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Interview
“ In the heat pipe condensing economiser , we are condensing impure water from the exhaust stream . It has also corrosive acidic condensates and other contaminants that usually go up in the stack . Now we are capturing them in a liquid form . The challenge was how to neutralise that flow and make that water usable again . Again , partners in the consortium have developed systems that can treat that water and make it usable again .”
How can the HPCE reduce the resourced needed in an industrial plant ? “ The HPCE recovers waste heat up to 80 % more heat than a plant without it . The biggest achievement is reducing the carbon footprint by recovering heat otherwise generated from burning fossil fuel . The second big achievement of the condensing economiser is recovering the water that would have been in vapour from going up the stack .” “ When we condense this vapour , we have a solution of mainly water , but also the assets that have condensed in the process . You can actually treat them in much more efficient way and try to recycle those materials back from that liquid solution rather than the gas solution .”
A heat pipe transfers thermal energy passively from a hot to a cold stream .
The HPCE is installed in the Alufluor democase site , an aluminium fluoride producer in Helsingborg , Sweden . What happens there ? “ It is the best demo case that we can dream of for the condensing economizer , because of the very
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PHE for process and industry