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[½»Á÷] ¡¾ÇóÖú¡¿active space time ÊÇʲôÒâ˼£¿£¿

ÔÚParametric investigation of the calcium looping process for CO2  capture in a
dua fluidized bed   Ìáµ½Ò»¸ö active space time  ÊÇʲô¸ÅÄ£¿£¿space time
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370970565

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ÄÜ·ñ°Ñ´øÓÐactive space time  µÄ²¿·ÖÌù³öÀ´  ²»½áºÏ¾ä×ÓÔõô·ÖÎö°¡   »îԾʱ¿Õ
×·Çó׿Խ³É¹¦»áÔÚ²»¾­Òâ¼ä×·ÉÏÄã
2Â¥2010-10-25 09:21:59
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½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
Originally posted by 370970565 at 2010-10-25 09:21:59:
ÄÜ·ñ°Ñ´øÓÐactive space time  µÄ²¿·ÖÌù³öÀ´  ²»½áºÏ¾ä×ÓÔõô·ÖÎö°¡   »îԾʱ¿Õ

Basedontheaboveanalysis,
a furtherparametertohelpanalyzethecaptureefficiency,active
space time,isdefinedas:
active = nCafa/FCO2

CCO2 CO2 concentration influegas(mol/m3)
CCO2,eq equilibrium CO2 concentration (mol/m3)
dp particle size(m)
dp50 median particlesize(m)
ECO2 CO2 capture efficiency(%)
e0 sorbent particleporosity
fa free activeCaOfraction(mol%)
F0 CaCO3 make-up flowandpurge(mol/h)
FCa calcium loopingratebetweenreactors(mol/h)
FCa/FCO2 calcium loopingratio
FCO2 CO2 flow tothecarbonator(mol/h)
Fgas flue gasflowotherthanCO2 (mol/h)
ks surface carbonationrateconstant(m4 mol/s)
N carbonation¨Ccalcination cyclenumber
nCa amount ofcalciumincarbonator(mol)
S0 initial CaOsurfacearea(m2/cm3)
Tcarb carbonator temperature(?C)
Xmax CaO averageCO2 carrying capacity(mol%)
Xcarb CaO carbonationconversion(mol%)
yCO2 vol. percentageofCO2 in gas(vol.%)
Greek letters
 carbonator spacetime(h)
active active spacetime(h)
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3Â¥2010-10-25 18:55:44
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