2-phase decanter Articles

  • Separation principle of decanting centrifuge

    KOSUN DC series decanting centrifuge is used in separating suspension of solids phase with particle diameter(d≥2μm) for drilling mud and fluids handling. Ruggedly built for oilfield and industrial services, it is especially effective in environmentally sensitive areas. It delivers high fluid-recovery rates and ...


  • Decanter centrifuge of accelerated settling

    A decanter centrifuge operates on the principle of accelerated settling. Particles will settle in a viscous media according to stoke’s low, ...


  • Maintenance of Oilfield Drilling Mud Decanter Centrifuge

    Decanter centrifuge is widely used in drilling mud separation to separate smaller solid particles after the equipment processing such as drilling mud shale shaker and drilling fluids mud cleaner or desander and desilter. Usually, decanter centrifuge is equipped with screw pumps or slurry pumps to feed drilling mud to ...


  • KOSUN decanter centrifuge overseas business in America

    KOSUN has expanded its overseas market. It has founded a branch in America. So, for the America market, the clients can access to choose KOSUN solids control equipment. As the hottest product, decanter centrifuge must be welcomed. KOSUN has high efficient decanter centrifuge, which operated by spinning closed containers of the mixture around a central point. The force of decanter ...


  • Common challenges relative to the use of Decanter Centrifuges for barite recovery in the oil & gas industry

    When centrifuges are properly deployed, they can have dramatic effects on drilling performance. In fact, without them, many of the advances made in drilling would not have been considered achievable. Classically, we believe that centrifuges can achieve two common goals: Reduce the content of drilled fines, specifically colloidal solids, and Perform barite recovery in order to reduce ...


    By Elgin Separation Solutions

  • Bio-remediation of pendimethalin contaminated soil by bio-slurry phase reactor: bio-augmenting with ETP micro-flora

    Bio-remediation of pendimethalin contaminated soil (500 µg/g) was studied in a bio-slurry phase reactor operated in the sequencing batch mode under anoxic–aerobic–anoxic micro-environment. The effect of augmentation with ETP micro-flora on the process performance of the reactor was also evaluated. The reactor was operated with a total cycle period of 120 hours comprising 3 hours of fill, 114 ...


    By Inderscience Publishers

  • N2O emission from full-scale urban wastewater treatment plants: a comparison between A2O and SBR

    The emission of nitrous oxide (N2O) from full-scale anoxic/anaerobic/oxic (A2O) and sequencing batch reactor (SBR) processes was measured to evaluate N2O emission from urban wastewater treatment plants (WWTPs). The results showed that N2O flux in the A2O WWTP followed an order of A2O-oxic zone > aerated grit tank >> ...


    By IWA Publishing

  • Environmentally friendly sequencing batch reactor design keeps noise, energy & capital costs low

    Perry Township in Fayette County, Pennsylvania is one of the first SBR plants to utilize a surface mounted process aerator/mixer, which is a significant improvement over the traditional diffused air network designs. The new layout offers substantial capital investment savings as well as significant reductions in noise, operations/ maintenance, and energy consumption. KLH Engineers, Inc., ...

  • Efficiency of conventional drinking water treatment process in the removal of endosulfan, ethylenethiourea, and 1,2,4-triazole

    The aim of this work was to study the removal of three pesticides using conventional drinking water treatment (DWT) processes. These methods are the most used in Brazil, and include coagulation–flocculation of water. The pesticides/metabolites evaluated were: endosulfan, ethylenethiourea (ETU), and 1,2,4-triazole. The laboratory tests were carried out in triplicate using the jar test. ...


    By IWA Publishing

  • Salmon Processor

    The water is from a salmon processor where they are using an Andritz 3 phase decanter centrifuge to recover the oil in the salmon parts after packaging the salmon for human consumption. The oil is very valuable for use in the health food industry. The Andritz centrifuge recovers 90% of the oil from the wastestream, but leaves a residual oil emulsion that needs to be treated prior to discharge to ...


    By Integrated Engineers Inc.

