Employer/ Beneficiary: Bulgarian Distillery Company AD
Implementation period: 02/2006 – 07/2006

Design parameters:

• Industrial wastewater treatment plant from ethanol production (from cereal fermentation) with following parameters of the wastewater:
  – Aver. daily wastewater flow– 420 m³/d;
  – COD = 80 000 mg/l;
  – BOD5 = 37 000 mg/l;
  – Suspended solids = 700 mg/l;
  – pH = 3,5 ÷ 4,3;
  – N Kjeldahl = 3 059 mg/l;
  – P total = 880 mg/l;
  – Oil &grease = 1 392 mg/l;
  – Anionic synthetic surface active substances = 60 mg/l.

Performed activities:

• Feasibility study, incl. selection of the optimum technological scheme of Industrial wastewater treatment;
• Sampling, laboratory analysis, pilot studies;
• Preliminary design.

Investment value of the project: 2 812 000 € (without VAT)