Product category:
Trade effluent monitoring + on-site treatment
News Release from: Emerson Process Management - Mobrey Measurement | Subject: BPL discharge monitors
Edited by the Processingtalk Editorial
Team on 28 June 2007
EA discharge monitoring systems for
biotech plant
Emerson Process Management has successfully completed a measurement and data logging application to help plasma-derived products producer Bio Products Laboratory comply with new EA regulations
Emerson experts helped the customer apply Rosemount and Mobrey flow measurement instruments and software to enable easy generation of automatic reports that not only satisfy environmental requirements but also help manage processes The new EA regulations, which came into force in February 2007, demand that all industrial sites that have a Pollution Prevention Control (PPC) permit must comply with the MCERTS regulations for the self-monitoring of effluent flow
This article was originally published on Processingtalk on 22 Apr 2003 at 8.00am (UK)
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This means they must measure the volume of effluent they discharge, and be ready to demonstrate compliance.
Bio Products Laboratory (BPL) is a leader in complying with the new requirements.
The organisation makes high-quality plasma-derived products for the National Health Service and global markets, from its site in Elstree, near London.
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The BPL effluent treatment plant gained MCERTS approval ahead of schedule last year with the help of level and flow measurement specialists from Emerson Process Management.
Graham Liddell, Engineering Manager for BPL explains: "We wanted to make sure our systems were fully operational in plenty of time, so we chose to work with specialists from Emerson.
They were able to advise us on upgrading our measurement systems to meet the MCERTS standard and supply and install the new instrumentation too.
The software is really easy to use, it allows us to produce reports in standard format automatically, for submission to the EA".
Key to the BPL highly specialised processes is the use of large amounts of very pure water for sterilisation and cleaning-in-place of equipment between batches.
The company takes about 1,000m3 per day of mains water and puts it through de-ionisation and reverse osmosis processes to create very high quality water, referred to in the industry as 'water for injection' (WFI).
BPL takes its responsibility to the environment very seriously.
Under its 'Consent to Discharge' issued by the EA, it has permission to discharge into a nearby watercourse under very strict quality parameters which include: biological oxygen demand (BOD) 10ppm, suspended solids (SS) 20ppm and ammonia (NH3) 5ppm.
It is important to the company's philosophy and approach that it is seen to comply as fully as possible.
MCERTS requires total daily volume of effluent flow to be measured with an uncertainty of +/-8% or better.
The new Mobrey system provides BPL with this, and much more detailed data too.
Graham Liddell again: "Data such as peak flows and daily totals are very useful to us in helping manage the process going forward, as well as in complying with the regulations".
The new systems consist of a non-contact ultrasonic Mobrey MSP900 open channel flow meter installed on the final effluent flume to measure the volume of water being discharged to the watercourse, and a Rosemount 8700 magflow meter on the flow from the reverse osmosis unit.
Both instruments are connected to Mobrey MCU900 Flow-Log controllers, which have a built-in data logger function and can store up to 10 weeks of flow data.
BPL uses Mobrey LogView software to download to a laptop PC and analyse the data at regular intervals.
The design, installation and MCERTS compliance project went so well that BPL has retained Emerson to calibrate and maintain all the analytical equipment in the effluent treatment plant.
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