[Q&A Question 202] 2016.11.08
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This post was last edited by liuquan1100 on 2016-11-7 19:59. [Q&A Question 202] 2016.11.08: What are the methods for adjusting the hydrogen partial pressure in a reaction system? The answer key will be available after responding; scoring is based on addressing the key points. 1. The hydrogen partial pressure can be increased by raising the purity of the recycled hydrogen; methods include lowering the inlet temperature of the cold high-pressure stream, discharging waste hydrogen, increasing the purity of the fresh hydrogen, and increasing the flow rate of the high-pressure lean amine solution. 2. It can also be achieved by increasing the system pressure: by raising the speed of the recycler to increase the amount of recycled hydrogen, increasing the amount of hydrogen supplied, reducing the amount of waste hydrogen discharged, and thereby using less hydrogen while maintaining an appropriate level of reaction intensity. 2016 Q&A Summary Post (updated as of November~~~~) Seeking sponsors for the “2016 Haichuan Top 10 Members Selection Contest” http://bbs.hcbbs.com/thread-1628108-1-1.html (Source: Haichuan Chemicals Forum)
Increase hydrogen purity, raise system pressure, increase the amount of fresh hydrogen supplied, and remove waste hydrogen
1. The hydrogen partial pressure can be increased by raising the purity of the recycled hydrogen; methods include lowering the inlet temperature of the cold high-pressure stream, removing waste hydrogen, increasing the purity of the fresh hydrogen, and increasing the flow rate of the high-pressure lean amine solution. 2. It can also be achieved by increasing the system pressure: by raising the speed of the recycler to increase the amount of recycled hydrogen, increasing the amount of hydrogen supplied, reducing the amount of waste hydrogen removed, and thereby decreasing the reaction depth and hydrogen consumption.
⑴ Increase the reaction pressure; ⑵ Increase the concentration of recycled hydrogen； ⑶Increase the hydrogen-to-oil ratio in the reaction ； ⑷Increase the supply of fresh hydrogen.
Adjust the purity of the hydrogen being supplied, adjust the system pressure, adjust the purity of the circulating hydrogen, and increase the amount of hydrogen that is discarded
1. The hydrogen partial pressure can be increased by raising the purity of the recycled hydrogen; methods include lowering the inlet temperature of the cold high-pressure stream, discharging waste hydrogen, increasing the purity of the fresh hydrogen, and increasing the flow rate of the high-pressure lean amine solution. 2. It can also be achieved by increasing the system pressure: by raising the speed of the recycler to increase the amount of recycled hydrogen, increasing the amount of hydrogen supplied, reducing the amount of waste hydrogen discharged, and thereby using less hydrogen while maintaining an appropriate level of reaction intensity.
1. Increase the pressure of the reaction system. 2. Improve the purity of hydrogen
Increase the reaction pressure, as well as the purity of the recycled hydrogen and hydrogen gas. Discharge of hydrogen waste,
Increase waste hydrogen emissions, improve the purity of new hydrogen, and raise the reaction pressure