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Enhanced operating voltage and desalination performance using ionic liquids as electrolyte for flow electrode capacitive deionisation – China

The results showed that the brine flow rate was the most significant factor affecting the desalination efficiency of the aqueous and ionic liquid FCDI systems (p < 0.0001). The optimal process conditions for the ionic liquid system fitted by the model were as follows: 6.6 wt% activated carbon content in the electrode slurry, a brine flow rate of 45 mL/min, an initial brine concentration of 1 g/L, and an electrolyte ratio of N, N-Dimethylformamide/1-ethyl-3-methylimidazolium tetrafluoroborate = 3.

The desalination effect of FCDI under the above optimal process conditions was up to 99.739 % at a voltage of 3.5 V, and the water-desalting efficiency […]

Enhanced operating voltage and desalination performance using ionic liquids as electrolyte for flow electrode capacitive deionisation – China2024-12-08T12:53:23+01:00

Impact of carrot extract and pomegranate juice on the structure, magnetic properties and Cr3+ ions removal efficiency of eco-friendly CoFe2O4 nanoparticles prepared via self-ignition technique – Egypt

The nanoparticles exhibited high specific surface areas of 498.49 and 538.17 m2/g for the Co-C and Co-P samples, respectively, contributing to an impressive adsorption capacity, with Co-P achieving 100 % Cr3+ removal within 30 min while Co-C achieved 99.6 % Cr3+ removal within 40 min.

These findings suggest that the green-synthesized cobalt ferrite nanoparticles, with their high surface area and mesoporosity, hold significant potential as effective agents for environmental remediation.

ANOVA analysis further underscored the significant influence of adsorbent dosage and contact time on removal efficiency, aligning well with the freindly isotherm model.

Impact of carrot extract and pomegranate juice on the structure, magnetic properties and Cr3+ ions removal efficiency of eco-friendly CoFe2O4 nanoparticles prepared via self-ignition technique – Egypt2024-12-06T17:00:54+01:00

Preparation of hydrophilic Cr-doped LiTi2(PO4)3 ion sieves with expanded cell structure for enhanced lithium extraction – China

Phosphate-based HTi2(PO4)3 was a novel lithium ion with a NASICON network structure. In this work, Cr doped was used to improve the adsorption performance by expanding the Li+ transport channel and increasing the hydrophilicity of the adsorbent. The crystal structure of Cr-LTPO-0.5 was characterized by XRD, XPS, Contact angle and FT-IR analysis, and the morphology of Cr-LTPO-0.5 was analyzed by SEM and HR-TEM.

Cr-HTPO-0.5 was obtained after acid washing of Cr-LTPO-0.5. The adsorption of Li+ on Cr-HTPO-0.5 was consistent with the Langmuir isothermal model and pseudo-2nd-order kinetic model, in which the adsorption was endothermic […]

Preparation of hydrophilic Cr-doped LiTi2(PO4)3 ion sieves with expanded cell structure for enhanced lithium extraction – China2024-12-06T16:57:43+01:00

Multi-level eco-friendly heat recovery process integrated into a gas turbine cycle of an innovative CCHP-desalination system: Assessment and optimization of the thermo-economic-environmental aspects – KSA

The planned setup encompasses an ammonia Rankine cycle, an organic Rankine cycle, an absorption chiller, a desalination unit, and a proton exchange membrane electrolyzer, resulting in reduced irreversibility and emissions.

The system’s capability is examined concerning exergy, energy, environmental, and economic aspects using Aspen HYSYS software. Furthermore, a comparative study is conducted between different optimization scenarios. According to the attained outcomes, maximizing vapor production requires a reduction in seawater flow.

Additionally, increasing the seawater flow rate is ineffective in the proposed process, as vapor from the desalination unit drives heat […]

Multi-level eco-friendly heat recovery process integrated into a gas turbine cycle of an innovative CCHP-desalination system: Assessment and optimization of the thermo-economic-environmental aspects – KSA2024-12-06T16:56:19+01:00

From comparison to integration: Enhancing forward osmosis performance prediction with mathematical and RBF neural network models – Republic of Korea

he mathematical model provided consistent predictions and insights into internal module dynamics, while the RBFNN exhibited high computational efficiency. However, the RBFNN showed limitations in predicting recovery accuracy for operational ranges with insufficient data. To address this, we introduced a data distance index to assess the reliability of RBFNN predictions, particularly in extrapolation scenarios.

