采矿和建筑材料能否联手打造更环保的未来？.pdf

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1、Can Mining and Construction Materials Join Forces for a Greener Future?Mining Industry Big producer of mine waste materials Construction Industry Can mine wastes be used as alternative construction materials?Can Mining and Construction Materials Join Forces for a Greener Future?MIT Global Summit on

2、Mine Tailings Innovation September 19-20,2024I Presented by:Yassine Taha I Email:yassine.tahaum6p.maMining industry challenges2Source:Rick K.Valenta et al.,202312 billion tons45 billion tons205020221 billion tons7 billion tons205020220.1 billion tons2.6 billion tons20502022 Around 50 to 100 billion

3、tons of mine waste are produced annually This amount will increase more in the future due to lower-grade ores At the end,mining is producing a LOT of waste rock and tailings Construction materials DOMINATE resource consumption 3In the construction sector only:22 billion tons of aggregates(gravel,san

4、d,crushed rocks,additives)3.6 billion tons of cement 2.5 billion tons of water Mine waste could be used as construction and building materials to replace sand,gravel,clays,limestone,etc.Source:OECD Global Material Resources Outlook to 2060Reuse as construction materialsClinker&Cementitious materials

5、Glass&CeramicsConcrete aggregates GeopolymersRoads constructionSource:Scopus Case study:Phosphate waste streams5Phosphate orePretreatment waste rockPhosphate rockHow to change things for a sustaianble resources management?6Actions to MANAGE ALREADY DISPOSED mine waste?13km16kmPhosphate mine Morocco

6、FUTURE ACTIONS to change CURRENT EXTRACTION&PROCESSING methods?Phosphate tailings Morocco 1.6 KmPhosphate Mine WASTE ROCK-Future Actions 7Phosphate mine Morocco Actions to MANAGE ALREADY DISPOSED mine waste?13km16kmPhosphate Mine WASTE ROCK-Future Actions 8Actions to MANAGE ALREADY DISPOSED mine was