Using the information presented below, estimate the energy content in kilojoules(kj)/kg of the waste before and after recycling. The recycling program removes 40% of paper, 70% of cardboard, 33% of plastics, 25% of glass, and 22%

of tin cans.

Waste Item Weight (kg) Energy (kf/kg)

Paper Cardboard Plastics Textiles Rubber Yard wastes Food wastes Wood Glass Tin cans Other metal Dirt, ash, etc.

Total 34.0 6.0 7.5 2.0 0.5 18.5 9.0 2.0 8.5 6.0 3.0 3.0 100.0 16,280 15,820 33,030 17,440 23,260 6,510 4,880 18,610 160 700 700 6,980 If the minimum energy content required for an incinerator is 9,300 kj/kg, are the waste streams before and after recycling suitable for incineration?