Harvesting of microalgae species using Mg-sericite flocculant.
作者： Seung-Mok Lee , Hee-Jeong Choi
DOI: 10.1007/S00449-015-1466-8
关键词: Settling time 、 Biofuel 、 Environmental science 、 Flocculation 、 Environmental engineering 、 Bioenergy 、 Settling 、 Biomass 、 Chlorella vulgaris 、 Biodiesel
摘要: In this study, Mg–sericite was used as a flocculant to harvest freshwater microalgae Chlorella vulgaris. separated successfully >99 % of the C. vulgaris at following optimal parameters: sericite and MgCl2 ratio (S/M ratio) 45 15, mixing time 5 min, rate 100 150 rpm settling 5 min. The harvesting efficiency pH dependent. highest (99 ± 0.3 %) obtained S/M 40 9–11. These results indicated that biopolymer, Mg-sericite, can be promising due its high efficiency, low-dose requirements, short times. addition, does not contaminate growth medium, which recycled reduce only cost demand for water, but also extra operational costs reusing medium. This method is helpful lower production algae biodiesel.
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