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The Self Cleaning Waste Water System of the Aquatherm Micro

Water or energy? – “which one should we focus on?”

Aquatherm is asked this question often. The answer depends on the volumes used and the cost. Where mains water is inexpensive or a borehole is in use, it makes economic sense to focus on energy saving. However if energy is cheap and water is scarce - the focus should be on water reuse.

For the majority of laundries who are dealing with unprecedented increases in oil and gas costs closely followed by water and chemicals, a composite approach is called for.

Well known in the industry since 1980 for the development of laundry heat recovery systems, Aquatherm took the opportunity of COVID lockdown to address their entire product range. Whilst all of the new systems share the same DNA the all new Micro is a packaged process water system which incorporates heat and water reuse (typically 70% and 30% respectively) and a built in heating system to reduce process times.

Designed for plants using up to 7,000 litres of water per hour (other products in the Aquatherm range go up to 200,000 litres per hour) it’s easy to install and will soon repay the investment, and continue to do so for a generation.

It’s only a saving if you actually use it…

The best water reuse systems recover just the final rinse, which will be relatively clean and chemical free. A single rinse will account for about one third of the total water consumption so all of this can then be used for the prewash and main wash.

If water recovery is from the total mixed waste water, only one third of it will be reusable. The claim is often made that ‘by saving water you also save energy’. True, but only one third of what is saved can actually be used.

Compare that with recovering 30% water, 70% energy, AND faster process times, the Micro is a much needed breakthrough.

For larger plants with higher water consumption, separate modules are supplied with flexible interconnections which achieve the same result as a Micro, but scaled to the demand.

For more information click on the links below:

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Re-use your Waste Water to save money with the all new Aquatherm Micro

Aquatherm has been designing and building laundry energy and water systems since 1980, long before the pressures to reduce consumption and costs that we face today. Decades later, and after numerous evolutionary upgrades, the Aquatherm Micro is a system which extracts as much as 90% of the energy from dirty laundry wastewater, reusing all of that energy to heat incoming cold freshwater, reducing the demand for ‘new energy’ and cutting consumption significantly.

The Aquatherm Micro system is a new development designed to address the needs of smaller laundry operations, such as On-Premise Laundries (OPL’s) with water consumption rates from 1,000 to 7,000 litres per hour. The compact and efficient design coupled with the use of high-quality low-cost components sourced through our purchasing office in Shanghai has finally brought lower flow systems into the realm of affordability.

Mike Edwards, managing director of Aquatherm explained:

“In order to get the most from conventional heat recovery systems, there is a requirement for separate buffer tanks for hot wastewater, and preheated fresh water, together with interconnecting pipework, valves, flowmeters and so on. Integrating these systems into a working laundry can involve significant planning, installation cost and time. In the Micro, all of these elements are built into a single package, interconnected and linked to the central control system. All that is needed for installation is a fresh water supply, compressed air and electricity.”

The Micro is a purpose designed heat and water supply designed to recover the maximum amount of energy from the hot wastewater, and use it to preheat the fresh water used for the washing process. Instead of hooking up washing plant to mains water, the supply now comes from the Micro, already preheated using otherwise waste energy. If water re-use is required, whether in its own right or together with heat recovery, the Micro now has the capacity to incorporate this within its package.
Using heated water for the entire washing process is the most effective and efficient way to process laundry.

Re-use your Waste Water to save money with the all new Aquatherm Micro
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Vast and Worldly experiences through the Laundry Industry – did we mention Norway?

We doubt whether any careers teacher has ever recommended looking for a job in the laundry Industry, let alone in the equipment supply sector, but maybe they should, it ticks a lot of boxes. In the 5 decades that we have been involved in supplying automation and water and energy systems we’ve visited over 80 countries and worked in many of them.   We were reminded of the variety of these experiences by a short visit recently to a community workshop in the town of Nordnes, just outside the west Norwegian town of Bergen (Nordnes Verksteder AS)

Here people with disabilities of all varieties are cared for in a supportive environment, where they also have a meaningful occupation, producing a variety of hand crafted wooden and ceramic ornaments and souvenirs which are sold from the boutique on the premises or in the local city. They also sort and pack fruit to supply the schools fruit scheme which applies to all primary schools in Norway.

And tucked away in the corner they even have a small commercial laundry, where we were proud to see one of our own products on view, one of the first renditions of our Aquatherm Micro heat and water recovery system, a fine example of Norway’s approach to all things environmental.  This is a stunningly beautiful country, and it’s clear the inhabitants intend to keep it that way.  We are very proud to be a part of that process.


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