There is a significant interest in novel waste management solutions to treat wastewater from swine operations. Anaerobic digestion is a rising and prominent solution, but this technology still generates highly concentrated effluent that requires further remediation. Therefore, the aim of this study was to explore the feasibility of cultivating the cyanobacterium in swine effluent for future applications in biological waste treatment and value-added fermentation. To accomplish this goal, growth of was characterized in varying proportions of ideal, synthetic Zarrouk medium and anaerobically digested pig effluent (ADPE) to obtain growth rate models. Results yielded a positive correlation between growth rate and Zarrouk medium proportion, with the highest growth rate in 100% Zarrouk media but comparable growth in the 50/50% Zarrouk/ADPE mixture. This study demonstrates the potential for to further improve the treatment efficacy of anaerobic digestion systems, and the exploratory analysis also highlights that further testing is required to investigate possible carbon availability, chemical inhibition, and overall nutrient reduction in ADPE. This research contributes important data toward the feasibility of producing value-added cyanobacterial biomass while simultaneously consuming excess nutrients to aid in agricultural wastewater management efforts and generate cost-effective products in a more sustainable manner.

中文翻译：

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不同浓度厌氧消化猪污水 (ADPE) 中钝顶螺旋藻 LB 2340 生长的探索性分析


人们对处理养猪场废水的新型废物管理解决方案非常感兴趣。厌氧消化是一种新兴且突出的解决方案，但该技术仍然会产生高浓度的废水，需要进一步修复。因此，本研究的目的是探讨在猪废水中培养蓝藻的可行性，以用于未来生物废物处理和增值发酵的应用。为了实现这一目标，对不同比例的理想合成 Zarrouk 培养基和厌氧消化猪废水 (ADPE) 的生长进行了表征，以获得生长速率模型。结果表明，生长速率与 Zarrouk 培养基比例之间呈正相关，其中 100% Zarrouk 培养基中的生长速率最高，但 50/50% Zarrouk/ADPE 混合物中的生长情况相当。这项研究证明了进一步提高厌氧消化系统处理效果的潜力，探索性分析还强调需要进一步测试来研究 ADPE 中可能的碳利用率、化学抑制和总体营养减少。这项研究为生产增值蓝藻生物质的可行性提供了重要数据，同时消耗多余的营养物质，以帮助农业废水管理工作，并以更可持续的方式生产具有成本效益的产品。