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Table 7 Chloride concentrations in samples of grease separator contents and digestates from the biogas plant BP B

From: Foam formation in full-scale biogas plants processing biogenic waste

  Date Chloride [mg/L]
Grease separator content (origin: foaming BP B) March 2012 191
Grease separator content (origin: foaming BP B) May 2012 120
Grease separator content (origin: restaurant in Saxony); serves as reference May 2012 607
Digestate (origin: foaming BP B) May 2012 3,266
Digestate (origin: non-foaming BP B) November 2011 2,420
Digestate (origin: non-foaming BP B) November 2011 2,370