Olguín Eugenia J
Environmental Biotechnology Department, Institute of Ecology, Km 2.5 Carretera Antigua a Coatepec No. 351 Congregación El Haya, Xalapa, Veracruz, 91070 Mexico.
Biotechnol Adv. 2003 Dec;22(1-2):81-91. doi: 10.1016/s0734-9750(03)00130-7.
Phycoremediation applied to the removal of nutrients from animal wastewater and other high organic content wastewater is a field with a great potential and demand considering that surface and underground water bodies in several regions of the world are suffering of eutrophication. However, the development of more efficient nutrient removal algal systems requires further research in key areas. Algae growth rate controls directly and indirectly the nitrogen and phosphorus removal efficiency. Thus, maximum algae productivity is required for effective nutrient removal and must be considered as a key area of research. Likewise, low harvesting costs are also required for a cost-effective nutrient removal system. The use of filamentous microalgae with a high autoflocculation capacity and the use of immobilized cells have been investigated in this respect. Another key area of research is the use of algae strains with special attributes such as tolerance to extreme temperature, chemical composition with predominance of high added value products, a quick sedimentation behavior, or a capacity for growing mixotrophically. Finally, to combine most of the achievements from key areas and to design integrated recycling systems (IRS) should be an ultimate and rewarding goal.
考虑到世界上几个地区的地表水和地下水体正遭受富营养化，应用于去除动物废水和其他高有机含量废水中营养物质的藻类修复是一个具有巨大潜力和需求的领域。然而，开发更高效的营养物质去除藻类系统需要在关键领域进行进一步研究。藻类生长速率直接和间接地控制着氮和磷的去除效率。因此，为了有效去除营养物质，需要最大程度地提高藻类生产力，这必须被视为一个关键研究领域。同样，对于一个具有成本效益的营养物质去除系统来说，低收获成本也是必需的。在这方面，已经研究了使用具有高自絮凝能力的丝状微藻和固定化细胞。另一个关键研究领域是使用具有特殊特性的藻类菌株，如耐极端温度、以高附加值产品为主的化学成分、快速沉降行为或混合营养生长能力。最后，整合关键领域的大部分成果并设计综合回收系统（IRS）应该是一个最终且有意义的目标。
