Explanipedia

The transition from thermal to membrane-based seawater desalination—industry insights article Open

Hussain A. Al Nasser, Fatma Al-Radhi, Ali Al‐Hamzah, Christopher M. Fellows · 2025

Steady improvements in the specific energy consumption of reverse osmosis desalination have led to its increasing dominance of the seawater desalination industry. While energy consumption is clearly the dominant factor in assessing the env…

Thermodynamic modeling of calcium sulfate hemihydrate formed from seawater and concentrated brine at elevated temperature Open

Ali Al‐Hamzah, C. Fellows, Christopher M. Fellows · 2024

Formation of hard scale, predominantly calcium sulfate, is the limiting factor in the operation of multi-stage flash (MSF) thermal desalination of seawater, restricting the top temperature and top brine concentration that can be achieved. …

Methallylsulfonate Polymeric Antiscalants for Application in Thermal Desalination Processes Open

Ali Al‐Hamzah, Christopher M. Fellows, Osman A. Hamed · 2024

Nine copolymers of acrylic acid and sodium methallyl sulfonate were tested as scale inhibitors in thermal desalination. The nine antiscalants covered molar masses between 2000 and 9500 g.mol–1 and concentrations of sulfonated monomer rangi…

Drinking Water Quality in the Kingdom of Saudi Arabia Open

Ali Al‐Hamzah, Christopher M. Fellows · 2024

The production and transmission system of the Saudi Water Authority (SWA) faces a number of challenges in maintaining the high quality of potable water. Produced desalinated water is transmitted for long distances and is mixed with ground …

Thermodynamic Modeling of Calcium Sulfate Hemihydrate Formed from Seawater and Concentrated Brine at Elevated Temperature Open

Ali Al‐Hamzah, C. Fellows, Christopher M. Fellows · 2024

Dolomite for Magnesium Supplementation of Desalinated Drinking Water in Saudi Arabia Open

Ali Al‐Hamzah, Chris Fellows, Abdulrahman S. Alofi, Abdulrahman A. Abid, Jamal M. Salama , et al. · 2024

Control of Bromate Formation in Desalinated Seawater Production and Transmission with Ammoniation Open

Ali Al‐Hamzah, Abdulrahman S. Alofi, Abdulrahman A. Abid, Christopher M. Fellows · 2023

Bromate is a potentially carcinogenic disinfection by-product of potential concern in desalinated waters, where bromide derived from seawater can be converted to bromate by the oxidising species used for disinfection. Historically, it has …

Film-forming amine product as an alternative to carbohydrazide oxygen scavenger in high pressure boilers Open

Mohammed Mahmoodur Rahman, Ali Al‐Hamzah, Ali Al-Sahary, Christopher M. Fellows, Ibrahim M. Al-Farsani · 2023

Hydrazine has been largely replaced by carbohydrazide (CHZ) as an oxygen scavenger due to safety and health concerns and CHZ is now used in Saline Water Conversion Corporation (SWCC) high pressure boilers. However, the operational problem …

Pathways to Magnesium Supplementation of Drinking Water: The Saline Water Conversion Corporation Experience Open

Chris Fellows, Ali Al‐Hamzah, Seungwon Ihm · 2023

Monitoring of inorganic and organic pollutants in the desalinated water from thermal desalination plants Open

Ali Al‐Hamzah, Gaheishi Ali H. Aldowis, Mohammed Mahmoodur Rahman, Christopher M. Fellows, Prasanna Kumar Kurup , et al. · 2022

Thermal Performance of MED-TVC Pilot at 95°C Elevated Temperature with Acid-anti-scalant Blend Treatment Open

Osman A. Hamed, Amr Mohamed Mahmoud, Khalid Bamardouf, Ahmad Al Ghamdi, Ali Al‐Hamzah · 2021

Enhancing the efficiency of desalination plants and economics of desalinated water are the major goal to researchers. In desalination industry; Multi Effect Desalination (MED) has an economic potential which proves its maturity among diffe…

The role of the viscous sublayer in calcium carbonate dissolution Open

Christopher M. Fellows, Ali Al‐Hamzah, Gaheishi A.H. Al-Dowis, Michael G. Evans, Mohammed Mahmoodur Rahman · 2020

Use of chlorine dioxide as alternative to chlorination in reverse osmosis product water Open

Ali Al‐Hamzah, Mohammed Mahmoodur Rahman, Prasanna Kurup, Anwar Barnawi, Bader Ghannam , et al. · 2019

Inhibition of Homogeneous Formation of Magnesium Hydroxide by Low-Molar-Mass Poly(acrylic acid) with Different End-Groups Open

Ali Al‐Hamzah, E. J. Smith, Christopher M. Fellows · 2015

The homogeneous crystallization of magnesium hydroxide (Mg(OH)2) was carried out at 97 °C in the absence and presence of low molar mass (Mn ≤ 2000) poly(acrylic acid) (PAA) terminated with different end groups. A significant decrease in Mg…

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