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首页> 外文期刊>Bioprocess and Biosystems Engineering >Rice vinasse treatment by immobilized Synechococcus pevalekii and its effect on Dunaliella salina cultivation
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Rice vinasse treatment by immobilized Synechococcus pevalekii and its effect on Dunaliella salina cultivation

机译：固定化综合球菌Pevalekii的稻米vinasse治疗及其对Dunaliella Salina种植的影响

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摘要

The development of new strategies in microalgal studies represents an outstanding opportunity to mitigate environmental problems coupled with biomass production at a reduced cost. Here we present a combined bioprocess for the treatment of rice vinasse using immobilized cyanobacteria Synechococcus pevalekii in alginate beads followed by the use of the treated vinasse as a culture medium for Dunaliella salina biomass production. Cyanobacterial-alginate beads showed a chlorophyll a production of 0.68 x 10(-3) mg bead(-1) and a total carotenoid production of 0.64 x 10(-3) mg bead(-1). The first step showed a decrease in nitrate (91%), total solids (29%), and ions. Addition of treated vinasse into D. salina cultivation resulted in a significant increase in cell replication of about 175% (optimized cultivation). The use of natural seawater drastically reduced the medium cost to US$4.75 per m(3) and the addition of treated vinasse has the potential to reduce it even more (up to 69%). This study not only provides an insight on the use of cyanobacteria for rice vinasse treatment but also demonstrates a promising lower-cost medium for marine microalgal biomass production with biotechnological purposes.
机译：微藻研究中的新策略的发展是减轻与生物质生产加上的环境问题的杰出机会，降低成本。在这里，我们用藻酸盐珠子中的固定性的蓝杆菌肌孢子蛋白Pevalekii介绍了一种用于治疗水稻vinasse的合并生物处理，然后使用处理过的vinasse作为Dunaliella salina生物量产生的培养基。蓝藻 - 藻酸盐珠子显示叶绿素，生产0.68×10（-3）mg珠珠（-1）和0.64×10（-3）mg珠珠（-1）的总类胡萝卜素产生。第一步显示硝酸盐（91％），总固体（29％）和离子的降低。将治疗的vinasse添加到D.萨利纳栽培中，导致细胞复制的显着增加约175％（优化培养）。自然海水的使用大幅减少到每平方米4.75美元的媒体成本（3），并加入经过处理的Vinasse有可能降低它（高达69％）。这项研究不仅对稻米菌处理的使用介绍了含有蓝藻的洞察力，而且还证明了具有生物技术目的的海洋微藻生物量生产的有前景的低成本介质。

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  • 来源
    《Bioprocess and Biosystems Engineering》 |2021年第7期|1477-1490|共14页
  • 作者

    Colusse Guilherme Augusto; Santos Andre Oliveira; Rodrigues Jenifer Mota; Barga Marcelo Calide; Duarte Maria Eugenia Rabello; de Carvalho Julio Cesar; Noseda Miguel Daniel;

  • 作者单位

    Univ Fed Parana Postgrad Program Bioproc Engn & Biotechnol Av Cel Francisco H Santos 100 POB 1901 BR-81531990 Curitiba Parana Brazil|Univ Fed Parana Biochem & Mol Biol Dept Av Cel Francisco H Santos 100 POB 19046 BR-81531980 Curitiba Parana Brazil;

    Univ Fed Parana Postgrad Program Bioproc Engn & Biotechnol Av Cel Francisco H Santos 100 POB 1901 BR-81531990 Curitiba Parana Brazil|Univ Fed Parana Biochem & Mol Biol Dept Av Cel Francisco H Santos 100 POB 19046 BR-81531980 Curitiba Parana Brazil;

    Univ Fed Parana Postgrad Program Bioproc Engn & Biotechnol Av Cel Francisco H Santos 100 POB 1901 BR-81531990 Curitiba Parana Brazil|Univ Fed Parana Biochem & Mol Biol Dept Av Cel Francisco H Santos 100 POB 19046 BR-81531980 Curitiba Parana Brazil;

    Bio4 Solucoes Biotecnol Av Francisco Ferreira Cruz 6030 BR-83820293 Fazenda Rio Grande Brazil;

    Univ Fed Parana Biochem & Mol Biol Dept Av Cel Francisco H Santos 100 POB 19046 BR-81531980 Curitiba Parana Brazil;

    Univ Fed Parana Bioproc Engn & Biotechnol Dept Av Cel Francisco H Santos 100 POB 19011 BR-81531990 Curitiba Parana Brazil;

    Univ Fed Parana Biochem & Mol Biol Dept Av Cel Francisco H Santos 100 POB 19046 BR-81531980 Curitiba Parana Brazil;

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  • 正文语种 eng
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  • 关键词

    Microalgae; Wastewater; Biotechnology; Ion removal; Alginate beads; Medium cost;

    机译：微藻;废水;生物技术;离子去除;藻酸盐珠;中等成本;

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