  • Equipment List for full solids manage & drilling waste

    Solids Handle & drilling waste management are pretty important for drilling contractor. If they manage this division well, they can save lots of money on drilling mud / drilling chemicals, also they can be environmental friendly. There is much equipment needed for solids control & drilling waste ...


  • Pollution reduction and biodegradability index improvement of tannery effluents

    Al2 (SO4)3, 18H2O, FeCl3 and Ca (OH)2 were used for the treatment of tannery wastewaters. The influences of pH and coagulant dosages were studied. Conditions were optimised according to the pollutant removal efficiencies, the volume of decanted sludge and the biodegradability index improvement. The results indicate that 67-71% of total COD, 76-92% of color and 79-97% of chromium can be removed ...

  • Case Study: Truck Wash

    This facility washes out the internal tanks of tanker trucks. Generating 10,000 gallons/day of wastewater consisting of the residual liquid within the tanks combined with soaps, acids, and caustic cleaning products. The wastewater flowed into a central sump and was pumped into one of their two 5000 gallon Reaction Tanks. The operator then added Ferric Chloride (40 gallons), sulfuric acid (10 ...


    By Integrated Engineers Inc.

  • The Application of Waste Solids Management Vertical Cuttings Dryers as an integral element of a successful Solids Control System

    In Elgin’s last White Paper, “Common Challenges Relative to the Use of Decanter Centrifuges for Barite Recovery in the Oil & Gas Industry,” a detailed discussion was offered about the complexities involved in achieving effective solids control when deploying a dual-centrifuge “barite ...


    By Elgin Separation Solutions

  • Development and optimization of a sequencing batch reactor for nitrogen and phosphorus removal from abattoir wastewater to meet irrigation standards

    A sequencing batch reactor (SBR) was used for the treatment of abattoir wastewater to produce effluent with desirable nitrogen and phosphorus levels for irrigation. The SBR cycle consisted of an anaerobic phase with wastewater feeding, a relatively short aerobic period (allowing full ammonium oxidation), a second anoxic period with feeding, followed by settling and decanting. This design of ...


    By IWA Publishing

  • SBR Wastewater Treatment Provides Large Clean-up on Small Site

    One of the largest capacity wastewater treatment plants in Europe is under construction on a small plot of land at Ringsend, on Dublin Bay in Ireland. Sequencing batch reactor (SBR) technology and 100,000 diffusers from ITT Industries' Sanitarie unit was selected to meet the challenging waste treatment needs for this site. When Dublin's wastewater treatment plant was built in the 1970s, it ...


  • Microfiltration for treatment of waste filter washwater at water treatment plant

    The North Jersey District Water Supply Commission (Commission) serves about 2 million consumers from its 210 mgd water treatment plant (WTP) in Wanaque, New Jersey, about 25 miles northwest of Manhattan. Raw water is obtained primarily from the adj acent Wanaque Reservoir, and the nearby Pompton and Ramapo Rivers. The Wanaque WTP provides conventional treatment with chiorine as primary ...


    By Pall Corporation

  • The use of oilfield shale shaker

    Shale shaker for solids control are devices that remove drill cuttings from the drilling fluid while circulating and drilling. There are many different designs and research into the best design is constantly ongoing since drilling fluids solids control is vital in keeping down costs associated with the drilling ...


  • Dairy Products

    Problem: This dairy located in Northern California is a major supplier of consumer milk products. The plant had been discharging their wastewater to the local sanitation plant untreated. Due to industrial growth in the area, the sanitation plant could no longer accept the dairy effluent. The dairy, therefore, selected and installed a Sequential Batch Reactor (SBR) system to treat their ...


    By HydroCal Inc.

  • Usen

    “Oil is not only an important sector of our industry but also a symbol of the independence of our country, of the hope for a better future”. These were the words of President Nursultan Nasarbayev in September 1999, commemorating the 100th anniversary of the formation of the oil and gas industry. The oil industry in Kazakhstan has existed for more than 100 years, however a significant boom in this ...


    By Flottweg SE

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