Department of Plant Ecophysiology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha str. 12/16, 90-237, Lodz, Poland.
J Phycol. 2019 Aug;55(4):816-829. doi: 10.1111/jpy.12856. Epub 2019 May 20.
Many strains of microalgae are potentially useful for industrial purposes. Microalgal biomass and microalgae-derived substances are becoming valuable products with a widening range of applications including biofuels and human food. In this study, the possibility of using the methane waste from biomass biodigestion in the cultivation of Chlorella vulgaris biomass with simultaneous waste treatment was investigated. The methane waste from biomass biodigestion was obtained from a multifunctional facility (Piaszczyna, Poland) producing bioethanol from plant biomass with several steps to reuse the wastes, heat, and carbon dioxide. The growth and biomass yield, as well as photosynthetic performance of C. vulgaris on diluted waste, were similar to the results obtained on the standard mineral medium. The cultivation of C. vulgaris was the waste, treatment step that significantly reduced chemical oxygen demand. The results indicated that the waste contained micro- and macronutrients sufficient to sustain the growth of C. vulgaris cell culture up to 2 g of dry biomass per liter of culture. The results contributed to the development of the waste treatment step in the Piaszczyna facility that allowed for a further decrease in emissions and may lead to development of microalgae biomass-based products in the facility portfolio.
许多微藻菌株具有潜在的工业用途。微藻生物质和微藻衍生物质正成为具有广泛应用的有价值产品，包括生物燃料和人类食品。在这项研究中，研究了在同时进行废物处理的情况下，利用生物质生物消化产生的甲烷废物来培养普通小球藻生物质的可能性。生物质生物消化产生的甲烷废物来自于一个多功能设施（波兰皮亚谢钦纳），该设施使用植物生物质生产生物乙醇，并采用了多个步骤来重复利用废物、热量和二氧化碳。在稀释废物上培养的普通小球藻的生长和生物质产量以及光合作用性能与在标准矿物培养基上获得的结果相似。普通小球藻的培养是废物处理步骤，可以显著降低化学需氧量。结果表明，废水中含有足够的微量和常量营养素，可维持普通小球藻细胞培养物的生长，每升培养物可达 2 克干生物质。这些结果有助于皮亚谢钦纳设施中废物处理步骤的开发，该步骤进一步减少了排放，并可能导致设施组合中基于微藻生物质的产品的开发。
