Page 104 - HUDCO NASA DESIGN TROPHY 2020

TECHNIQUES

Microbial Fuel Cell Based Bioelectric Toilet Wick System
Microbial fuel cell-based bioelectric toilets can generate Wick system is an irrigation system that
electricity while simultaneously purifying water. With the works by “sucking” or wicking up water like
capacity of 75000 liters STP, in one a sponge. The water, then, moves to the
cycle, it can light 40-50 number of ground soil and eventually to the plant.
3-watt bulb for 6 hours. This process employs capillary actions and
80% of freshwater is recovered proves to be efficient as vaporization does
in this one cycle. The external COD not take place.
and BOD in the water are very less.
the electricity generated can light Wireless Alarm System
180 bulbs of 2 watt for 8 hours. In wireless fire-alarm, hard wires are not present.
instead, radio signals are transmitted from the call
points and heat detectors, to the fire alarm control
Hybrid Solar Panels panel. The call point is a box on the wall where one
Hybrid solar panels generate elec- can press the alarm in case of fire.
tricity from both sun and rain. The
process generates cost-efficient Kone Stretcher Elevators
electricity from the force of falling Kone stretch elevators are extensively used because
water. of its safe, smooth, and reliable design. The elevator
This enables hybrid systems to op- moves with a speed of 1.6 mps, having a maximum
erate as a backup power supply in load capacity of 1786 kg (approx. occupancy of 26
case of a blackout. persons).
they generate 635KW/day.

90 | HUDCO NASA DESIGN TROPHY | 2019-20