Lack of safe water prevents 42 percent of the world's population from accessing sanitation. In 2021, the WHO estimated that there would be 784 million people without access to safe drinking water. With a well-planned system, the group aims to cut the number of people in need of drinkable water by half by 2015. These methods improve saltwater, which makes up 97 percent of the world's water. In this regard, a model that simulates the work of groundwater treatment firms using natural resources and renewable energy has been developed. There was a lack of continuous wind energy throughout most of Oman, where this model was put, and the necessity for a reverse osmosis system for constant maintenance because these projects rely on renewable energy everywhere. This article aims to create an autonomous desalination plant powered by solar and wind energy. A simulator model based on renewable energy groundwater purification systems was created for this aim. To treat subterranean water in distant areas of Oman using two renewable technologies to create enough electricity to run the reverse water purification and water purification system at the lowest cost. A turbine mounted vertically with a height of 1.5 meters and a diameter of 1 meter will produce 2304 liters per day and 800000 liters per year
An entrainer-assisted vacuum reactive distillation simulation is presented to synthesise high-purity ethyl acetate from acetic acid and ethanol. This process has the advantages of both heterogeneous azeotropic distillation and reactive distillation. Cyclohexane is used as an entrainer to break the water-ethanol azeotrope and extract water from the reactive part more efficiently. The feasibility of cyclohexane is evaluated using the residue curve map technique. The influence of various process parameters, such as reflux ratio, distillate to feed ratio, feed location of reactants and number of reactive stages on reboiler duty requirement, total annual cost, and purity of the product, were investigated. Comparison of EIARD and EIVRD configurations showed that EIVRD configuration showed 24.19% savings in reboiler duty per kg of product, 20% saving in total operating cost, and 6.59% saving in TAC.
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