Innovations in biodegradable materials: Harnessing Spirulina algae for sustainable biocomposite production

Q1 Environmental Science Bioresource Technology Reports Pub Date : 2024-10-01 DOI:10.1016/j.biteb.2024.101965

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Abstract

The negative implications of non-biodegradable plastics on environment have led to the need for eco-friendly materials that can mitigate environmental degradation. Spirulina algae have emerged as a promising candidate for sustainable biocomposite production due to their rapid growth rate, high protein content, and eco-friendly nature. This review explores the unique properties of Spirulina, including its mechanical strength, biodegradability, and potential environmental benefits when used as a biocomposite material. Comparisons with other biomaterials, such as polylactic acid (PLA) and cellulose, highlight Spirulina's advantages and limitations. The review also discusses the challenges of Spirulina's scalability and commercial application in biocomposites. Biocomposite production techniques including injection molding, solvent casting, and blending are discussed. Also, characterization techniques such as SEM, FTIR, and TGA are used to identify the properties of biocomposite. Finally, future research directions are suggested to overcome these challenges and fully realize Spirulina's potential in sustainable materials development.

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生物可降解材料的创新：利用螺旋藻生产可持续生物复合材料

不可降解塑料对环境造成的负面影响促使人们需要能够缓解环境退化的生态友好型材料。螺旋藻因其生长速度快、蛋白质含量高和生态友好的特性，已成为可持续生物复合材料生产的理想候选材料。本综述探讨了螺旋藻的独特性能，包括其机械强度、生物降解性以及用作生物复合材料时的潜在环境效益。与聚乳酸（PLA）和纤维素等其他生物材料的比较突出了螺旋藻的优势和局限性。综述还讨论了螺旋藻在生物复合材料中的可扩展性和商业应用所面临的挑战。还讨论了生物复合材料的生产技术，包括注射成型、溶剂浇注和混合。此外，还使用了扫描电镜、傅立叶变换红外光谱和热重分析等表征技术来确定生物复合材料的特性。最后，提出了未来的研究方向，以克服这些挑战，充分发挥螺旋藻在可持续材料开发方面的潜力。

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