## 3 Results and Discussion
### Sequential Batch Photobioreactor Experimentation with Duckweed and microalgae
#### 3.3.4 Effect on Biomass Production and the Proximate Chemical Composition of Microalgae
\begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline
**Strain** & **Wastewater Classification** & **Treatment** & **Concentration** & \multicolumn{3}{c}{**Removal Efficiency (RE, \%)**} & \multicolumn{3}{c}{**Bionass**} \\  & & & & & & & & **Poottivity** & **Reference** \\ \hline _Chlorella sp._ & Dairy manure & AED and filtration & 20\% (v/s) & 34.3 & 82.5 \({}^{\rm II}\) & 78.3 & -81.4 & [54] \\ \hline _Nexchloris desubordinates_ & Dairy manure & AED and sterilization & 2\% (v/s) & na & 90–95 & na & 88.3 \(\pm\) 7.9 & [55] \\ \hline _Clurcois sp._ & Dairy effluent & Serialization & 100\% (v/s) & 90 & na & na & 53.3 & [56] \\ \hline _Clurcois sp._ & Dairy farm WW & Fliltration and centrifugation & 10\% (v/s) & 87.85 & 93.01 \({}^{\rm II}\) & 90.94 \({}^{\rm V}\) & 80 & [57] \\ \hline _Clurcois sp._ & Dairy farm WW & Fliltration and centrifugation & 20\% (v/s) & 89.7 & 83.20 \({}^{\rm II}\) & 91.97 \({}^{\rm V}\) & 95 & [57] \\ \hline _Scendomonas sp._ & Cheese whey & No treatment specified & 6.25\% (v/s) \({}^{\rm a}\) & 64.9\({}^{\rm I}\) & na & na & -10.58 & [58] \\ \hline _Chlorella surficius_ & Cheese whey & AED and centrifugation & 10\% (v/s) & 41\% & 84 \({}^{\rm II}\) & 71\({}^{\rm VI}\) & 60 \(\pm\) 10 & [59] \\ \hline _Chlorella vulgaris_ & Dairy effluent & Serialization \({}^{\rm I}\) & 20\% (v/s) & Minimum RE & na & na & -16.25 & [60] \\ \hline _Chlorella sp._ & Dairy effluent & Serialization \({}^{\rm I}\) & 50\% (v/s) & Partial RE & na & na & -85.63 & [60] \\ \hline _Clurcois proposals_ & Dairy WW & No treatment specified & 75\% (v/s) \({}^{\rm B}\) & 87.5 & 88.91 & 79.02 & 28.44 \(\pm\) 8.02 & [61] \\ \hline _Scendomonas standards_ & Dairy WW & No treatment specified & 75\% (v/s) \({}^{\rm B}\) & 62.5 & 84.72 & 86.51 & 187.2 \(\pm\) 2.06 & [61] \\ \hline _Scendomonas sp._ & Dairy WW & Treatment systems \({}^{\rm 2}\) & 100\% (v/s) & 69.1 \(\pm\) 4.6\({}^{\rm I}\) & \(86.7\pm 2.3\)\({}^{\rm IV}\) & 71.2 \(\pm\) 8.4 & 32.5 & [62] \\ \hline _Terstenus saccia_ & Dairy WW & Treatment systems \({}^{\rm 2}\) & 100\% (v/s) & 40.2 \(\pm\) 1.9\({}^{\rm I}\) & 66.8 \(\pm\) 5.1\({}^{\rm IV}\) & 42.2 \(\pm\) 0.8 & 45 & [62] \\ \hline _Aeschloris sp._ & Raw dairy WW & Fliltration \({}^{\rm 3}\) & 100\% (v/s) & 95.1 & 79.7 & 98.1 & 102 \(\pm\) 3 & [63] \\ \hline _Tradelasas elegans_ & Cheese whey permeate & Fliltration and sterilization & 100\% (v/s) & na & 16.7 & 0.32 & 94 & [64] \\ \hline _Scendomonas activities_ & Milk whey processing WW & Aerobic digestion \({}^{\rm I}\) & 100\% (v/s) & 93 & 88\({}^{\rm IV}\) & 90\({}^{\rm V}\) & 56 & [65] \\ \hline _Coulteris sp._ & Cheese whey water & Serialization & 25\% (v/s) & na & na & na & 32 & [66] \\ \hline _Chlorella vulgaris_ & Dairy WW & Sedimentation and filtration & 25\% (v/s) & na & 29.27 \(\pm\) 0.01 & 30.64 \(\pm\) 0.01 & -1.72 \(\times\) 10\({}^{\rm I}\) & [57] \\ \hline _Chlorella vulgaris_ & Dairy effluent & Sedimentation and filtration & 25\% (v/s) & na & 56.62 \(\pm\) 0.01 & 51.84 \(\pm\) 0.01 & -3.15 \(\times\) 10\({}^{\rm I}\) & [57] \\ \hline _Chlorella sp._ MC18 & Raw cheese whey & Pretreatment with ducked & 20\% (v/s) & 76.58 \(\pm\) 1.35 & 98.36 \(\pm\) 0.64 & 84.48 \(\pm\) 4.60 & 91.10 \(\pm\) 1.50 & This study \\ \hline _Scendomonas sp._ & M23-R & Raw cheese whey & Pretreatment with ducked & 20\% (v/s) & 47.88 \(\pm\) 3.10 & 99.39 \(\pm\) 0.35 & 87.89 \(\pm\) 4.19 & 108.67 \(\pm\) 1.57 & This study \\ \hline _Nexchlorisungung_ & Wastewater (WW), Anneke digestion (AED) \({}^{\rm II}\)WW from the stabilisation pond \({}^{\rm I}\)WW from the transient plant \({}^{\rm III}\)WW from the storage tank \({}^{\rm I}\): aerobic biological treatments based in a membrane bioreactor \({}^{\rm c}\): \({}^{\rm A}\)O glucose from two diluted to 2.5 g lactose.