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Ultime pubblicazioni e brevetti sulla desalinizzazione

Pubblicazioni sulla desalinizzazione Brevetti

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Desalinizzazione
La tecnologia di desalinizzazione trasforma l'acqua di mare in acqua dolce per far fronte alla scarsità idrica globale.

La desalinizzazione è la disciplina industriale e ingegneristica che si occupa di rimuovere i sali e i minerali disciolti dall'acqua di mare o dalle acque sotterranee salmastre per produrre acqua dolce potabile o adatta all'irrigazione, e che attualmente rifornisce oltre 100 milioni di persone nelle regioni a rischio idrico del Medio Oriente, del Nord Africa, delle zone costiere dell'Asia e, in misura crescente, dell'Europa meridionale e delle Americhe.

Reverse osmosis (RO) dominates current installed capacity, pushing saline feedwater at high pressure across thin-film composite polyamide membranes whose selectivity, fouling resistance, and boron rejection rates remain active material science research fronts; thermal processes — multi-stage flash distillation and multi-effect distillation — retain relevance where waste heat from power generation is available as a cost-free energy input. The field’s central engineering constraint is specific energy consumption: state-of-the-art RO plants with pressure exchanger-based energy recovery now approach the termodinamico minimo per la desalinizzazione dell'acqua di mare, spostando la differenziazione competitiva verso la longevità della membrana, la progettazione della presa e la gestione del concentrato di salamoia, dove la tossicità dello scarico e l'ambiente marino ecosistema L'impatto di tali misure comporta un controllo normativo sempre più stringente.

Emerging process architectures — forward osmosi, membrane distillation, capacitive deionization, and graphene oxide or aquaporin-based membranes — target niche feedwater chemistries or off-grid renewable-powered configurations where conventional RO economics break down.

Le pubblicazioni e i brevetti elencati di seguito coprono l'intero spettro di questo argomento, dalla sintesi delle membrane e dall'ingegneria dei moduli fino alla termodinamica dei sistemi, alla valorizzazione della salamoia, all'integrazione con le energie rinnovabili e alle valutazioni idrogeologiche del sito che determinano la vitalità dell'impianto:

Questa è la nostra ultima selezione di pubblicazioni e brevetti mondiali in inglese sulla desalinizzazione, provenienti da numerose riviste scientifiche online, classificate e focalizzate su osmosi inversa, desalinizzazione, desalinizzazione dell'acqua di mare, desalinizzazione dell'acqua salmastra, intasamento delle membrane RO, membrane composite a film sottile, dispositivi di recupero energetico RO, desalinizzazione con scambiatore di pressione, distillazione flash multistadio, distillazione multieffetto, desalinizzazione mediante elettrodialisi, osmosi diretta, distillazione a membrana, deionizzazione capacitiva, smaltimento della salamoia di desalinizzazione, gestione del concentrato di salamoia, RO ad energia solare, desalinizzazione ad energia eolica, desalinizzazione nucleare, consumo energetico della desalinizzazione, consumo energetico specifico RO, membrana RO con rigetto del boro e tasso di recupero del permeato RO.

Electrodialysis system including ion exchange resin and salt separation method using same

Patent published on the 2026-10-07 in EP under Ref EP4817724 by SK INNOVATION CO LTD [KR] (Lee Tea Young [kr], Moon Yong Geal [kr])

Abstract: [0001] An electrodialysis system is proposed. The electrodialysis system includes an anode and a cathode, a plurality of alternating cation exchange membranes and anion exchange membranes disposed between the anode and the cathode, the alternating cation exchange membranes and anion exchange membranes forming a desalination chamber, a concentration chamber, and an electrode chamber within the system, and a mixed ion exchange resin disposed between the electrode chamber and the adjacent concentra[...]


Our summary: The electrodialysis system includes an anode, cathode, and alternating cation and anion exchange membranes. A mixed ion exchange resin is positioned between the electrode chamber and adjacent concentration chambers. This configuration facilitates efficient salt separation and desalination processes.

Electrodialysis, Ion Exchange Resin, Desalination, Salt Separation

Patent

System and method embodiments for treating produced water using supercritical water desalination coupled with supercritical water oxidation

Patent published on the 2026-10-06 in US under Ref US12753101 by TRIAD NAT SECURITY LLC [US] (Sharan Prashant [us], Findikoglu Alp Tugrul [us], Currier Robert Patrick [us], Singh Rajinder [us])

Abstract: Disclosed herein are embodiments of a system that combines supercritical water desalination with supercritical water oxidation in an integrated system. Also disclosed are method embodiments for utilizing the system and for producing purified water using the combination of supercritical water desalination with supercritical water oxidation. In particular embodiments, the method results in zero liquid discharge and the system can be used to generate purified water in combination with electricity.[...]


Our summary: The system integrates supercritical water desalination with supercritical water oxidation. Method embodiments produce purified water while achieving zero liquid discharge. The system can also generate purified water alongside electricity.

supercritical water, desalination, oxidation, zero liquid discharge

Patent

Method for dehydrating raw-material liquid stream and system for dehydrating raw-material liquid stream

Patent published on the 2026-09-10 in WO under Ref WO2026186895 by ASAHI CHEMICAL IND [JP] (Osaki Takahiro [jp], Katayama Yuji [jp], Baba Takahiro [jp], Kawai Yoshiki [jp])

Abstract: A method for dehydrating a raw-material liquid stream is provided, the method comprising causing a raw-material liquid stream including water and an organic solvent and an induction liquid stream to flow countercurrently or cocurrently with a forward osmosis membrane interposed therebetween and moving the water contained in the raw-material liquid stream to the induction liquid stream through the forward osmosis membrane, thereby obtaining both a dehydrated raw-material liquid stream, which is t[...]


