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首页> 外文期刊>International Journal of Environmental Research and Public Health >Potential Occupational Exposures and Health Risks Associated with Biomass-Based Power Generation
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Potential Occupational Exposures and Health Risks Associated with Biomass-Based Power Generation

机译：与基于生物质的发电相关的潜在职业接触和健康风险

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Biomass is increasingly being used for power generation; however, assessment of potential occupational health and safety (OH&S) concerns related to usage of biomass fuels in combustion-based generation remains limited. We reviewed the available literature on known and potential OH&S issues associated with biomass-based fuel usage for electricity generation at the utility scale. We considered three potential exposure scenarios—pre-combustion exposure to material associated with the fuel, exposure to combustion products, and post-combustion exposure to ash and residues. Testing of dust, fungal and bacterial levels at two power stations was also undertaken. Results indicated that dust concentrations within biomass plants can be extremely variable, with peak levels in some areas exceeding occupational exposure limits for wood dust and general inhalable dust. Fungal spore types, identified as common environmental species, were higher than in outdoor air. Our review suggests that pre-combustion risks, including bioaerosols and biogenic organics, should be considered further. Combustion and post-combustion risks appear similar to current fossil-based combustion. In light of limited available information, additional studies at power plants utilizing a variety of technologies and biomass fuels are recommended.
机译：生物质正越来越多地用于发电。然而，对与基于燃烧的发电中使用生物质燃料有关的潜在职业健康与安全（OH＆S）问题的评估仍然有限。我们审查了与公用事业规模的发电中基于生物质的燃料使用相关的已知和潜在OH＆S问题的可用文献。我们考虑了三种潜在的暴露场景：燃烧前暴露于与燃料相关的材料，暴露于燃烧产物以及燃烧后暴露于灰分和残留物。还对两个发电站的灰尘，真菌和细菌水平进行了测试。结果表明，生物量工厂内的粉尘浓度可能变化很大，某些地区的峰值水平超过了木粉尘和一般可吸入粉尘的职业接触限值。被确定为常见环境物种的真菌孢子类型高于室外空气。我们的审查建议应进一步考虑燃烧前的风险，包括生物气溶胶和生物有机物。燃烧和燃烧后的风险似乎类似于当前基于化石的燃烧。鉴于可用信息有限，建议在电厂采用多种技术和生物质燃料进行进一步研究。

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