DOI: 10.23720/bt2023/2282994
title: Data from Emerging Resources: Microalgae

description: <p><span class='font-weight-normal'>Data from Emerging Resources: Microalgae</span></p><p><span class='font-weight-normal'><a name='x__Hlk160008530'><span><span><span/></span></span></a>Please cite as:<br/><a name='x__Hlk160008530'><span><span><span>A. Coleman,</span></span></span></a><a name='x__Hlk160008530'><span><span><span>Davis, R.</span></span></span><span><span><span>, B. Klein</span></span></span></a>. 2024, Data from Emerging Resources: Microalgae of Chapter<span><span>7.1</span></span>in the 2023 Billion-Ton Report. Version 0.0.1, Bioenergy Knowledge Discovery Framework (KDF) Data Center, https://doi.org/10.23720/BT2023/2282994</span></p><p><span class='font-weight-normal'/></p><p class='EEREBullet01'><span class='font-weight-normal'><span><span><span><span>This data reflects the latest analysis from the<i>2022 Algae Harmonization Update</i>, which uses the latest parameterized and high-performing saline algal strain, second-generation carbon capture of point-source waste CO<sub>2</sub>and high-pressure pipeline transport resolved to specific point-source types, saline water sourcing up to 40,000 mg/L total dissolved solids for source and makeup water salinity, blowdown water treatment and recycle, and brine disposal handling.</span></span></span></span></span></p><p class='x'><span class='font-weight-normal'><span><span><span>Description:</span></span></span></span></p><p class='x'><span class='font-weight-normal'><span><span><span><span>Land-screening sites based on culmination of data through 2020 at a minimum contiguous area of 1,000 acres</span></span></span></span></span></p><p class='x'><span class='font-weight-normal'><span><span><span><span>Modeled biomass growth based on lab parameterizations of<i>Tetraselmis striata</i>LANL 1001 saline strain (DISCOVR program) using 40-years of hourly meteorology from NLDAS-2.</span></span></span></span></span></p><p class='x'><span class='font-weight-normal'><span><span><span><span>Microalgae growth model coupled with a pond temperature model at 10 acres per pond running at an operating salinity of 55,000 mg/L.</span></span></span></span></span></p><p class='x'><span class='font-weight-normal'><span><span><span><span><span>Cultivation productivity targets 26 g/m<sup>2</sup>-day annual average based on nutrient-replete, high-protein biomass composition at harvest.</span></span></span><span/></span></span></span></p><p class='x'><span class='font-weight-normal'><span><span><span><span>Microalgae harvest set at a density of 0.5 g/L to maximize productivity.</span></span></span></span></span></p><p class='x'><span class='font-weight-normal'><span><span><span><span><span>Harvested microalgae sent through three-stage dewatering via gravity settling, membrane concentration, and centrifugation to 200 g/L.</span></span></span><span/></span></span></span></p><p class='x'><span class='font-weight-normal'><span><span><span><span>Saline groundwater used as the exclusive source of water that is accessed at depths no greater than 500 m</span></span></span></span></span></p><p class='x'><span class='font-weight-normal'><span><span><span><span><span>Blowdown water disposal via forward osmosis brine concentration and well injection; clarified water from forward osmosis is recycled internally within the algae farm.</span></span></span><span/></span></span></span></p><p class='x'><span class='font-weight-normal'><span><span><span><span>CO2 capture and transport uses 2020 viable point-sources and reported annual mass<span>, with capture costs and energy demands varying by CO2 concentration in the point source</span>; CO2 utilization efficiency of the microalgae is set at 75%</span></span></span></span></span></p><p class='x'><span class='font-weight-normal'><span><span><span><span>Urea and diammonium phosphate are used as<span>nitrogen/phosphorus</span>nutrients and are based on biomass productivity<span>and composition</span></span></span></span></span></span></p>