Water desalination using R141b gas hydrate formation

Karamoddin, Maryam; Varaminian, Farshad

doi:10.1080/19443994.2013.798840

Cited by 78 publications

(30 citation statements)

References 20 publications

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“…It is one of the most important factors in hydrate-based desalination since the operating conditions strongly depend on the guest molecules. With a possibility to form hydrate at temperature above 0°C from seawater, CHFC 141B has been studied for desalination in the last few decades [32,33,225]. However, CHFC…”

Section: Comparison Between Clathrate Formers For Hydrate-based Processmentioning

confidence: 99%

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Cyclopentane hydrates – A candidate for desalination?

Ho-Van

Bouillot

Douzet

et al. 2019

Journal of Environmental Chemical Engineering

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This article presents a systematic review on the past developments of Hydrate-Based Desalination process using Cyclopentane as hydrate guest. This is the first review that covers all required fundamental data, such as multiphase equilibria data, kinetics, morphology, or physical properties of cyclopentane hydrates, in order to develop an effective and sustainable desalination process. Furthermore, this state-of-the-art describes research and commercialization perspectives. When compared to traditional applications, cyclopentane hydrate-based desalination process could be a promising solution. Indeed, it operates under normal atmospheric pressure, lower operation energies are required, etc… However, there are some challenges yet to overcome. A decision aid in the form of a diagram is proposed for a new cyclopentane hydrates-based desalination process. Hopefully, concepts reviewed in this study will suggest new ideas to advance technical solutions in order to make commercial hydrate-based desalination processes a reality.

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Section: Comparison Between Clathrate Formers For Hydrate-based Processmentioning

confidence: 99%

“…This indicates one more time the economy feasibility of CPH-based desalting technique when utilizing cold seawater. [225,234] 5.74 [32] Freezing water 6.02 [69] Water distillation 40.7 [69] 7 Example of CPH technological approach…”

Section: Comparison Between Clathrate Formers For Hydrate-based Processmentioning

confidence: 99%

Cyclopentane hydrates – A candidate for desalination?

Ho-Van

Bouillot

Douzet

et al. 2019

Journal of Environmental Chemical Engineering

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“…Use of promoters has attracted widespread interest in hydrate-based desalination as they improve hydrate formation rate and moderate the equilibrium pressure. Tetrahydrofuran (THF) and tetrabutyl ammonium bromide (TBAB) are among the most widely discussed types of additives (Herslund et al, 2013;Karamoddin & Varaminian, 2014;Liu et al, 2015;Najibi et al, 2015;Sun et al, 2016). Despite advantages of these promoters on increasing the salt removal efficiency, their solubility in water is a major issue in hydrate-based desalination process.…”

Section: Introductionmentioning

confidence: 99%

Phase equilibrium measurements and modelling of mixed cyclopentane and carbon dioxide hydrates in presence of salts

Babakhani

Ho-Van

Bouillot

et al. 2020

Chemical Engineering Science

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Interest of Clathrate hydrates for industrial applications is rising. While numerous studies can be found on carbon capture or desalination, this effort investigates thermodynamics of the combined process using cyclopentane (CP) as second guest molecule. This document provides numerous equilibrium data of mixed CP/CO2 hydrates in presence of salt (NaCl, KCl) under differents concentrations. Final dissociation points are collected, as well as intermediate dissociation points in presence of hydrates. While the first provide equilibrium data, the others are not at equilibrium. Indeed, Results show that, in presence of salts, several crystallization events occur in the system. Consequently, multiple hydrate structures could be formed in the bulk, such as pure CO2 hydrates and mixed CO2/CP hydrates Finally, van der Waals and Platteeuw approach has been used and furnishes results within 0.4K uncertainty compared to this work and within 0.5K compared to literature. Besides, thermodynamic consistency of data has been evaluated.

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“…해수담수화를 위한 대표적인 공정으로는 다단 플래시 증발법(Multi-stage flash distillation, MSF), 다중효용법(Multi-effect distillation, MED)과 같은 증발 새로운 담수화 공정 중 정삼투(Forward osmosis, FO), 막 증발법(Membrane distillation, MD)은 에너지 소모량 문제를 해결해 줄 수 있을 것이라 기대되는 만큼 랩 스케일 실험 및 파일럿 테스트가 한창 진행되고 있는 중이다 (Cath et al, 2006;Khayet and Matsuura, 2011). 가스하이드레이트(Gas hydrate, GH) 형성원리를 이용 한 해수담수화 기술은 전처리 없이 단일공정으로 CO 2 와 R141b 가스를 이용하였을 때 용존된 이온의 제거 효율이 각각 72-80% (K + , Na + , Mg 2+ , B 3+ , Ca 2+ ), 59-70% (K + , Na + , Ca 2+ , Mg 2+ )로 나타나 기존의 담수화 공정들의 대안이 될 수 있는 기술로 고려되고 있다 (Park et al, 2011;Karamoddin and Varaminian, 2014).…”

Section: 서 론 1)unclassified

Evaluation of energy consumption of gas hydrate and reverse osmosis hybrid system for seawater desalination

Ryu¹,

Kim²,

Lim³

et al. 2016

J. Korean Soc. Water Wastewater

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Gas hydrate desalination process is based on a liquid to solid (Gas Hydrate, GH) phase change followed by a physical process to separate the GH from the remaining salty water. The GH based desalination process show 60.5-90% of salt rejection, post treatment like reverse osmosis (RO) process is needed to finally meet the product water quality. In this study, the energy consumption of the GH and RO hybrid system was investigated. The energy consumption of the GH process is based on the cooling and heating of seawater and the heat of GH formation reaction while RO energy consumption is calculated using the product of pressure and flow rate of high pressure pumps used in the process. The relation between minimum energy consumption of RO process and RO recovery depending on GH salt rejection, and (2) energy consumption of electric based GH process can be calculated from the simulation. As a result, energy consumption of GH-RO hybrid system and conventional seawater RO process (with/without enregy recovery device) is compared. Since the energy consumption of GH process is too high, other solution used seawater heat and heat exchanger instead of electric energy is suggested.

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Water desalination using R141b gas hydrate formation

Cited by 78 publications

References 20 publications

Cyclopentane hydrates – A candidate for desalination?

Cyclopentane hydrates – A candidate for desalination?

Phase equilibrium measurements and modelling of mixed cyclopentane and carbon dioxide hydrates in presence of salts

Evaluation of energy consumption of gas hydrate and reverse osmosis hybrid system for seawater desalination

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