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搜索结果
-
催化燃烧是用催化剂使废气中可燃物质在较低温度下氧化分解的净化方法。所以，催化燃烧又称为催化化学转化。由于催化剂加速了氧化分解的历程，大多数碳氢化合物在300~450℃的温度时，通过催化剂就可以氧化完。
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催化燃烧过程:在化学反应过程中，利用催化剂降低燃烧温度，加速有毒有害气体完全氧化的方法，叫做催化燃烧法。由于催化剂的载体是由多孔材料制作的，具有较大的比表面积和合适的孔径，当加热到300~450℃的有机气体通过催化层时，氧和有机气体被吸附在多孔材料表层的催化剂上，增加了氧和有机气体接触碰撞的机会，提高......
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催化燃烧装置：将吸附罐中的高浓度废气脱附出来，经催化燃烧装置。废气在催化燃烧装置的电加热系统作用下，在催化剂表面燃烧分解，从而净化废气。燃烧后释放的能量可以用来提高催化燃烧室进气温度和高温脱附吸附罐，使能量循环利用，降低运行成本。
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传统的有机废气净化处理方法(如吸附法、冷凝法、直接燃烧法等)均存在缺陷,如易造成二次污染等。为了克服传统有机废气处理方法的缺陷,人们采用催化燃烧方法来对有机废气进行净化处理。
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催化燃烧可以使燃料在较低的温度下实现完全燃烧，对改变燃烧过程、降低反应温度、促使完全燃烧、抑制有毒有害物质的形成等方面具有极为重要的作用，是一个环境友好的过程，其应用领域不断扩展，已广泛地应用在工业生产与日常生活的诸多方面。 [1]
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适用范围广：适用于制药厂、家禽养殖厂、垃圾场、饲料厂、牛皮纸浆厂、炼油厂、炼焦厂、油脂加工厂、石油化工厂、煤气厂、制药厂、农药厂、酿造厂、农产品加工、烟草行业， 肉类加工厂、水产、污水处理厂及畜产加工厂等
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目前国际针对工业有机废气的处理方法主要有：物理法、化学法、生物法，包括吸附、直接燃烧、催化燃烧、化学氧化、生物滤池等处理手段。而现阶段，我国针对有机废气处理工艺主要有：隔离法、燃烧法、吸收法、冷凝法、等离子低温催化氧化法、吸附法等。
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蓄热式燃烧处理技术（RTO)是把废气加热到700℃以上，使废气中的VOCs氧化分解成CO₂和 H₂O，氧化产生的高温气体流经陶瓷蓄热体，使之升温“蓄热”，并用来预热后续进入的有机废气，从而节省废气升温燃料消耗的处理技术。与直燃法和催化氧化法相比，RTO能够减少客户的运行成本。
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催化燃烧设备主要由活性炭吸附浓缩设备、催化燃烧设备和电控装置组成。催化燃烧设备是根据吸附浓缩（效率高）和催化燃烧（节能）两个基本原理设计的。即吸附浓缩—催化燃烧法。催化燃烧废气处理设备是治vocs废气的主要设备，对处理工业有机废气应用于油漆、橡胶加工、塑料加工、树脂加工、皮革加工、食品业和铸造业等工艺有极高的净化效果。
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催化燃烧RCO应用在处理有机废气领域石油化工、油漆、电镀、印刷、涂料、轮胎制造等工业的生产过程中都涉及到有机挥发化合物的使用和排放。有害的有机挥发物通常是烃类化合物、含氧有机化合物、含氯、硫、磷及卤素有机化合物，这些挥发性有机物如不经处理直接排入大气会造成严重的环境污染。传统的有机废气净化处理方......
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