We then integrated the approaches using the mathematical model for data imputation to expand the RBFNN’s training dataset. The integrated model, retrained with augmented data, achieved an R2 of 0.9920 and an RMSE of 0.3414 LMH for water flux prediction. […]

From comparison to integration: Enhancing forward osmosis performance prediction with mathematical and RBF neural network models – Republic of Korea2024-12-05T17:22:37+01:00

Thermo- and light responsive microgels for efficient brackish and seawater forward osmosis desalination – Germany

Forward osmosis desalination presents a promising solution to address water shortages in areas near brackish or seawater sources. This study investigates the use of thermo-responsive poly(N-isopropyl acrylamide-rand‑sodium acrylate) microgels as innovative draw agents for forward osmosis desalination.

The drawing ability and responsiveness of these microgels are significantly influenced by the charged comonomer content. Unlike bulk hydrogels, these microgels, owing to their core-shell morphology, maintain thermo-responsivity even at higher comonomer content. Incorporating graphene oxide as a light absorber allows for partial heating, required to reach the transition temperature, to be obtained using UV light radiation. […]

Thermo- and light responsive microgels for efficient brackish and seawater forward osmosis desalination – Germany2024-12-05T17:20:53+01:00

The application of pressure-driven ceramic-based membrane for the treatment of saline wastewater and desalination–A review – China

Ceramic membranes are specifically defined as separation membranes made from metal oxides like ZrO2, TiO2, Al2O3, and SiO2, as well as materials such as SiC and C3N4. The main configurations of ceramic membranes are flat-sheet, single-tube, and multi-channel designs. Among these, tubular and multi-channel ceramic membranes, which offer higher surface area, mechanical strength, and efficiency, are steadily expanding their industrial applications.

(Source)

The application of pressure-driven ceramic-based membrane for the treatment of saline wastewater and desalination–A review – China2024-12-05T17:16:29+01:00

Desalination plant linked to dried wells – Philippines

WELLS in nearby villages have dried up allegedly due to the operation of a desalination plant that converts brackish water into potable water in Barangay Mambaling, Cebu City.

Ed Karlon Rama, Cebu City Bantay Dagat Commission executive director, said on Thursday, Nov. 28, 2024, that residents of Barangays Mambaling and Basak Pardo, through their respective barangay councils, reported to the Coastline Management Board (CMB) about cases of existing wells drying up.

During the executive session on Wednesday, Nov. 27, there was also a mention of water wells drying up in Barangay San […]

Desalination plant linked to dried wells – Philippines2024-12-04T16:37:42+01:00

Jordan turns to desalination to tackle water scarcity – Jordan

Regional instability is affecting Jordan’s ability to access much needed external water sources, forcing the kingdom to turn to desalination projects, the Minister of Water and Irrigation Muhammad Al-Najjar said yesterday.

He emphasised the need for collaborative efforts to devise solutions, implement joint Arab water initiatives, raise awareness about the importance of water conservation and promote effective governance.

As one of the world’s most water-scarce countries, Jordan is expediting a national project to desalinate water from the Red Sea to meet its growing water needs, improve irrigation efficiency, and enhance water awareness […]

Jordan turns to desalination to tackle water scarcity – Jordan2024-12-04T16:36:05+01:00

Samsung C&T bags US$2.8bn Qatar power and desalination plant project – South Korea

The contractor said it had received a letter of award for the Qatar Facility E Independent Water and Power Production Project last month.

The project involves the construction of the a 2,415MW power plant, combined with a 110 MGID (millions of gallons of water per day) desalination plant and is worth US$2.84 billion.

Samsung C&T was awarded the project after a consortium of Japanese and Korean power companies jointly won the rights to develop the facility for Qatar General Electricity and Water Corporation (Kahramaa).

Japan’s

Samsung C&T bags US$2.8bn Qatar power and desalination plant project – South Korea2024-12-04T16:34:10+01:00
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