135
TABELA 17. Estimativa das porcentagens da DQO total afluente e removida convertidas em metano (CH
4
) e da relação
entre a produção diária de (CH
4
) medida (expressa em g DQO-CH
4
. d
-1
), a DQO dissolvida removida e o
tempo de retenção de sólidos (TRS), a partir das médias diárias de DQO afluente, efluente, removida e
na forma de CH
4
do reator 1 (R1), reator 2 (R2) e do conjunto de reatores UASB (R1 + R2) em dois estágios..
a - unidade: (g DQO
total
(L d
)-1
b- cálculo: a partir da produção diária de CH
4
(L d
-1
) nas CNTP tem-se ((produção diária de CH
4
x16)/22,4)x4=(gDQO-CH
4
.d
-1
)
c- cálculo:SSV do efluente(g/d)/1,48
d- volume do reator (L)*SV do lodo (g L)/SSV
efluente
(g L)
(-) valores negativos
TDH COV
Prod.Diária Prod. Diária DQO
DQO
Relação TRS
DQO
DQO
DQO
DQO
DQO
DQO
DQO
DQO
DQO
CH4 lodo removida removida DQO-CH4 por
(b) © convertida convertida DQO dissolvida
(h) (a)
4
em lodo (%) em CH4 (%) removida (d)
28 11 5438,0 660,0 4778,0 1102,0 256,0 846,0 4336,0 404,0 3932,0 2129,2 294,3 6,8 49,1 5,3 16,7
14 19 9569,0 1882,0 7687,0 3524,0 823,0 2701,0 6045,0 1059,0 4986,0 2343,2 487,6 8,1 38,8 2,2 8,3
R1
28 18 9511,0 1073,0 8438,0 2789,0 508,0 2281,0 6722,0 565,0 6157,0 809,3 671,9 10,0 12,0 1,4 10,0
14 26 13148,0 1224,0 11924,0 1477,0 334,0 1143,0 11671,0 890,0 10781,0 1840,7 398,4 3,4 15,8 2,1 40,7
11 5 1102,0 256,0 846,0 578,0 146,0 432,0 524,0 110,0 414,0 164,5 98,1 18,7 31,4 1,5 9,3
6 15 3524,0 823,0 2701,0 3540,0 625,0 2915,0 _ 198,0 _ 147,5 475,7 _ _ 0,7 4,3
R2 11 12 2789,0 508,0 2281,0 1799,0 331,0 1468,0 990,0 177,0 813,0 95,0 315,1 31,8 9,6 0,5 10,2
6 7 1477,0 334,0 1143,0 1004,0 223,0 781,0 473,0 111,0 362,0 142,5 172,4 36,5 30,1 1,3 34,5
39 5438,0 660,0 4778,0 578,0 146,0 432,0 4860,0 514,0 4346,0 2293,7 392,4 8,1 47,2 4,5 26,0
20 9569,0 1882,0 7687,0 3540,0 625,0 2915,0 6029,0 1257,0 4772,0 2490,7 963,2 16,0 41,3 2,0 12,6
39 9511,0 1073,0 8438,0 1799,0 331,0 1468,0 7712,0 742,0 6970,0 904,3 987,0 12,8 11,7 1,2 20,2
Afluente Efluente Remoção