Water & Wastewater Treatment

Tackling wastewater can be perceived as nothing but a high cost exercise of calculating waste volume and paying for treatment. However, rarely is the picture so black and white. Here, Bob Hastings of ACWA Services Ltd provides pointers for food companies looking to address their wastewater issues. He stresses the importance of identifying water use in plant in order to reduce how much water and, therefore, ultimately, how much money might be pouring down the drain. 1 Start from the beginning So o en, cost will be the initial driver for a company seeking to address its wastewater operations, whether due to production changes triggering higher discharge costs, or a change in management policy. However, a decision to invest in a wastewater treatment plant made on the belief that such a plant is a straightforward capital cost that will avoid wastewater charges in the future is likely to lead to disappointment. Successful wastewater treatment and cost reduction involves understanding a plant's water use from start to finish. And waste minimisation in the first instance is a vital part of any solution. 2 Get your data together Although it may seem obvious, ensuring that all the facts are at hand before investigating wastewater treatment is key. It is all too easy to think that knowing 7 TOP TIPS Summary Like other industrial companies that discharge wastewater into the sewerage network, food companies are charged for their wastewater according to the Mogden formula, which calculates costs according to the volume and strength of the waste. The decision to invest in a wastewater treatment process is therefore usually driven by cost in the first instance. However, once companies become more familiar with the data on the nature of their wastewater a number of options for optimising processes can emerge, such as waste separation, water reuse, or anaerobic digestion to produce power. Decisions must also be made about whether wastewater treatment processes should be run in-house or outsourced to a competent contractor. • mOrE INFO ACWA Services is a provider of innovative, sustainable process solutions for the air, water and wastewater sectors around the globe. acwa.co.uk BoB HASTingS BuSIneSS DeveLopmenT mAnAger, ACWA ServICeS LTD www.wwtonline.co.uk | WWT | JuLY 2017 | 23 Top Tips for... Industrial Effluent Treatment The knowledge Top Tips for… industrial effluent treatment

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