What Are The Various Applications Of Filter Press In Various Industries?

Filter Press

Filter press is a widely used membrane filtration technology in various industries. As a kind of filter plate, it plays an important role in the development of industry, economy and society in all aspects with high effectiveness and low cost. To have a better understanding of the application of filter press, let’s have a brief introduction to filter press from 3 perspectives: i) Membrane filter plate; ii) Filter press; iii) Applications of filter press in various industries. These three aspects will help us gain deeper knowledge about this technology and let us better understand the application of filter press in various industries.


The filtering of unwanted particulates from wastewater, such as silt and solid particles is done through Automatic filter press. The separation process is carried out by using a coarse fibre mesh with water flowing in one direction, allowing water to pass through while the unwanted particulates stay behind. This separation process can be done with debris from tobacco leaves, ground or burned coffee residue or by using an industrial centrifuge machine to separate food color pigments that produce oily liquids during filtration. Decolorization filters remove large amounts of colorants and therefore enhance sanitation measures when water is recycled back into agriculture systems. This can also work towards ensuring crops grown remain free from dirtiness caused by wastewater run-off into nearby bodies of water after being used for irrigation purposes.


The filter press machine is a key element for sewage treatment, such as seawater desalination and biological wastewater treatment, and is widely used to remove large particles. Then we need to use filter cloth selection. Because whether it is to be applied directly or after an additional pretreatment will have a great impact on the quality of treated water, which depends on its performance characteristics, density, thickness and so on. And different types of Filter Cloth Selection will have different performances. Generally speaking, nonwoven fabric material can filter out microorganisms that are no larger than 1 micron in size. Thereby effectively eliminating bacteria and microorganisms present in wastewater. Therefore, they can be selected according to the requirements of filtration rate and required particle size.

Waste Water Treatment

Used properly, filter presses separate water from a slurry by pushing liquid through multiple layers of filter cloth. This makes them useful for cleaning wastewater (particularly toxic and oily waste), which is an area where they’re gaining traction with municipalities that have limited space to build new treatment plants. The process allows localities to treat wastewater more efficiently, meaning cleaner water for everyone. In addition, Filter Cloth Selection: Filter cloth selection is an important part of any filtration project because it affects both effectiveness and efficiency – if you don’t select a cloth carefully, your filtering system won’t work right or at all.

Pharmaceutical Industry

Filter presses are commonly used in petroleum production to remove pollutants, such as salt water and sand, from fresh water. When oil is extracted from crude petroleum, it is extracted through steam injection. Water and other contaminants create problems during a steam-injection process, so filter presses help extract oil by filtering out these pollutants. After being filtered by a filter press machine, water can be sent back into an ocean or bay; it has been filtered sufficiently to re-enter its original habitat. The food industry also uses filter presses for similar purposes: they are typically found at bottling plants to purify water that will be mixed with sugar, syrup, and flavouring agents before being bottled. The filtration prevents any contamination from entering the bottled product, thus improving shelf life quality.

Filter presses have also been implemented in medicine (such as at blood banks) to preserve the integrity of blood cells that may carry diseases when transfused into another person’s body. With this use case for medical products, filtration removes pathogens and biological contaminants that could harm another person if they were given a transfusion with contaminated blood cells – which increases quality assurance for safe transfusions!

Petroleum Industry

Filter presses are used to remove unwanted water and hydrocarbons from produced oil-field water. By combining pressure and filtration, a variety of water compositions can be treated, including oily brine and high salinity seawater. Both particulate filtration and reverse osmosis membranes may be used for removing oil, grease, minerals, acid gases and biological contaminants such as bacteria or spores. The solids removed by a filter press may be sold as biosolids or processed further. Filter presses may also reduce turbidity (cloudiness) by improving color removal by sedimentation or sand filtration systems before or following treatment with activated carbon adsorption systems. In desalination plants, filter presses remove salt crystals that form on heat exchangers during evaporative cooling cycles.

In an ore dressing plant, filters are typically mounted before and after flotation cells to protect against the loss of valuable minerals during filtration. In pulp & paper mills, filter presses may be used to improve the quality of process effluent in the recovery boiler feedwater system or wastewater streams. They may also be installed on spray dryers or dewatering screens for thickening or dewatering process effluents so they will not clog downstream equipment.

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