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  • Pulp and Paper Industry
    The pulp and paper industry uses various chemicals to process pulp, both directly and indirectly. Hydrogen sulfide is created as a by-product of the digester process. Chlorine and chlorine dioxide are used during the bleaching process, while combustible gas detection is used during the drying
  • Pressure Control In a Biogas Generator
    White paper article describing pressure control inside anaerobic digesters. Using a precision back pressure regulator to control the pressure inside the structure surrounding an anaerobic digester allows for a uniform steady pressure to be maintained. This precision pressure control under varying
  • Scale deposit problems
    , and silicates of magnesium. The scale deposition problems can be mitigated by procurement of good quality wood furnish and good debarking systems. Proper mechanical design and operation modifications in chemical recovery, the digester area, and the brownstock screen room as well as proper operation
  • Applications of physical models for control
    reconciliation is needed to keep control of the measurements of all kind. A decision support system would keep control over the process status to support operators. The production is also optimized at several levels. S. Bhartiya, P. Dufour and F. J. Doyle (2001) modelled a digester in one dimension

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