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Table 4 Characterization of greasy water, our own analysis in comparison with literature values

From: Biogas and nutrients from blackwater, lawn cuttings and grease trap residues—experiments for Hamburg’s Jenfelder Au district

Parameter

Unit

Own analysis

Literature

No. of samples

AWW

FNR 2006 [13]

Deegener [7]

Average ± SD

Min–max values

Average ± SD

DM

%

6

2.32 ± 0.22

2–70

4.52 ± 4.03

oDM

% DM

6

81.59 ± 11.31

75–93

88.4 ± 10.5

COD

mg/l

7

63,374 ± 33,582

–

63,900 ± 56,500

TOC

mg/l

7

9158 ± 2805

–

16,100 ± 13,600

TN

mg/l

7

567 ± 230

0.1–3.6 % DM

540 ± 520

NH4 +/NH3-N

mg/l

–

–

0.02–1.5 % DM

–

pH

–

4

4.54 ± 0.32

–

4.1 ± 0.7

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Energy, Sustainability and Society

ISSN: 2192-0567

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