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.

  • What is a wastewater treatment system and how does it work?

    For industrial companies producing wastewater as part of it’s process, some type of wastewater treatment system is usually necessary to ensure safety precautions and discharge regulations are met. The most appropriate wastewater treatment system will help the facility avoid harming the environment, human health, and a facility’s process or products (especially if the wastewater ...


    By SAMCO Technologies, Inc.

  • 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

  • Driving interest in premium blankets #501 case study

    When a key customer of a G&S client needed to create product demand and drive Web traffic to an online storefront for new premium blankets — which were made from fibers derived from corn — G&S devised a PR strategy playing up the angle of an American grown and made product to coincide with the customer’s “Americana” principles. Using three-dimensional press ...


  • 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

  • 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

  • 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.

  • 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 ...

  • Automatic Sludge Blanket Level Detector: Monitor & control for effective, efficient processing

    Reducing energy consumption at municipal and industrial plants is, increasingly, a priority. Markland Specialty Engineering Ltd., designing and manufacturing process control instrumentation since 1967, helps achieve this important goal with its Automatic Sludge Blanket Level Detector. By helping facilities reduce waste - reducing unnecessary water, chemical or energy use, and unnecessary ...

  • 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, ...

  • 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

  • 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

  • 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.

  • 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 ...

  • 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.

  • Performance of Upflow Anaerobic Sludge Blanket (UASB) reactor treating simulated wastewaters containing 1,1,2-Trichloroethane and 1,1,2,2-Tetrachloroethane

    Reactors R2 and R3 were investigated for biodegradation of 1,1,2-Trichloroethane and 1,1,2,2-Tetrachloroethane respectively, during acclimation phase. Reactor R1 was maintained as control. The stepwise increment in concentration of 1,1,2-TCA from 5 mg/L to 40 mg/L in R2 caused no inhibition to reactor performance. The percentage of 1,1,2-TCA and COD removal was 99.9% and 98.6%, respectively. ...


    By Inderscience Publishers

  • Combination of up-flow anaerobic sludge blanket reactor and a novel cascade sponge reactor for sewage treatment

    Performance of the combined process of up-flow anaerobic sludge blanket (UASB) reactor and cascade sponge reactor (CSR) for sewage treatment was studied. UASB-CSR system was operated at HRTs of 24 h, 16 h, and 8 h at an average wastewater temperature of 29°C. It comprises of the most efficient combined process not only for CODT (98.9%), BODT (98.5%), TSS (99.3%), total nitrogen (89.1%), total ...


    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 ...


    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

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