Treatment of Effluent from a Factory of Paints Using Solar Photo-Fenton Process

Table 1

Composition of the studied effluent.

Parameter	Value
Dissolved organic carbon (mg C L^−1)^b	307
Dissolved organic carbon (mg C L^−1)^c	237
Dissolved inorganic carbon (mg C L^−1)^b	83.5
Dissolved inorganic carbon (mg C L^−1)^c	6.2
Chemical oxygen demand (mg O2 L^−1)^b	1232
Chemical oxygen demand (mg O2 L^−1)^c	672
Toxicity (A. salina) (%)^c	100
pH^a	7.6
Solids in suspension (mg L^−1)^a	2040
Total dissolved iron (mg L^−1)^b	0.05
Total chloride (mg L^−1)^b	8.2
Total chloride (mg L^−1)^c	4.1
Total phosphorus (mg L^−1)^c	3.2
Total N (mg L^−1)^b	34.9
Total N (mg L^−1)^c	28.1
N-NH4^+ (mg L^−1)^b	28.5
N-NH4^+ (mg L^−1)^c	26.9
Color^a	Lilac
Color^b	Lilac
Color^c	Colorless
Odor^a	Fetid
Odor^b	Fetid
Odor^c	Similar but less intense

aRaw effluent.
^bRaw effluent, after filtration using 0.45 𝜇m mean pore size membranes.
^cAfter pH adjustment between 2.5 and 2.8, precipitation, and filtration using 0.45 𝜇m mean pore size membranes.