B, Anjana Babu
(2016)
Wastewater Treatment Using Microalgae: A Batch Study.
Masters thesis, Indian Institute of Technology Hyderabad.
Abstract
The main objective of this study is to ex
amine the performance of
mixed micro
algal
bioreactors in simultaneous treatment and production of biodiesel from three
different types of wastewaters (Kitchen,
Pharmaceuticals,
Palm Oil Mill Effluent
and BG 11 along with glucose used as control
)
in semi
-
c
ontinuous mode
.
For each
type of wastewater 8 SRTs were used
-
2, 4, 6, 8, 10, 12, 14 and 16 days.
The
studies were conducted in 500
ml
wide mouth transparent glass bottles in sunlight
w
ith a 12:12 light
-
dark cycle. The
nutrient
uptake kinetic par
ameters were
quantified using
linearized Michaelis
-
Menten and Monod model
s
at
steady
-
state
conditions. Lipid analysis and FAME analysis were performed after the end of the
experiment
.
The nutrient removal efficiency and
l
ipid production was found to be
hi
gher in Kitchen wastewater when compared with other wastewaters.
The
lipids
produced consisted of over 60
–
70 % of saturated fatty acid (C16
:
0
,
C18
:
0, C18:1)
for all wastewaters
which are considered suitable for synthesizing biodiesel
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