Oil Water Separation Articles

  • Anti-fouling graphene oxide based nanocomposites membrane for oil-water emulsion separation

    Anti-fouling copper hydroxide nanowires (CHNs)-graphene oxide (GO) nanocomposites membrane was fabricated by a vacuum-assisted filtration self-assembly process. CHNs were covered on the surface and inserted into the interlayers of the GO nanosheets to form the rough surface and nanostructure channels. The membrane with water contact angles (CAs) of 53° and oil CAs of 155° exhibited superior ...


    By IWA Publishing

  • Combination of novel coalescing oil water separator and electrocoagulation technique for treatment of petroleum compound contaminated groundwater

    In the present study a combination of a novel coalescing oil water separator (COWS) and electrocoagulation (EC) technique was used for treatment of petroleum product contaminated groundwater. In the first phase, COWS was used as the primary treatment. Two different types of coalescing media and two levels of flow rates were examined in order to find the optimum conditions. The effluent of COWS ...


    By IWA Publishing

  • Research of novel process route and scale-up based on oil-water separation flotation column

    A novel process ‘coalescence-airflotation-carrier preferential adsorption’ utilising an oil-water separation flotation column with a unique structure was used in the oil-water separation field. The oil-water separation flotation column contains the cyclonic separation and airflotation separation which has advantages in oily sewage treatment, especially in polymer-flooding-drive oily sewage ...


    By IWA Publishing

  • Removing heavy iron deposits improves effluent output and Decreases costs - Case Study

    The Problem At a local manufacturing facility, ground water pumped with #6 oil was heavily impacted with iron deposits. Heated water and product was being pumped into the existing oil water separator, but the iron fouling the unit and the downstream carbon filter and dry well limited flow. Frequent carbon replacement was required and was very costly. The ...


    By Hydro Quip, Inc. (HQI)

  • Oil Water Separator Maintenance

    Oil water separators (OWS) can be co$tly to maintain, $20,000 or more on average per cleaning and if not properly managed, can be very expensive conduits of pollution. Have you taken steps to minimize the effects and consequences on your operating co$t? When was your facility’s last OWS maintenance ...

  • Synthesis of graphene oxide–SiO2 coated mesh film and its properties on oil–water separation and antibacterial activity

    Oil–water separation has recently become a worldwide challenge due to the frequent occurrence of oil spill accidents and increasing industrial oily wastewater. In this work, the multifunctional mesh films with underwater oleophobicity and certain bacteriostatic effects are prepared by layer-by-layer assembly of graphene oxide-silica coatings on stainless steel mesh. The mesh film exhibits ...


    By IWA Publishing

  • High Capacity Advancing Oil Recovery System performance testing at Ohmsett for the Wendy Schmidt oil cleanup X challenge

    Abstract Ohmsett - The National Oil Spill Response Research & Renewable Energy Test Facility was selected as the test venue for the $1.4 Million Wendy Schmidt Oil Cleanup X CHALLENGE. The competition was designed to inspire a new generation of innovative solutions for recovering spilled oil from the seawater’s surface. Ten finalists, selected from more than 350 entries ...


    By OHMSETT

  • Evaluation of sweep efficiency in flooding process of reservoir development using substitution index

    On the basis of a mathematically proposed concept, substitution index (SI), a practical method has been successfully applied to accurately evaluate the sweep efficiency during the development of reservoirs (e.g., waterflooding or polymer flooding). More specifically, the region that is swept by the injected water or the degree of sweeping in a specific region can be quantitively determined by ...


    By Inderscience Publishers

  • Long core physical simulation for CO 2 flooding in low permeability reservoir

    CO 2 flooding is a proven great method to be used for enhancing injection capacity and increasing oil production in low permeability reservoir. In this paper, based on the natural cores and crude oil of Jilin oilfield, three sets of long core tests were conducted to study oil recovery, GOR and pressure variations during water flooding and CO 2 flooding. The performance of advanced CO ...


    By Inderscience Publishers

  • Experimental investigation of water alternating CH 4 -CO 2 mixture gas injection in light oil reservoirs

    This paper studies a WAG process for improving the recovery efficiency in light oil reservoirs. Until now, few references have reported the role of CO 2 mole percent on recovery improvement in light oil reservoirs. The injected gas was changed, and the effect of composition changes on performance of core flood experiments were conducted at fixed flow rate. Five series of experiments (varied in ...


