The feasibility of the semi-continuous cultivation of Arthrospira (Spirulina) sp. and Nostoc sp. PCC 7413, using the centrate from the anaerobic digestion of wastewater from a seafood canning industry as a nutrient source, was assessed. Semi-continuous cultures were carried out in aerated tubular culture units of 250 mL by replacing a 10–20% of the volume with the centrate every 2 days. Growth, ammonium, and nitrate removal were monitored, as well as phycobiliprotein and protein production by Arthrospira sp. and released exopolysaccharides production by Nostoc sp. PCC 7413. The ammonium removal efficiency by Arthrospira sp. was 84.9 ± 1.9% in a culture maintained with an ammonium concentration of 11.3 mM. Lower ammonium concentrations (4.9 mM) could be applied to Nostoc sp. PCC 7413, reaching similar relative removal efficiency (84.1%). Taking into account the high ammonium stripping that occurs at the high pH required in Arthrospira sp. cultures, results indicate a better nutrient removal by Nostoc sp., although Arthrospira sp. is more suitable for working at high ammonium concentrations. Since all the ammonium was removed during the first 24 h for both species, much lower residence time could be supported by the cultures. High concentrations of protein (2.5 ± 0.2 mg mL⁻¹), phycobiliprotein (allophycocyanin, 84.3 ± 10.2 mg g⁻¹; phycocyanin, 73.7 ± 7.7 mg g⁻¹) were obtained by Arthrospira sp. cultures. A high concentration of released exopolysaccharides (962.7 ± 26.7 mg L⁻¹) was also obtained for Nostoc sp. PCC 7413 when cultured in the anaerobic centrate. The results indicate the possibility of the use of filamentous cyanobacteria for the treatment of industrial effluents rich in ammonium, with different possibilities of valorization of the biomass produced.

的半连续培养的可行性节旋藻（蓝藻）属 和Nostoc sp。对PCC 7413进行了评估，使用了来自海鲜罐头业废水的厌氧消化中的浓缩液作为营养源。半连续培养是在250 mL充气管式培养装置中进行的，方法是每2天用离心液替换10–20％的体积。监测节肢动物螺的生长，铵和硝酸盐的去除，以及藻胆蛋白和蛋白质的产生。并释放了Nostoc sp。生产的胞外多糖。PCC 7413.通过去除铵效率节旋sp。在维持铵浓度为11.3 mM的培养物中，其为84.9±1.9％。较低的铵浓度（4.9 mM）可以应用于Nostoc sp.。PCC 7413，达到相似的相对去除效率（84.1％）。考虑到Arthrospira sp。要求的高pH值下发生的高铵汽提。文化，结果表明，通过更好的脱氮除磷发菜属，虽然节旋藻。更适合在高铵浓度下工作。由于两种物种在最初的24小时内都去除了所有铵盐，因此培养物可以支持更低的停留时间。高浓度蛋白质（2.5±0.2 mg mL ^-1），通过节肢螺旋藻获得藻胆蛋白（盐藻蓝蛋白，84.3±10.2 mg g ^-1；藻蓝蛋白，73.7±7.7 mg g ^-1）。文化。对于Nostoc sp。还获得了高浓度的释放的胞外多糖（962.7±26.7 mg L ^-1）。PCC 7413在厌氧离心中培养。结果表明，使用丝状蓝细菌处理富含铵的工业废水的可能性，对所产生的生物质进行增值的可能性也有所不同。