Biomass production and nutrient uptake by Neochloris oleoabundans in an open trough system.

Abstract:

:The purpose of this paper is to present biomass and nutrient uptake data from Neochloris oleoabundans production in an open trough system. The growth medium used was BG11, temperature ranged from 16.7 °C to 25.3 °C, and pH ranged from 5.52 to 9.94 because the customary pH increase during algal biomass production was moderated by incoming CO(2) gas streams (atmospheric, 2%, 4%, and 6% CO(2)). Peak concentrations of algal biomass ranged from 643 to 970 mg L(-1), specific growth rates ranged from 0.15 to 0.37 day(-1), and doubling times ranged from 4.8 to 1.9 days. Carbon, nitrogen, and phosphorus were incorporated into the biomass at 0.05%, 8.3%, and 54% of supplied amounts. Open growth systems supplemented with CO(2) should be designed to regulate medium pH within the range of 6.3 to 7.1. Future research should examine various media and alternative carbon sources to decrease doubling times, increase peak concentrations, and optimize nutrient uptake.

authors

Murray KE,Healy FG,McCord RS,Shields JA

doi

10.1007/s00253-010-3054-9

subject

Has Abstract

pub_date

2011-04-01 00:00:00

pages

89-95

issue

1

eissn

0175-7598

issn

1432-0614

journal_volume

90

pub_type

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