Tuning the natural gas dew point by Joule-Thomson and Mechanical Refrigeration processes: A comparative energy and exergy analysis

Shamsi, Mohammad; Farokhi, Saman; Pourghafari, Mohammad; Bayat, Ahmad

doi:10.1016/j.petrol.2022.110270

Cited by 15 publications

(4 citation statements)

References 16 publications

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“…∆T min = 5 (for E − 100) (11) 2000 ≤ P S5 ≤ 4000 (12) −65 ≤ T S2 ≤ −45 (13) In the proposed formulation, the research focuses on a natural gas condensate recovery project in China, using the feed gas conditions and compositions outlined in Tables 2 and 3. The objective is to develop an ethane recovery process that achieves a high recovery rate of ethane while minimizing energy consumption, considering the specific feed conditions.…”

Section: Multi-objective Optimization Frameworkmentioning

confidence: 99%

“…Ghorbani et al [11] investigated cascade refrigeration systems in an integrated cryogenic natural gas process, encompassing NGL, liquefied natural gas, and nitrogen rejection units. Shamsi et al [13] conducted a comparative energy and exergy analysis of the Joule-Thomson and mechanical refrigeration processes to tune the natural gas dew point. Khajehpour et al [14] performed exergy analysis and optimization of a recovery unit for natural gas liquids.…”

Section: Introductionmentioning

confidence: 99%

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Process Simulation and Integration of Natural Gas Condensate Recovery Using Ethane–Propane Refrigerant Mixture

Sun,

Zhou,

Wang

et al. 2023

Processes

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Separating heavy components from natural gas not only enhances safety, improves pipeline transportation, ensures product quality, and addresses environmental considerations, but it also exerts an influence on global energy trends. Therefore, separating heavy components is necessary and can result in beneficial goods. This article presents a comprehensive study on the process simulation and optimization of the recovery of natural gas condensate via the combined refrigeration of a mixture of ethane and propane as a refrigerant. The optimization objectives include maximizing the recovery of ethane and propane, minimizing energy consumption, and achieving desired product quality targets. A sensitivity analysis was performed to assess the impact of key parameters on process performance. Using Aspen HYSYS software, the influence of the cooler outlet stream temperature and expander outlet stream pressure on the shaft power and profit of a dry gas compressor was analyzed based on the operating conditions of the case plant, which has a processing capacity of 2988 kmol/h. The profitability of the plant is at a maximum when the cooler’s outlet stream temperature is −61 °C and the expander’s outlet stream pressure is 2500 kPa. After optimization, the refrigeration cycle system can reduce the plant’s energy consumption by 1516.4 kW. An optimized process design can lead to enhanced recovery efficiency, reduced energy consumption, and improved profitability in the natural gas industry.

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Section: Multi-objective Optimization Frameworkmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Process Simulation and Integration of Natural Gas Condensate Recovery Using Ethane–Propane Refrigerant Mixture

Sun,

Zhou,

Wang

et al. 2023

Processes

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“…Water and C 3+ hydrocarbons present in the gas may condensate during transportation via pipelines, causing severe operational problems such as corrosion, unpredictable pressure changes, and hydrate formation [47]. To control the dew point (the highest temperature at a given pressure at which the liquid can form), different refrigeration processes may be applied including mechanical refrigeration, Joule-Thomson (JT) valve refrigeration, and cryogenic refrigeration by a turboexpander [48]. JT throttling expansion is most often employed due to the high well-head pressure, low operating costs, and simplicity [49].…”

Section: Introductionmentioning

confidence: 99%

“…JT throttling expansion is most often employed due to the high well-head pressure, low operating costs, and simplicity [49]. Depending on the refrigeration method, the achieved dew point of the gas stream varies from −8.4 to −24.9 • C [48], which means that the cold gas stream is available at the oilfield (in the surface facility). Usually, this cold is simply wasted because natural gas must be heated up to the proper temperature before being injected into the supply network [50].…”

Section: Introductionmentioning

confidence: 99%

Oilfield Brine as a Source of Water and Valuable Raw Materials—Proof of Concept on a Laboratory Scale

Rotko,

Knapik,

Piotrowski

et al. 2024

Water

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Oilfield brine is the largest byproduct stream generated during the extraction of crude oil and natural gas and may be considered a resource for the production of potable water and valuable raw materials. The high salinity of such waters limits the application of typical membrane-based techniques. In most oilfields, waste cold energy from the process of the low-temperature separation of natural gas is available and may be used as a source of cold for the freezing desalination (FD) of brine. As a result of the FD process, two streams are obtained: partially desalinated water and concentrated brine. The partially desalinated water may be suitable for non-potable applications or as a feed for membrane desalination. The concentrated brine from the FD could be used as a feed for the recovery of selected chemicals. This paper focuses on verifying the above-described concept of the freezing desalination of oilfield brine on a laboratory scale. The brine from a Polish oilfield located in the Carpathian Foredeep was used as a feed. Four freezing–thawing stages were applied to obtain low-salinity water, which subsequently was treated by reverse osmosis. The obtained permeate meets the criteria recommended for irrigation and livestock watering. The concentrated brine enriched with iodine (48 mg/L) and lithium (14 mg/L) was subjected to recovery tests. Ion exchange resin Diaion NSA100 allowed us to recover 58% of iodine. Lithium recovery using Mn- and Ti-based sorbents varies from 52 to 93%.

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Optimization of energy requirements and 4E analysis for an integrated post-combustion CO2 capture utilizing MEA solvent from a cement plant flue gas

Shamsi,

Naeiji,

Vaziri

et al. 2023

Environ Dev Sustain

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Tuning the natural gas dew point by Joule-Thomson and Mechanical Refrigeration processes: A comparative energy and exergy analysis

Cited by 15 publications

References 16 publications

Process Simulation and Integration of Natural Gas Condensate Recovery Using Ethane–Propane Refrigerant Mixture

Process Simulation and Integration of Natural Gas Condensate Recovery Using Ethane–Propane Refrigerant Mixture

Oilfield Brine as a Source of Water and Valuable Raw Materials—Proof of Concept on a Laboratory Scale

Optimization of energy requirements and 4E analysis for an integrated post-combustion CO2 capture utilizing MEA solvent from a cement plant flue gas

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