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Treatment and Recycling of Wastewater from Pulp and Paper Mill

Contents


- Pulp and Paper Wastewater

- Pollutants Released from Pulp and Paper Industry

- Organic compounds and chemicals

  • Gases
  • Particulates
  • Solid wastes

- Sources of Pulp and Paper Wastewater Pollutants

- Characteristics of Pulp and Paper Industry Wastewater

- Impact of Pulp and Paper Wastewater on Surrounding

- Pulp and Paper Production Process

  • Raw Materials Handling
  • Pulp Manufacturing
  • Mechanical Pulp
  • Thermomechanical Pulp
  • Chemi-thermomechanical Pulp (CTMP)
  • Chemical Pulp
  • The sulphite process
  • The sulphate process
  • The kraft process
  • Recycled Pulp
  • Organosolv Pulp
  • Biological Pulp

- Pulp Washing and Screening

  • Bleaching
  • Oxygen Delignification
  • Final Bleaching
  • Chemical Recovery
  • Paper Making

- Methods of Pulp and Paper Wastewater Treatment

  • Physical Methods
  • Sedimentation
  • Froth Flotation

- Physiochemical Methods

  • Coagulation-Flocculation
  • Activated Carbon Filtration
  • Chemical Precipitation
  • Biological Methods

- Aerobic Process

  • Activated Sludge Process
  • Composting

- Anaerobic Process

  • Up-flow Anaerobic Sludge Blanket (UASB)
  • Expanded Granular Sludge Bed (EGSB)
  • Internal Circulation (IC) Reactor

- Innovative Technologies

  • Ozonation
  • Ultrafiltration
  • Chemical Oxidation
  • Electrolysis

- Alternative Treatment Methods

  • Advanced Oxidation Process (AOP)
  • Biodegradable Polymeric Flocculants
  • Biodegradable Polymeric Flocculants
  • Electrocoagulation
  • Photocatalysis

- Biological Sources of Pulp and Paper Wastewater Treatment

  • Bacteria
  • Fungi
  • Algae
  • Plants
  • Enzymes

- Mechanism of Biodegradation of Major Pollutant of Pulp and Paper Industry

  • Biodegradation of Lignin
  • Biodegradation of Polychlorinated Hydrocarbons
  • (a) Oxygenolytic de-chlorination
  • (b) Hydrolytic de-chlorination
  • (c) Reductive de-chlorination
  • (d) Chloride release after cleavage of the aromatic ring

- Pulp and Paper Waste Water Recycling

- Future Prospects for Paper and Pulp Wastewater Treatment and Recycling

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