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ENGINEERING MATERIALS LAB CHEMICAL WASTE DISPOSAL SOP
Dr Muhammad Zaimi
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Liquid heavy metal ions
Ammonia mixed with heavy metal
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Acidic inorganic liquid (HCL,H2SO4) can be combined (10 L/ year)
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Nitric acid
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Organic acid (acetic acid, formic acid)
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Citric Acid Continuous Water Dilution
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Ammonia unused ammonia must dilute with water
1 part ammonia with 10 parts water
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Ceramic particles suspension (fly ash, quarry dust, alumina oxide, Boron nitride, ZNO, Zirconia Oxide, FeO) SW 204
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Coolant Waste FKP Coolant Waste Drum
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Organic solvent Acetone, alcohol, ethylene glycol,
polyethylene glycol, propanol, butanol, chloroform, toluene, benzene, mineral oil
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Powder waste containing metallic particles (SW 104)
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COMPOSITES WASTE
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Polyester (SW 303) Epoxy
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Composites waste Natural fibre (Jute, kenaf) Inorganic fibre (CaO, graphene, carbon, fibreglass, aramid fibre, kevlar, recycled carbon fibre waste, asphalt) All the above waste must go into = fibre and composite drum
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Inorganic solvent = NaOH
Small Amounts = Water Dilution Large Amounts = Big Glass Container
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CERAMICS LAB
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Ceramic Powder Waste (SW 104)
Metal powder waste (SW 104) Graphene, carbon material (SW 104) Metal oxide PARTICLE (SW 104) Fibre/Metal particle (SW 104)
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Sol gel (solvent + ceramic + metal) (SW 317 )
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POLYMER LAB
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Polymer/Composite Waste = Liquid waste
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Glass waste SW 409
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