Process optimization of alternate msf configurations has been targeted by coding a competent simulation model that is supplemented with a nondeterministic optimization algorithm. Seawater reverse osmosis desalination swro plants have become an essential. Water being necessary for consumption, household usage, industry. Integration of process modeling, design, and optimization. The objectives of this study is to develop a software to perform the modeling and the optimization of ro desalination systems, apply it to a largescale commercial reverse. Desalination is an interdisciplinary journal publishing high quality papers on desalination materials, processes and related technologies desalination welcomes submissions detailing work that is clearly connected to water desalting including applications of desalination to seawater, groundwater and waste waters, such as thermal, membrane, sorption and hybrid processes. Desalination refers to the process by which pure water is recovered from saline water using different forms of energy. Solar energy is becoming a promising source of heat and power for electrical generation and desalination plants. A solar desalination plant consisting of solar parabolic collectors, steam generators, and med unit was simulated technoeconomically and optimized using multiobjective genetic algorithm. Optimization in this section, the optimization methodology of multitrain ro desalination will be illustrated using an industrial desalination plant in chino, california.
For brackish water desalination, ro and another desalination process called electrodialysis ed are both competitive. Elkamel department of chemical engineering, college of engineering and petroleum, kuwait university, p. Thermoeconomic analysis and multiobjective optimization of. Economic analysis for process optimization of chabahar. Twostep optimization of pressure and recovery of reverse osmosis desalination process. There are two major types of desalination technologies around the world, namely membrane desalination and thermal desalination. This work is done using a superstructure optimization, while taking into account desired process conditions and constraints that are associated. Humidification dehumidification desalination process. Optimization of hybridized seawater desalination process article in desalination 11. An advantage of this method is consideration of the simultaneous effect of various parameters on process.
The optimization would require a tradeoff between pump pressure and recovery. Optimization of seawater reverse osmosis desalination. Design optimization of the desalination process at jebel ali. Pdf this paper presents an optimization study of a once through multistage flash msf desalination process with simple mixer. In this paper the humidificationdehumidification desalination process is studied and its performance optimized using mathematical programming.
Ppt on desalination desalination solar energy free. Edm is a variation of electrodialysis ed in which a metathesis reaction occurs. There are varying degrees of salinity in water, which affects the difficulty and expense of treatment, and the level of saline is typically measured in parts per million ppm. Processing of desalination reject brine for optimization. Economic analysis for process optimization of chabahar maritime university reverse osmosis desalination plant. Also, it can be designed to minimize the amount of energy discarded to the surroundings. There are ro systems on the market treating as little as 25 gallons per hour to more than 450,000 gallons per day. This total capacity is continuously increasing with a very rapid trend. The byproduct of the desalination process is brine. Increasingly strict constraints on the boron concentration for safe drinking and irrigation water present a tremendous challenge for the design of seawater reverse osmosis ro desalination systems.
Our previous results of desalination reject processing through laboratory and pilot investi. There are varying degrees of salinity in water, which affects the difficulty and expense of treatment, and the level. Desalination can be defined as any process that removes salts from water. Ro process configurations are systematically generated using a flexible superstructure and evaluated by economical investment and operating costs, technical energy requirement, water recovery rate and environmental performance indicators life cycle assessment. Desalination process pso, ga, etc using solar energy proposed work is to use matlab as a tool for modelling, simulation, optimization and control of desalination process. Optimization of multieffect distillation process using a. A mathematical model for the optimization of the mechanical vapor compression mvc desalination process is presented. Pdf optimization of the mechanical vapor compression. Processing of desalination reject brine for optimization of. Taweelah power and desalination plant project, a suitable redesign of the intakes and outfall. Thermoeconomic analysis and multiobjective optimization of a. Jan 31, 2020 desalination also spelled desalinization is the process of creating fresh water by removing saline salt from bodies of salt water. Optimization of the mechanical vapor compression mvc.
Optimization of the coupling of nuclear reactors and. Planning and design of desalination plants effluent. Load scheduling hybrid optimization process optimization msf optimization ro optimization fdfan optimization the tools, which are used to optimize the fuel consumption additionally, allow improvements in the work process, e. In this study, a linear programming lp model was developed to optimize operation of a large seawater reverse osmosis desalination plant. The desalination plant proposed consists of 18 flash stages in series. Pdf process optimization of freeze desalination of brine. Peter pechtl,bijan davari2003integrated thermal power and desalination plant optimization,general electric energy services, optimization software,powergen middle east r.
The crp was initiated as a step forward for facilitating an early deployment in developing countries, where nuclear desalination is being considered as an option to cope with fresh water deficit as well as energy in the coming decade. We modelled these relationships and developed an optimization framework to discover cost and performanceoptimal system architectures. Grass valley, california assistance agreement 02fc810833 desalination and water purification research and development program report no. Phosboucraa desalination plant for the phosphate industry. For comparison purposes, deterministic optimization algorithms have also been considered to evaluate upon the efficacy of the nondeterministic optimization algorithm. Optimization of energy costs for swro desalination plants.
