discharge pipe Articles

  • Lagoon Discharge Flow Monitoring

    Open Channel Flow Monitoring without a Flume or Weir Township operators liked the Greyline AVFM 5.0 datalogger reporting system where formatted flow reports (total, minimum, maximum and average) could be downloaded automatically to a USB memory stick without carrying a laptop to the site. The Township of South Glengarry in Eastern Ontario discharges continuously from their ...


    By Greyline Instruments Inc.

  • Is there mercury in your industrial wastewater discharge?

    An assessment of sampling locations for three industrial wastewater effluent piping systems is presented. The assessments provided demonstrate that by installing sampling ports at the appropriate location along an effluent stream’s piping system, truly representative samples can be collected. These real and accurate results scientifically prove that a specific industrial wastewater ...


    By Practical Applications, Inc.

  • 5 Tips - SRS Crisafulli Temporary Discharge Tubing

    By Isaiah Helm, SRS Crisafulli Applications Engineer The 2011 battle against the flooding Missouri, Mississippi, and Souris Rivers has been in the news.  The Souris River winds its way down from Canada into the Minot, North Dakota area and then back to Canada. Spring and Summer of 2011 saw real flooding ...


    By SRS Crisafulli, Inc.

  • Quantifying Sub-Surface Discharges from Individual Sewer Defects

    ABSTRACTThe California Regional Water Quality Control Board, Santa Ana Region (RWQCB) required wastewater collection agencies in Orange County to report discharges from “pipe breaks, leaking sewer pipes and joints, and other subsurface discharges of wastewater.” The Orange County Sanitation District (OCSD), in conjunction with a research team from University of California, Irvine (UCI), developed ...

  • Five common problems with zero liquid discharge and how to solve them

    As more and more facilities are turning to zero liquid discharge (ZLD) for wastewater treatment and effluent reduction—whether it’s to comply with local discharge regulations or recycle and reuse as much water as possible in your process—more information is becoming available about the possible issues your facility might face while using ZLD technology. Because of the scope of ...


    By SAMCO Technologies, Inc.

  • Treatment of the city of Oudenaarde (Belgium) sewage discharge canal case study

    Executive Summaryc A canal responsible for carrying sewage away from the City of Oudenaarde to the Scheldt River was partially dammed in 1965 leaving an area of open water of approximately 1 hectare (600 meters by 17 meters). As the canal was only partially dammed, water from the canal continued to flow into the Scheldt River. Two large municipal sewage collection discharge pipes ...


    By Nordevco Associates Ltd.

  • 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

  • The effect of pipe collectors in reducing the drainage coefficient rate

    A high groundwater table and soil salinity, especially in arid regions, often cause serious problems for agriculture. In irrigated areas the subsurface drainage can be an effective technique to lower the depth of the groundwater table and reduce soil salinity. In drainage systems, lateral pipes are designed to collect the free water from soil and convey it into collectors. In other words, ...


    By IWA Publishing

  • Stormwater and Spill Management at an Iron Pipe Foundry in Texas

    ABSTRACTLarge industrial sites have had permits for storm water discharges under the NPDES program of the Clean Water Act since the mid to late 80’s. Recent emphasis has been placed on regulated facilities to prepare and implement Spill Prevention, Control and Countermeasure (SPCC) plans under the Oil Pollution Prevention Act (40 CFR 112). A large iron pipe foundry in Texas has several storm ...

  • FGD Recycle Pipe & Header - Case Study

    Project: FGD RECYCLE PIPE & HEADER Client: A U.S. coal-fired power plant General Scope: 76” diameter recycle pipe system Engineering/Procurement: Advatech LLC. Resin & Laminate Construction: Hetron 922 vinyl ester was selected for the service. All pipe had an interior ...


    By Fibrex Corporation

  • Application of unidirectional flushing in water distribution pipes

    In this study unidirectional flushing (UDF) was conducted to improve the effectiveness of deposit removal from internal pipe walls and to provide information on pipe networks to enable operators to implement flushing in field. Four ductile cast iron pipes with epoxy-lined and cement-lined were selected for the practice of UDF. Water pressure was measured using a data logger equipped with a ...


