Transcript Water treatment

WATER TREATMENT
MESSANA – 8TH GRADE
WATER TREATMENT
• SEWAGE TREATMENT PLANTS
• PROCESS RAW WASTE & GET WATER READY TO ENTER BACK INTO
RIVERS
• 1.) SLUDGE SEPARATED, CHLORINE USED TO KILL HARMFUL BACTERIA
• 2.) OXYGEN & SLUDGE-EATING BACTERIA USED
• SEPTIC SYSTEMS
• SMALL WASTEWATER SYSTEM USED BY HOME OR BUSINESS IN
• RURAL AREA
• SLUDGE CONSUMED BY BACTERIA
• CLEANER WATER EXITS & SPREADS INTO GROUND
SEPTIC SYSTEM
WATER TREATMENT
• DRINKING WATER TREATMENT PLANTS:
• 1. WATER PIPED IN FROM RIVER OR LAKE
• 2. FLOWS THROUGH MIXERS, CLUMPING AGENTS & CHEMICAL
DISINFECTANTS ADDED
• 3. CLARIFYING POOL SEPARATES LARGE PARTICLES
• 4. FILTERS SEPARATE TINY PARTICLES OF DUST & DIRT
• 5. CHLORINE USED TO KILL BACTERIA
• 6. CLEAN WATER GOES TO WATER STORAGE TANK
EPA
• THE ENVIRONMENTAL PROTECTION AGENCY SETS
AND ENFORCES WATER QUALITY STANDARDS
FOR WASTEWATER, POLLUTION & DRINKING
WATER.
• FOCUSES ON PROTECTION OF SURFACE
FRESHWATER RESOURCES
WHAT CAN WE DO TO HELP?!
• PICK UP PET WASTE
• PICK UP LITTER
• PLANT VEGETATION
• DISPOSE OF CHEMICALS &
WASTEWATER APPROPRIATELY
• REDUCE AMOUNT OF WATER USED