ASIM User Forum - [Interpretation of Results]

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From: Jack Musterman (jlmassoc@msn.com)
Date: 10/11/2006

I am using ASIM2d and comparing results with my own model. 
ASIM results indicate XI=7000, XH=2700,
XPAO=1000,XAUT=170,XTSS=200 and XPP=320. 
Is the approx MLSS of ASIM results =
(0.9*(2700+1000+170)+(0.75*7000)+200)=(3480+5250+200)=
8930?
Is the average P concentration in the MLSS =
((0.025*(3480)+320)*100)/8930=4.5%?
Is the average P concentartion in the biomass
=((0.025*3480)+320)*100/3480=11.7%?

Thanks for the help with this.
Jack



Reply #1
From: gujer (gujer@eawag.ch)
Date: 10/25/2006
You are not using ASIM2d but ASM2d. ASIM is only the
integration machine. If you are using the original ASM2d
from the ASIM library TSS (=MLSS) already includes all
particulate compounds (look into stoichiometry to see the
details). You may want to consult the original papers, which
have introduced ASM2 and ASM2d.
The P content of MLSS is best obtained by Sum of Xi*iP /
XTSS.

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