A simulationoptimization approach is proposed to design a system for safe disposal. Ppt on desalination desalination solar energy free 30. However due to the fact that flow rate caused a counteracting effect of current density and residence time on the process it is. This facility has four ro trains with an overall production about 7 mega gallon per day mgd, as shown in figure 1. Each ro train has two stages with no interstage pump. The main objective of the present research program is the optimization of ro process efficiency and the decrease of consumption of the limited groundwater reserves through upgrading of the recovery of desalted water by adequate application of the most developed technologies of desalination membranes and chemicals this chapter focuses on assessing the feasibility of increase of total ro. Simulation and optimization of mediumsized seawater reverse. Pdf modelling and optimization of a multistage flash. The economics and performance of desalination plants ali m elnashar consultant, international centre for water and energy systems, abu dhabi, uae keywords. In 2007, the total capacity of installed seawater desalination plants worldwide was about 30 million m3d of which about 85 % is still in operation. Phosboucraa desalination plant for the phosphate industry optimization of process unit and ro performance k. This report outlines our investigation of this potential water desalination plant, including design and optimization of the desalination process, an analysis of its energy consumption and environmental impacts, and a study of its economic implications. Desalination also spelled desalinization is the process of creating fresh water by removing saline salt from bodies of salt water.
Comparative evaluation of performance and cost of several alternatives of brine process. Sadough vanini, 2009, medtvc process, desalination 235, elsevier, pp. Process optimization for zeroliquid discharge desalination. A process model is introduced that allows for optimized design. Pdf optimization of tajoura msf desalination plant researchgate.
Abstract a process optimization method has been developed for the design of reverse osmosis ro processes. Using desalination technologies for water treatment. Planning of the operating points in desalination plants based on. Freeze desalination of synthetic brines prepared from sodium chloride was investigated. Plant selection, design and implementation provides the comprehensive knowledge base required for efficient and sustainable process design for existing and new desalination plants around the world. This work presents an optimization study of a seawater reverse osmosis ro network with permeate split ps design under boron concentration restrictions. Optimization of the mechanical vapor compression mvc desalination process using mathematical programming. Box 5969, safat 60, kuwait department of chemical engineering, university of waterloo, 200. Pdf optimization of operating parameters of msf desalination. Nonlinear equations in terms of chemicalphysical properties and design equations are used to model the process. The presented model is based on a mass flowrate decoupling concept where flowrates of salt and water in the process are separately considered to allow for the development of a linear programming lp. Process optimization for zeroliquid discharge desalination of shale gas flowback water under uncertainty. In this work, an integrated study of modeling, optimization, and experimental work is undertaken for a parabolic trough concentrator combined with a humidification and dehumidification desalination unit. Global optimization of msf seawater desalination processes.
This paper presents a novel mathematical formulation for modelingbased optimization of the multiple effect distillation med water desalination process using thermal vapor compression tvc. Economic, energy, exergoeconomic, and environmental analyses and multiobjective optimization of seawater reverse osmosis desalination systems with boron removal. A theoretical framework discussed for optimizing energy consumption with and without energy recovery devices erds, considering the impact of membrane replacement and brine management costs. The other 50 percent becomes a brine solution that contains the concentrated salts and impurities that were removed through the filtration process, which. The economics and performance of desalination plants. Multiobjective optimization of ro desalination plants infoscience. About 50 percent of the feedwater that passes through the ro filtration system will be used as the finished product. Seawater desalination technologies research office legislative council secretariat fs071415 1. Optimization of multitrain brackish water reverse osmosis. The mathematical model involves the real physical constraints for the evaporation process. Pdf performance optimization of the humidification. The actual performances of the desalination process result from design choices which traditionally aimed at minimizing the total water price twp while respecting technical constraints and project requirements but without explicitly accounting for environmental impact. Onishi a, ruben ruizfemenia a, raquel salcedodiaz a, alba carreroparreno a, juan a. Introduction conventional desalination methods such as msf, me, vc and ro are suitable for large and corresponding author.
Moreover, process parameters including membrane area, hydraulic permeability, and layout would all affect the decisionmaking. Optimization of process and physical design of anaerobic and complementary processes focuses on process design and deals with startup procedures and steady state performance of uasb reactors, as well as the influence of operation on reactor performance. The simultaneous optimization of the ro process layout and operating conditions. Design optimization of the desalination process at jebel. More generally, desalination refers to the removal of salts and minerals from a target substance, as in soil desalination, which is an issue for agriculture. The conductivity variations for the different combinations of process parameters displayed in fig. Modelling and optimization of a multistage flash desalination. Electrodialysis metathesis edm is a novel desalination process that allows converting sparingly soluble salts into highly soluble solutions. Citescore values are based on citation counts in a given year e. This valuable resource for understanding and utilizing the most recent developments in desalination technologies. Reverse osmosis desalination with high permeability. Optimization of hybridized seawater desalination process. A simulation code was developed using matlab language programming. Desalination processes may be used in municipal, industrial, or commercial applications.
But most remote arid areas need low capacity desali nation systems. Desalination produces two streams freshwater and a more concentrated stream brine. Indirect steam generation using different thermal oils including therminol vp1, therminol66, and therminol59 was also investigated. Simulation and optimization of mediumsized seawater. Q are the influent intake or feed and effluent concentrate flow rates. This valuable resource for understanding and utilizing the most recent developments in desalination technologies and methods addresses the necessary components. A wise choice of making an advantageous desalination plant also. Desalination processes, multi stage flash, distillation process, multiple effect distillation med process, thermal vapor compression medtvc process. Saltwater is desalinated to produce water suitable for human consumption or irrigation. The objective is to study the design performance and economic feasibility of a. Seawater desalination is the most preferred technology regarding the feed water type, mainly because of its availability. The multistage flash msf desalination process is a widespread and vitally important process for satisfying the needs of citizens of arid land such as in the middle east countries.