2 edition of Experimental investigation to study the performance of a short rotating disc contactor. found in the catalog.
Experimental investigation to study the performance of a short rotating disc contactor.
Written in English
M.Eng. dissertation. Typescript.
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This inhouse project was undertaken to evaluate and summarize within one document relevant design information pertaining to the rotating biological contactor (RBC) process. The information presented herein is intended to supplement, not replace, commonly-used RBC design tools such as manufacturers design manuals and catalogs and design. now rotating counterclockwise. In Figure , the mag netic field is rotating clockwise. Therefore, the direction of rotation of the magnetic field for a 3-phase induction Unit 16 Electric Motors N Phase C Figure The direction of rotation of the magnetic field is reversed by reversing any two phase wires of a.
THE KINETICS OF ROTATING BIOLOGICAL CONTACTORS TREATING DOMESTIC WASTEWATER by Abraham Pano E. J. Middlebrooks J. H. Reynolds WAT~R QUALITY SERI~S UWRL/ Q /04 Utah Water Research Laboratory College of Engineering Utah State University Logan, Utah September The main aim of this work is to identify the natural frequency of mild steel sandwich shaft disc system. An experimental evaluation is completed to evaluate the natural frequency and damping response of mild steel sandwich shaft disc system using Lab VIEW software and National Instrument’s data acquisition (DAQ) system. The validation of the experimental results carried out using ANSYS Cited by: 1.
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Abstract. The principles used in analyzing the performance of rotating disk contactor liquid extraction columns are discussed. The behavior of a swarm of drops in the rotating field is found to be adequately represented in most respects by single-drop dynamics, which leads to tested relations for countercurrent capacity, limiting drop holdup.
Hydrodynamics and Mass Transfer Performance of a Modified Rotating Disc Contactor (MRDC) This work shows the superiority of a proposed modified rotating disc contactor extraction column (MRDC) over the traditional rotating disc contactor extraction column (RDC).Cited by: Mass Transfer Performance in an Asymmetric Rotating Disc Contactor.
The volumetric overall mass transfer coefficients have been measured in a pilot scale asymmetric rotating disc contactor of mm diameter for the toluene-water-acetone system. The experiments are carried out for both mass transfer directions. Liquid-liquid extraction is one of the most important separation processes.
Different kinds of liquid-liquid extractor such as Rotating Disc Contactor (RDC) Column being used in industries. The study of liquid-liquid extraction in an RDC column has become a very important subject to be discussed not Author: Wan Nurul Aiffah Ismail, Siti Aisyah Zakaria, Nor Fashihah Mohd Noor, Ibrahim Sulong, Khairil Anuar.
model of two-stage Rotating Biological Contactor (RBC), with a provision to vary the speed of rotating blades. Grey wastewater was used to study the performance of the modified rotating biological contactor. The reactor consisted of four rotating blades in each stage, having the size of.
A Numerical Investigation of Rotating Instability in Steam Turbine Last Stage Numerical and Experimental Study for the Short Wavelength Stall Inception in a Low-Speed Axial Compressor,” Design Principles and Measured Performance of Multistage Radial Flow Microturbomachinery at Low Reynolds locopfl.com by: 5.
Liquid-liquid extraction in a “rotating disc contactor”. Abstract. Using the system water-acetic acid-methyl isobutyl ketone, the extraction performance of a “rotating disc contactor” (R.D.C.) of small diameter was investigated for various values of the rotor Cited by: Performance of Rotating Biological Contactor in Wastewater Treatment – A Review locopfl.com Abstract- The management of the medium and small scale industries feel burden to treat waste if the cost involvement is high.
Hence there is a board scope for cheaper and compact unit processes or ideal solutions for such issues. contactor (RDC) revealed that for a given set of conditions the rate of mass transfer at the rotating screen contactor is higher than that of the rotating disc contactor by a factor of – depending on the operating conditions.
The Biopack system (RBCP) is a modified rotating biological contactor and the system was applied for secondary treatment. The RBCP system produced high treatment efficiencies, COD removal was % when COD was mg/l and surface organic loading= kg COD/m2 per day and surface hydraulic loading=6 l/m2 per day.
this book. The present standard method for showing "a" and ÒbÓ Close-up of an induction-type overcurrent unit, showing the disc rotor and drag magnet.
18 FUNDAMENTAL RELAY-OPERATING PRINCIPLES AND CHARACTERISTICS Time delay is obtained in induction-type relays by a "drag magnet," which is a permanent. The mass transfer process in a perforated rotating disc contactor (PRDC) using a polymer-polymer aqueous two-phase system was investigated.
The results show that the efficiency did not show a regular trend with the increase of the dispersed phase velocity and increased with the rotation velocity.
locopfl.com is a platform for academics to share research papers. Stable performance at low energy cost The Rotating Biological Contactor Rotofix® is an aerobic biological treatment system that uses semi-submerged fixed cultures without the use of traditional blowers.
Its modular and innovative design provides the benefit of reliability, durability and low energy and operating costs. Rotofix® consists. Experimental investigation on Bio -Diesel from Rice bran oil National Institute of Technology, Tiruchirappalli: Rotating Disc Contactor, Continuous Foam Separator for enrichment of metal ions, Short Term Training Programme Attended- National Sl.
Title Duration Sponsor Venue 1. About the Journal. The Journal of Tribology publishes over outstanding technical articles of permanent interest to the tribology community annually and attracts articles by tribologists from around the world.
The journal features a mix of experimental, numerical, and theoretical articles dealing with all aspects of the field. Read more.
Zahra Anari, Elmira Katoozi and Arijit Sengupta, Establishing correlation between effective diffusivity coefficient and the mass transfer for Zn2+ column extraction by D2EHPA: An experimental and theoretical investigation, Journal of Environmental Chemical.
Rotating biological contactor (RBC) is an attached-growth biological process, which consists of a series of rotating plastic media all coated with a layer of biofilm. The biofilm or slime on the media aerobically react with substances in a waste stream for bio-oxidation and nitrification, or anaerobically react with the substances for denitri Cited by: 4.
Mar 01, · Many researchers dealt with single fault but in real life situations, combined action of two or more single faults are usually present.
Multi-faults (two and three combinations) were studied by few researchers. Researchers have mostly studied the vibration behavior of a rotor with misalignment, unbalance and rub separately. This paper presents one such case, where multiple faults are Author: S.P. Mogal, D.I.
Lalwani. A new greywater biological treatment technology was trailed and demonstrated for the first time: Greywater from baths/showers in the guest rooms is separately collected and transferred to settling tanks. After preliminary sedimentation the greywater is treated continuously in a six-stage Rotating Biological Contactor (RBC) system.
Performance and operation of a rotating biological contactor in a tilapia recirculating aquaculture system Brian L. Brazil* USDA-Agricultural Research Service, National Center for Cool and Cold Water Aquaculture, Kearneysville, WVUSA.Pounds of BOD5/day/ft of surface area.
It is important to maintain the rotation of a rotating bilogical contactor shfte because. if the shaft is stopped for long periods of time, the shaft and bearings may become flattened and permanently damaged.
This small .Saravanan, Sivakumar.V and Duraimurugan.M.D, “ Studies on some aspects of Rotating Disc contactor”, 20 th National Convention of Chemical Engineers & All India seminar on Sustainable development in chemical and allied industries, 4 th to 5 th,September