Impact of Dentures’ All-night Immersion in Distilled Water on Candidal Colonization | Chapter 1 | Research Advances in Microbiology and Biotechnology Vol. 8

 Objective: In order to maintain their dentures clean and correctly stored, patients mainly soak bureaucracy in water at night. Candida albicans is a commensal yeast muck that colonizes dentures, and in few conditions, it enhances an opportunistic pathogen and causes fungal contaminations known as candidiasis. This mycological study proposed to evaluate the effect of distilled water on Candida albicans settling dentures.Methods: Twenty sufferers (9 men, 11 women; age range 40-75 age) with complete maxillary false teeth infected by Candida albicans were contained in this study. The dentures of these sufferers were soaked in water purified by distillation for 4 days (8 hours at night). Swab samples from the dentures were calm before and after water purified by distillation use and examined mycologically.Results: The Candida albicans community counts increased after wetting the dentures in water purified by distillation for 8 hours for 4 days.Conclusion: Patients should be dissuaded from drenching their dentures journey in distilled water, as the result is a significant increase in fungal establishment.

Author(s) Details:

Georges Aoun,
Department of Oral Medicine and Maxillofacial Radiology, Faculty of Dental Medicine, Lebanese University, Beirut, Lebanon.

Wissam Sharrouf,
Department of Oral Medicine and Maxillofacial Radiology, Faculty of Dental Medicine, Lebanese University, Beirut, Lebanon.

Pamela Aoun,
MSc Food Technology, American University of Beirut, Beirut, Lebanon and Clinical Nutrition and Medical Assistant, Private Practice, Beirut, Lebanon.

Please see the link here: https://stm.bookpi.org/RAMB-V8/article/view/12486

Experimental Studies on a Multi-Stage Solar Desalination Plant (MSD) under Moroccan Climate| Chapter 13 | Research Developments in Science and Technology Vol. 10

 

 In this chapter, we've described a solar desalination system that consists of an evaporation/condensation unit made up of a bottom basin and eight horizontal stages, connected to a field of four flat thermal collectors, each with a surface area of 2.1 m2, and a pump powered by photovoltaic panels. An experimental measurement of the desalination system was used to validate a simulation model that used a numerical solution to a set of differential equations characterising the system. According to the MSD system's testing findings, the highest stage temperatures for the 2020–2022 growing season will be 90°C, and the system will produce a maximum of 50–60 litres of water with a conductivity of 50–70 s/cm and a salt level of 0.045 g/L. In order to ensure the production of pure (drinking) water with a conductivity (2700 s/cm) and a salt content (500 mg/L), from a high conductivity well (4050 s/cm) and salt content (> 2720 mg/L), by solar energy, this pilot station in Douar Al Hamri, in the rural town of Boughriba in the Province of Berkane, Morocco, was installed and tested in the weather conditions of this isolated region The simulations and the experiment have great agreement, as shown by the modelling of these experimental data using the thermal equations established throughout this work. The evaluation of all the data and comparisons with the literature make it abundantly evident that the MSD system blocks established during this effort are operating effectively.

Author(s) Details:

Noureddine El Moussaoui,
Faculty of Science, Department of Physics, Mohamed First University, Laboratory of Electromagnetic, Signal Processing and Renewable Energy LESPRE, Team Electronic Materials and Renewable Energy EMRE, Oujda, Morocco.

Rhiat Mohammed,
Faculty of Science, Department of Physics, Mohamed First University, Laboratory of Electromagnetic, Signal Processing and Renewable Energy LESPRE, Team Electronic Materials and Renewable Energy EMRE, Oujda, Morocco.

Khalil Kassmi,
Faculty of Science, Department of Physics, Mohamed First University, Laboratory of Electromagnetic, Signal Processing and Renewable Energy LESPRE, Team Electronic Materials and Renewable Energy EMRE, Oujda, Morocco and Association Humain and Environnement of Berkane (AHEB), Berkane, Morocco.

Rachid Malek,
Faculty of Science, Department of Physics, Mohamed First University, Laboratory of Electromagnetic, Signal Processing and Renewable Energy LESPRE, Team Electronic Materials and Renewable Energy EMRE, Oujda, Morocco.

Spiros Alexopoulos,
Solar-Institut Jülich (SIJ), FH Aachen, Germany.

Klemens Schwarzer,
Engineering Office of Energy and Environmental Technology (IBEU), Julich, Germany.

Pascal Schmitz,
Solar-Institut Julich (SIJ), FH Aachen, Germany.

Hamid Chayeb,
Solar-Institut Jülich (SIJ), FH Aachen, Germany.

Najib Bachiri,
Association Humain and Environnement of Berkane (AHEB), Berkane, Morocco.

Please see the link here: https://stm.bookpi.org/RDST-V10/article/view/7727

Economic Evaluation of Passive Solar Distillation System: A Recent Study | Chapter 9 | Technological Innovation in Engineering Research Vol. 5

An economic study of a passive solar distillation unit is presented in this chapter. The startup and ongoing costs, system life, and estimated costs per unit mass of distilled water were used to evaluate the net present worth (NPW), benefit-cost ratio, payback period (PP), and internal rate of return (IRR) of a solar distillation unit. One simple and affordable low-carbon method is solar distillation. According to calculations, the Net Present Value (NPW), Benefit-Cost Ratio (BCRR), Payback Period (PP), and Internal Rate of Return (IRR) are each Rs. 26945.72, 1.5632, 1.538 years, and 50%, respectively. This study demonstrated that one of the most alluring sources of energy for distilling water is solar energy.

Author (s) Details:

Raj Kumar,
Department of Renewable Energy Engineering, College of Technology and Engineering, MPUAT, Udaipur, Rajasthan, India.

Kapil Kumar Samar,
Department of Renewable Energy Engineering, College of Technology and Engineering, MPUAT, Udaipur, Rajasthan, India.

Sudhir Jain,
Department of Renewable Energy Engineering, College of Technology and Engineering, MPUAT, Udaipur, Rajasthan, India.

Sonali Swetapadma Mohanty,
Department of Renewable Energy Engineering, College of Technology and Engineering, MPUAT, Udaipur, Rajasthan, India.

Please see the link here: https://stm.bookpi.org/TIER-V5/article/view/7468