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Quality Egg Products - LISNASKEA, CO FERMANAGH N.I. |
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| Requirement: |
Treatment of industrial wastewater for discharge into sensitive river |
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| Solution: |
Membrane Bioreactor (MBR) treatment plant |
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| Completion Date: |
August 2009 |
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| Scope of Works: |
A 35m3/day MBR treatment plant designed, installed and commissioned by FM Environmental in 2005 at Ready Egg Products Ltd. factory in Lisnaskea, Co. Fermanagh needed upgrading to 100m3/day due to the production plant extension. The new plant also required additional treatment to allow for Ammonia, Nitrogen and Phosphorous reduction in the final effluent. The strength of the wastewater and tight effluent consent limits necessitated the use of a high quality MBR plant with full SCADA capabilities.
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| Discharge Standards: |
BOD 5mg/l
COD 25mg/l
SS 5mg/l
Ammonia 5mg/l as N
Total nitrogen 20 mg/l as N
Total phosphorous 1 mg/l as P
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| Plant Supplied: |
The existing in ground tanks of the “old” plant were retained and incorporated in the new design. The old aeration tank was engineered into an anoxic tank for nitrogen removal. A new aeration tank and three MBR tanks were introduced. The new plant incorporates three independent membrane filtration systems controlled by a PLC. Remote monitoring and control of the process conditions are available over the web through a SCADA package which also caters for data recording of important process parameters.. All mechanical equipment is controlled by online instrumentation through variable speed drives. The use of duty / stand-by equipment ensures continuous treatment and high effluent quality discharge in this sensitive area of Co. Fermanagh.
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