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kan superkritische oxidatie van zuiveringsslib een alternatief ... - Stowa

kan superkritische oxidatie van zuiveringsslib een alternatief ... - Stowa

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Oriënterende vergelijkende studie tussen<br />

<strong>superkritische</strong> vergassing en <strong>superkritische</strong> <strong>oxidatie</strong><br />

STOWA 2013-W02 <strong>kan</strong> <strong>superkritische</strong> <strong>oxidatie</strong> <strong>van</strong> <strong>zuiveringsslib</strong> <strong>een</strong> <strong>alternatief</strong> zijn voor <strong>superkritische</strong> vergassing?<br />

maSSa- en energiebalanS SuperkritiSch oxiDeren<br />

Process'flow'diagram'&'warmte'balans<br />

Legenda:<br />

(:(Stoom Horizon(Solution(BV<br />

(:(Water Schipholweg(103<br />

(:(Slib 2316(XC((LEIDEN<br />

tel:(071(5(249(239<br />

info@horizonsloutions.nl<br />

Medium<br />

Debiet (T(((ºC) (P((bar(a))<br />

h((kJ/kg) (P((kW) (overig<br />

52<br />

Pe(pomp<br />

0,63(kW<br />

2,5(bar(a)<br />

Cooling(water<br />

Cooling(water<br />

9,900(kg/s 28(ºC 2,0(bar(a)<br />

9,900(kg/s 15(ºC<br />

118(kJ/kg 1.171(kW<br />

63(kJ/kg 626(kW<br />

Condensate<br />

46(ºC 1,3(bar(a)<br />

49(kW<br />

0,254(kg/s<br />

192(kJ/kg<br />

(<br />

(<br />

(<br />

(<br />

Condensor(<br />

0,1(bar(a)<br />

Steam<br />

46(ºC<br />

594(kW<br />

0,254(kg/s<br />

2.333(kJ/kg<br />

Ne 26%<br />

P(gen<br />

218(kW<br />

G<br />

((Steam(Turbine(<br />

1,4(bar(a)<br />

Pegging(steam<br />

0,028(kg/s 124(ºC<br />

2.721(kJ/kg 75(kW<br />

24,0(bar(a)<br />

Steam<br />

375(ºC<br />

899(kW<br />

3.186(kJ/kg<br />

0,282(kg/s<br />

(<br />

(((((((((((((((((Deaerator(<br />

CO2,(O2,(N2<br />

1,3(bar(a)<br />

Boiler(feedwater<br />

0,282(kg/s 105(ºC<br />

440(kJ/kg 124(kW<br />

Pe(pomp<br />

0,81(kW<br />

0,282(kg/s 105(ºC 24,0(bar(a)<br />

442(kJ/kg 125(kW<br />

(<br />

(<br />

(<br />

Steam(Boiler(<br />

(<br />

(<br />

(<br />

(<br />

Gas(/(Liquid(<br />

((Separator(<br />

Effluent(cooler Pressure(release<br />

250,0(bar(a)<br />

processed(sludge<br />

0,463(kg/s 385(ºC<br />

2.192(kJ/kg 1.016(kW<br />

1,0(bar(a)<br />

0,463(kg/s 61(ºC<br />

256(kJ/kg 118(kW<br />

cooling(heat(to(sludge<br />

123(kW<br />

0,463(kg/s 56(ºC 250,0(bar(a)<br />

256(kJ/kg 118(kW<br />

processed(sludge<br />

0,463(kg/s 120(ºC 250,0(bar(a)<br />

521(kJ/kg 242(kW<br />

Sludge<br />

0,063391204<br />

5477<br />

Pure(water,(inorganics<br />

( Heater<br />

((((((((((((((((((((Heater(<br />

sludge<br />

0,300(kg/s 400(ºC 250,0(bar(a)<br />

2.579(kJ/kg 774(kW<br />

Sludge<br />

0,300(kg/s 114(ºC 250,0(bar(a)<br />

497(kJ/kg 149(kW<br />

Economiser<br />

cooling(heat(to(sludge<br />

123(kW<br />

Gas<br />

(<br />

(<br />

(<br />

(<br />

(((((Oxygen(<br />

250,0(bar(a)<br />

sludge<br />

400(ºC<br />

774(kW<br />

0,300(kg/s<br />

2.579(kJ/kg<br />

Pe(pomp<br />

14(kW<br />

(<br />

(<br />

(<br />

(((((Reactor(<br />

250,0(bar(a)<br />

cooling(water<br />

0,100(kg/s 600(ºC<br />

3.494(kJ/kg 349(kW<br />

(<br />

(<br />

(((((((((((((Oxygen(<br />

((((<br />

(((((((((((((heater(<br />

0,063(kg/s 400(ºC 250,0(bar(a)<br />

376(kJ/kg 24(kW<br />

P(verbr.<br />

834 kw<br />

Pe(pomp<br />

250,0(bar(a)<br />

0,063(kg/s 15(ºC 250,0(bar(a)<br />

14,115 1(kW<br />

processed(sludge<br />

0,363(kg/s 620(ºC<br />

3.552(kJ/kg 1.291(kW<br />

250,0(bar(a)<br />

Sludge<br />

15(ºC<br />

26(kW<br />

0,300(kg/s<br />

87(kJ/kg<br />

1,0(bar(a)<br />

21%(ds<br />

Sludge<br />

15(ºC<br />

19(kW<br />

0,300(kg/s<br />

63(kJ/kg<br />

cooling(water<br />

0,100 15(ºC 250,0(bar(a)<br />

87(kJ/kg 9(kW<br />

Figuur 6: Massa-­‐ en energiebalans <strong>superkritische</strong> <strong>oxidatie</strong>

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