LiqTech International (NASDAQ:LIQT) (NASDAQ: LIQT) is a global provider of advanced filtration and purification solutions centered on ceramic silicon carbide membrane technology. Headquartered in Houston, Texas, the company designs, manufactures and markets modular filtration systems that remove particulates, oil, hydrocarbons and other contaminants from water and gas streams. LiqTech’s core product line includes ceramic membrane cartridges, skidded filtration units and turnkey water treatment systems tailored for demanding industrial environments.
The company’s membrane technology is noted for its high chemical and thermal resistance, enabling applications in oil and gas production, power generation, petrochemicals, and municipal water treatment. LiqTech systems are commonly used for produced water remediation, desalination pretreatment, industrial wastewater recycling and biogas upgrading. By combining silicon carbide membranes with automated cleaning protocols, the company delivers robust, low-maintenance filtration solutions that help customers meet stringent regulatory standards and reduce operational costs.
LiqTech serves a diversified customer base across North America, Europe, the Middle East and Asia. In addition to its Houston headquarters, the company maintains manufacturing and research facilities in Denmark, ensuring tight control over membrane fabrication and product quality. Strategic partnerships with engineering firms, EPC contractors and research institutions bolster LiqTech’s ability to tailor solutions for large-scale projects and rapidly evolving filtration challenges around the world.
Founded in 2001 by Carl-Christian Mergenthaler, who continues to serve as chief executive officer, LiqTech has built a management team with deep expertise in materials science, fluid handling and environmental engineering. Under this leadership, the company has expanded its patent portfolio, enhanced production capacity and pursued technologies aimed at sustainable water and gas treatment. LiqTech’s ongoing commitment to innovation positions it as a specialist in high-performance filtration for critical industrial applications.
