mixing system Articles

  • Aeration system improves mixing, oxygenation, & maintenance

    When its brush rotor system failed, the city of Franklin, LA, dccidcd to replace it with an Airc-02 Triton aeration/mixer system, which about equaled the ongoing costs of refurbishing die rotors. The aerators met all the city's needs and a year later, city officials purchased more of the aerators for its second ditch. Back in 2000, Franklin's wastewater treatment plant consisted of an activated ...

  • Mixing and filling system for egg yolk powder

    Subject: To improve the handling and application characteristics of egg yolk powder. Filling of drums and big bags.   Client: Adriaan Goede (NL)   Process: After drying the egg yolk is homogenised in a centrifugal sifter. A special vacuum conveying system lifts the very poor flowing powder to a weigh hopper. Discharging with a RA bin discharger into a horizontal double shaft GMS ...


    By Gericke

  • Continuous mixing systems for the production of pharmaceutical tablets and granulates

    The Process Analytical Technology initiative demands the implementation of in-process monitoring systems and controls along with the mixing process. Gericke has developed continuous mixing and metering systems that meet the stipulated accuracy and the highest hygienic requirements. Own testing and model calculations demonstrate that their efficiency is determined not only by ...


    By Gericke

  • Fixed vs. Moving Bed Systems: Aeration and Mixing Efficiency

    The aeration design for a biofilm system, such as moving bed or AccuFAS fixed-film systems, is more complex than a standard activated sludge system. In a biofilm system, the aeration design must satisfy the oxygen demand for required treatment, provide mixing, and control biofilm ...


    By Brentwood Industries, Inc.

  • Continuous mixing of confectionary ingredients

    Subject: Continuous feeding-mixing system Clients: Systems commissioned for high volume, quality food manufacturers   Description: Feeding and mixing of confectionary ingredients, chocolate and beverage powders for continuous production processes   Product characteristics: Diverse range of ingredients with differing flow properties such as sugar, pectin, citric acid, cocoa, ...


    By Gericke

  • Case study - Paint mixing

    Overview A company involved in the automotive aftermarket had a paint batch mixing and filling operation that used primers and fillers. They were faced with installing air pollution control equipment to handle the volatile organic compounds (VOCs) emitted by the solvents used in their processes. An independent consultant had determined that total exhaust volume from the facility was ...

  • The Right Mix for Clean Air

    Reducing air pollution is an increasingly important topic all around the world. Many governments—also in developing countries—set new limits for emissions such as nitrogen oxides in flue gas. Sulzer offers advanced mixing technology for flue gas cleaning. The installation in a large power plant shows that these high-performance mixers can cope with the most difficult requirements. ...


    By Sulzer Ltd.

  • Mixed waste composting trends

    It's been about 25 years since vendors started marketing systems to process mixed municipal solid waste via composting in the U.S. Today, there are 13 plants, most fulfilling their niche in the communities they serve - whether managing MSW in high tourism areas, or processing residual organics from materials recovery facilities. Table 1 provides summary data on the 13 facilities. While we did not ...


    By BioCycle Magazine

  • Water mixing in waste lagoons

    Man-made lagoons have been used worldwide for the treatment of domestic and industrial wastewater, it seems, forever. All waste lagoons were first designed and thoughtfully planned considering their locations, soil makeup, and waste reduction processes prior to being implemented. The biological process of organic waste reduction is always a consideration of waste lagoon designs. There are three ...


    By Reliant Water Technologies

  • Cavitation leads to perfect mixes

    Development of accurate classification of cavitation types, as well as any classification, has to be based on a choice of general summary classification signs. For example, it can be different by constructive signs of work parts, by character of a course of process, by cavities types and other general classification signs. In present time distinguish the following types of cavitation: static, ...

