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加氢反应器

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Hydrogenation 加氢反应, 氢化反应

 

The process of hydrogenation is a chemical reaction type with gaseous hydrogen as a reaction partner.

Hydrogenations are generally carried out as heterogeneously catalyzed processes. Hydrogen is dispersed into fine bubbles in order to be dissolved in a liquid. The conversion of the dissolved hydrogen will then take place on the surface of a solid catalyst particle. Commonly used catalysts are palladium on activated carbon (alternatively platinum, rhodium, ruthenium or cobalt) and Raney nickel.

The generally low solubility of hydrogen in liquids can be improved by operating the hydrogenation reactor at increased pressure levels between 6 bar and up to 150 bar. The operating temperature of a hydrogenation reactor is typically in the range of 30°C to 250°C. 
 

氢化过程是一种化学反应类型,气态氢作为反应配偶体。

氢化通常作为非均相催化方法进行。 氢被分散成细小气泡以溶解在液体中。 然后,溶解的氢的转化将发生在固体催化剂颗粒的表面上。常用的催化剂是活性炭上的钯(或者铂,铑,钌或钴)和雷尼镍。

通过在6巴和高达150巴之间的增加的压力水平下操作氢化反应器,可以改善氢在液体中的低溶解度。 氢化反应器的操作温度通常在30℃至250℃的范围内。

         Explosion protection is one of the prior tasks while designing a hydrogenation reactor.
加氢反应器及装置控制系统
 


With more than 500 active references EKATO operates for more than 80 years in the field of hydrogenation and offers a wide product and service portfolio.
加氢反应器 结构及工作示意
 
The agitation system has the task of intensifying the mass/liquid transfer as hydrogenation reactions are usually mass-transfer limited. Additionally, the agitator must enhance the heat transfer to cool the reactor system. The vessel content must also be so homogenized as to avoid uneven temperature and concentration profiles during the hydrogenation process. In continuously operated hydrogenation reactors there is an additional task of ensuring fast contact between the educt stream and the hydrogen loaded catalyst.

A modern reactor system such as the EKATO hydrogenation reactor overcomes mass-transfer limitations by applying EKATO’s unique combined gassing technology along with an efficiently designed reactor cooling system. Thus is permitting shorter batch times, better conversion rates and therefore also better space/time yields and a better product quality as well.
 

搅拌系统的任务是加强质量/液体转移,因为氢化反应通常是质量传递受限的。 另外,搅拌器必须增强传热以冷却反应器系统。 容器内容物也必须均匀化,以避免在氢化过程中温度和浓度分布不均匀。 在连续操作的氢化反应器中,还有另一个任务是确保离析物流和加氢的催化剂之间的快速接触。


现代反应器系统如EKATO加氢反应器通过应用EKATO独特的组合放气技术和高效设计的反应堆冷却系统克服了传质限制。 因此,允许更短的批次时间,更好的转化率,因此也提供更好的空间/时间产率和更好的产品质量。


 


 
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