Thesis - faculty.ait.ac.th - Asian Institute of Technology
Thesis - faculty.ait.ac.th - Asian Institute of Technology
Thesis - faculty.ait.ac.th - Asian Institute of Technology
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Table C-5 Experimental Results for Lead Toxicity <strong>of</strong> Mixed B<strong>ac</strong>teria Sludge at COD Concentration <strong>of</strong> 7.0 mg/L<br />
Pb(NO3)2<br />
(mg/L)<br />
OURx,t<br />
(mg O2/mg VSS. h)<br />
OURx,e<br />
(mg O2/mg VSS. h)<br />
154<br />
OC<br />
(mg O2/L)<br />
OURx,ox<br />
(mg O2/mg VSS. h)<br />
OC/S<br />
rx<br />
(mg COD/mg VSS. h)<br />
Yvss<br />
(mg VSS/mg COD)<br />
0 0.0078 0.0031 3.30 0.0047 0.47 0.0100 0.39 0.09<br />
20 0.0061 0.0038 2.77 0.0023 0.40 0.0058 0.44 0.06<br />
50 0.0051 0.0038 2.22 0.0013 0.32 0.0041 0.50 0.05<br />
70 0.0042 0.0036 1.65 0.0006 0.24 0.0025 0.56 0.03<br />
100 0.0032 0.0031 0.95 0.0001 0.14 0.0007 0.64 0.01<br />
Table C-6 Experimental Results for Lead Toxicity <strong>of</strong> Mixed Yeast Sludge at COD Concentration <strong>of</strong> 5.6 mg/L<br />
Pb(NO3)2<br />
(mg/L)<br />
OURx,t<br />
(mg O2/mg VSS. h)<br />
OURx,e<br />
(mg O2/mg VSS. h)<br />
OC<br />
(mg O2/L)<br />
OURx,ox<br />
(mg O2/mg VSS. h)<br />
OC/S<br />
rx<br />
(mg COD/mg VSS. h)<br />
Yvss<br />
(mg VSS/mg COD)<br />
0.0 0.0031 0.0008 1.62 0.0023 0.29 0.0080 0.50 0.09<br />
2.5 0.0022 0.0007 1.32 0.0015 0.24 0.0064 0.53 0.08<br />
5.0 0.0023 0.0012 1.31 0.0011 0.23 0.0047 0.54 0.06<br />
15.0 0.0017 0.0009 1.33 0.0008 0.24 0.0034 0.53 0.04<br />
25.0 0.0013 0.0010 2.68 0.0003 0.48 0.0006 0.36 0.01<br />
µ<br />
(day -1 )<br />
µ<br />
(day -1 )
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