通过生命周期分析评估微藻蛋白对环境和能源足迹的影响
Hemamalini Rawindran1, Jun Wei Lim2,3, Man Kee Lam4
1Department of Chemistry, Faculty of Science, Centre for Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia. Hemamalini.r@utm.my.
Molecular biotechnology
|November 14, 2023
概括
这项研究探讨了微藻蛋白质生产的生命周期评估,发现全球变暖潜力最小但能源需求显著. 优化能源使用是释放可持续微藻蛋白的全部潜力的关键.
科学领域:
- 生物技术是生物技术.
- 环境科学 环境科学
- 可持续资源 可持续的资源
背景情况:
- 微藻生物质研究传统上优先考虑产量而不是蛋白质含量.
- 微藻蛋白具有显著的价值和跨行业的多样化应用.
- 微藻中的蛋白质储备仍然是一个探索不足的资源.
研究的目的:
- 进行生命周期评估 (LCA),专注于从微藻生物质中生产蛋白质.
- 评估微藻蛋白提取对环境和能源的影响.
- 确定影响微藻蛋白生产对环境足迹的关键阶段.
主要方法:
- 用于微藻蛋白生产的生命周期评估 (LCA) 方法.
- 分析环境影响类别,包括全球变暖潜力.
- 评估能源指标,如净能源平衡 (NEB) 和净能源比率 (NER).
主要成果:
- 由于电力需求,种植阶段对大多数环境类别产生重大影响.
- 收获和蛋白质提取阶段也大大增加了环境负担.
- 微藻的蛋白质生产表明全球变暖潜力最小 (4×10−3公斤CO2).
- 观察到高能量强度,净能平衡 (NEB) 为-39.33MJ,净能比 (NER) 为0.49.
结论:
- 微藻的蛋白质生产是生态有利的关于全球变暖的潜力.
- 需要大量的能源投入,需要优化才能充分发挥潜力.
- 解决能源消耗对于微藻蛋白的可持续和广泛采用至关重要.
更多相关视频
05:40Comparison of Scale in a Photosynthetic Reactor System for Algal Remediation of Wastewater
Published on: March 6, 2017
9.1K
10:08Construction and Setup of a Bench-scale Algal Photosynthetic Bioreactor with Temperature, Light, and pH Monitoring for Kinetic Growth Tests
Published on: June 14, 2017
16.3K
相关概念视频
Green Algae
26
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
26
Environmental Applications of Microorganisms
29
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
29
Red Algae
38
Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
38
