Scenario 0 Scenario 1A Scenario 1B Scenrio 2 Scenario 3 Scenario 4
Scenario units No treatment Centrifug Centrifug Centrifuge + dryer Centrifuge + Evaporation Thickening
Digestate 100 000 t 100 000 100 000 100 000 100 000 100 000 100 000
Mechanical separation t 0 22 222 100 000 100 000 100 000 0
Evaporation t 0 0 0 0 35 000 0
Drying t 0 0 0 10 000 0 50 000
Raw TS ca 4-5% t 100 000 77 778 0 0 0 50 000
Recirkulated liquid fraction 20000 t 20 000 20 000 20 000 20 000
Thickened TS: 6% t 33 000 Liquid TS 1,5-2% t 0 70 000 70 000 35 000 Solid TS 25-26% t 2 222 10 000 0 13 000 Dry TS ca 85% t 3 000 Dryer Evaporate TS < 0,1% t 7 000 Evaporate TS < 0,1% t 32 000 17 000
Solid storage 700 SEK/t - 259 257 1 166 667 3 500 000 1 516 667
-Hall 20 000 SEK/m2 - 800 000 800 000 2 800 000 800 000 0
Intermediary tank 100m3 400 000 SEK - 400 000 400 000 400 000 400 000
-Investment 1 459 257 2 366 667 6 700 000 2 716 667 0
Interest 5% year 5% 5% 5% 5% 5% 5%
Economic life 25 years 25 25 25 25 25 25
SEK/year 0 103 538 167 921 475 381 192 754 0 Centrifuge 1 000 000 SEK - 740 000 1 000 000 1 000 000 1 000 000 Dryer 4 000 000 SEK - 4 000 000 Evaporation 15 000 000 SEK - 15 000 000 Thickener 3 700 000 SEK/st 7 400 000 SEK - 500 000 500 000 500 000 500 000 500 000 other 15% SEK/year - 404 889 580 000 1 830 000 2 882 500 1 185 000 SEK 1 644 889 2 080 000 7 330 000 19 382 500 9 085 000 Interest 5% %/year 5% 5% 5% 5% 5% 5%
Economic life 10 years 10 10 10 10 10 10
SEK/year 0 213 021 269 370 949 269 2 510 122 1 176 549
SEK/year 0 316 558 437 290 1 424 650 2 702 877 1 176 549
Repair costs 2% SEK/year 24 800 30 000 110 000 330 000 158 000
0,5 SEK/kWhel winter
0,4 SEK/kWhel summer
0,05 SEK/kWhth
Additive H2SO4 20 SEK/t feed 200 000 700 000 1 000 000
Centrifuge 3,5 kWhel/t 38 889 175 000 175 000 175 000 45 kWhel/twater 126 000 800 kWhth/twater 280 000 12 kWhel/twater 153 600 400 kWhth/twater 640 000 12 kWhel/twater 81 600 1000 kWhth/twater 850 000
Added personell cost 18 300 SEK/machine/month 0 219 600 219 600 329 400 329 400 109 800
Tot SEK/year 0 283 289 424 600 1 220 400 2 328 000 2 199 400
Pumpable t 100 000 77 778 70 000 70 000 35 000 83 000
Solid t 0 2 222 10 000 3 000 13 000 0
Mean distance based on disposal ability
liquid
40 km 40 40 40 40 40 40
Transport cost 1,3 SEK/km/tliquid 5 200 000 4 044 446 3 640 000 3 640 000 1 820 000 4 316 000
Mean distance based on disposal ability solid 40 km 40 40 40 40 40 40
Transport cost 0,9 SEK/km/tsolid 0 80 888 364 000 109 200 473 200 0
SEK/year 5 200 000 4 125 334 4 004 000 3 749 200 2 293 200 4 316 000
Water recirculated -10 SEK/year 0 -200 000 -200 000 -200 000 -200 000 0
NPK cost -30 SEK/t -3 000 000 -3 000 000 -3 000 000 -3 000 000 -3 000 000 -3 000 000
Spreading cost 30 SEK/t 3 000 000 2 400 000 2 400 000 2 190 000 1 440 000 2 490 000
Ammonium loss 10% % 0 0 0 30 000 0 150 000 SEK/year 0 -600 000 -600 000 -810 000 -1 560 000 -510 000 SEK/year 5 200 000 3 808 622 3 828 600 4 159 600 3 061 200 6 005 400 SEK/t 52 38 38 42 31 60 SEK/year 5 200 000 4 125 181 4 265 890 5 584 250 5 764 077 7 181 949 SEK/t 52 41 43 56 58 72 SEK/year 0 1 074 819 934 110 -384 250 -564 077 -1 981 949 SEK/t 11 9 -4 -6 -20 Year 3 5 -37 -39 -5 Tot Evaporation Thickener Investment Output value Costs (Revenue)
Net fertilizer cost Running costs (no investment)
Total
Net cost Savings against no treatment
Payoff Net cost Savings against no treatment Transportation Process name Plant output Treatment output (tonne/year) Operating costs Investment Annuity
Installement (pipes, pumps, electricity)
Annuity Total investment annuity Processed digestate
Direct energy use