    By Inderscience Publishers

  • Basic Oil Water Separator Design

    A description of the theory behind oil water separators and how they work. Explains Stokes Law, the factors within Stokes Law and how each one of them effects the performance of an oil water separator. Provides a brief history of how oil water separators were developed and the importance of droplet distribution to performance of an oil water separator. Provides a description of laboratory trials ...

  • Skyharvester UNUM Insurance case study

    Objective: To reduce municipal water usage at UNUM’s new Corporate Headquarters site in Chattanooga, TN. Site Specifications & Known Requirements: Harvested water usage to be 100% irrigation. Urban location Average gallons of water needed per week: 7,950 Maximum gallons of water needed during peak summer weeks: ...


    By Lindsay Corporation

  • UK tax breaks stimulate renewed activity

    A combination of sustained high oil prices, limited economic recovery and supportive government tax policy, most notably in the UK led to an increased number of field start-ups in the North Sea in 2012 compared to the previous year, writes Chris Skrebowski. The maturity of the North Sea is clearly shown by the ongoing oil production declines seen for the three major producers - Norway, the UK and ...


    By Energy Institute (EI)

  • On-Site Bioremediation Of Oily Waters At The Maintenance Facility Of South Jersey Port Corporation, Camden, NJ

    Water from the maintenance shop in South Jersey Port Corporation in New Jersey was contaminated with free oil and grime during pressure washing of port vehicles. The shop would wash at least four vehicles in a day. Wash water was released through an oil water separator system using absorbent socks and diapers to absorb the oil before release into the waste stream as per the directive of the local ...


    By Sarva Bio Remed, LLC

  • Simple method estimates the variation of oil production rate with oil–water viscosity ratio and water injection rate

    The proper design and maintenance of waterfloods requires comprehension of how viscous oil can be displaced by water, and how oil recovery can be optimised. In this work, simple predictive tools are developed to rapidly investigate the variation of heavy oil production rate with oil water viscosity ratio and water injection rate for 5–spot waterflood. Estimations are found to be in excellent ...


    By Inderscience Publishers

  • Series TJ Coalescence-separation Oil Purifier

    Series TJ Coalescence-separation oil purifier adopts advanced polymer fiber as the filter medium combined with the special oil-water separating device to make TJ is good at breaking emulsion and filtering. It can effectively separate water from oil. Series TJ can work online with turbine system for breaking emulsion and filtering, also it can separate particles and mass water from light oil. ...


    By rier oilpurifier company

  • Free-Product Recovery Methods and Issues

    During my 33 years in the environmental field, I have been involved in a lot of sites with free product.  In the 1980’s light non-aqueous phase liquids (LNAPL) such as gasoline were removed by the following methods: Bailing with a hand bailer from a well Pumping with a 2 pump system (depression pump and product pump) Pumping with a total fluids pump and separating ...


    By Enviro-Equipment, Inc.

  • Petroleum Hydrocarbons in Wastewater

    A wastewater treatment company established and operates an oil/water separation facility on a multi-acre industrial site in Northern California. Its purpose is to recycle oil products for profit while at the same time provide a wastewater treatment service for industries based in Northern California. The oily water mixes processed by the company are obtained from tanker bilges, contaminated ...

  • DFW direct bury of storm sewer case study

    Airport Solutions North Texas Contracting has placed the first HOBAS pipe at DFW International Airport in the Dallas/Fort Worth mid-cities. That first installation was a repair to an 84-inch corrugated steel culvert that had failed and created a sink hole approximately 30 feet deep and almost 20 feet in diameter after a series of heavy rains in 2007. North Texas Contracting of Keller, Texas ...


    By Hobas Pipe USA

  • Measuring level of crude oil case study

    MonoScan provides an economical ultrasonic solution for measuring level of crude oil in one of Kaliningrad's well known oil fields. The Eastern Gorino oil field located in Gorino, Kaliningrad near the border of Lithuania, contains 11 oil wells and is capable of producing 200 tons of crude oil per day. The Kaliningrad Geological Oil & Gas company, which owns the field, sought a solution for ...

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