Increasing the efficiency of an air separation plant by varying the cycle stage durations

Bel'nov, V. K.; Voskresenskii, N. M.; Predtechenskaya, D. M.; Safonov, M. S.; Kheifets, Leeka

doi:10.1134/s0040579507020066

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“…The adsorption separation of air has recently become an industrially utilized process; it is develop ing continuously and serves as the basis of the launch of commercial facilities [1][2][3][4].…”

Section: Introductionmentioning

confidence: 99%

Optimization of the process of zeolites activation using Harrington’s desirability function

Иванова

Алехина

Aknazarova

et al. 2015

Theor Found Chem Eng

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The optimal conditions for activating zeolites NaX and LiX have been determined through the design of experiment using the general criterion, Harrington's desirability function. The effect of four factors, i.e., temperature, heating rate, composition, and specific volume of purge gas, on the nitrogen/oxygen par tition coefficient for zeolite NaX has been studied. It has been established that the presence of carbon dioxide in purge gas during zeolite activation positively affects the partition coefficient and increases the capacity of zeolite to adsorb nitrogen.

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Section: Introductionmentioning

confidence: 99%