Filter press systems are among the most useful and powerful pieces of equipment in the wastewater industry. When compared to other water filtration systems&#;like dewatering plants and slurry pits&#;filter press systems are both compact and efficient, removing up to 99% of slurry solids from work water in a relatively short amount of time.
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However, filter presses aren&#;t a one-size-fits-all system. Water and sludge filter press systems are available in different sizes to tackle wastewater jobs with differing volume and filtration requirements. With so many options on the market, it can be difficult to decide which system is right for your operation&#;that&#;s where the team at Full Circle Water comes in.
An Overview of Common Filter Press Systems
A filter press is a water filtration system that uses a series of plates covered with filter cloth to remove solids from wastewater. Sludge is pumped into the chambers formed by these plates, and pressure is applied. The liquid (filtrate) passes through the cloths, leaving behind a solid &#;cake&#; made from filtered slurry solids. After processing, the filtered water can be easily disposed of or processed further.
There are two main types of water and sludge filter presses: recessed chamber and membrane.
Recessed Chamber Filter Presses
Recessed chamber filter presses process water by forcing it through a series of plates, each of which features a circular depression its center (hence the name &#;recessed chamber&#;). Recessed chamber presses are known for their durability and versatility and, to this day, remain the industry standard. In addition to wastewater, they are particularly good at processing sludge, biosolids, and mud.
Membrane Filter Presses
Membrane filter presses are a relatively new innovation. They are similar to standard recessed chamber presses but feature pressurized membranes between the filter plates that squeeze excess water through the system. Membrane filter presses are ideal for oily sludges or highly regulated slurries that require extremely comprehensive filtration.
Picking Your Perfect Press: Key Considerations
An operation&#;s ideal filter press model depends on several factors, including the type of slurry they process, the size of the worksite, and the filtration requirements set by local, state, and federal authorities.
Sludge Type
Slurries differ in their viscosities, flow rates, and solid densities. Operations that are dealing with thick, heavy sludges might consider investing in a medium-sized, membrane filter press system to ensure stubborn solids are removed from the slurry before dumping.
Worksite Size
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Wastewater is used in a range of industries, and sludge and water filter presses must be adaptable to both large and small worksites. Large worksites often collect slurry on-site and transport it to their main location for sludge and water filtration, but smaller sites might consider using a medium filter press trailer or even an on-site, miniature filter press system like the MudHen.
Filtrate Quality
Filtrates are regulated differently by state and local governments. For jurisdictions that maintain strict dumping requirements, membrane presses produce clearer filtrate that is often suitable for reuse. For less stringently regulated slurries, a medium-sized, recessed chamber filter press system is more than sufficient for safe disposal.
Full Circle Water: Your Wastewater Treatment Partner
At Full Circle Water, we understand that cleaner water means a healthier environment, reduced pollution in local waterways, and a more sustainable future for everyone. That&#;s why we offer a comprehensive range of sludge and water filter presses, from robust recessed chamber models to cutting-edge membrane systems, including small, large, and medium filter press systems perfectly suited for almost any operation.
Our team of experts will work closely with you to understand your specific needs and recommend the perfect filter press solution for your facility.
Contact our friendly team at Full Circle Water today!