Clean-tech innovator APATEQ provides cost-efficient, one-stop solutions for selected markets in the water and wastewater industry by means of unique, membrane-based systems that do not require chemicals for operation. One of the focus areas is the oil and gas business: APATEQ's "OilPaq" enables a simplified oil-water separation, performing this feature without using chemicals during the separation process, at costs typically of one order of magnitude lower than the ones offered by competition, thus excelling above other solutions available on the market.