George Ayoub Faculty of Engineering and Architecture American University of Beirut OUTLINE Overview of the Conventional Wastewater Treatment Process Discussion of Existing Biological Treatment Technologies Examples from the Mediterranean Region Examples from the Lebanese Context Conventional Wastewater Treatment Process Pretreatment involves: Screening Grit Removal Oil separation Flow equalization Chemical Treatment is used in conjunction with the physical and chemical processes: Chemical precipitation Adsorption Sludge Treatment and Disposal involves: grinding, degritting, blending, thickening, stabilization, conditioning, disinfection, dewatering, heat drying, thermal reduction, ultimate disposal Disinfection can use: Chlorine compounds Bromine Chloride Ozone UV Radiation Biological Treatment In the case of domestic wastewater treatment, the objective of biological treatment is: To stabilize the organic content To remove nutrients such as nitrogen and phosphorus Types: Aerobic Processes Anoxic Processes Anaerobic Processes Combined Aerobic-Anoxic-Anaerobic Processes Pond Processes Attached Growth Suspended Growth Combined Systems Aerobic Maturation Facultative Anaerobic Activated Sludge Process The aeration tank contains a suspension of the wastewater and microorganisms, the mixed liquor
Draw the Diluent: Pull back the plunger on your syringe to the desired volume mark (e.g., 100 units for 1mL)
Solubility: Water Soluble Suggested Applications: Skin & Hair Care Applications Purity : 99% Waterk.F5% Storage: Protected from direct light and humidity at a temperature of 50-77F (10-25C) Shelf life: 12 months, properly stored, in a sealed container
Always inspect the solution visually before each dose
CMS now uses two separate conversion factors depending on your participation status in Alternative Payment Models
Remodeling phase: improved collagen organization and tissue strength
