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首页> 外文期刊>Journal of Environmental Management >Recent advances in flue gas desulfurization gypsum processes and applications - A review
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Recent advances in flue gas desulfurization gypsum processes and applications - A review

机译：烟气脱硫石膏工艺及其应用的最新进展-综述

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摘要

Flue gas desulfurization gypsum (FGDG) is an industrial by-product generated during the flue gas desulfurization process in coal-fired power plants. Due to its abundance, chemical and physical properties, FGDG has been used in several beneficial applications. However, during the past decade, the rate of beneficially used FGDG has gradually decreased, while its production has drastically increased. The presence of hazardous elements such as arsenic, mercury, cadmium, lead, and selenium in FGDG has reduced its beneficial value. Nevertheless, due to the recent developments in flue gas desulfurization processes, the "modern" FGDG contains lesser amounts of these elements, thus increasing its beneficial value and appeal to be included in other products. Hence, there are novel and traditional FGDG applications in different reuse scenarios investigated recently that have been deemed to pose minimal environmental concern - these need to be better understood. This review summarizes beneficial FGDG applications that have been deemed to pose minimal environmental concern, emphasizing their principles, research gaps, and potential developments, with the aim of increasing the reuse rate of FGDG.
机译：烟气脱硫石膏（FGDG）是燃煤电厂烟气脱硫过程中产生的工业副产品。由于其丰富，化学和物理特性，FGDG已用于多种有益的应用中。然而，在过去的十年中，有益使用的烟气脱硫剂的使用率逐渐下降，而其产量却急剧增加。 FGDG中有害元素如砷，汞，镉，铅和硒的存在降低了其有益价值。然而，由于烟道气脱硫工艺的最新发展，“现代”烟气脱硫装置含有较少量的这些元素，因此增加了其有益价值，并吸引被包括在其他产品中。因此，最近研究了在不同的重用场景中出现的新颖的传统FGDG应用程序，这些应用程序被认为对环境的影响最小-这些需要更好地理解。这篇综述总结了有益的FGDG应用，这些应用被认为对环境的影响最小，并强调了它们的原理，研究差距和潜在的发展，旨在提高FGDG的重用率。

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