Continuous Deep Bed Filtration - Brightwork BV Wed, 07 Dec 2022 08:34:43 +0000 en-GB hourly 1 https://wordpress.org/?v=6.9.1 https://brightwork.nl/wp-content/uploads/2021/01/cropped-BW-products1-1-32x32.png Continuous Deep Bed Filtration - Brightwork BV 32 32 Head loss l Blog 6 https://brightwork.nl/continuous-deep-bed-filtration/head-loss-l-blog-6/ Mon, 01 Aug 2022 14:31:11 +0000 https://brightwork.nl/?p=9421 In a continuous sand filter the water passes the filter bed in upward direction. The flow of water through a porous medium results in a hydraulic pressure drop. We call this pressure drop the filter bed resistance.

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]]> Clean filter bed resistance l Blog 5 https://brightwork.nl/continuous-deep-bed-filtration/clean-filter-bed-resistance-l-blog-5/ Mon, 30 May 2022 09:01:42 +0000 https://brightwork.nl/?p=9347 In a continuous sand filter the water passes the filter bed in upward direction. The flow of water through a porous medium results in a hydraulic pressure drop. We call this pressure drop the filter bed resistance.

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]]> Optimizing sand circulation rate l Blog 4 https://brightwork.nl/continuous-deep-bed-filtration/optimizing-sand-circulation-rate-l-blog-4/ Thu, 28 Apr 2022 17:04:49 +0000 https://brightwork.nl/?p=8696 In a continuous sand filter the water passes the filter bed in upward direction. The flow of water through a porous medium results in a hydraulic pressure drop. We call this pressure drop the filter bed resistance.

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]]> Filter material in continuous filters l Blog 3 https://brightwork.nl/continuous-deep-bed-filtration/filter-material-in-continuous-filters-l-blog-3/ Fri, 08 Apr 2022 08:36:33 +0000 https://brightwork.nl/?p=8104 Filter sand is the most common filter media used in deep bed filtration systems. The reason is that it is the perfect filter media: inert, resistant to abrasion, free of impurities, available in a uniform grain-size distribution and relatively cheap.

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]]> Understanding the washing principle in continuous filters l Blog 2 https://brightwork.nl/continuous-deep-bed-filtration/understanding-the-washing-principle-in-continuous-filters-l-blog-2/ Thu, 17 Mar 2022 10:38:41 +0000 https://brightwork.nl/?p=7800 In a continuous filter, the filtration process takes place simultaneously with the washing of the filter media. The washing process consists of two principles: the highly turbulent airlift transport of dirty sand from the bottom of the filter to the top of the filter and the final separation of sand grains and solids.

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]]> The Revival of Tertiary Continuous Sand Filters https://brightwork.nl/continuous-deep-bed-filtration/the-revival-of-tertiary-continuous-sand-filters/ Fri, 04 Mar 2022 08:37:00 +0000 https://brightwork.nl/?p=7581 Tightening effluent consents require further investment for improved removal of nitrogen and phosphorus from Wastewater Treatment Plants (WwTP)...

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]]> Drinking Water Production Using Moving Bed Filtration https://brightwork.nl/drinking-water/drinking-water-production-using-moving-bed-filtration/ Thu, 03 Mar 2022 13:14:12 +0000 https://brightwork.nl/?p=7559 Small to medium sized drinking water plants in the South East Asian area are normally located in rural areas to produce drinking water for small communities...

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]]> Effluent reuse in theme park Efteling https://brightwork.nl/continuous-deep-bed-filtration/effluent-reuse-in-theme-park-efteling/ Tue, 01 Mar 2022 10:53:26 +0000 https://brightwork.nl/?p=7464 The popular theme park Efteling in Kaatsheuvel (the Netherlands) launched a drought prevention program to reduce the total volume of ground water abstraction to feed the numerous water ponds in the park

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]]> Continuous deep bed filtration l Blog 1 https://brightwork.nl/continuous-deep-bed-filtration/series-about-continuous-deep-bed-filtration/ Fri, 18 Feb 2022 09:52:37 +0000 https://brightwork.nl/?p=7382 Our mission statement is help our clients to solve various issues, related to water and waste water treatment. One of the things we have experienced

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