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  • A Six Sigma Approach to Evaluating Vacuum Filtration Technologies (.pdf)
    Solid-liquid separation can be accomplished by pressure or vacuum filtration in a batch or continuous mode. Generally, following filtration, the cake must be washed and subsequently dried to specifications. The technology choice process depends on a wide range of parameters, including the nature
  • A Treatise of Filter Cake Washing Mechanisms In Pressure and Vacuum Filtration Systems (.pdf)
    During many chemical and pharmaceutical process operations, cake washing is required since no filter system can remove all of the mother liquor by pressure or vacuum dewatering only. The need for cake washing to produce a "clean cake" for further processing, drying or disposal can be for several
  • Continuous-Indexing Vacuum Filter as Replacement for Filter Presses (.pdf)
    Solid-liquid separation can be accomplished by pressure or vacuum filtration in a batch or continuous mode. Generally, following filtration, the cake must be washed and subsequently dried. The choice of technology depends upon a wide range of parameters of the solids (i.e. crystal size
  • Vacuum System Handles Fine Alum Sludge - Town of Tewksbury, MA (.pdf)
    The Tewksbury Water Treatment Plant in northern Massachusetts is using a vacuum filtration/dewatering system to dewater up to 8,000 gpd of settled residuals produced during the clarification of 3mgd of Merrimac River water with alum. The residuals consist of low concentration (0.5 to 1.0 percent
  • Evaluation of a Continuous-Indexing Vacuum Belt Filter as a Replacement for Filter Presses For the Manufacture of a High-Value Specialty Chemical Product
    Solid-liquid separation can be accomplished by pressure or vacuum filtration in a batch or continuous mode. Generally, following filtration, the cake must be washed and subsequently dried. The choice of technology depends upon a wide range of parameters of the solids (i.e. crystal size
  • Vacuum pumps
    of vacuum produced, rate of air removal, and power requirement. However, applications such as filtration may subject the unit to the ingestion of foreign material. The first pump performance criterion is the vacuum it produces. Manufacturers provide a maximum vacuum rating expressed as absolute pressure
  • Medical Device Link .
    through and become lodged in the tortuous path formed by the random fibre structure. Typical applications include gas and vacuum filtration as well as venting. In surface filtration the filtrate is captured on the surface of the filter media, typical applications include removal of
  • Test it Right for Thin-Cake Filtration Operations
    Solid-liquid separation by pressure or vacuum, cake washing and drying are integral to producing a chemical or pharmaceutical product or for fluid clarification and recovery. A number of competing technologies and options can be employed to accomplish these steps, including nutsche filters

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