CONVENTIONAL DEINKING VARIABLE COSTS
Description Quantity Unit Unit Cost,(US$) Contribution, $/ton
Fiber 1.5 ton 220 US$330.00
NaOH 0.024 ton 400 US$9.60
Peroxide 0.024 ton 600 US$14.40
Sodium Silicate 0.022 ton 500 US$11.00
Flotation Aid 0.0027 ton 1,000 US$2.70
Sludge Dewater Polymer 0.00115 ton 1,200 US$1.38
Clarifier Flocculant 0.00014 ton 1,600 US$0.22
Clarifier Bentonite 0.00085 ton 1,600 US$1.36
Electricity 310 kWhr 0.045 US$13.95
Steam 790 kPa 0.25 mton 6 US$1.50
Waste Water Treatment 1.236 m3 0.53 US$0.66
Waste Disposal 0.984 mton 36 US$35.42
Process Water 4.8 m3 0.53 US$2.54
Total Variable Prod. Cost per ton US$424.74