Rapid gravity sand filters: Developments in filter floor design
Mar 23, 2009 — The current design was developed in the late 1990s and is called a low profile block (LP block). This is a single block measuring 412 mm wide by 225 mm high. The block is split into two channels. The block's lower profile allows shallower filter or greater media depth.
Solid-liquid filtration: Understanding filter presses and belt filters
Oct 8, 2012 — Features. Filter presses and belt filters are the workhorses of the solid-liquid filtration world. Together they account for a significant portion of the slurry de-watering and washing procedures that take place in industry. Trevor Sparks outlines some of the advantages and disadvantages of these different technologies and suggests some ways in ...
Effective and proven ways to purify your water at home
Jun 10, 2022 — Teabags. You can use a tea bag to filter water easily. Place the tea bags in a large container and add enough water to cover them. Let the tea soak for 30 minutes, then strain the water and drink it. You can use a few tea bags over an extended period if you don't want to change them out often.
Biological water treatment: MBBR and IFAS technology
Oct 6, 2017 — Biological water treatment: MBBR and IFAS technology. Moving bed biofilm reactor (MBBR) technology. The integrated fixed film activated sludge (IFAS) system. Example for a conventional hollow-body carrier. The design and engineering of MBBR and IFAS wastewater treatment plants is full of obstacles and mistakes made can be hard to remedy.
Koch Separation Solutions rebrands as Kovalus Separation Solutions
Oct 27, 2023 — Kovalus continues its operations, now as a standalone business, under the existing management team led by CEO Manny Singh. The company remains headquartered in Wilmington, Massachusetts, USA with over 700 employees across several global offices and four manufacturing sites.
Flue gases: Gypsum dewatering in desulphurisation
Sep 25, 2012 — The combustion of sulphur containing fossil fuels requires downstream flue gas cleaning, which is often accomplished by wet processes. This is where the raw flue gas is cleaned in an absorption wash tower where the sulphur dioxide reacts with an aqueous slurry of limestone to form gypsum. Roland Küspert and Gernot Krammer of Andritz describe the process and …
Filtration and Separation - Home
Oct 14, 2024 — Filtration+Separation October 2024 issue – online now! Free access to this content is for qualifying individuals only. Corporate and institutional access requires an appropriate license or subscription. For more information contact institutions@markallengroup.com.
Granular filter media: Evaluating filter bed depth to grain size ratio
Dec 4, 2012 — Figure 1: Typical 0.5 mm filter sand categorised as a sub-angular shape. Figure 2: New 0.9 mm anthracite media, the crushed shape makes it angular and irregular with a visible external surface roughness dominated by 50 to 300 micron ‘pores’ Figures 3a and 3b: Images of the rough engineered ceramic media ‘Macrolite’ show the highly irregular surface on a …
10 current trends in filtration and separation
Nov 27, 2023 — The global market for industrial filtration is expected to continue growing at a considerable rate in the coming years. Despite global crises, growth remained constant in 2023 – as was also evident at FILTECH earlier this year. FILTECH Exhibitions Germany presents an overview of trends that will support growth and shape the industry in the coming year.
What is nanofiltration? - Filtration and Separation
Mar 18, 2009 — The preceding paragraphs have described the origins and nature of the generally accepted process called nanofiltration, which is a liquid-phase separation removing dissolved solids, carried out by means of membranes, with a relatively high transmembrane pressure. However, the progress of much of the filtration business is being driven by ...