  • Mixed MSW composting in transition

    WITHOUT a doubt, composting the mixed municipal solid waste stream is a “niche” business. It is an MSW management option that seems to be viable in very specific situations. In some instances, these plants were built to service tourist destinations, often in somewhat rural areas where recycling is difficult and landfills are distant. In several other cases, public agencies built plants to extend ...


    By BioCycle Magazine

  • Mixed waste composting review

    COMPOSTING mixed muncipal solid waste (MSW) is an attractive solution for many communities that want to diver organics from landfills, but don't have the poplation density to support a source separated organics (SSO) scheme. These facilities are capital intensive and not always successful, however. About half of the facilities constructed in the U.S. in the last 25 years have closed, with only 12 ...


    By BioCycle Magazine

  • Effects of mixing on chloramination process

    According to a recent study more than 90 percent of water treatment plants utilizing chloramination for distribution system residuals indicate a certain level of dissatisfaction toward the process performance. One factor that may lead to such dissatisfaction is the inadequacy of mixing when ammonia is added to chlorinated water. If mixing is not instantaneous and uniform, the actual chlorine to ...


    By IWA Publishing

  • Cavitation leads to perfect mixes

    Development of accurate classification of cavitation types, as well as any classification, has to be based on a choice of general summary classification signs. For example, it can be different by constructive signs of work parts, by character of a course of process, by cavities types and other general classification signs. In present time distinguish the following types of cavitation: static, ...

  • Extant Kinetics Of Mixed Wastewaters

    Extant Kinetics Of Mixed Wastewaters OUR fingerprints can be used to estimate kinetic parameters for the wastewater constituents as shown in Figure A and B below. Wastewater A contained one group of readily degraded compounds and one group that was degraded at lower rates. A third region of oxygen uptake was caused by nitrification. Kinetic modeling suggested that biodegradation of each ...


    By Challenge Technology

  • Mixing at double-Tee junctions with unequal pipe sizes in water distribution systems

    Pipe flow mixing with various solute concentrations and flow rates at pipe junctions is investigated. The degree of mixing affects contaminant spread in a water distribution system, and many studies have focused on mixing at the cross junctions; however, only a few have focused on double-Tee junctions of unequal pipe diameters. To investigate the solute mixing at such junctions, a series of ...


    By IWA Publishing

  • Simultaneous production and separation of biohydrogen in mixed culture systems by continuous dark fermentation

    Hydrogen production by dark fermentation is one promising technology. However, there are challenges in improving the performance and efficiency of the process. The important factors that must be considered to obtain a suitable process are the source of the inoculum and its pre-treatment, types of substrates, the reactor configurations and the hydrogen partial pressure. Furthermore, to obtain ...


    By IWA Publishing

  • In-situ stabilization using Shallow Soil Mixing and Deep Soil Mixing

    Of the currently emerging technologies for site remediation, one of the most attractive and economical is in-situ stabilization and/or in-situ fixation of contaminated soils by Shallow Soil Mixing (SSM) or Deep Soil Mixing (DSM). Actually, the soil mixing process is not new. It has been in use as a geotechnical construction process for over two decades. However, its use as a treatment for ...


    By Geo-Con, Inc.

  • Impact of incomplete mixing in the prediction of chlorine residuals in municipal water distribution systems

    This paper investigates the mixing phenomena in pipe junctions in water distribution systems. Network simulation models frequently assume that mixing at pipe junctions is complete and instantaneous. In the present study, a series of experiments using tee and cross junctions with varying inflows and free chlorine concentrations were carried out in the Hydraulic Laboratory of the Institute of ...


    By IWA Publishing

  • Coagulant mixing revisited: theory and practice

    Are rapid-mixing tanks with intense mixing necessary? Intense mixing applies to the coagulation mechanism of charge-neutralization of negatively-charged particles, but this is not a common coagulation method. More common is precipitation of aluminum or iron for coagulation of particles and natural organic matter, which is often called sweep-floc coagulation. Coagulation by precipitation is ...


    By IWA Publishing

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