ENGINEERING MATERIALS LAB CHEMICAL WASTE DISPOSAL SOP

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ENGINEERING MATERIALS LAB CHEMICAL WASTE DISPOSAL SOP Dr Muhammad Zaimi

Liquid heavy metal ions Ammonia mixed with heavy metal

Acidic inorganic liquid (HCL,H2SO4) can be combined (10 L/ year)

Nitric acid

Organic acid (acetic acid, formic acid)

Citric Acid Continuous Water Dilution

Ammonia unused ammonia must dilute with water 1 part ammonia with 10 parts water

Ceramic particles suspension (fly ash, quarry dust, alumina oxide, Boron nitride, ZNO, Zirconia Oxide, FeO) SW 204

Coolant Waste FKP Coolant Waste Drum

Organic solvent Acetone, alcohol, ethylene glycol, polyethylene glycol, propanol, butanol, chloroform, toluene, benzene, mineral oil

Powder waste containing metallic particles (SW 104)

COMPOSITES WASTE

Polyester (SW 303) Epoxy

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

Inorganic solvent = NaOH Small Amounts = Water Dilution Large Amounts = Big Glass Container

CERAMICS LAB

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)

Sol gel (solvent + ceramic + metal) (SW 317 )

POLYMER LAB

Polymer/Composite Waste = Liquid waste

Glass waste SW 409