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废轮胎热解衍生油非加氢脱硫

Keywords: 废轮胎,衍生油,非加氢脱硫,氧化锌,A.D.A工艺

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Abstract:

衍生油是废轮胎热解过程中最重要的产品之一,其最有意义的一种用途是作为燃料来得到较高的附加值。但是衍生油的硫含量较高,且具有恶臭味道,妨碍了它作为燃料的广泛应用。在管式反应器上分别考察了氧化锌、混合脱硫剂、A.D.A和MDEA+环丁砜法对废轮胎高温热解气的非加氢脱硫效果,并对不同的脱硫工艺作了简要的经济评价。结果发现,白土、陶土和石灰粉混合脱硫剂与氧化锌的热解气直接脱硫效果较好,衍生油的硫含量可降低到0.11%左右。采用油气分离的A.D.A脱硫工艺最经济。

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