Yelabuga, Russia

WWTP Yelabuga, Russia, 2014

Our customer required wastewater treatment plant to be constructed. It should be a part of a newly built factory in the Russian Federation. Reusal of effluent from the primary a secondary treatment stage and also reusal of primary and surplus biological sludge in the factory was required. This wastewater treatment plant was designed with primary sedimentation tank to remove high concentration of suspended solids and aerobic treatment stage with aerobic selector and regeneration of return sludge.

Inlet
COD
BOD5
TSS

Design parameters
2 400 mg/l
1 200 mg/l
1 200 mg/l

Operational phase
1 110 mg/l
610 mg/l
820 mg/l

Outlet
COD
BOD5
TSS

Legislative requirements
200 mg/l
125 mg/l
150 mg/l

Operational phase
104 mg/l
46 mg/l
24 mg/l

Efficiency
COD
BOD5
TSS

Legislative requirements
91,7 %
89,6 %
87,5 %

Operational phase
90,6 %
92,5 %
97,1 %

Comparison of the efficiency of design parameters and actual operation.

Parameters

Project
Capacity
100 000 PE
7 000 m3/d

Type of wastewater
Industrial / mineral fiber production

Technology
Primary pretreatment: Balancing tank, Primary sedimentation tank, Reclaim WW tank,
Secondary treatment: Selector, Aeration tank, Sedimentation tank, Regeneration tank

Reference

"Hydrotech provided excellent process engineering assistance at startup. They trained our operators, who had no experience with WWTP technology. They also provided excellent documentation for process and maintenance."

Chief Engineer

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