Process Equipment Update


Retrofitting float internals and transmitters J J


WF Process Solutions (formerly J W Fairbairn) can now supply a complete level portfolio following an


agreement with Magnetrol to promote its range of displacer level gauges and float switch products. Displacer level gauges are extensively


used in the offshore and process industry. JWF Process Solutions can now ‘retrofit’ float internals and transmitters for many of


the obsolete and old displacers currently operating in plants. The Digital E3 is an advanced two-wire


instrument utilising simple buoyancy principle to detect and concert liquid level changes into a stable output signal.


The linkage between the level sensing


element and output electronics provides a simple mechanical design and construction The vertical in-line design of the


transmitter results in low instrument weight and simplified installation. The instrument comes in a variety of


configurations and pressure ratings for varied applications. ■


For more information ✔ at www.engineerlive.com/epe


JWF Process Solutions is based in Glasgow, Scotland, UK. www.jwfltd.com


Pumps facilitate ‘ready-made’ effluent treatment


eutralac SLS45 high strength liquid lime from Lhoist UK Ltd is proving an irresistible solution for process plants requiring improvements in their effluent treatment procedures. This is not only due to the innovative properties of Neutralac (45 per cent solids by weight, 300 Cps viscosity and 5 second KIWA reactivity), but the ability of Lhoist to supply customers with a field trial equipment package tailored to specific needs. The delivery technology is a Watson- Marlow 720UN/RE high flow dosing/metering pump and Lhoist has already acquired six since the project commenced in 2012. According to Product Manager, Derek Thompson, Lhoist developed Neutralac to address the fact that lime is often seen as a low grade commodity. “Neutralac is different,” he states. “It


allows us to attack the caustic soda market at the high end of effluent treatment. Here, neutralising agents such as caustic soda and magnesium hydroxide are aggressive and


can easily damage both operators and plant, hence a comparable alternative is highly desirable.


“Neutralac is safer to use than caustic


soda and other alkali alternatives, with equal or better performance.” The Lhoist Group has operations


throughout Europe and America, with a total headcount exceeding 7000. Around 100 are employed in the UK, at a quarry near Buxton and at a satellite site in Cumbria. Lhoist invests heavily in R&D, and Neutralac is among the latest products to make the transition from laboratory to production. “We knew we couldn’t just sell it in


bottles or IBCs and expect sales to take off,” explains Mr Thompson. “We had to take it to customer plants and provide delivery and analysis equipment on site.


“As a result, a lightweight yet robust


pumping solution was sought, with peristaltic technology from Watson-Marlow proving the optimum solution.”


EUROPE’S NO. 1 IN MODULAR PIPEWORK SYSTEMS Original Quality to a Modular Design


 Straight welded, lipped-end pipes and components.


 ø 60 mm to ø 800 mm in a standard range.  Up to ø 400 mm normally dispatched immedi- ately from stock.


 Larger than ø 350 mm also available with fl ange connection.


 Powder coated steel or hot-dipped galvanised steel as well as stainless steel.


 1-3 mm wall thicknesses.  Larger diameters / special requirements upon request.


 Shock-explosion certifi ed pipes and components available.


The QUICK CONNECT® pull-ring makes the acclaimed Jacob modular pipe system even more economical for installation.


In new plants for animal feed, pharmaceuticals, chemicals, food, glass, semi con duc tors or envi- ronmental techno logy as well as for upgrading existing layouts user-friendly system installation becomes precise and easy due to the great ver- satility of mass-produced pipe components.


New and exclusive from JACOB: FOOD GRADE RANGE EC 1935/2004 plus FDA 513583_EuropeanProcessEngineer_185x60_gb_4c_RZ.indd 1 For more information ✔ at www.engineerlive.com/epe 14.08.13 13:56


installation friendly perfect fi tting


shock explosion proof easy expandable


EC 1935/2004 plus FDA


The service and technology offered by Lhoist means that a company such as a metal finishing plant, for example, where strong acids are used to etch metals prior to plating, can now process its effluent stream easily and cost effectively. Lhoist will arrive on site with a ready-to-go


system comprising Neutralac, pH control and delivery equipment, essentially supplying a small, pilot-scale effluent dosing plant. “We selected a peristaltic unit because


they offer the easiest and best way to pump slurry around,” says Mr Thompson. “Neutralac lime suspension is fairly thick and the pumps are often sited outdoors. “However, the Watson-Marlow 720UN/ RE is a work of art – it’s tremendously flexible yet extremely robust and reliable. In addition, they are easy to hook up with pH controllers – either our own meters or those used by the end user.” ■


For more information, visit www.wmpg.co.uk


QUICK CONNECT ®


Fr. Jacob Söhne GmbH & Co. KG, Germany | Tel. + 49 (0) 571 95580 www.jacob-pipesystems.eu


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