利用超声波提高巴西蘑菇的生长速度

Asleena Salaeh
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引用次数: 0

摘要

微藻已成为一种前景广阔的替代生物质来源,与传统作物相比,其单位质量含油量具有明显优势。在整个生命周期中最大限度地提高其繁殖能力对于优化生物质生产至关重要。本研究探讨了超声波对红球藻繁殖率的影响。研究考察了各种超声波参数,包括功率(37 kHz 时为 56.2、86.3 和 132.2 W;80 kHz 时为 46.3、67.2 和 101.2 W)、曝光时间(3 和 5 分钟)和时间间隔(2 和 4 天)。使用 37 kHz 超声波频率、83.6 W 功率、3 分钟照射时间和 2 天时间间隔可获得最佳效果,最大相对特定生长率(16.67%)和相对生物量生产率(34.62%)。除了这些参数外,调整超声波处理条件还会导致生长率和生物量生产率下降。考虑多种超声波因素至关重要,包括频率、功率、暴露时间和时间间隔,因为每个参数都会对微藻的生长产生重大影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
INCREASING GROWTH RATE OF Botryocuccus braunii USING ULTRASONIC WAVES
Microalgae have emerged as a promising alternative biomass source, offering distinct advantages over conventional crops in terms of oil content per mass. Maximizing their reproductive capacity throughout their life cycle is essential for optimizing biomass production. This study investigates the influence of ultrasonic waves on the reproductive rate of Botryococcus braunii microalgae. Various ultrasonic parameters, including power (56.2, 86.3, and 132.2 W for 37 kHz; 46.3, 67.2, and 101.2 W for 80 kHz), exposure times (3 and 5 min), and time intervals (2 and 4 days) were examined. The best outcomes were obtained with a 37 kHz ultrasonic frequency, 83.6 W power, 3-min exposure, and a 2-day interval, resulting in a maximum relative specific growth rate (16.67%) and relative biomass productivity (34.62%). Beyond these parameters, adjustments in ultrasonic treatment conditions resulted in decreased growth rates and biomass productivity. It is crucial to consider multiple ultrasonic factors, including frequency, power, exposure time, and time intervals, as each parameter significantly impacts microalgae growth.
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