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Table 1

Sources and characteristics of anaerobic sludges used for PCE and TCE inhibition tests

Sludge codeWastewater typeReactor typeSludge appearanceDiameter (mm)VSa (%)TSb (%)VS/TS (%)
Pulp paper UASBc Granular 2.49 ± 0.83 7.25 11.49 62.6 
Starch UASB Granular 2.86 ± 1.25 4.98 5.69 87.5 
Starch UASB Granular 1.92 ± 0.74 6.20 7.89 78.6 
Beverage UASB Granular 1.21 ± 0.43 8.98 9.35 96.0 
Food UASB Granular 1.86 ± 0.97 10.06 13.74 73.3 
Food UASB Granular 2.38 ± 1.04 8.21 9.36 87.8 
Chemical UASB Granular 1.84 ± 0.55 5.89 6.34 92.9 
Brewery BIMAd Suspended 0.13 ± 0.09 2.46 2.57 95.9 
Domestic UASB Suspended 0.1 ± 0.05 1.92 5.63 34.0 
Sludge codeWastewater typeReactor typeSludge appearanceDiameter (mm)VSa (%)TSb (%)VS/TS (%)
Pulp paper UASBc Granular 2.49 ± 0.83 7.25 11.49 62.6 
Starch UASB Granular 2.86 ± 1.25 4.98 5.69 87.5 
Starch UASB Granular 1.92 ± 0.74 6.20 7.89 78.6 
Beverage UASB Granular 1.21 ± 0.43 8.98 9.35 96.0 
Food UASB Granular 1.86 ± 0.97 10.06 13.74 73.3 
Food UASB Granular 2.38 ± 1.04 8.21 9.36 87.8 
Chemical UASB Granular 1.84 ± 0.55 5.89 6.34 92.9 
Brewery BIMAd Suspended 0.13 ± 0.09 2.46 2.57 95.9 
Domestic UASB Suspended 0.1 ± 0.05 1.92 5.63 34.0 

aVS: volatile solids; bTS: total solids; cUASB: upflow anaerobic sludge bed; dBIMA: biogas induced mixing arrangement.

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