铝空气电池废液制备氢氧化铝阻燃剂分解工艺研究

采用碳分、种分和种分—碳分联合三种工艺对铝空气电池废电解液进行分解，并对分解得到的氢氧化铝的粒径、物相、差热差重变化和表面形貌进行了分析。结果表明，碳分工艺制取的氢氧化铝粒径粗大、颗粒粗糙，无法作为阻燃剂用；种分和种分—碳分联合工艺制得的氢氧化铝粒径细、颗粒形貌规则，满足阻燃剂对氢氧化铝的要求；其中，种分—碳分联合工艺制备氢氧化铝时，分解率超过90%，远高于种分工艺的氢氧化铝分解率，为最佳生产工艺。

Study on Decomposition Technology of Aluminum Hydroxide Flame Retardant Prepared from Waste Liquid of Aluminum Air Battery

Using carbon points, points and species joint three points - carbon technology for aluminum air battery waste electrolyte decomposition, and the particle size of aluminum hydroxide of decomposed, phase, poor differential thermal weight change and surface morphology analysis, get the following results: carbon points rough process of aluminum hydroxide particle size and particle coarse, not as a flame retardant aluminum hydroxide;The particle size and morphology of aluminum hydroxide prepared by the combined process of seed separation and seed separation and carbon separation meet the requirements of flame retardant aluminum hydroxide.In the preparation of aluminum hydroxide by the combination of seed and carbon, the decomposition rate was more than 90%, which was much higher than that of the seed and carbon separation process.