Состав отходящих газов при каталитическом синтезе углеродных наноматериалов при пиролитическом разложении пропан-бутановой смеси

Doklady Akademii nauk Pub Date : 2019-01-13 DOI:10.29235/1561-8323-2018-62-6-685-693

Т. Н. Генарова, В. В. Грушевский, П. Н. Кривошеев, Олег Глебович Пенязьков, И. Ф. Буяков, Юлия Михайловна Дмитренко, С. А. Жданок, А. П. Чернухо

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引用次数: 2

Abstract

It is known that during the process of carbon nanomaterials synthesis, gaseous products and various unknown hydrocarbons are formed. Thus, the production of carbon nanomaterials could damage the environment. A detailed analysis of all gaseous products during the pyrolysis process is needed in order to clarify the nature of the formed substances and to control the technological characteristics of the catalyst. The chemical composition study of exhaust gases was made on the facility of propane-butane mixture pyrolysis for the carbon nanomaterial synthesis. The analysis of 16 polycyclic aromatic hydrocarbons (PAHs) of the extracts is made using a gas chromatography-mass spectrometry method. A quantitative analysis of gases was made by gas chromatography coupled with a heat conduction detector and a flame ionization detector. It was established that the concentrations of some PAHs exceed 14, 20, 90 and 100 times much as a maximum permissible concentration in the air. It was found that the appropriate devices of carbon nanomaterial production should be used in order to eliminate the PAHs that are formed.

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碳纳米材料催化合成中的退火气体组成

众所周知，在碳纳米材料的合成过程中，会形成气态产物和各种未知的碳氢化合物。因此，碳纳米材料的生产可能会破坏环境。为了阐明形成物质的性质和控制催化剂的工艺特性，需要对热解过程中的所有气态产物进行详细的分析。在丙烷-丁烷混合热解装置上进行了碳纳米材料合成废气的化学成分研究。采用气相色谱-质谱联用方法对提取物中16种多环芳烃(PAHs)进行分析。采用气相色谱联用热传导检测器和火焰电离检测器对气体进行了定量分析。经确定，一些多环芳烃的浓度超过空气中最大允许浓度的14倍、20倍、90倍和100倍。研究发现，为了消除所形成的多环芳烃，应采用适当的碳纳米材料生产装置。

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