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1.
STP
&
Water conservation
Presented for ADDA Water Workshop III
2.
Skyline RK Atlantis
STP Plant
• 100 KLD STP plan
• No of houses – 100 houses
• Total water usage – 11 lac
• total water being treated
• 7 lac being reused
• What is monthly cost
• Tank cleaning: 2,000xN
• 37,000 cost
Infrastructure
• Plant is setup in the basement – approx.
20 mtr X 10mtr area
• Can treat upto 10K ltr water eaveryday
• Treated water tank capacity 8,000 ltr
• Overhead water tank of 3,000 ltr
• Pipelines for outflow from Kitchen and
washing area to STP plant
• Separate pipeline to toilet flush from STP
water overhead tank
• Separate water pump to fill STP water
overhead tanks in all the three blocks
3.
STP Plant Pictures
Filters
Blower and diffuser for Aeration tank
4.
Skyline RK Atlantis
How is it helping
• Reduction in virgin water usage
• Water is used for toilet flush in all the
houses
• We conduct audit every 6 months
• Garden
• All our plants and garden are watered with this
treated water
• Our Gardens have both flower barring and fruit
barring trees along with decorative plants
• Not observing any challenge in the growth of
the tree, plants or shrubs
• Washing common area
• We have STP treated water outlets at multiple
location
• It is used for all the common area washing
requirements
5.
Quality of Water
• Order: If maintained correctly no order in the water
• Color: SPF & ACF technology based filtration water is colorless
• Other parameters:
6.
STP Plan Process Flow
STP Inlet
Oil & Grit trap
• Drain
Bar screen
• Fine screen
• Platform
Equalization tank
• Transfer pump
Aeration tank
• Diffuser
• Blower
Clarifier (Settling)
tank
• Suspended Solid
Clarified water tank
Pressure Sand Filter
• Filter Press
Activated carbon
filter
• Carbon filter
Treated water
Overhead tank
• Chlorination
Individual House
outlets and common
area outlets
Sludge
c
Excess Sludge removal
- Used as compost
c
Remove Debris
7.
Maintenance
• Full time staff
• To monitor levels of multiple parameter in the process
• Cleaning of bar filters as required
• Measure and add or remove sludge
• Maintain overhead STP water tanks levels
• Bimonthly cleaning of STP tanks - Clarifier water tank
• Debris removal once in a year
• STP overhead water tank cleaning
• Just like normal overhead water tank once in 6 months
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