[Q&A Question 297] 11.11.2017
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【Q&A Question 297】November 11, 2017: What role does hydrogen play in the hydrofinishing reaction? ①In the hydrogenation reaction, hydrogen acts as a reactant. ②A large amount of hydrogen flows through the reactor, carrying away the heat of reaction and preventing coking of the catalyst, the feed oil, and carbon deposition on the catalyst, thus serving to protect it. ③The presence of a large amount of hydrogen enables the formation of a good dispersion of the oil products, resulting in more uniform contact with the catalyst and a more complete reaction. ④The presence of a large amount of hydrogen can maintain the hydrogen partial pressure required for the hydrofining reaction. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) For management purposes, if you need to view content from a few days ago, please go through the summary post below. 2017 Q&A Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html (Source: Haichuan Chemical Industry Forum)
(1) In the hydrogenation reaction, hydrogen acts as a reactant in the reaction. (2) A large amount of hydrogen passing through the reactor can carry away the heat of reaction, preventing coking of the catalyst and thus protecting it. (3) A large amount of hydrogen is present. It enables the system to maintain a certain flow rate, allowing the feed oil, hydrogen, and catalyst to react more completely.
One is to participate in chemical reactions, and the other is to carry away the heat of reaction. Third is to suppress catalyst coking. Fourth, ensure the raw materials are thoroughly mixed.
1. A large amount of hydrogen flows through the reactor, carrying away the heat generated by the reactions within it and thus maintaining thermal balance in the reactor. 2. It prevents coking and carbon deposition on the catalyst, thereby protecting it. 3. It ensures that the feed oil is evenly distributed within the reactor, allowing it to come into good contact with the catalyst and enabling complete reaction. 4. It maintains the hydrogen partial pressure required for the hydrocracking reaction.
1. Participate in the reaction； 2. Carry away the reaction heat to protect the catalyst ； 3. Maintain the hydrogen partial pressure required for the hydrorefining reaction; 4 ensures more complete and thorough reaction
1. Participate in the reaction. 2. Carry away the heat generated by the reaction. 3. Ensure that the oil forms a good dispersion for more uniform contact with the catalyst. 4. Maintain the hydrogen partial pressure required for the hydrogenation reaction.
(1) In the hydrogenation reaction, hydrogen acts as a reactant in the reaction. (2) A large amount of hydrogen passing through the reactor can carry away the heat of reaction, preventing coking of the catalyst and thus protecting it. (3) A large amount of hydrogen is present. It enables the system to maintain a certain flow rate, allowing the feed oil, hydrogen, and catalyst to react more completely.
It provides the hydrogen partial pressure, participates in chemical reactions, maintains a certain hydrogen-to-oil ratio, and ensures uniform distribution of the raw materials
1. A large amount of hydrogen flows through the reactor, carrying away the heat generated by the reactions within it and thus maintaining thermal balance in the reactor. 2. It prevents coking and carbon deposition on the catalyst, thereby protecting it. 3. It ensures that the feed oil is evenly distributed within the reactor, allowing it to come into good contact with the catalyst and enabling complete reaction. 4. It maintains the hydrogen partial pressure required for the hydrocracking reaction
1. In the hydrogenation reaction, hydrogen acts as a reactant in the reaction； 2. A large amount of hydrogen passes through the reactor, carrying away the heat generated by the reaction; this prevents coking of the catalyst, coking of the feed oil, and carbon deposition on the catalyst, thus serving to protect it ； 3. The presence of a large amount of hydrogen enables the oil products to be well dispersed, allowing for more uniform contact with the catalyst and thus more complete reactions ； 4. The presence of a large amount of hydrogen can maintain the hydrogen partial pressure required for the hydrorefining reaction.