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Keeping their starch manufacturing and storage facilities ‘clean as a whistle’ is nothing short of mission-critical for General Starch — except that, given the nature of starch and the complexities of producing it, actually achieving that on an on-going basis across the entire operation can sometimes be difficult. But fortunately, where there is a tank cleaning challenge, there is also a solution from Scanjet more than capable of meeting it.

General Starch Limited (photo credit: GSL)


General Starch Limited (GSL) is a leading manufacturer of modified tapioca starch based in Thailand. The company has been in operation for quarter of a century, and has in that time developed and employed increasingly advanced production technologies and processes, providing for a growing output of high quality starch products to demanding customers across the food, pharmaceutical and other sectors not just within the South East Asian markets but also increasingly globally.

Until recently, the cleaning of tanks and other vessels at GSL was done manually by hand. This required a lot of hard, physical labour, and resulted in extensive down-time for the busy production plant. Therefore, to increase operational efficiency, improve worker safety, and guarantee consistently high standard of hygiene, an automated cleaning system was required. In researching suppliers, GSL also got in touch with Easy Automation, the Thai sales partners of Scanjet, known for expertise in tank cleaning, as well as a consultative and highly solution-oriented approach — and the joint task force turned their hand to tackling GSL’s tank cleaning challenges.

After extensive planning and trials, the decision was eventually made to install Scanjet SC 15TW rotary jet heads — robust, reliable performers applicable to a wide range of cleaning needs, as well as being portable and therefore easily deployed across the production facility. Most importantly, of course, the cleaning performance of the SC 15TW is undeniably impressive. Having proven their effectiveness in testing, the new machines were put to work, and thus the era of automatic tank cleaning was ushered in at GLS.

That would have already been a major achievement in itself, but not content to rest on their laurels, the following year GSL raised the bar even higher, requesting for some of their facilities a food-grade solution capable of meeting the exacting hygiene standards required in foodstuff production.

Just such a model exists in the Scanjet line-up, and it goes by the model name Bio 10. The Bio 10 rotary jet head is powerful and versatile, and ideal for use in most process industries. Capable of operating with a wide range of pressures and flow rates, the Bio 10 is flexible enough to adapt to a variety of cleaning systems and tank sizes. Self-powered by the flow of the cleaning fluid, the Bio 10 rotates 360 degrees around both its vertical and horizontal axes, thus covering all internal surfaces of the tank — and not only does the Bio 10 clean the tank, it also uniquely cleans itself in the process; it is this very feature which makes the Bio 10 especially well-suited for food & beverage and other hygienic applications. An added advantage of the Bio 10 is very low maintenance time and effort required, and therefore even further improved operational efficiency, something that was on top of GSL’s list of priorities from the outset.

After trying over the years many different ways to improve their cleaning processes — by adding more manpower, employing cleaning contractors, and testing various less capable tank cleaning machines — GSL have now in a short space of time leapfrogged right to the cutting edge of automated tank cleaning, with two solid performers in their arsenal. Having chosen Scanjet machines and found them “the ideal solution in many ways”, GSL are in fact so pleased with the outcome that dozens more machines are already on their way, to really keep those tanks shining.


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