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Journal of Toxicology
/
2019
/
Article
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Tab 4
Research Article
Assessment of Phytoremediation Potential of
Chara vulgaris
to Treat Toxic Pollutants of Textile Effluent
Table 4
Nomenclature for reliability mathematical model.
S
_{0}
, S
_{3}
, S
_{6}
:
Operative state of Phytoremediation process.
S
_{1}
, S
_{2}
, S
_{4}
, S
_{5}
:
Failure state of Phytoremediation process.
S
j
:
Water Quality Parameter COD range 100-2000 mg L
^{−1}
P
s
:
C. vulgaris
is in unreactive mode (standby mode)
P
o
:
C. vulgaris
is in reactive mode.
S
_{1F}
:
Failure due to low range of
j
.
S
_{2F}
:
Failure due to high range of
j
.
TE
_{i}
:
Textile Effluent in different concentration
where
i
= 1-5(10%, 25%, 50%,75%,100%).
P
_{1}
:
Probability of
j
≥ lower range of COD.
P
_{2}
:
Probability of
j
≤ upper range of COD
P
_{3}
:
Probability of TE
_{i}
in required concentration when
i
= 1-3.
P
_{4}
:
Probability in 500 mg L
^{−1}
C. vulgaris
required amount.
q
_{1}
:
Failure Probability of
i
not greater than lower range of parameters.
q
_{2}
:
Failure Probability of
i
not less than upper range of parameters.
q
_{3}
:
Failure Probability of TE
_{i}
of concentration when
i
= 4 & 5.
q
_{4}
:
Failure probability of
C. vulgaris
amount less than 500 mg.
X
_{TP}
:
Success state of treatment of TE.
X
_{TF}
:
Failure state due to TE of concentration
i
= 4 & 5.
X
_{FP}
:
Failure state due to algae with less amount.
r
_{1}
:
Replacement cost due to failure in initial stage (S
_{1F}
and S
_{2F}
).
r
_{2}
:
Replacement cost due to failure in treatment stage (X
_{TF}
and X
_{FP}
).