construction,operation and maintenance of trickling filter2
TRANSCRIPT
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CONSTRUCTION,OPERATION AND MAINTENANCE OF
TRICKLING FILTER
PRESENTING BY :SHANU KUMAR & SHIVAM SANOO
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RECAPSHIVAM:
ATS
GANG BANG
EMPLOYEES(TYPES)
OPERATION
SHANU:
PONDERING
DESIGN
ADVANTAGES
DISADVANTAGES
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TRICKLING FILTER
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CONSTRUCTION AND
OPERATION-1Technology of Concrete: Reinforced Concrete
Sulphate Resisting Cement
Vitrified Clay blocks
Analysis of structure:Loading
Efficiency
Performance
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CONSTRUCTION AND
OPERATION-2
Biology:
Bacteria and other microorganism
Environmental engineering
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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.
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DESIGN
ONE STAGE FILTERS
TWO STAGE FILTERS
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DESIGN
ONE STAGE FILTERS
TWO STAGE FILTERS
10
Scheme of Two Stage Trickling Filters1 - primary sludge; 2 - first stage trickling filter; 3 - first stage secondary clarifier; 4 - second stage
trickling filter; 5 - second stage secondary clarifier; 7 - recirculating purified wastewater; 8 -primary and secondary sludge
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MERIT AND DEMERIT
Highly Nitrified
Good dependability
Removal of suspended solids
LOSS OF HEAD
HIGH COST
REQUIRE PRE TREATMENT
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REFERENCESWASTE WATER ENGINEERING, BY BC PUNMIA
Introduction to Trickling Filters and RBC's Study Guide by Wisconsin Department of Natural Resources
Wastewater Technology Fact Sheet Trickling Filters by United States Environmental Protection Agency
WASTEWATER ENGINEERING by Dr. Asha Gupta
.....and so many
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