Oilfield-produced water as a medium for the growth of Chlorella pyrenoidosa outdoor in an arid region

Rahmani, Abdellatif; Zerrouki, Djamal; Tabchouche, Ahmed; Djafer, Lahcène

doi:10.1007/s11356-022-21916-1

Cited by 7 publications

(2 citation statements)

References 35 publications

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“…S. obliquus grew exponentially on Day 42 and reached the stationary phase by Day 46. S. obliquus growth profile is consistent with the results reported in other studies related to microalgae growth in wastewater (Kumar et al 2020 ; Japar et al 2021 ; Rahmani et al 2022 ).…”

Section: Resultssupporting

confidence: 91%

“…Scenedesmus sp. Pretreated with NaOH TOC = 73% TN = 92% (Das et al 2018 ) 5 Oil field, Brazil Nanno- chloropsis oculate - Iron = 96.8% PAHs = 94% PHE = 99% (Marques et al 2021 ) 6 Oil and gas facility, USA Galdieria sulphuraria - TN = 99.6 ± 0.2% Phosphorus = 74.2 ± 8.5% (Rahman et al 2021 ) 7 Oil field, Algeria Chlorella pyrenoidosa - COD = 89.67% TN = 57.14% TP = 75.51% Copper = 73.39% Lead = 72.80% Cadmium = 48.42% (Rahmani et al 2022 ) …”

Section: Introductionmentioning

confidence: 99%

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Produced water treatment by semi-continuous sequential bioreactor and microalgae photobioreactor

Khairuddin,

Khan,

Sankaran

et al. 2024

Bioresour. Bioprocess.

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Produced water (PW) from oil and gas exploration adversely affects aquatic life and living organisms, necessitating treatment before discharge to meet effluent permissible limits. This study first used activated sludge to pretreat PW in a sequential batch reactor (SBR). The pretreated PW then entered a 13 L photobioreactor (PBR) containing Scenedesmus obliquus microalgae culture. Initially, 10% of the PW mixed with 90% microalgae culture in the PBR. After the exponential growth of the microalgae, an additional 25% of PW was added to the PBR without extra nutrients. This study reported the growth performance of microalgae in the PBR as well as the reduction in effluent’s total organic carbon (TOC), total dissolved solids (TDS), electrical conductivity (EC), and heavy metals content. The results demonstrated removal efficiencies of 64% for TOC, 49.8% for TDS, and 49.1% for EC. The results also showed reductions in barium, iron, and manganese in the effluent by 95, 76, and 52%, respectively.

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Section: Resultssupporting

confidence: 91%