Nutrient recovery from wastewater streams by microalgae: Status and prospects

Advanced nutrient removal from surface water by a consortium of attached microalgae and bacteria: A review

“…Thus, all forms of inorganic nitrogen are ultimately converted into ammonium and thereafter, ammonium is incorporated into amino acids by using glutamate and ATP (Fig. 3 reactions 1C) (Cai et al, 2013;Gonçalves et al, 2017). Besides assimilation, ammonia volatilization, nitrification and denitrification are also key mechanisms during inorganic nitrogen removal (Peng and Zhu, 2006;Strohm et al, 2007;Daims et al, 2015;Basílico et al, 2016).…”

“…A significant share of the phosphorous assimilated is involved in the generation of ATP from ADP, accompanied by a form of energy input (Eq. (1)) (Cai et al, 2013). In addition to the assimilation of essential phosphorus for microbial growth, some species of microalgae and bacteria such as Cladophora and Polyphosphate (polyP) accumulating bacteria (e.g., Acinetobacter) can take up large amounts of phosphorus and store it as intracellular polyphosphate (Oehmen et al, 2007;Higgins et al, 2008;Schmidt et al, 2016).…”

“…In these systems, microalgae remove nutrient through assimilation contributing to biomass accumulation (Cai et al, 2013;Liu and Vyverman, 2015). The nitrificationdenitrification and polyphosphate accumulation processes are all dependent on the metabolic activities and growth rates of bacteria (Yao et al, 2013;Fitzgerald et al, 2015).…”

Characterization of aqueous phase from the hydrothermal liquefaction of Chlorella pyrenoidosa

“…It is found in nucleic acids, lipids, proteins, and the intermediates of carbohydrate metabolism (Cai et al, 2013). Valdez et al (2012) investigated the elemental distribution during HTL of Nannochloropsis sp.…”

Lucrative future of microalgal biofuels in Pakistan: a review

“…They grow naturally in wastewaters and tolerate varying levels of nitrogen and phosphorus during their growth. The cultivation of microalgae may also reduce the risk of harmful outgrowth of phytoplanktons [49]. Selection of the algal species depends on the type of wastewaters where they are intended to be cultivated.…”