THE MAGAZINE FOR THE DRAINAGE, WATER & WASTEWATER INDUSTRIES
EDITOR’S CHOICE
eliminate odours caused by solids not being sufficiently suspended and also provide a much more consistent homogenous feed to our DAF (Dissolved Air Flotation) unit.”
Food processors often have odour problems with poorly aerated tanks. KK Fine Foods (based in North Wales) have had their Landia AirJet system (on a 328m3 glass-lined steel tank) for over seven years. Dave Edmunds, Engineering Manager said:
“We’ve only just had to replace a few basic wear and tear parts on the system, which shows how reliable it is. The AirJet is something of an unsung hero. It sits there and does its job very well indeed.”
In addition, a leading producer of cereals and cereal bars turned to Landia for help due to high levels of FOG (fats oils and greases) caused by ingredients such as chocolate, rape seed oil and lecithin (phospholipids). At one point COD (Chemical Oxygen Demand) had risen to 78,000.
Landia's aeration system at Timothy Taylor's
Karl Johnson, Safety, Heath & Environment Manager at Deeside Cereals, commented:
“When our sugary water used to become entrained, it was very challenging to treat and fulfil our compliance obligations. We’ve found that it is easier to control the COD by only half filling our tank, but we always test it before discharge – and if needs be, can aerate the effluent a little longer until it is below our compliance threshold. The Landia pump needs nothing more from us than a quick visual inspection each day to check on oil.”
gden Water found that the
pumps used for Timothy Taylor's balance tank were not providing enough agitation to adequately keep solids in suspension
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Howard Burton from Landia added: “The AirJet also removes or massively reduces the cost and labour of having to add chemicals. And with today’s scary energy prices, it is far more economical than using electricity-guzzling blowers.”
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