blanketing Articles

  • Technical Focus: Sludge Blanket

    Regardless of treatment process, sludge blanket control is an important aspect of any wastewater treatment plant, and correct monitoring and treatment of sludge is paramount for efficiency and cost control. Manual monitoring of sludge blanket levels is an occasional and often rushed method of control and can lead to inaccuracies being compounded over time, potentially leading to overspill into ...


    By Partech (Electronics) Ltd.

  • Sludge Blanket Theory: Digging deeper

    With over 50 years of design and manufacturing experience, we are rightly proud of our British-built environmentally friendly SludgeWatch 715 Sludge Blanket Detector. Our user-friendly design is highly portable, simple to use and along with its low cost has worldwide appeal. Things have changed somewhat since our first Sludge Blanket Detector was made back in 1974. No more messy man-handling of ...


    By Partech (Electronics) Ltd.

  • Novel method for sludge blanket measurements

    The most widely used methods for sludge blanket measurements are based on acoustic or optic principles. In operation, both methods are expensive and often maintenance-intensive. Therefore a novel, reliable and simple method for sludge blanket measurement is proposed. It is based on the differential pressure measurement in the sludge zone compared with the differential pressure in the clear water ...


    By IWA Publishing

  • Parameters affecting steady-state floc blanket performance

    A laboratory-scale reactor was used to simulate a water treatment process sequence of rapid mix, hydraulic flocculation, upflow clarification with a floc blanket, and lamellar sedimentation to accomplish removal of colloidal particles. This study focused on variables affecting performance of the floc blanket including: provision of hydraulic flocculation, raw water turbidity, coagulant dose, ...


    By IWA Publishing

  • Up Flow - Anaerobic Sludge Blanket Reactor (UASB)

    About Anaerobic Wastewater Treatment Anaerobic Wastewater Treatment is a wastewater treatment system using biology that without using of air or oxygen. It aimed to remove organic pollution in wastewater, slurries and sludge. Anaerobic microorganisms convert organic pollutants into a “biogas” which contains methane and carbon dioxide.1 About Up ...


    By IWA Publishing

  • New sludge blanket level analyzer from Entech

    Entech Design, Inc.’s BinMinder 9300 features a multi-channel analyzer designed for superior sludge level detection in the full range of water and wastewater applications. The system consists of an analyzer that is capable of operating from one to four sensors or transducers for reliable and cost-effective measurement. Measurements are made by transmitting a high frequency sound wave and ...


    By Entech Design, Inc.

  • Treatment of slaughterhouse wastewater in upflow anaerobic sludge blanket reactor

    The performance of an upflow anaerobic sludge blanket (UASB) reactor operated at ambient temperature (20.9–25.2°C) was analysed for the treatment of slaughterhouse wastewater previously pre-treated for solid separation. The experimental work was carried out in a reactor with 15 L effective volume. Four organic loads were applied and the process performance was evaluated. The COD removal rate ...


    By IWA Publishing

  • Argon and Nitrogen in Glove Boxes and Blanketed Chambers case study

    Application Moisture is measured in argon or nitrogen when it is used as a blanketing gas in glove boxes and other blanketed applications. Problem The presence of moisture in the blanket gas for a glove box causes serious contamination problems especially when welding or conducting moisture-sensitive chemical reactions. Moisture causes product contamination, ...

  • Decolorization and degradation of cationic red X-GRL by upflow blanket filter

    An anaerobic upflow blanket filter (UBF) was employed for the treatment of dye wastewater containing cationic red X-GRL (X-GRL) in this study. The bacterial community in the UBF at its stable state was investigated by polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE). The results showed that all color and the majority of chemical oxygen demand (COD) ...


    By IWA Publishing

  • Sludge Blanket Level Detection – making new process opportunities possible

    Much Pulsar's Self-Cleaning Viper Sludge Sensor of the demonstrating the effective maintenance-free solution. discussion around the way we deal with sewage sludge – the way it is moved around the process, the bellmouth valves and decant processes, the downstream treatment of the liquors, important issues around TOTEX and discharge Compliance, plus more recently the ...

  • Online interface/sludge blanket level analyzers performance evaluation report

    Following is a review of the ITA report on independent field evaluation of ultrasonic sludge level analyzers provided by four manufacturers. The evaluation was conducted over a period of 15 weeks at the Blue Plains Advanced Wastewater Treatment Plant in Washington, ...


    By Entech Design, Inc.

