Centre for Environmental Risk Assessment and Remediation, University of South Australia, Mawson Lakes, SA 5095, Australia; CRC CARE, Newcastle University LPO, PO Box 18, Callaghan, NSW 2308, Australia.
Global Centre for Environmental Remediation (GCER), Faculty of Science and Information Technology, University of Newcastle, Callaghan, NSW 2308, Australia; CRC CARE, Newcastle University LPO, PO Box 18, Callaghan, NSW 2308, Australia.
Bioresour Technol. 2018 May;256:254-258. doi: 10.1016/j.biortech.2018.02.025. Epub 2018 Feb 6.
The larger-scale generation of piggery and winery wastewaters and consequent eutrophication are quite alarming, necessitating the use of a cost-effective treatment. This study attempted to remediate wastewaters from piggery and winery mixed in the ratios of 20:80, 50:50, 80:20, 100:0 and 0:100, in terms of nutrient removal and subsequent lipid accumulation by soil microalga, Chlorella sp. MM3. The per cent removal of total nitrogen and phosphates by the alga from mixed wastewaters within 10-days ranged between 51 and 89 and 26-49, respectively. As determined by FTIR spectroscopy, the lipid accumulation in the microalgal cells grown in wastewater mixtures ranged between 29 and 51%. Our results suggest that Chlorella sp. MM3 could be a potential candidate for bioremediation of wastewaters derived from piggery farm and winery industry, and that mixing of these wastewaters in 20:80 ratio would be an efficient approach for phycoremediation of mineral-rich effluents and subsequent yield of fairly good amounts of biofuel.
规模化的养猪场和酿酒厂废水的产生以及随之而来的富营养化现象令人相当震惊，因此需要采用一种具有成本效益的处理方法。本研究试图通过土壤微藻小球藻 MM3 来修复以 20:80、50:50、80:20、100:0 和 0:100 的比例混合的养猪场和酿酒厂废水，以去除废水中的养分并随后积累脂质。藻类在 10 天内从混合废水中去除总氮和磷酸盐的百分比分别在 51%到 89%和 26%到 49%之间。通过傅里叶变换红外光谱法（FTIR）确定，在废水中生长的微藻细胞中的脂质积累量在 29%到 51%之间。我们的结果表明，小球藻 MM3 可能是一种用于养猪场和酿酒厂废水生物修复的潜在候选生物，并且以 20:80 的比例混合这些废水是有效去除富含矿物质的废水并随后生产相当数量的生物燃料的方法。
