The Freezing Unit and the Decolouring Unit are introduced into the process to control the color grade of the BA solution and the quality of the product.
采用冷冻和活性炭脱色工艺来控制水洗BA色级，减少BA液中有机杂酸和高分子蛋白的含量以保证最终产品的质量；
The Freezing Unit and the Decolouring Unit are introduced into the process to control the color grade of the BA solution and the quality of the product.
采用冷冻和活性炭脱色工艺来控制水洗BA色级，减少BA液中有机杂酸和高分子蛋白的含量以保证最终产品的质量；
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