  • Treatment of domestic wastewater using upflow anaerobic sludge blanket reactor

    This paper presents the findings of the study on treatment of domestic wastewater using a laboratory scale Hybrid Upflow Anaerobic Sludge Blanket (HUASB) reactor. The reactor with a working volume of 5.9 L and plastic cut rings as packing media was operated at varying Hydraulic Retention Time (HRT) for a period of 110 days. While the COD removal varied from 75-86%, the BOD removal was in the ...

  • Lipid Degradation in a Two-Phase Anaerobic SBR and Upflow Anaerobic Sludge Blanket

    LCFAs, the intermediate products in lipid biodegradation are known to inhibit microorganisms by their toxicity and floatation. To reduce LCFA inhibition, two-phase anaerobic system, consisting of anaerobic sequencing batch reactor (ASBR) and upflow anaerobic sludge blanket (UASB) reactor, was applied to synthetic dairy wastewater. During 153 days of continuous operation, two-phase system showed ...

  • Start-up of upflow anaerobic sludge blanket reactor at brewery case study

    Start-up Seed Sludge Augmented Using Microcat - UASB BioBlend Problem The commissioning of a new wastewater treatment system consisting of an upflow anaerobic sludge blanket reactor (UASB) can be slow and expensive. In this case the UASB is followed by an aerobic activated sludge treatment system at a brewery.The system is located in a rapidly growing part of ...


    By Bioscience, Inc.

  • Pilot scale evaluation on ferric floc sludge concentration with pelleting flocculation blanket process

    Pelleting flocculation blanket (PFB) process has been successfully applied to high turbidity suspensions for high efficient solid/liquid separation. In this paper, by using the PFB process, a dynamic experimental study was carried out on concentrating ferric flocs sludge with a scale of 1.3–5.4 m3/h. The pilot experiment aimed to optimize the conditioning system and determine the ...


    By IWA Publishing

  • Mathematical modeling of upflow anaerobic sludge blanket (UASB) reactor treating domestic wastewater

    Although the upflow anaerobic sludge blanket (UASB) reactor has been widely applied for domestic wastewater treatment in many developing countries, there is no sufficient mathematical model for proper design and operation of the reactor. An empirical model based on non-linear regression was developed to represent the physical and chemical removal of suspended solids (SS) in the reactor. ...


    By IWA Publishing

  • Pilot scale evaluation on ferric floc sludge concentration with pelleting flocculation blanket process

    Pelleting flocculation blanket (PFB) process has been successfully applied to high turbidity suspensions for high efficient solid/liquid separation. In this paper, by using the PFB process, a dynamic experimental study was carried out on concentrating ferric flocs sludge with a scale of 1.3–5.4 m3/h. The pilot experiment aimed to optimize the conditioning system and determine the operational ...


    By IWA Publishing

  • Enhanced Lipid Degredation in Upflow Aanerobic Sludge Blanket Reactor by Inetergration with Acidogenic Reactor

    INTRODUCTIONLipids are the major organic component in wastewaters from many industries including dairy product, edible oil refinery, slaughterhouse and wool scouring (Pereira et al., 2001). By anaerobic bacteria, lipids can be degraded via hydrolysis and β-oxidation to acetate and hydrogen, which in turn are converted to methane. A large amount of CH4 can be produced from lipids because they ...

  • Grey water treatment in upflow anaerobic sludge blanket (UASB) reactor at different temperatures

    The treatment of grey water in two upflow anaerobic sludge blanket (UASB) reactors, operated at different hydraulic retention times (HRTs) and temperatures, was investigated. The first reactor (UASB-A) was operated at ambient temperature (14–25 °C) and HRT of 20, 12 and 8 h, while the second reactor (UASB-30) was operated at controlled temperature of 30 °C and HRT of 16, 10 and 6 h. The two ...


    By IWA Publishing

  • Phenol degradation and microbial characteristics in upflow anaerobic sludge blanket reactors at ambient and mesophilic temperatures

    A synthetic wastewater containing phenol as sole substrate was respectively treated at temperatures of 26±1°C and 37±1°C in 2.8 litre upflow anaerobic sludge blanket (UASB) reactors. At the two temperatures, pH 7.0?7.5, with a 1:1 effluent recycle ratio, phenol in wastewater was efficiently degraded in a UASB reactor. Microbial community analysis using denaturing gradient gel electrophoresis ...


    By Inderscience Publishers

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