process water filter Articles

  • Determine What Water Treatment Equipment is Best for You

    Why do I need a water treatment specialist? Wont some equipment from the store work just fine? When it comes to water treatment there is no turnkey solution that works for all water sources. The water that is supplied changes throughout the planet while also changing with the seasons. So there may be a setup in New York that works really well on their water source but it might not work ...


    By WECO Filters

  • Drinking Water Treatment Process

    Most drinking water comes from a surface water source, such as a lake or river, or a groundwater source, such as a well or spring. This water requires treatment before it can be safely consumed; the level to which the water is treated depends on the source of the water and also on federal regulations. In the United States, for example, the Safe Drinking Water Act was created by the Environmental ...


    By Brentwood Industries, Inc.

  • Organic matter removal in bio-filters to achieve biologically stable water downstream of the process

    Organic removal contaminants reclamation has increased over the past years as it has many advantages over other treatments. Product water from water treatment plants can be chemically complex resulting in physical and biological changes during transportation in the distribution systems. The general aim of this study was to evaluate the effectiveness of biofilters for reducing the concentration ...


    By IWA Publishing

  • High frequency monitoring needed to protect UK rivers - Case Study

    The science behind nutrient pollution in rivers is still poorly understood despite the fact that nitrate and phosphate concentrations in the UK’s rivers are mostly unacceptable, although an element of uncertainty exists about what an acceptable level actually is. Key to improving our understanding of the sources and impacts of nutrient pollution is high-resolution monitoring across a broad ...


    By OTT HydroMet

  • Waste water treatment, intensification of process

    Among the various methods such as homogenizing, mixing, neutralization, sedimentation, filtering, ion exchange etc. ABC-100 PC GlobeCore production is machines with vortex layer and it is widely used for: ·               wastewater treatment from hexavalent chromium and other heavy ...


    By GlobeCore GmbH

  • Filters for the Filter Manufacturer

    Filtration systems for manufacturing often require high-purity filters to remove contaminants from water, liquids or gases, as well as to optimize production and meet quality standards.  The right filters and housing greatly affect production outcomes, and can help reduce costs and protect equipment along the way. ...


    By Shelco Filters

  • Filter backwash water treatment options

    Filtration acts as the final step in the removal of suspended matter and protozoa. The accumulated residue is removed during the backwash process and any subsequent recycling of filter backwash water could potentially re-introduce these contaminants into the main treatment process. By separating the filter backwash water from the main treatment process, factors that could interfere with the ...


    By IWA Publishing

  • Nitrogen removal in micro-polluted surface water by the combined process of bio-filter and ecological gravel bed

    Nitrogen removal in micro-polluted surface water by the combined process of a bio-filter and an ecological gravel bed was studied. Sodium acetate was added into micro-polluted surface water as carbon source and the nitrogen removal under different C/N ratio, hydraulic load and temperature were investigated. The results showed that the variations in C/N ratio, hydraulic load and temperature have ...


    By IWA Publishing

  • Biofilm control strategies in industrial processing waters

    Bacterial biofilms cause a number of serious problems for industrial fluid processing operations. Mechanical blockages, impedance of heat transfer processes and microbially induced corrosion result in billions of dollars of losses each year. In engineered systems, such as cooling water systems, food processing, and other industrial applications possible risk to public health and product spoilage ...

  • Effects of tap water processing on the concentration of disinfection by-products

    Aim: This study examined the effects on disinfection by-product (DBP) concentrations of common household methods for processing drinking water.Methods: We investigated the effects of refrigerator storage, jug filtering, boiling in an electric kettle, and supply from an instant boiling water unit, with or without filtering, on four species of trihalomethanes (THMs) and nine species of haloacetic ...


    By IWA Publishing

  • Soil Filters

    Soil filters (in german: Retentionsbodenfilter) are facilities for the removal of nutrients and/or pollutants; typically on the level of an industrial site, a quarter or a drainage system (sub-)catchment. Usually they are located at the discharge points to surface waterbodies to ensure water quality standards. Soil filters consist of two parts: The first part is a retention pond or basin for ...


