&FPƖ6F( 626V"F&V7F"bFPvw&VvFRB6B&GV6W'2766F`6WFW&g&67666&FrFV"f"F2FVBf"6V6F'FW&2F&V6Pf&R&GV7B&W"VƗG6G&&6VGW&W2VVBF&RW7F&Ɨ6VB@VVFVBR62FB6WFg&6( 0vw&VvFR&GV6W'2&RFR&6W70bG&vrW2FVf&Ɨ6RFPw&vr&V76ƖrGW7G'F2v&RWV2b&VGV6rFR7BbV''pB67G'V7FW"Vf&VB2vV26&GFr&W6W&6R66&6Gw&VVW"7GW&W0&V76Ɩr2FR7@Vf&VFǒg&VFǐWFBbFVƖrvF2dBv7FRVB`FfB6W&F&V76Ɩr2FR7BVf&VFǐg&VFǒWFBbFVƖrvF2dBv7FRVBbFfB6W&F'FW@#VV&WƒWB#rF22খ'FB66FW&FvfVFRw&vpf7W2w&VV'VFrB7W7F&ƗGƖ֗FrFRVBbFW&Ff026&&GBǒ&V6W6R`Vv6FfR&WV&VVG2'WB6&V6W6R`Bf&ƗGw&VV6R2&fB&v6FW7F&Ɨ6VB#'FRvW7FW&6PvfW&VBF7W'BFRFWfVV@bFRw&VVV6גFR&Vv@v&2vF'W6W76W2fW7F'26FV֖BvfW&VBFVV6FPfW7FVBBVVBFVF`w&VVFV6vW2B6W'f6W2RbFP&V2FBw&VV6R27W'&VFǒf7W6p2FR&V76ƖrB&WW6Rb'VFW'>( 'V&&R66&FrFFR&v6F( 2#`GW7G''&Vb'VFW'>( 'V&&S'GVFW0&6W76rBƖ6FFW&R2w&vpT%%4#r#