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“The information age’s toxic garbage” A review of electronic waste (e-waste) ... - page 16 / 24

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MIXED PLASTIC WASTE  RECYCLING SOLUTINS-1 (plastic is visible or hidden in the EEE due to insulation, strength, resistance, flexibility and durability)

Thermoset plastics can’t be remelted and formed into new products (circuit boards, switch housings, electrical breakers etc)

Termoplastics can be remelted and formed in new products.

Recyclibility of termoplastic resins is better than termoset resins.

TVs: HIPS, ABS, PPE, PVC, PC

Computers: ABS, HIPS, PPO, PPE, PVC, PC

Micellaneous EEE: HIPS, ABS, PVC, PPE, PC

Composition of consumer electronic plastic resin

There are 3 ways of post consumer plastic recycling in  the EEE.

1. Chemical Recycling: Use mixed-waste plastics as raw materials for petrochemical  processes or as a reductant in a metal smelter. There are 3  processes

a.Depolimerization and Conversion (350-400 C) (Syncrude oil (80%), gas (10%) and solid waste (10%) are produced and sent to petrochemical proceses).

b. Coke Oven Process (carbonization, products are 20% coke, 40% tar, %40 gases (metan and  hydrogen)(Japan-Nippon Steel) .

c. Reducing agent for Fe2O3 (instead of coke) in blast furnace (Sweden).

HIPS: high impact polystyrene, ABS: acrylonitrile butadine styrene (impact protection), PPO: polyphenylene oxide (high temperature), PE: Polyethylene , PVC: polyvinyl cholaride (insulator),    PC: polycarbonate, PPE: poly-phenylene ether.

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