Removal of acid gases from a gas stream, with CO2 capture and sequestration

PS Northrop, RB Anderson - US Patent 9,149,761, 2015 - Google Patents
A gas processing facility and method for processing a hydrocarbon gas stream comprising
sulfurous components and carbon dioxide. The gas processing facility includes an acid gas …

Towards nearly zero emissions natural gas-fired power plants using cryogenic carbon dioxide capture technology

AA Alsanousie, AE Attia, M Elhelw… - International Journal of …, 2023 - Elsevier
Cryogenic carbon capture (CCC) is one of the most recent and promising technologies for
reducing carbon dioxide emissions, hence mitigating the global warming. The present …

Cryogenic system for removing acid gases from a hydrocarbon gas stream, and method of removing acid gases

PS Northrop, BT Kelley, CJ Mart - US Patent 9,423,174, 2016 - Google Patents
A system for removing acid gases from a raw gas stream the system includes a cryogenic
distillation tower. The tower receives and separates the raw gas stream into an overhead …

Separating carbon dioxide and ethane from a mixed stream

RH Oelfke - US Patent 9,964,352, 2018 - Google Patents
Embodiments described herein provide methods and systems for separating a mixed ethane
and CO 2. A method described includes generating a liquid stream including ethane and CO …

Systems and methods for using cold liquid to remove solidifiable gas components from process gas streams

RD Kaminsky, M Minta - US Patent 10,408,534, 2019 - Google Patents
Abstract Systems and methods are described for re-moving solidifiable gas from a process
gas stream by direct contact with a cold liquid. The process gas stream includes at least gas …

Controlled freeze zone tower

ER Fieler, EJ Grave, PS Northrop… - US Patent App. 12 …, 2010 - Google Patents
(57) ABSTRACT A cryogenic distillation tower is provided for the separation of a fluid stream
containing at least methane and carbon dioxide. The cryogenic distillation tower has a lower …

Removing contaminants from natural gas

R Amin, CK Groothuis - US Patent 7,152,431, 2006 - Google Patents
(57) ABSTRACT A process for removing contaminants from a natural gas feed stream
including water and Sour species is provided, which process comprises the steps of cooling …

Integrated controlled freeze zone (CFZ) tower and dividing wall (DWC) for enhanced hydrocarbon recovery

V Singh, EJ Grave, PS Northrop… - US Patent 8,312,738, 2012 - Google Patents
The present invention relates to methods and apparatuses for the operation of a distillation
tower containing a controlled freezing zone and at least one distillation section. The process …

Cryogenic systems for removing acid gases from a hydrocarbon gas stream using co-current separation devices

PS Northrop - US Patent 9,829,246, 2017 - Google Patents
A system for removing acid gases from a raw gas stream is provided. The system includes a
cryogenic distillation column. The cryogenic distillation column receives a dehydrated and …

System and method of monitoring turbine engines

AK Pandey, RY Babu, RJ Rucigay… - US Patent …, 2015 - Google Patents
A monitoring system for use with a turbine engine is described herein. The turbine engine
includes a compressor and at least one compressor bleed valve coupled to the compressor …