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Reuse of water for cooling system
Published on 14 May 2020
Czech Republic
Severovýchod
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About this good practice
Kávoviny a. s. is the regional food company with long tradition in the Pardubice region. The company´s production is huge and they use systems on one hand with long tradition and on the other one with new technologies.
They started approximately 15 year ago with production of vinegar. During production, one of the phases is the cooling the product. Cooling is carried out by means of so – called cooling towers. A large amount of water is used in cooling, so they close the water cycle and reuse the water to cool the product. They reuse water 20-30 times, that depends on analyze of water quality in cycle. They use simple system to treat the water. In process they pump water from well, then water goes to the water treatment reservoir and then to the reservoir. At this moment is water ready to use for cooling. The water circulates in a closed pipe system where it changes its temperature as it moves in system. For treating water they use water softening salt, UV lamp a sand filtration with hypermangan.
Reuse of water is know-how developed with vinegar production. The idea is to save the water and it is unnecessary to drain the water to the waste system and it is also cost saving.
They started approximately 15 year ago with production of vinegar. During production, one of the phases is the cooling the product. Cooling is carried out by means of so – called cooling towers. A large amount of water is used in cooling, so they close the water cycle and reuse the water to cool the product. They reuse water 20-30 times, that depends on analyze of water quality in cycle. They use simple system to treat the water. In process they pump water from well, then water goes to the water treatment reservoir and then to the reservoir. At this moment is water ready to use for cooling. The water circulates in a closed pipe system where it changes its temperature as it moves in system. For treating water they use water softening salt, UV lamp a sand filtration with hypermangan.
Reuse of water is know-how developed with vinegar production. The idea is to save the water and it is unnecessary to drain the water to the waste system and it is also cost saving.
Resources needed
Pilot waste water treatments have been tested before the implementation of this technology to the company. It had been tested in Austria company.
Evidence of success
The system is simple and almost trouble-free. Important is to analyte the water and thanks this analysis to prevent problems in the right time. In the summer time is analyze more often, because temperature of air around is higher.
Potential for learning or transfer
The cooling system with close cycle is good example to learn in industry.
Further information
Website
Good practice owner
You can contact the good practice owner below for more detailed information.
Organisation
Kávoviny a. s.
Czech Republic
Severovýchod
Contact
International Project Consultant