KAUST Assistant Professor Peiying Hong is researching methods to improve the safety of treated wastewater for reuse, motivated by increasing global water scarcity. Hong's work builds on Singapore's success in achieving water self-sufficiency through desalination and wastewater treatment. She aims to apply similar solutions to address water scarcity in countries like Saudi Arabia, where freshwater is limited. Why it matters: This research addresses critical water security challenges in water-stressed regions like Saudi Arabia and promotes sustainable water management practices.
KAUST researchers are developing innovative solutions for water treatment and desalination in Saudi Arabia. A pilot anaerobic membrane bioreactor in Jeddah treats 50,000 liters of wastewater daily at zero energy cost, producing water suitable for reuse and liquid fertilizer. Another KAUST team focuses on advancing desalination technologies by integrating renewable energy and reducing energy consumption and brine discharge. Why it matters: These advancements can significantly contribute to Saudi Arabia's water security and sustainability goals by reducing reliance on non-renewable groundwater and fossil fuels for desalination.
KAUST researchers led by Pascal Saikaly are developing microbial electrochemical technologies (METs) for wastewater treatment and energy recovery. The team combines METs with membrane filtration, creating a hybrid air-biocathode microbial fuel cell-membrane bioreactor (MFC-MBR) for simultaneous wastewater treatment and ultrafiltration. This system uses an electrically conductive ultrafiltration membrane as a biocathode for electricity generation and passive oxygen transfer. Why it matters: This innovation offers a sustainable approach to water reclamation by reducing energy consumption and producing reusable water, which addresses critical water scarcity challenges in the region and globally.
KAUST Associate Professor Peiying Hong has developed a wastewater treatment method using anaerobic membrane bioreactor (AnMBR) technology, which converts organic carbon into methane. In partnership with MODON, a pilot program is operational in Jeddah, treating 23,000 liters of wastewater daily using UV light and hydrogen peroxide for disinfection. This system produces clean water suitable for agriculture and biomass for fertilizer, with a smaller footprint and lower energy consumption than traditional aerobic methods. Why it matters: The AnMBR technology aligns with Saudi Vision 2030's water reuse objectives, reducing reliance on energy-intensive desalination and offering a sustainable solution for water-stressed regions.
KAUST's Sciencetown Episode 25 features Professor Pascal Saikaly discussing novel wastewater treatment approaches at KAUST's Water Desalination and Reuse Center. The episode highlights innovative methods for producing clean water for non-potable uses like irrigation. A recently installed portable pilot plant is designed to provide sanitation for rural Saudi areas with reduced costs. Why it matters: This showcases KAUST's contribution to sustainable water solutions, crucial for water-scarce regions like Saudi Arabia.
KAUST's Water Desalination and Reuse Center (WDRC) held a research conference on wastewater treatment from March 27-29. The conference covered innovations in technologies and microbes to recover resources from wastewater. Keynote speakers included Bruce Rittmann, Bruce Logan, and Jurg Keller, with topics ranging from microbial fuel cells to microalgal biotechnology. Why it matters: The event highlights KAUST's focus on sustainable technologies for water management, addressing critical resource challenges in arid regions.
Edama Organic Solutions, a KAUST startup, has opened a new organic waste recycling facility in the KAUST Research and Technology Park. The facility is the first of its kind in Saudi Arabia to use technology for waste processing and desert agriculture solutions. It will recycle 100% of KAUST's food and green waste, producing about 4,500 m3 of soil improver. Why it matters: This supports Saudi Vision 2030 by addressing environmental pollution and promoting sustainable agriculture in arid regions, aligning with the Saudi Green Initiative.
KAUST researchers have developed an energy-efficient wastewater treatment process that generates high-quality effluent suitable for reuse. A pilot plant in Jeddah, operating since July 2022 in collaboration with MODON, treats 50,000 liters of wastewater daily off-grid, generating 1.5 kWh of electrical energy per 1,000 liters treated. The plant utilizes an anaerobic membrane bioreactor (AnMBR) coupled with UV disinfection, removing up to 99.9999% of microorganisms and producing less solid waste. Why it matters: This decentralized, energy-independent system offers a sustainable solution for water treatment in resource-scarce regions of the Middle East, aligning with Saudi Arabia's sustainability goals.