可持续水产养殖的生物絮团技术:微生物调控、营养动态和综合系统方法

IF 6.7 2区 工程技术 Q1 ENGINEERING, CHEMICAL
Nandini Rai , Akshaya Panigrahi , J.M. Julka , Fan-Hua Nan , Sofia Priyadarsani Das
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引用次数: 0

摘要

生物絮团技术(Biofloc Technology, BFT)是一种开创性的、可持续的水产养殖方法,它能够改善水质,大幅减少环境排放,提高鱼类和贝类的产量。这篇综述对BFT进行了广泛的研究,剖析了它的核心原则,并重点介绍了关键的设计考虑因素:持续曝气、策略性保水、水箱设计和几乎不需要水交换的系统。它还深入研究了驱动微生物絮团形成和营养物质同化的关键操作因素,例如理想的碳氮比(通常在10:1和20:1之间),最佳放养密度,溶解氧水平,pH控制(6.5-8.5)和碱度维持(高于100 mg/L)。讨论扩展到利用的各种有机碳源(如jaggery,糖蜜和米糠)以及益生菌在培养有益微生物群落中发挥的重要作用,这些有益微生物群落有利于健康,快速生长的水生物种。该文件细致地检查了系统的设置(室内或室外)、所选物种、生长结果和健康指标(包括身体成分和组织分析)是如何受到影响的。此外,它还强调了BFT在循环和弹性水产养殖方面的能力,展示了它与水培、水培、周围植物基质和生物炭等高效系统的整合。目前的障碍,如系统不稳定、起泡和复杂的操作,都是公认的,同时也有前瞻性的观点来扩展和优化技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Biofloc technology for sustainable aquaculture: Microbial regulation, nutrient dynamics, and integrated system approaches
Biofloc Technology (BFT) stands out as a groundbreaking and sustainable method in aquaculture, adept at improving water quality, drastically reducing environmental discharge, and boosting the yield of fish and shellfish. This review offers an extensive look at BFT, dissecting its core principles and spotlighting key design considerations: constant aeration, strategic water retention, tank design, and systems that require little to no water exchange. It also delves into the critical operational factors that drive microbial floc formation and nutrient assimilation, such as the ideal carbon-to‑nitrogen ratio (typically between 10:1 and 20:1), optimal stocking densities, dissolved oxygen levels, pH control (6.5–8.5), and alkalinity maintenance (above 100 mg/L). The discussion extends to the varied organic carbon sources utilized (like jaggery, molasses, and rice bran) and the vital role probiotics play in nurturing beneficial microbial communities for healthier, faster-growing aquatic species. The document meticulously examines how the system's setup (indoor or outdoor), the chosen species, growth outcomes, and health indicators (including body composition and tissue analysis) are influenced. Furthermore, it underscores BFT's capacity for circular and resilient aquaculture, showcasing its integration with efficient systems like aquaponics, hydroponics, periphyton substrates, and biochar. Current hurdles, such as system instability, foaming, and intricate operations, are acknowledged, alongside a forward-looking perspective on scaling and optimizing the technology.
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来源期刊
Journal of water process engineering
Journal of water process engineering Biochemistry, Genetics and Molecular Biology-Biotechnology
CiteScore
10.70
自引率
8.60%
发文量
846
审稿时长
24 days
期刊介绍: The Journal of Water Process Engineering aims to publish refereed, high-quality research papers with significant novelty and impact in all areas of the engineering of water and wastewater processing . Papers on advanced and novel treatment processes and technologies are particularly welcome. The Journal considers papers in areas such as nanotechnology and biotechnology applications in water, novel oxidation and separation processes, membrane processes (except those for desalination) , catalytic processes for the removal of water contaminants, sustainable processes, water reuse and recycling, water use and wastewater minimization, integrated/hybrid technology, process modeling of water treatment and novel treatment processes. Submissions on the subject of adsorbents, including standard measurements of adsorption kinetics and equilibrium will only be considered if there is a genuine case for novelty and contribution, for example highly novel, sustainable adsorbents and their use: papers on activated carbon-type materials derived from natural matter, or surfactant-modified clays and related minerals, would not fulfil this criterion. The Journal particularly welcomes contributions involving environmentally, economically and socially sustainable technology for water treatment, including those which are energy-efficient, with minimal or no chemical consumption, and capable of water recycling and reuse that minimizes the direct disposal of wastewater to the aquatic environment. Papers that describe novel ideas for solving issues related to water quality and availability are also welcome, as are those that show the transfer of techniques from other disciplines. The Journal will consider papers dealing with processes for various water matrices including drinking water (except desalination), domestic, urban and industrial wastewaters, in addition to their residues. It is expected that the journal will be of particular relevance to chemical and process engineers working in the field. The Journal welcomes Full Text papers, Short Communications, State-of-the-Art Reviews and Letters to Editors and Case Studies
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