Food & Drink Process & Packaging Issue 13 2017 - Page 24

Don’t let raw ingredients go to waste – managing trade effluent Many companies are unaware of the environmental damage and big fines they will face if site effluent is not disposed of appropriately. In this article, Dave Walker, Commercial Director at Detectronic, and with over 25 years’ experience in Trade effluent management, offers some advice on understanding what your site is discharging and keeping on the right side of the law. It’s easy to see how trade effluent measures to monitor and manage Material”. In addition to the sensor could fall down the list of priorities trade effluent and water consumption technology being deployed, a simple when you are managing a busy food more efficiently and often saving balancing tank arrangement will be or drink processing site. However, them money too. used to hold back higher strength failing to stay within the limits of your agreed trade effluent consent could land you in deep water with expensive environmental clean-up costs and fines in excess of £40,000. Our latest range of sensors and equipment can monitor flows of water, waste water, surface water and quality including everything from liquors before releasing them back into the final effluent stream when concentrations have fallen below a safe level. oils, organics and suspended solids to By understanding the complex The good news is that once you pH, Chlorine, Ammonia, Nitrates and effluent streams on site, working understand the rules and what metals. with production managers and your consent levels are, it’s fairly segregating the waste in this way, straightforward to keep on top of it. spikes in the COD are easily removed in a cost efficient way producing a So, what is Trade Effluent? more polished trade effluent for final “Trade Effluent is any liquid waste, discharge. other than surface water and Removing the spikes reduced the daily domestic sewage that is discharged in a public sewer”. Sites within the food and drink sector may have fats, oils and grease, chemicals, detergents, solids, heavy metal rinses or food wastes contaminating their waste water. A consent agreement between the discharger and sewage undertaker determines the volume and concentration of materials a company is allowed to release into the waste water discharge stream. Detectronic works with companies to keep them compliant by introducing 24 FDPP - www.fdpp.co.uk MSFM IMAGE By helping a recent processing plant take control of its waste water and reduce the strength of effluent produced following repeated breaches of their consent, the company is able to benefit from annual savings in excess of £110,533 / Year. To maintain these savings and ensure continuous environmental compliance, sensors are to be installed which will monitor and trigger basic screening of the processes waste carryover “Raw load from 1696 Kg/day to 1187 Kg/d saving the company £110,533/Yr* Releasing harmful waste doesn’t just affect the environment; it damages reputations and results in severe penalties, which are ever increasing. Don’t let the next big fine be yours. It takes just a few simple steps to take control of your trade effluent. *For client security the data used in this article has been changed for illustrative purpose only.