Wastewater, 5. Physical Treatment

The article contains sections titled: 1. Adsorptive Purification 1.1. Adsorption 1.2. Adsorption Isotherms 1.3. Adsorption Kinetics 1.4. Adsorbents 1.5. Adsorption Processes 1.6. Adsorbent Recovery and Regeneration 1.6.1. Regeneration of Carbon Adsorbents 1.6.2. Regeneration of Aluminum Oxide 1.6.3. Regeneration of Adsorber Resins 1.7. Applications of the Adsorptive Purification of Wastewater 1.7.1. Purification with Activated Carbon 1.7.2. Purification with Lignite Coke 1.7.3. Purification with Aluminum Oxide 1.7.4. Treatment with Adsorber Resins 1.7.5. Purification with Isopolyacids 2. Mechanical Treatment 2.1. Screening Processes 2.2. Gravity Processes 2.2.1. Sedimentation 2.2.2. Floatation 2.2.3. Flotation 2.2.3.1. Basic Principle 2.2.3.2. Contact and Adhesion of Particles to Gas Bubbles; Flotation Kinetics 2.2.3.3. Implementation, Fields of Application, and Operational Experience 2.2.3.4. Costs and Benefits 2.2.4. Foaming-Out Process 2.2.5. Centrifugal Processes