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Depth Filter Articles & Analysis
39 articles found
Cyanotoxins at intake depth can exceed guideline values before surface blooms are visible. This can exceed WHO limits for microcystin-LR at intake depth. Algal biomass increases filter loading, reducing run times and increasing backwash frequency. ...
Some configurations also use non-woven filter bags or felt filter bag styles to improve dirt-holding capacity and depth filtration. Micron Ratings and Filter Sizes of Filter Bags Micron-rated filter bags define the size of particles they can capture. ...
Click here to learn about: Candle Filter vs Cartridge Filter Types of Cartridge Filters There are different types of cartridge filters, each designed to remove specific contaminants. ...
Filter Nozzle Strainer Custom Design - YUBO Filtration YUBO Filtration professionals specialize in providing custom design services for filter nozzle strainers. ...
For example, active pharmaceutical ingredients (APIs) are often precipitated from a solution prior to a more robust method like depth or membrane filtration or even filtering centrifugation. Multiple solid-liquid separation methods are generally used to isolate products in a sequence; thus, product transfer is an important consideration to bear in mind. ...
There are various different types of filter cartridges, like PP Melt Blown Filter Element, Activated Carbon Filter, Wire Wound Filter Element, Stainless Steel Pleated Filter Cartridge, etc. Filter cartridges play two roles in filter housing: surface filtration and ...
Multi-media filter (filter bed) is a media filter that uses more than two media as the filter layer. ...
FILTRODISC BIO SD is the state-of-the-art technology for alluvial filtration for Plasmid-DNA clarification. It is based on depth filters that capture contaminants in their three-dimensional matrix. The used PURAFIX depth filters are low in extractable ions and pyrogens. By adding filter aid, such as diatomaceous ...
Clarification for vaccines – the economic and efficient removal of cell debris and negatively charged molecules with FILTRODISC BIO SD and FILTRODISC R2U depth filter modules. The purification of vaccines is a critical step during their complex production process. ...
Handheld PID instrument used on outlets of odour control system to assess utilisation of carbon media filter Guernsey’s States Works is using an Ion Science (www.ionscience.com) TigerLT handheld photoionisation detector (PID) to measure volatile organic compounds (VOCs) being emitted from an odour control system installed at Guernsey’s waste transfer station. ...
Types of cartridge filters There are widely known two types of cartridge filters namely surface filters and depth filters. ...
The water is treated in much the same way as any other treatment plant, but then is sent through a more in-depth process of ozonation, activated carbon filters, microfiltration (gotta get those bugs ...
When total iron, manganese and ammonia in influent were 11.27 mg/L, 1.20 mg/L and 1.27 mg/L, respectively, iron, ammonia and manganese were mainly removed in 0–0.3 m, 0–0.4 m and 0.2–0.8 m of the filter depth, respectively, and nitrite oxidizing bacteria were presented in 0–0.3 m of the filter depth. The pH decreased along the ...
The removal process of particles and microorganisms is highly dependent on the buildup of the schmutzdecke at the filter surface. During the ripening period and especially for cold waters, the buildup of the schmutzdecke may take several months until such filters are biologically mature and at steady-state regarding their removal performance for particles and ...
When Mn(II) and ammonia in the influent were about 2 and 1.5 mg L–1, respectively, both of them were completely removed and the oxidation-reduction potential was increased with the depth of the filter from 16 to 122 mV. Biological Mn(II) removal followed the first-order reaction, and the k-value was 0.687 min–1. ...
In this study, petrochemical secondary effluent was treated by a 55 cm diameter pilot-scale biological aerated filter (BAF) with a media depth of 220 cm. Volcanic rock grains were filled as the BAF media. ...
Turbidity removal in the biofilter was also investigated, and the results demonstrated that the turbidity decreased to less than 0.5 NTU at 0.4 m depth of the filter. ...
Additional AC samples were obtained by sampling different depths of a full-scale AC filter at regular intervals during the operation time of the filter. Several adsorption tests were performed with the three test substances, including adsorption isotherms in the concentration range mg/L, single-point adsorption tests in the concentration range ...
For manufacturers seeking greater dirt- holding capacity and longer service life, Shelco Filters announces the introduction of its new PDA and PDH Series Polypropylene Depth Filters. These filters were developed for critical applications requiring absolute (99.9%) or high retention (90%) efficiencies in an economical, melt-blown ...
During the oxygen deprivation period, iron continued to be removed, although a greater depth of filter media was required to carry out the removal. Manganese oxide in filter media was mobilized, causing manganese water concentrations to increase well above raw water levels. ...