BALLERUP, Denmark, Aug. 12, 2024 /PRNewswire/ -- LiqTech International, Inc. (NASDAQ: LIQT), a high-tech filtration technology company that manufactures and markets highly specialized filtration products and systems, today announced the receipt of an order from one of the world's leading integrated energy companies to deliver a pilot system for produced water treatment in the U.S. This produced water treatment order strengthens the relationship between the two companies with the intention to use the results ...