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Breakthrough Curves of Methane at High Pressures for H2 Purification Processes

✍ Scribed by M.Sc. Moises Bastos-Neto; Dr. Andreas Möller; Dr. Jürgen Böhm; Prof. Dr. Roger Gläser; Prof. Dr.-Ing. Reiner Staudt

Publisher
John Wiley and Sons
Year
2010
Tongue
German
Weight
361 KB
Volume
83
Category
Article
ISSN
0009-286X

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✦ Synopsis

Abstract

This work provides a series of methane adsorption isotherms and breakthrough curves on one 5A zeolite and one activated carbon. Breakthrough curves of CH~4~ were obtained from dynamic column measurements at different temperature and pressure conditions for concentrations of 4.4 – 17.3 mol.‐% in H~2~/CH~4~ mixtures. A simple model was developed to simulate the curves using measured and calculated data inputs. The results show that the model predictions agree very well with the experiments.

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Minor processes in the photolysis of azo
Minor processes in the photolysis of azomethane at low pressure: An upper limit for the rate of the unimolecular elimination of H2 from vibrationally excited ethane
✍ J. M. Roscoe; C. Blatt; R. A. Back 📂 Article 📅 1991 🏛 John Wiley and Sons 🌐 English ⚖ 332 KB

The photolysis of azomethane in the near UV has been studied at room temperature and pressures from 10 mtorr to 10 torr. The main products, CzHs and Nz, accounted for more than 9% of the reaction. Minor hydrocarbon products observed were (with quantum yields) C ~H B (3.5 x and n-C4Hlo (trace). Quant