Coal washing sludge contains significant amounts of fine coal particles and mineral impurities, characterized by high water content and difficulty in processing. Filter presses achieve solid-liquid separation through high-pressure filtration, effectively reducing the sludge's water content. Among them, automatic membrane filter presses have become the ideal equipment for processing coal washing sludge, thanks to their superior dewatering performance and automation capabilities. Read More

The can-making industry generates significant amounts of industrial wastewater containing emulsified oils, COD, and suspended solids during production. Coagulation and sedimentation processes produce large quantities of chemical sludge that require efficient dewatering. Chamber filter presses—characterized by high filtration pressure, excellent dewatering performance, and stable operation—effectively reduce sludge moisture content and disposal costs, making them critical equipment in can-making wastewater treatment systems. Read More

The carbonation process is a crucial stage in sugar juice purification, while the filter press serves as the core machine for dewatering calcium carbonate sludge and separating solids from the juice. The automatic membrane filter press represents an ideal filtration solution for the carbonation process in the sugar industry. Read More

This article explores the critical role of filter presses in solid-liquid separation for ink wastewater treatment. It details the operating principles of filter presses regarding flocculation pretreatment and sludge dewatering, while highlighting automatic chamber filter presses and automatic membrane filter presses—machine capable of significantly reducing filter cake moisture content and hazardous waste disposal costs, thereby helping enterprises meet environmental compliance standards. Read More

Recovering ultrafine particles from kaolin processing wastewater is a challenge for the industry; filter presses, with their high-pressure filtration and excellent solid-liquid separation capabilities, have become the core equipment for addressing this issue. Filter presses offer significant advantages—such as high recovery rates, low filter cake moisture content, and stable operation—when handling ultrafine, high-viscosity slurries, making them the ideal choice for kaolin wastewater treatment. Read More

Waste electrolyte generated during gold and silver electrolysis typically contains recoverable precious metal particles, placing high demands on the dewatering performance and recovery efficiency of solid-liquid separation machine. Thanks to its outstanding advantages, the automatic enclosed membrane filter press is widely used in the treatment of electrolysis waste liquids, precious metal recovery, and high-value solid-liquid separation projects, serving as a key solution for achieving efficient dewatering and resource recovery. Read More

This article provides a professional selection guide for global buyers regarding the choice of filter cloths for industrial filter presses. It begins by examining material chemical properties, comparing the acid/alkali resistance and abrasion resistance of various materials, and analyzes how different weave patterns—such as twill and satin—affect cake discharge and retention efficiency. Finally, it highlights the critical role of parameters like cloth strength and air permeability in optimizing solid-liquid separation processes. Read More

High-temperature summer environments can compromise the operational stability of filter presses. This article outlines key maintenance strategies for filter presses during the summer season—including hydraulic system cooling, filter plate sun protection, and routine upkeep measures—to assist businesses in reducing failure rates, extending machine lifespan, and enhancing filtration efficiency. Read More