LOW ENERGY CYCLIC PSA PROCESS

The invention is drawn to a cyclic pressure swing adsorption (PSA) process to recover an off-gas stream at high pressure with low energy consumption. Each cycle of said process comprises a blowdown phase consisting in lowering the pressure in an adsorbent bed from Phigh to Plow wherein said blowdown...

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Bibliographic Details
Main Authors RIFFLART, SEBASTIEN, ALMEIDA PEIXOTO RIBEIRO, ANA MAFALDA, GODINHO DE FARIA DOS SANTOS, JOAO CARLOS, EGIDIO RODRIGUES, ALIRIO
Format Patent
LanguageEnglish
French
Published 22.11.2012
Subjects
CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSEGASES [GHG]
CHEMISTRY
COMPOUNDS THEREOF
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
TRANSPORTING
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Summary:The invention is drawn to a cyclic pressure swing adsorption (PSA) process to recover an off-gas stream at high pressure with low energy consumption. Each cycle of said process comprises a blowdown phase consisting in lowering the pressure in an adsorbent bed from Phigh to Plow wherein said blowdown phase is divided into several partial blowdown phases, wherein the gas streams discharged during the partial blowdown phases are introduced into respective discharge tanks (T1-Tn).
Bibliography:Application Number: CA20122834188