Using a dry dust removal system used for aluminium dust collection presents a dust explosion risk, whereas a wet dust removal system presents a risk of hydrogen fire and explosion. Neither system can attain a sufficient level of safety for use at aluminium processing sites. In this paper, soybean isoflavone, a non-toxic and environmentally sustainable flavonoid, was investigated to inhibit hydrogen production from aluminium dust and water. Scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and Fourier transform infrared spectroscopy (FTIR) were used to characterize aluminium particles before and after the reaction. Soybean isoflavone was found to inhibit hydrogen production from aluminium dust and water. At a soybean isoflavone solution concentration of 2.1 g L⁻¹, a dense protective film resulting from chemical adsorption on the surfaces of the aluminium particles isolated the aluminium particles from water molecules. This film blocked the reaction pathway between the aluminium particles and water to suppress hydrogen generation. This fundamental study addresses the problems of hydrogen fires and explosions in wet dust removal systems for aluminium dust collection and provides a novel, safe and effective method for aluminium dust removal.

使用用于铝粉尘收集的干式除尘系统存在粉尘爆炸的危险，而湿式除尘系统存在氢燃烧和爆炸的危险。两种系统都无法获得足够的安全性，可用于铝加工现场。在本文中，对大豆异黄酮（一种无毒且对环境可持续的类黄酮）进行了研究，以抑制铝粉尘和水中的氢气产生。扫描之前和之后，使用扫描电子显微镜（SEM），能量色散光谱（EDS）和傅里叶变换红外光谱（FTIR）表征了铝颗粒。发现大豆异黄酮可以抑制铝粉尘和水中的氢气产生。在大豆异黄酮溶液中浓度为2.1 g L ^-1由于铝颗粒表面化学吸附而形成的致密保护膜将铝颗粒与水分子隔离开。该膜阻塞了铝颗粒和水之间的反应路径，从而抑制了氢气的产生。这项基础研究解决了用于铝粉尘收集的湿式除尘系统中氢气起火和爆炸的问题，并提供了一种新颖，安全有效的铝粉除尘方法。