    By IWA Publishing

  • Recycle of waste backwash water in ultrafiltration drinking water treatment processes

    In drinking water treatment, ultrafiltration (UF) membrane systems are generally operated at 90 to 95% recovery with production losses resulting from waste residual streams such as backwash water and clean-in-place (CIP) liquid residuals. In drought-prone regions, it may be desirable to apply alternative UF plant design configurations to increase recovery rates and minimize water loss. This ...


    By IWA Publishing

  • Filter refurbishment program for Southern Water in Eastrey

    Peak flow to treatment: PE of site: 2090 (550 m3/day) Formula A site Units supplied: 2 off steel 500 pe units (Rental units) Purpose of rental units: To allow for the refurbishment of trickling filter beds, initially the SAF units were used for both carbonaceous treatment and ammonia removal. Once the trickling filter beds were ...


    By WPL Ltd

  • An antimicrobial polycationic sand filter for water disinfection

    A new sand filtration water disinfection technology is developed which relies on the antimicrobial properties of hydrophobic polycations (N-hexylated polyethylenimine) covalently attached to the sand's surface. The efficacy of the filter disinfection process was evaluated both with water spiked with E. coli and with real aqueous effluent from a wastewater treatment plant. For the ...


    By IWA Publishing

  • Filter aids

    Filter aids are used to assist filtration of colloids, extra fine particles, gel like, and highly compactible materials, which are difficult to be filtered due to low filtrate rate, unacceptable filtrate clarity, high cake moisture content, or serious filter medium clogging. They can be used as “precoat” on the surface of filter media or in conjunction with feeding suspension as ...

  • Combination filters

    Simply defined, a combination filter is one that does at least one other processing job at the same time as filtering a suspension. The classic example, of course, is the packed bed of activated charcoal, which acts as a remover of chemical impurities from the suspension, as well as removing dust particles - although this is actually not a very good example, because it is primarily an adsorber, ...

  • Low cost processes for the removal of phosphates in water and wastewater

    This paper presents a synopsis of various low-cost techniques employed for the removal of phosphates from water and treated wastewater. Techniques employed include seawater flocculation and coagulation/flocculation using bittern, adsorption on fluidised raw dolomite bed, and filtration through iron and aluminium coated filter media. Seawater flocculation at a seawater concentration of 10% ...


    By Inderscience Publishers

  • Problematic algae in the sedimentation and filtration process of water treatment plants

    Problematic algae, species that do not settle or are not easily removed by water treatment processes, are common in many water treatment plants (WTPs). We recorded algae in the water that overflowed from sedimentation basins (SBs) to filtration basins of WTPs in South Korea. Diatoms were common and other algae were not discernible in the flocs. Our field observation indicated that long and ...


    By IWA Publishing

  • Treatment of oil-field produced water by combined process of Anaerobic Baffled Reactor (ABR)-Biological Aerated Filter (BAF): a pilot study

    The combined process of Anaerobic Baffled Reactor (ABR) and Biological Aerated Filter (BAF) was used to treat the oil-field produced water. The experimental results showed that for ABR the removal efficiency of oil and COD was 84.5%, 40.8%, respectively, and the ratio of BOD5/COD of the effluent increased 24.8% when the flow rate was 0.3 m³/h. For the BAF, when the hydraulic loading rate was ...


    By Inderscience Publishers

  • Treatment of wet peat mining process water with acrotelm peat

    Mechanical dewatering of wet mined peat produced peat mining process water (PMPW) with low pH (5.49) and high total suspended solids (TSS 432 mg L−1), Al (1.39 mg L−1), Fe (4.36 mg L−1), Hg (37.1 ng L−1), MeHg (0.485 ng L−1), Zn (55 μg L−1), total nitrogen (TN 7.92 mg L−1), ...


    By IWA Publishing

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