Treatment of trade and industrial wastes in sewage treatment pond / sewage reactors. Name of the sewage plant Address:

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Aileen Mills
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1 1/5 Questionary Treatment of trade and industrial wastes in sewage treatment pond / sewage reactors A. General information Name of the sewage plant Address: Phone/Fax: Information collected by: 1. Type of project: 1.1 New construction 1.2 Reconstruction 1.3 Extension 1.4 Process optimisation 1.5 other short description: 2. Origin of sewage 2.1 Only trade and industrial wastes 2.2 Trade / industrial wastes and domestic sewage of the enterprise 2.3 Trade / industrial wastes and domestic sewage from surrounding quarters

1 New construction 1.2 Reconstruction 1.3 Extension 1.4 Process optimisation 1.5 other short description: 2. Origin of sewage 2.

2 2/5 2.4 Type of sewage: 3. Sewage discharge 3.1 discharge by public canalisation (indirect discharge) 3.2 direct discharge in receiving water 3.3 other short description: 4. Specific data of the site 4.1 Shift operation: h/d, d/w 4.2 Seasonal operation: W/year 4.3 Operation on demand: 4.4 Other: 4.5 Internal wastewater from: residents collaborators 4.6 Connected external residents: residents 4.7 Electrical connections Single Phase Three Phase Frequency: 50 cps 60 cps Voltage: V B. Internal wastewater pre-treatment 5.1 Screening plant 5.2 Sieve screw 5.3 Grit chamber

2 Seasonal operation: W/year 4.3 Operation on demand: 4.4 Other: 4.5 Internal wastewater from: residents collaborators 4.

3 3/5 5.4 Buffer-tank 5.5 Neutralisation stage 5.6 Solids capture in settling tank 5.7 Other pre-treatment: short description: C. Dimension of pond 6.1 Number of ponds with dimensions as below: pcs 6.2 Width:..m 6.3 Length:..m 6.4 Diameter: m 6.5 Water level: min..m max..m average.m 6.6 Volume: min. m 3 max.: m 3 average m Execution of pond-walls: description / sketch in annex): D. Quantity of sewage 7.1 Population Equivalents: PE 7.2 Day s value: min. m 3 /d max. m 3 /d average m 3 /d by d/a 7.3 Week s value: min. m 3 /week max. m 3 /week

.m max..m average.m 6.6 Volume: min. m 3 max.: m 3 average m 3 6.7 Execution of pond-walls: description / sketch in annex): D.

4 4/5 average m 3 /week by. week/year 7.4 Hour s value: min. m 3 /h max. m 3 /h average m 3 /h relative to average duration of sewage flow:..hours (average) E. Sewage analysis (24-h-average sample) In most of the cases, data are available. Please fill in whenever possible. Sewage parameters In the pond feed channel Outlet 8.1 Temperature Day s value:... C. Day s value:... C 8.2 ph-value average...ph average...ph 8.3 Total Suspended Solids (>0.45 µ) average...mg TSS/l average...mg TSS/l 8.4 Total Organic Suspended Solids average...mg TOSS/l average...mg TOSS/l 8.5 BOD 5, (homogenizated sample) average... mg O 2 /l average...mg O 2 /l 8.6 COD total average...mg CSB/l average...mg CSB/l total 8.7 COD solute, inert (not degradable) average...mg CSB/l average...mg CSB/l solute, inert 8.8 COD solute, easy degradable average... mg CSB/l average... mg CSB/l solute, easy degradable 8.9 Total Kjeldahl Nitrogen average...mg N/l average...mg N/l 8.10 Solute Kjeldahl Nitrogen average...mg N/l average...mg N/l 8.11 Ammonium Nitrogen (NH 4 -N and NH 3 -N) average...mg N/l average...mg N/l 8.12 Nitrate Nitrogen (NO 3 -N) average...mg N/l average...mg N/l 8.13 Nitrite Nitrogen (NO 2 -N) average...mg N/l average...mg N/l 8.14 Phosphate (PO 4 -P) average...mg P/l average...mg P/l 8.15 Total Phosphor average l...mg P/l average...mg P/l 8.16 Solute Phosphor average...mg P/l average...mg P/l 8.17 Alkalinity average...mol /l average...mol /l

Day s value:... C 8.2 ph-value average...ph average...ph 8.3 Total Suspended Solids (>0.45 µ) average...mg TSS/l average...mg TSS/l 8.4 Total Organic Suspended Solids average...mg TOSS/l average.

5 5/5 F. Process and parameters 9.1 Operating procedure (ponds or reactors): Continuous application of sewage Intermittent application of sewage SBR-procedure (Sequence Batch Reactor) operation of reactors as: Denitrification basin Anaerobic bio P elimination basin Other types of basins for: Ponds for final clarification, without sludge return Ponds for final clarification, with sludge return 9.2 Temperature (daily average): C 9.3 ph-value daily average: ph 9.4 Activated sludge concentration (pond / reactor) mg TSS/l 9.5 organic solids concentration mg TOSS/l

Reactor) operation of reactors as: Denitrification basin Anaerobic bio P elimination basin Other types of basins for: Ponds for final

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