Our summary: A method for dehydrating a raw-material liquid stream using forward osmosis is described. The process involves countercurrent or cocurrent flow of the liquid streams through a semipermeable membrane. This results in a dehydrated raw-material liquid stream and a hydrated induction liquid stream.

dehydration, forward osmosis, membrane technology, liquid stream

Patent

Intelligent plant for clean thermal desalination of seawater and brackish water for the generation of drinking water

Patent published on the 2026-08-31 in MA under Ref MA70848 by HARMONY TECH [MA] (El Bhiri Brahim [ma], Guissi Khalid [ma], El Fellah Youness [ma], Baadi Mohamed [ma], Bouzoui Mohammed [ma])

Abstract: The present invention contributes to the field of seawater and brackish groundwater desalination through the development of a smart, innovative, and sustainable solution enabling improved technology for drinking water production. This technology relates to a clean thermal desalination process using phase change. The system is designed to extract and desalinate a significant flow of seawater and brackish groundwater in an eco-efficient manner. It combines efficient desalination technologies with [...]


Our summary: This invention presents an intelligent system for clean thermal desalination of seawater and brackish water. It utilizes renewable energy and advanced AI algorithms for real-time monitoring and optimization. The modular design ensures sustainability and minimal environmental impact while improving access to drinking water.

Desalination, Renewable Energy, Artificial Intelligence, Eco-efficiency

Patent

Process for producing green hydrogen and by-products from domestic effluent using bio-catalysis

Patent published on the 2026-08-26 in GB under Ref GB2704134 by NATHAN JAMES RELTON [GB] (Nathan James Relton [gb])

Abstract: The invention provides a reactor unit that utilises a biocatalytic membrane to remove and break down urea content in waste effluent that that flows into the reactor unit. The biocatalytic membrane is a reverse osmosis membrane with a graphene oxide layer thereon. Fixed onto the graphene oxide layer are enzymes used to catalyse the breakdown of urea into various chemical products. The enzymes are modified urease enzymes that break down the urea content in wastewater, releasing nitrogen, oxygen an[...]


Our summary: The process produces green hydrogen and by-products from domestic effluent using a biocatalytic membrane. Urea in wastewater is broken down by modified urease enzymes, releasing nitrogen, oxygen, and hydrogen. The remaining carbon particulates form sludge, which is processed for carbon black recovery.

green hydrogen, biocatalysis, wastewater treatment, graphene oxide

Patent

Pure water production apparatus

Patent published on the 2026-08-20 in WO under Ref WO2026172700 by ORGANO CORP [JP] (Shibasaki Kenji [jp], Sasaki Keisuke [jp])

Abstract: This pure water production apparatus is characterized by comprising: a deionized water production device 1 having a desalination chamber 1a and a concentration chamber 1b; and a booster pump 8 connected to an outlet of the concentration chamber 1b.[...]


Our summary: The apparatus produces pure water using a deionized water production device with desalination and concentration chambers. A booster pump is connected to the outlet of the concentration chamber. This setup enhances water purification efficiency.

deionization, desalination, booster pump, water purification

Patent

Carbon dioxide emissions elimination for reverse osmosis desalination units of remote islands via photovoltaic and battery solution. The case of Karpathos Island

Published on 2026-06-06 by @OXFORD

Abstract: AbstractRecently, the imperative water demand problem of small islands in the South-East Mediterranean area is being faced with the development and operation of new reverse osmosis (RO) desalination plants at high operational and environmental cost. One of the most serious RO desalination unit’s problems is their high-energy demand. This water demand coincides with the electricity demand, both peaked during the summer imposing the existing local electrical power stations to operate near their [...]


Our summary: This study explores the integration of photovoltaic systems and battery storage to power reverse osmosis desalination units on Karpathos Island. It addresses high energy demands and carbon emissions associated with traditional diesel power. The proposed solution aims to enhance clean energy autonomy while minimizing operational costs and environmental impact.

photovoltaic, desalination, carbon emissions, battery storage

Publication

PSS composite sponge for solar-driven water purification and dye removal for environmental sustainability

Published on 2026-05-21 by Chung-Wei Huang, Wei-Cheng Jhao, Yu-Jen Liang, Meng-Fang Lin, Yu-Sheng Hsiao @NATURE

Abstract: Polymer Journal, Published online: 21 May 2026; doi:10.1038/s41428-026-01188-zA 3D macroporous MWCNT/PEDOT: PSS composite sponge, fabricated via freeze-drying, enables efficient solar-driven interfacial water evaporation (SIWE) through optimized light absorption, wettability, and water transport. The engineered porous architecture enhances solar–thermal management while facilitating rapid water uptake. Simultaneously, the sponge exhibits high adsorption capacities for organic dyes and strong a[...]


Our summary: A 3D macroporous MWCNT/PEDOT: PSS composite sponge enables efficient solar-driven interfacial water evaporation. It enhances solar–thermal management and facilitates rapid water uptake. The sponge also demonstrates high dye adsorption capacities and strong antifouling properties for sustainable water purification.

PSS, composite sponge, solar-driven purification, environmental sustainability

Publication

Argomenti trattati: Desalinizzazione, osmosi inversa, processi termici, distillazione flash multistadio, distillazione multieffetto, consumo specifico di energia, longevità delle membrane, gestione della salamoia, osmosi inversa, distillazione a membrana, deionizzazione capacitiva, membrane all'ossido di grafene, membrane a base di acquaporina, acqua potabile, impatto sull'ecosistema marino, controllo normativo, valutazioni idrogeologiche, recupero energetico ISO 14046, ISO 24521, ASTM D1141, ISO 9001 e ISO 14001.

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