Brine purification in caustic soda production generates salt mud with high moisture content; filter presses achieve salt mud dewatering through efficient solid-liquid separation. This article outlines the advantages of using filter presses for salt mud filtration and analyzes their suitability in terms of deep dewatering, residual salt recovery, corrosion resistance, and automation. Read More

Solid-liquid separation of aqueous lignin slurries places high demands on the adaptability of filtration machine. This article outlines the advantages of using a membrane test filter press for laboratory-scale lignin slurry filtration and analyzes the value it offers regarding secondary squeeze dewatering, testing flexibility, and industrial scale-up. Read More

High-temperature chamber filter presses are designed for high-temperature solid-liquid separation in water glass (sodium silicate) production. They effectively remove quartz sand and insoluble impurities, thereby enhancing the clarity of the sodium silicate solution. Characterized by high-temperature resistance, superior filtration efficiency, and robust processing capacity, they are ideal for chemical manufacturing applications. Read More

Leakage from the plate and frame of the filter press is a common problem during the operation of the machine. It is usually related to insufficient hydraulic pressure, wrinkles or damage to the filter cloth, foreign matter on the sealing surface of the filter plate, and wear and tear marks on the filter plate. This article details the common causes and treatment methods of water leakage in filter presses, helping users quickly troubleshoot and restore normal filtration of the machine. Read More