New trigeneration system integrated with desalination and industrial waste heat recovery for hydrogen production

Ishaq, Haris; Dinçer, İbrahim; Naterer, G.F.

doi:10.1016/j.applthermaleng.2018.07.019

Cited by 50 publications

(9 citation statements)

References 27 publications

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“…Hybrid MSF-MED (Multi-Effect Desalination) thermal desalination processes were utilized in this study to produce a total range of 100–40,000 m 3 /day. Ishaq et al’s [ 40 ] trigeneration system for electricity, hydrogen and freshwater production using waste heat from a glass melting kiln was explained in their work.…”

Section: Discussionmentioning

confidence: 99%

Water Desalination Using the Once-through Multi-Stage Flash Concept: Design and Modeling

2022

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Thermal water desalination is one of the most important techniques to solve the water scarcity problem in many regions of the world. Out of around 7.8 billion people in the world, only about 6 billion of them have access to clean water; notably, climate change plays a major role in accelerating the evaporation rate of water from water bodies, which in turn increases the scarcity. Multi-stage flash, recognized to have a high rate of water production in comparison with other available technologies, accounts for 35% of water desalination facilities worldwide. This paper presents a detailed Excel model to evaluate the amount of energy required to drive 16 stages of multi-stage flash. This model aims to design and evaluate the amount of thermal energy required for such projects and optimize their performance by calibrating the governing parameters. Furthermore, the 16 stages were simulated via the Ebsilon 13.02 software package to match the results and evaluate the fulfillment of the plant requirements. The temperature drop of the brine stream was 2.34 °C/stage. The top brine temperature was 130 °C. The results show that 29.5 kg/s of superheated steam is required to desalinate 162 kg/s of 2500 kg/s influent mass flow of brine. The effect of water intake temperature was also examined by using Ebsilon. The performance ratio decreased from 5.49 to 2.66 when the water intake temperature decreased from 30 °C to 5 °C.

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Section: Discussionmentioning

confidence: 99%

Water Desalination Using the Once-through Multi-Stage Flash Concept: Design and Modeling

2022

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“…Input data and assumptions for the base case study are listed in Table 1 [34,[48][49][50][51][52]. Pumps isentropic efficiency (%) 80…”

Section: Copper-chlorine and Rankine Cyclesmentioning

confidence: 99%

Energy and Exergy Analyses of a Solar-based Multi-generation Energy Plant Integrated with Heat Recovery System and Thermal Energy Storage

Sadeghi¹,

Ghandehariun²,

Rezaie³

2020

Preprint

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An innovative multigeneration energy system driven by solar energy is proposed in this paper. The integrated model produces electricity, hydrogen, oxygen, and steam for heating purposes. The energy system comprises a pressurized cavity-based solar power tower, latent thermal energy storage (TES) unit, unfired gas turbine (GT) unit, regenerative steam Rankine cycle (SRC), copper-chlorine (Cu-Cl) thermochemical cycle, and heat recovery units. By utilization of a high-temperature ternary eutectic phase change material (PCM), a dynamic model is developed to deal with the intermittency of solar energy. Using energy and exergy approaches, the proposed system is investigated to assess exergy destruction rates and the overall system performance. A parametric study is performed to investigate the influence of design parameters such as the number of heliostats, the pressure ratio of GT, and temperatures of reactions on the system performance. The results showed that the energy system produces electricity, steam, hydrogen, and oxygen at a rate of 41.9 MW, 12.6 kg/s, 0.19 kg/s, and 0.76 kg/s, respectively. Energy and exergy efficiencies of the integrated system are found to be 49.9%, and 44.9%, respectively.

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“…Apart from district heating, more sophisticated applications have been also proposed (hydrogen production, food processing, etc. [13][14][15]).…”

Section: Physical Cooling and Heat Recoverymentioning

confidence: 99%

Operation Algorithms and Computational Simulation of Physical Cooling and Heat Recovery for Indoor Space Conditioning. A Case Study for a Hydro Power Plant in Lugano, Switzerland

Katsaprakakis

Kagiamis²,

Zidianakis

et al. 2019

Sustainability

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This article presents the computational simulation process and the operation algorithms of the VAV and VRV systems, for indoor space conditioning, with extensive physical cooling and heat recovery. Through the introduction of appropriate operation algorithms, the article aims to highlight the high energy saving potential on indoor space conditioning, by exploiting physical cooling and heat recovery processes. The proposed algorithms are evaluated with a case study for a hydro power plant building located in the area of Lugano, Switzerland, with significant cooling needs for the whole year, due to high internal heat gains from indoor electrical equipment. This fact enables physical cooling during winter, for the cooling load coverage, and heat recovery, for the concurrent heating load coverage in different thermal zones of the building. Analytical operation algorithms are developed for a VAV and a VRV system. Both algorithms are computationally simulated. With the VAV system, 86.1% and 63.7% of the annual cooling and heating demand, respectively are covered by physical cooling and heat recovery. With the VRV system, 58.5% of the annual heating demand is covered by heat recovery. The set-up cost of the VAV system is almost twice higher than the set-up cost of the VRV system.

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New trigeneration system integrated with desalination and industrial waste heat recovery for hydrogen production

Cited by 50 publications

References 27 publications

Water Desalination Using the Once-through Multi-Stage Flash Concept: Design and Modeling

Water Desalination Using the Once-through Multi-Stage Flash Concept: Design and Modeling

Energy and Exergy Analyses of a Solar-based Multi-generation Energy Plant Integrated with Heat Recovery System and Thermal Energy Storage

Operation Algorithms and Computational Simulation of Physical Cooling and Heat Recovery for Indoor Space Conditioning. A Case Study for a Hydro Power Plant in Lugano, Switzerland

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