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Recovery of methane from hydrate reservoir with gaseous carbon dioxide using a three-dimensional middle-size reactor

Yuan, Qing; Sun, Chang-Yu; Yang, Xin; Ma, Ping-Chuan; … - In: Energy 40 (2012) 1, pp. 47-58

Three groups of hydrate-bearing sediment samples with/without underlying gas were prepared using a three …-dimensional middle-size reactor to investigate the favorable conditions for methane recovery from hydrate reservoir with gaseous CO2. The … experimental results indicated that hydrate reservoir with underlying free gas, high saturation of free gas and low saturation of …

Persistent link: https://www.econbiz.de/10010809300

Hydrate-based pre-combustion carbon dioxide capture process in the system with tetra-n-butyl ammonium bromide solution in the presence of cyclopentane

Li, Xiao-Sen; Xu, Chun-Gang; Chen, Zhao-Yang; Wu, Hui-Jie - In: Energy 36 (2011) 3, pp. 1394-1403

Effects of 0.29mol% tetra-n-butyl ammonium bromide (TBAB) solution in conjunction with cyclopentane (CP) on the hydrate … induction time of the hydrate formation at the different temperature–pressure conditions. The results show that the volume of …–pressure condition. In addition, the CO2 concentration in the decomposed gas from the hydrate slurry phase reaches approximately 93mol …

Persistent link: https://www.econbiz.de/10010810726

CO2 (carbon dioxide) separation from CO2–H2 (hydrogen) gas mixtures by gas hydrates in TBAB (tetra-n-butyl ammonium bromide) solution and Raman spectroscopic analysis

Xu, Chun-Gang; Zhang, Shao-Hong; Cai, Jing; Chen, Zhao-Yang - In: Energy 59 (2013) C, pp. 719-725

The hydrate-based CO2 (carbon dioxide) separation and capture from CO2/H2 (hydrogen) gas mixtures with the different CO … of 274.15 K and under driving force of 3.0 MPa, the hydrate formation induction time increases while the CO2 recovery (or …

Persistent link: https://www.econbiz.de/10011055299

Hydrate-based CO2 (carbon dioxide) capture from IGCC (integrated gasification combined cycle) synthesis gas using bubble method with a set of visual equipment

Xu, Chun-Gang; Li, Xiao-Sen; Lv, Qiu-Nan; Chen, Zhao-Yang; … - In: Energy 44 (2012) 1, pp. 358-366

The hydrate-based carbon dioxide (CO2) capture from the integrated gasification combined cycle (IGCC) synthesis gas … plate on the bottom of the equipment. By the visual equipment, the hydrate formation and the hydrate shape are visually … captured. With the move of the gas bubble from the bottom to the top of the reactor, gas hydrate forms firstly from the gas …

Persistent link: https://www.econbiz.de/10011055513

Design of biomass and natural gas based IGFC using multi-objective optimization

Naraharisetti, Pavan Kumar; Lakshminarayanan, S.; … - In: Energy 73 (2014) C, pp. 635-652

Integrated Gasification Combined Cycle (IGCC) and Integrated Gasification Fuel cell Cycle (IGFC) uses Syngas in fuel cells and gas turbines to produce power. Several designs have been studied and it is common to analyze different designs (one at a time) to understand which design is more...

Persistent link: https://www.econbiz.de/10010906878

Weight and power optimization of steam bottoming cycle for offshore oil and gas installations

Nord, Lars O.; Martelli, Emanuele; Bolland, Olav - In: Energy 76 (2014) C, pp. 891-898

Offshore oil and gas installations are mostly powered by simple cycle gas turbines. To increase the efficiency, a steam bottoming cycle could be added to the gas turbine. One of the keys to the implementation of combined cycles on offshore oil and gas installations is for the steam cycle to have...

Persistent link: https://www.econbiz.de/10010939845

Feasibility study of heat-integrated distillation columns using rigorous optimization

Shahandeh, Hossein; Ivakpour, Javad; Kasiri, Norollah - In: Energy 74 (2014) C, pp. 662-674

In this work, rigorous optimization of HIDiC (Heat-Integrated Distillation Column) and VRC (Vapor Recompression Column) is implemented by GA (Genetic Algorithm) to find an alternative for CDiC (Conventional Distillation Column). The objective function is TAC (Total Annual Cost). Three different...

Persistent link: https://www.econbiz.de/10010931351

A novel conceptual design of parallel nitrogen expansion liquefaction process for small-scale LNG (liquefied natural gas) plant in skid-mount packages

He, Tianbiao; Ju, Yonglin - In: Energy 75 (2014) C, pp. 349-359

The utilization of unconventional natural gas is still a great challenge for China due to its distribution locations and small reserves. Thus, liquefying the unconventional natural gas by using small-scale LNG plant in skid-mount packages is a good choice with great economic benefits. A novel...

Persistent link: https://www.econbiz.de/10010931367

A novel MPPT (maximum power point tracking) algorithm based on a modified genetic algorithm specialized on tracking the global maximum power point in photovoltaic systems affected...

Daraban, Stefan; Petreus, Dorin; Morel, Cristina - In: Energy 74 (2014) C, pp. 374-388

This article presents a novel MPPT (maximum power point tracking) algorithm, based on a modified GA (genetic algorithm). When photovoltaic systems are affected by partial shading, a GMPPT (global maximum power point tracking) algorithm is required to increase the energy harvesting capability of...

Persistent link: https://www.econbiz.de/10010931403

Model-based optimization strategy of chiller driven liquid desiccant dehumidifier with genetic algorithm

Wang, Xinli; Cai, Wenjian; Lu, Jiangang; Sun, Youxian; … - In: Energy 82 (2015) C, pp. 939-948

This study presents a model-based optimization strategy for an actual chiller driven dehumidifier of liquid desiccant dehumidification system operating with lithium chloride solution. By analyzing the characteristics of the components, energy predictive models for the components in the...

Persistent link: https://www.econbiz.de/10011209515