Cement, Energy and Environment

Sustainable Development CEMENT INDUSTRY IN JAPAN 2012- DRIVING TOWARDS A SUSTAINABLE SOCIETY Principal uses and consumption of wastes and by-products in Cement Industry (Unit: 1,000 tons) Type Used for FY2005 FY2006 FY2007 FY2008 FY 2009 FY2010 FY2011 Blast furnace slag Raw materials, 9,274 9,711 9,304 8,734 7,647 7,408 8,082 Admixture Coal ash Raw materials, 7,185 6,995 7,256 7,149 6,789 6,631 6,703 Admixture Sewage sludge, Raw materials 2,526 2,965 3,175 3,038 2,621 2,627 2,673 Sludge By-Product gypsum Raw materials 2,707 2,787 2,636 2,461 2,090 2,037 2,158 (Additive) Waste soil from Raw materials 2,097 2,589 2,643 2,779 2,194 1,934 1,946 construction Incineration ash Raw materials, 1,189 982 1,173 1,225 1,124 1,307 1,394 (excluding coal ash), Heat energy Soot, Dust Non-ferrous slag Raw materials 1,318 1,098 1,028 863 817 682 675 Wood chips Raw materials, 340 372 319 405 505 574 586 Heat energy Foundry sand Raw materials 601 650 610 559 429 517 526 Steel slag Raw materials 467 633 549 480 348 400 446 Waste plastics Heat energy 302 365 408 427 440 418 438 Waste oil Heat energy 219 225 200 220 192 275 264 Waste white clay Raw materials, 173 213 200 225 204 238 246 Heat energy Recycled oil Heat energy 228 249 279 188 204 195 192 Waste tire Raw materials, 194 163 148 128 103 89 73 Heat energy Meat and Bone Meal Raw materials, 85 74 71 59 65 68 64 Heat energy 'I Coal mining waste Raw materials, 280 203 155 0 0 0 0 Heat energy Others 468 615 565 527 518 595 606 43