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- Title
Novel Hypersaline Strains of Microalgae Growing in Saline Produced Water.
- Authors
SCHWILLING, JONATHAN; INGRAM, SERENA; SPANGENBURG, LUKE; HOPKINS, THOMAS; SCHULER, ANDY; GÓMEZ, STEPHEN
- Abstract
In this study two hypersaline strains of algae, a highly enriched polyculture from produced water (PW) ("Blue-Cyano") (BC) because of its blue color) and another, Dunaliella tertiolecta, obtained from UTEX Culture Collection were cultivated in dual open raceway pond (ORP) systems using PW diluted to salinities of 30‰ and 70‰. BC did not initially demonstrate high growth, but dense algae cultures were eventually established in both ORP's. Dunaliella tertiolecta was out-competed by pennate diatoms, amoeba, and rotifers. 23S rRNA genes from the polyculture were sequenced using Illumina MiSeq. The results suggest the culture consisted of Cyanobacterium aponinum (62.4%), Uncultured organism related to Phycisphaera mikurensis (25.8%), Parachlorella kessleri (9.0%) and Scenedesmus sp. (1.0%). ICP-OES analysis of the PW samples after cultivation of BC showed that group II cation concentrations were reduced in the reactors. Future work will be to determine if the BC culture can remediate PW so that it can be reused by the oil and gas industry.
- Subjects
MICROALGAE; ALGAL growth; POLY-aquaculture; DUNALIELLA tertiolecta; PLANTS; MICROBIOLOGY
- Publication
New Mexico Journal of Science, 2017, Vol 51, Issue 1, p61
- ISSN
0270-3017
- Publication type
Article