自十九世纪六十年代苏尔维法问世以来,由于该法和路布兰法相比具有流程简便、连续生产、成本低廉、质量纯洁等优点而大兴于世,到二十世纪初已取路布兰法而代之,使纯碱工业得到迅速的发展。但苏尔维法有原料盐利用率低,废液处理困难等问题,又吸引了很多的科学家,致力于这一方法改进的研究,这些研究成果就是后来闻名于世的“侯氏碱法”的先声。 Since the advent of the Survivor Law in the 1860s, this law has gained popularity in the early twentieth century because of its simplicity, continuous production, low cost and pure quality compared with the Rembrandt Law Blanche instead, so that soda ash industry has been rapid development. However, the Survivor method has the problems of low utilization rate of raw material salt and difficulty in waste liquid treatment, and has attracted many scientists who are devoted to the improvement of this method. These research results are the Hou Houttucts Law, The first sound.