ARCHIVED REPORTS_1994 - Laserfiche WebLink

Home Browse Search

Compost Mass Balance Forward RCSI ssum tions Type of biosolids Digested Design condition Wet weather,averse conditions No amendment or rec cled co st Biosolids/Food Processing Residue/Septic Tank Pum in s/Holdin Tank Pum in s/Grit/Grease Total solids concentration % 15 Volatile solids % 70 Percent VS de radation durin composting % 20 Green waste/Wood Waste/MSW Moisture content % 50 Volatile solids % 90 ` Percent VS degradation during composting % 33 Amendment Moisture content % 40 Volatile solids % 90 Percent VS degradation during composting % 33 Recycle compost Moisture content % 50 Percent VS degradation during compostin2 % 10 Overs from screening Percent overs from screening 25 ,4rcent com ostable overs 80 xcent VS degradation during composting % 20 Dail Quantities Assumes 260d r year operation) Location Description Wet Percent DDens' Volume Percent Volatile Tons Solids To Ibs/CY CY 1 Volatile Solids Solids tons 1 Biosolids/Food/Se tic/Etc. 3001 15 45 1,650 364 70 32 2 Green waste/Wood/MSW J "700 501 350 650_ 2,154 90 315 3 Ammendment D 60 0 500 0 90 0 4 Water 0 0 0 1;680 D 0 0 5 Recycled compost D 50 0 900 0 82 0 6 Com stable overs 85 50 43 600 283 80 34 7 Initial compost mixture 1,0851 401 438 1.000 2,170 87 381 8 Evaporation/decomposition -444 -117 -117 9 Mixture from composting 641 50 320900 1,424 82 263 10 Recycled compost 0 50 0 900 0 82 0 11 Compost to screening 641 50 320 900 1,424 821 263 12 Com ostable overs 85 50 43 6001 285 80 34 13 Trash 43 80 34 1,200 71 30 10 14 Final com ost groduct 513 50 244 !900 1,139 90 219 1 Water ex ressed in allons per da . Indicates assumption that must be manually input W(weight of watertwei ht volatiles destroyed during com ostin = 5.53 Generally W less than orequal to 10 indicates initial mixture has sufficient depreciable material to achieve tem eratures for pathogen reduction. FN:dtr/a:\COMMASW.XLS Page 1 of 1 Printed:9/14/94 6:06 PM