    By IWA Publishing

  • Monitor Dredging Slurry Flow from Outside the Pipe

    Dredging Equipment Manufacturers Choose Non-Contacting Greyline Flow Meters The Challenge Thousands of dredges are operated to maintain navigation channels in our rivers, lakes and harbours and to mine sand and gravel for the construction industry. Managing and optimizing production from a dredge requires continuous monitoring of pipeline pressure, vacuum ...


    By Greyline Instruments Inc.

  • Microbe Edition: FOG How In-Pipe Technology Works

    Fats are esters of fatty acids and glycerol which are normally solid at room temperature. Oils are esters of fatty acids and glycerol which are normally liquid at room temperature. Grease is a general term used to describe a soft or melted animal fat or a lubricant (Campbell, 1999). Collectively they are referred to as fats, oils, and grease (FOG). The degradation of FOG that collects within the ...

  • AVFM 5.0 area-velocity flow meter monitors sewage lagoon discharge flow

    The Township of South Glengarry in Eastern Ontario discharges continuously from their 72,000 m3 sewage lagoon. But they ran into flow measurement problems when their magnetic flowmeter was unable to detect seasonal low flow rates. Operations Manager, Shawn Killoran selected a Greyline AVFM 5.0 Area-Velocity Flow Monitor because it was simple to install in a horizontal discharge pipe from the ...


    By Greyline Instruments Inc.

  • A simple and flexible field-tested device for housing water monitoring sensors at point discharges

    The Water Monitoring Enclosure (WME) provides a simple and flexible housing for many types of sensors for continuous measurements of water parameters (physical, chemical, or biological) and provides the opportunity of representative sampling for external analyses. The WME ensures a minimum internal water level and this ensures that the internal monitoring equipment remains submerged even when ...


    By IWA Publishing

  • The Monitoring and Pre-treatment of Brewery Trade Waste Prior to Discharge: Carlton & United Brewery

    Carlton United Brewery installed a Trade Waste Monitoring System to analyse the temperature, flows, pH and chemical compounds in their trade wastewater. This cleaner production initiative was a licensing condition of the Northern Territory's Power and Water Authority (PAWA). As a result of the pretreatment, CUB is able to discharge their brewery wastewater to sewer. Background ...


  • Continuous Real Time Water Monitoring for Radiation Safety Terrorist Attack, Improper Disposal of Industrial Waste, Accidental Discharge

    Safe drinking water is essential to life on earth. Unfortunately, this vast infrastructure suffers from critical vulnerability. Keeping America safe with continuous real time water monitoring is a vital goal and is currently being addressed for biological and chemical risks. For monitoring of radionuclides in drinking water as recommended in the Safe Drinking Water Act 8, the Clean Water Act 9, ...


    By Technical Associates

  • Influence of porous media on intrusion rate into water distribution pipes

    Untreated water can intrude into water distribution systems through pipe leaks and cracks when negative pressure events occur inside drinking water pipelines. The orifice equation is typically used for calculation of intrusion flow rate, which ignores the impact of the soil surrounding the pipeline. This paper presents the results of an experimental study on the effect of porous ...


    By IWA Publishing

  • Uncertainties of inverse transient modelling with unsteady friction and pipe-wall viscoelasticity

    The current paper aims at the discussion of the uncertainties of hydraulic transient modelling using the classic method of characteristics and incorporating unsteady friction (UF) and pipe-wall viscoelasticity. A two-stage calibration procedure is used for estimating the model parameters: the first stage refers to the calibration of steady state conditions and the second stage to the transient ...


    By IWA Publishing

  • Transient tests for locating and sizing illegal branches in pipe systems

    In pipe systems illegal branches can take away remarkable water resources with negative effects from both the economic and technical points of view. Difficulties in pointing out illegal branches by means of steady-state pressure and discharge measurements are mainly due to the fact that, of course, such systems are not active according to a regular time schedule. In this paper the possibility of ...


    By IWA Publishing

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