CONSTRUCTION,OPERATION AND

MAINTENANCE OF TRICKLING FILTER

BY:SHANU KUMAR & SHIVAM SANOO

WHAT IS THIS??• Secondary Treatment

• Fixed Film Biological treatment

• A T S

• Gang Bang

CONSTRUCTION

CONSTRUCTION-Prominent employees

• SHAPE

• DISTRIBUTOR ARM

• DISTRIBUTOR PIPE

• FILTER MEDIA

• WALL OF SYSTEM

CONSTRUCTION-Stagehand employees

• FEEDER PIPE

• UNDER-DRAINAGE SYSTEM (UDS)

• EFFLUENT CHANNEL

OPERATION

OPERATION

MAINTENANCE• A skilled operator is required to monitor the filter

and repair the pump in case of problems.

• The sludge that accumulates on the filter must be periodically washed away once in five to seven years or more to prevent clogging and keep the biofilm thin and aerobic.

MAINTENENCE-Continued

• PONDING

• FILTER FLIES

• SLOUGHING

• WEATHER CONCERN

Design• STANDARD RATE FILTERS

• HIGH RATE FILTERS

• ROUGHING FILTERS

• HYDRAULIC LOADING RATE

DESIGN-CONTINUED

ADVANTAGES• Low Energy Requirements

• Waste Sludge Easy To Dewater

• Low Maintenance Requirements

• Consistent Effluent Quality

• Ease Of Operation

DISADVANTAGES• Odour And Nuisance Organisms

• Potential For Clogged Media

• Lack Of Adjustments

• Pumping Costs

REFERENCES• SK GARG,PART-2-WATER SUPPLY ENGINEERING• ENVIRONMENTAL ENGINEERING-2, –B C Punmia

and Ashok Jain • Manual on Water supply and treatment –CPHEEO,

Ministry of Urban Development, New Delhi• Hammer, M.J., (1986), Water and Wastewater

Technology –SI Version, 2nd Edition, John Wiley and Sons