water discharge Articles

  • Analysis of peCOD Technology and Comparison to Dichromate Method

    Bridgnorth Aluminium is a UK-based company that makes high-quality aluminum products for the lithographic industry. Their desire to reduce water consumption and improve process efficiency, led to a 6 figure investment in a new, on-site, effluent treatment plant. Their aim is to reduce water discharge, conform to stringent water authority requirements, increase recycling of water on-site ...


    By MANTECH

  • Aquaporin Hollow Fiber FO Membrane Modules (AQPHFFO2)

    Aquaporin hollow fiber membrane modules for forward osmosis studies are now available from Sterlitech. AQP HFFO2 is a cross flow membrane module containing Aquaporin Inside hollow fiber membranes. With an Aquaporin Inside coating on the interior surface of the hollow fibers (lumen side), the feed solution is circulated in the lumen and the draw solution is circulated in the shell. ...


    By Sterlitech Corporation

  • Zero Discharge Plants

    When the client desires to comply with certain company policies or local regulations requiring him to avoid any final discharge, a series of treatments need to be considered in order to recycle the water and dispose of the residual matter. First of all, Panta Rei provides a proper biological treatment in order to carry out the degradation and reduction of the main pollutants such as BOD, COD and ...


    By Panta Rei Srl

  • Case study – oil removal prior to water discharge

    Customer: Distributor of industrial gases located in Louisiana, USA.   The Problem: Oil and grease from pumps, truck loading stations, and other sites flow through a 2’x 2’ below ground settling basin.  Oil and grease discharging to the local wastewater treatment plant.  Water discharge limits had oil concentration ...


    By SkimTech Inc.

  • Online discharge measurement with OTT SLD

    Background For the economic management of the waterways between Elbe and Oder it is essential to know the discharge of these rivers at defined locks. The authority for water and navigation (WSA) in Lauenburg operates hydrological stations for the measurement of water level and discharge to effectively regulate the water flow at the locks in Plau and Malliß ...


    By The OTT Hydromet Group

  • Case study - Discharge measurement at the river

    Due to the seasonally strong weed growth and low flow during low water periods the measurement of water level and flow at the measurement site "Kleinraschuetz“ was rather distorted. It had to be corrected by putting in additional manpower for manual measurements. Therefore it was decided to modernize the station completely and to install a stationary discharge measuring system. The ...


    By The OTT Hydromet Group

  • Situation analysis of China’s wastewater discharge

    Great progress has been made in reducing China’s water pollution after decades of efforts. From the perspective of wastewater discharge, the situation of wastewater discharge since 1985 is analysed in this study, with importance attached to industrial wastewater, including wastewater from township enterprises, and to municipal domestic wastewater. In general, the total wastewater discharge in ...


    By Inderscience Publishers

  • A zero discharge installation for Mondi Packaging

    Answering the request of Mondi Savoie  (La Rochette), ECA (Environnement et Chimie Appliquée), worked-out a technico - economical survey on the several treatments, recycling and/or valorisation solutions for its flexo printing and starch glue effluents. After this study, ECA defined and realized a zero discharge installation treating the water fluids. Mondi Savoie, one of the French factories of ...


  • Cruise ship discharge assessment report

    Cruise ships operate in every ocean worldwide, often in pristine coastal waters and sensitive marine ecosystems. Cruise ship operators provide amenities to their passengers that are similar to those of luxury resort hotels, including pools, hair salons, restaurants, and dry cleaners. As a result, cruise ships have the potential to generate wastes similar in volume and character to those generated ...

  • Corrugated Printing Facility Zero Discharge

    This company imports corrugated board and prints the labels using a flexographic machine. The facility had a wastewater treatment system using the traditional liquid chemistry of aluminum chloride, caustic for pH adjustment, and an anionic flocculant. The effluent was often out of compliance due copper from the color pigments in the inks. The system required continual adjustment of the 3 ...


    By Integrated Engineers Inc.

  • Case study - Ocean effluent discharge

    British Columbia’s fly-in recreational fishing lodge industry was threatened by federal regulators to be closed or fined up to $200,000 unless the sewage wastewater was treated. NOMADIC kept them open and operating. Three types of fly-in recreational fishing lodges are located on the west coast of British Columbia operate 6 – 8 weeks per year, employ approximately 500 persons for the ...


    By Nomadic Systems

  • Confined plasma gliding arc discharges

    A confined plasma gliding arc is produced in a reactor with two-electrodes contained within a very narrow channel and water spray injected into the discharge. The evolution of pH and conductivity and the formation of hydrogen peroxide in pure water with different carrier gases and the decolourisation and mineralisation of an organic dye were compared with results for a non-confined ...


    By Inderscience Publishers

  • The Ganges water-sharing treaty: risk analysis of the negotiated discharge

    Bangladesh and India have resolved the Ganges water-sharing problem by signing a thirty-year treaty in December 1996. Both countries share the dry season (January-May) discharge of the Ganges River at Farakka, West Bengal, India. The sharing season is divided into fifteen 10-day cycles. The treaty is based on the discharge of the Ganges at Farakka over the period 1949-1988, taking the average ...


    By Inderscience Publishers

  • Fibra™ lets Tarmac reuse water & meet EA discharge requirements

    Innovative Features Following a period of continuous growth, full-scale FibraTM filters have been installed at two Tarmac pre-cast concrete sites for removal of contaminants from wastewater. The solution has proven particularly effective at other similar sites and other comparable industrial applications. These industries have traditionally discharged the wastewater to sewer because it has ...


    By Clarity Authoring

  • Potential health implications of water resources depletion and sewage discharges in the Republic of Macedonia

    Potential health implications of deficient sanitation infrastructure and reduced surface water flows due to climate change are examined in the case study of the Republic of Macedonia. Changes in surface water flows and wastewater discharges over the period 1955–2013 were analyzed to assess potential future surface water contamination trends. Simple model predictions indicated a decline in ...


    By IWA Publishing

  • Skimmer with rolling stand helps prevent oily water discharge

    Despite continuous replacement and upgrading of fittings, it is difficult to entirely eliminate hydraulic and lubricating oil coming from machines during normal operations and maintenance activities. This oil ends up in different pits used to collect wastewater throughout the plant. Because of high oil content, city officials would not allow plant wastewater to enter the Longmont sanitary sewer ...


    By Abanaki Corporation

  • Best management practices (BMPS) for discharging water from a construction site

    Having problems on your job site with regulations related to pumping water from your site? Discharge water may carry harmful compounds that can, and have affected our water quality and the ecosystem, hence the environmental agencies concerns. When pumping from dewatering systems, storm water management ponds (SWMPs), excavations or trenches, or any form of surface runoff, BMPs are needed to ...


    By Aquatech Dewatering Company

  • Privatization and Outsourcing Storm Water Discharge Requirements: Simplification Through Automated Sampling

    ABSTRACT Kelly Air Force Base (KAFB) is a large industrial complex that is currently undergoing a Base Realignment and Closure (BRAC) action. Privatization is occurring concurrently with the base closure and realignment. The base maintains both two Environmental Protection Agency (EPA) National Pollutant Discharge Elimination System (NPDES) and two Texas Natural Resource Conservation ...


    By Weston Solutions, Inc

  • VSEP recovers fuel and creates a clean water stream that exceeds discharge requirements

    Fuel storage tank bottom water (FSTBW) is one of several types of petroleum contaminated wastewater sources that can be treated using V✧SEP technology. The source of FSTBW, as suggested by its name, is simply water that separates from petroleum products that are being stored and transported in large quantities. This water that is periodically removed from the storage tanks in order to be ...


    By New Logic Research, Inc.

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