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Compost Mass Balance <br /> - Forward RCSI <br /> 'ssum tions <br /> rype of biosolids Digested <br /> Design condition Dry weather,average 6;�corvditions <br /> No recycled compost and no amendment <br /> r Biosolids/Food Processing Residue/S tic Tank PumpingfHoldingTank Pum in /GrWGrease <br /> t Total solids concentration % 15 <br /> Volatile solids /9 70 <br /> Percent VS degradation during composting % 25 <br /> �— Green waste/Wood Waste/MSW <br /> Moisture content % 30 <br /> Volatile solids % 90 <br /> Percent VS degradation during composting % 33 <br /> Amendment <br /> Moisture content °k 40 <br /> Volatile solids % 90 <br /> Percent VS degradation during composting % 33 <br /> Recycle compost <br /> Moisture content °k 50 <br /> Percent VS degradation during composting % 10 <br /> L J Overs from screening <br /> Percent avers from screens 25 <br /> ?roent com ostable overs so <br /> :rcent VS degradation during m stin % 20 <br /> Daily Quantities Assumes 260 day per year operation) <br /> Location Description Wet Percent Dry Density Volume Percent Volatile <br /> Tons Solids Tons Ibs/CY CY 1 Volatile Solids <br /> fSolids tons <br /> L 1 Biosolids/Food/Se tic/Ect. 333 15 i; 'S0 ;;;;;�;t350 404 70 35 <br /> 2 Green waste/Wood/MSW j i'.;` `.1 1450 701 315; I i W 1,800 90 284 <br /> 3 Ammendment '' p 40 0 , ;!150D� 0 90 0 <br /> L 4 Water 167 0 0?j ;;,�'1; ?' : 000 01 0 <br /> 5 Recycled co st 1 t? 50 0 750 01 83 0 <br /> 6 Co stable overs ;';.4 C 1. ;'SB 60 35!-'"" SQ 258 80 28 <br /> 7 Initial compost mixture 1,008 40 400 i j j .. l 2.240 87 346 <br /> 8 Evaporation/decomposition •522 -108 -108 <br /> 9 Mixture from cornposting 487 11"! i:i8Q 292 i. ° ( -;;;750 1,297... 83 238 <br /> 10 Recycled compost 01 750 0 ; ' ??`;83 0 <br /> 1.1 Compost to screening 487 60 2921 750 1,297 83 238 <br /> 12 Com ostable overs 58 60 35 450 25911; 80 28 <br /> L` 13 Trash 39 .:l i :Aj 31';;:;` t. s, so 9 <br /> 14 Final compost duct 389 60 26 2 '750 1,038 891 201 <br /> 1 Water expressed in gallons per day. <br /> Indicates assumption that must be manualsv in ut <br /> W(weight of water/weight volatiles destroyed during compost! = 5.64 <br /> Generally W fess than orequal to 10 indicates initial mixture has sufficient de radabie material to achieve <br /> temperatures for pathogen reduction. <br /> FN:dtr/a..AMMMASD.XLS Page 1 of 1 Printed:9/14/94 5:59 PM <br /> L <br />