solar water evaporation solutions

Highly efficient three‐dimensional solar evaporator for zero liquid …

Solar-driven interfacial evaporation is a promising technology for freshwater production from seawater, but salt accumulation on the evaporator surface hinders its performance and sustainability. In this study, we report a simple and green strategy to fabricate a three-dimensional porous graphene spiral roll (3GSR) that enables …

Solution Plasma-Synthesized Black TiO2 Nanoparticles for Solar–Thermal Water Evaporation

Black TiO2 nanoparticles (b-TiO2) with superior solar–thermal water evaporation performance are prepared using a one-step solution plasma process (SPP) in ambient conditions. It is found that radic...

Best practices for solar water production technologies

Liming Zhang. Nano Research (2023) We need consensus to accurately evaluate the performance and potential of emerging water production technologies, such as solar evaporation and atmospheric water ...

Enhanced solar evaporation using a photo-thermal …

Efficient utilization of solar energy for evaporation is limited by the transparency of water at visible and near-infrared wavelengths, owing to its low absorption coefficient of 0.01 m −1 ...

Biomass-derived three-dimensional robust solar evaporator for

The solar water evaporation experiments were conducted with the designed BLC/MF evaporation system using the xenon lamp (CEL-PF300-T6 with AM 1.5G, ceAulight) to simulate solar illumination (Fig. S1, ... Ion concentrations of heavy metal solutions before and after solar evaporation. (g) ...

Going beyond efficiency for solar evaporation | Nature Water

Natural solar-driven evaporation, the critical step of water cycles, has an intrinsic low efficiency (<20%) because only a small portion of sunlight can be absorbed …

Flexible hierarchical polypyrrole-coated Cu-BTC MOFs …

Solar-driven water evaporation technologies have recently been prepared for the seawater desalination and wastewater treatment to produce high ... and deionized water for 20 min, respectively. Then, the pretreated Cu-coated textile was soaked into a solution mixing deionized water (100 mL), NaOH (1.0 M), and ...

Solar Water Evaporation Toward Water Purification and Beyond

With the pressing global energy and environmental issues, solar water evaporation (SWE), which generates vapor using solar energy, emerges as a promising …

Synchronizing Efficient Purification of VOCs in Durable Solar Water Evaporation …

Solar-driven clean water production is challenged by VOCs (volatile organic compounds), which pose health risks in distilled water. Herein, we developed a Cu/W18O49@Graphene photothermal-photocatalytic material addressing VOCs contamination. Plasmonic coupling between Cu and W18O49 enhances light absorption, and 1–2 layers of graphene …

A novel suspended suspension bridge-like evaporator with …

A suspended suspension bridge-like evaporator designed to achieve salt-free and antibacterial evaporation • Gravitational, siphon, and capillary effect to ensure sufficient water supply with proper dripping water rate • A stable evaporation rate without salt crystallization via six 8 h-cycles in 20 wt% salt solution

Self-assembly carbon dots for powerful solar water evaporation

Abstract. Solar-driven water vaporization is considered one of the most sustainable technologies to solve water scarcity. However, the advanced design solar absorber system is still required for highly efficient steam generation. Here we develop a novel system for water evaporation through assembly of carbon dots within …

Highly porous hydrogels for efficient solar water evaporation

This can be attributed to several desirable properties of the sample that contribute positively to the photo-thermal evaporation process. 69–71 Firstly, the hydrophilic and highly porous 3-D network structure facilitates continuous replenishment of water from the bulk to the upper hydrogel surface, thereby promoting efficient solar evaporation.

A Self-Adaptive and Regenerable Hydrogel Interfacial Evaporator …

Solar-driven interfacial evaporation is a potential water purification solution. Here, a novel regenerable hydrogel interfacial evaporator is designed with tunable water production. Such an evaporator is fabricated by readily mixing hydroxypropyl chitosan (HPCS) and dibenzaldehyde-functional poly(et …

Biomass-based solar evaporation: Sustainable solutions for …

Herein, an efficient biobased solar evaporation is developed using konjac-derived aerogel as water transport material and bamboo-derived carbon black as photothermal material.

Solar-driven evaporators for water treatment: challenges and opportunities ...

Incident solar energy is absorbed by the photothermal layer and ultimately split into five energy output pathways: reflective solar radiation, water evaporation, radiative heat loss, convective and conduction heat loss to ambient air, and heat conduction loss to the bulk water. 18 Owing to the relatively high thermal conductivity of water, heat conduction loss …

Solar interfacial evaporation for efficient treatment of sewage …

Yu et al. [47] treated the solutions containing multiple heavy metal ions using the adsorption-evaporation method simultaneously with the solar evaporation material HHEs. The results show that the adsorption effect of HHEs could directly reduce the concentration of heavy metal ions by 4–7 orders of magnitude, while the evaporation …

Condensation device design represents a critical step for solar-driven water ...

Zhao et al. provide an overview of different water collection schemes for solar-driven water evaporation (SDWE). Factors affecting water harvesting in SDWE are analyzed in terms of evaporation and condensation, aiming to provide a relatively complete summary of scenarios for SDWE, to spark researchers'' interest, and provide insight into …

Solar-driven evaporators for water treatment: challenges and …

Solar-driven evaporation is an emerging process to acquire freshwater from saline water or wastewater, in which photothermal materials play a crucial role. Significant …

Ionic Power Generation on a Scalable Cellulose@polypyrrole Membrane: The Role of Water ...

Abstract. The integration of ionic power generation with solar-driven water evaporation presents a promising solution to the critical global problems of freshwater scarcity and clean energy deficiency. In this work, a scalable normal temperature chemical vapor deposition (CVD) method is applied for the first time to the fabrication of a …

Recent advances in solar-driven interfacial evaporation coupling …

Nowadays, the increasing scarcity of fresh water and energy poses a growing threat to sustainable human development, attracting global attention. Solar-driven interfacial evaporation (SDIE) technology has emerged as significant solution to address these challenges by harnessing solar energy for fresh water generation.

A fiber-based sandwich evaporator for effective solar evaporation …

Evaporation rate and solar intensity at different times of the day in pure water and 3.0 wt% salt solution (l). To effectively absorb and localize the solar energy on the surface of evaporators, the light-absorbing layer was decorated using CB nanoparticles, and the amount of CB nanoparticles attached to the layer influences the photothermal …

Materials for solar-powered water evaporation

We have discussed the different methods developed to fabricate materials for enhancing solar adsorption, regulating water …

Recent progress in solar-driven interfacial water evaporation: …

Generally, in a solar-driven evaporation system, solar energy is received and absorbed by a solar absorber (photothermal materials), and then converted into thermal energy, which is used to heat up liquid water to generate vapor [14], [20] the context of the location of the photothermal material is being placed in the working fluid, solar steam …

Solar-driven interfacial water evaporation for wastewater …

Solar-driven interfacial water evaporation has received considerable attention as a potential solution for wastewater treatment applications. Despite previous studies confirming significant performance improvements through rational solar evaporator design, challenges remain in achieving comprehensive condensed water purification and …

Realizing efficient solar evaporation and rapid lithium sorption by …

Solar-powered water treatment technology is gaining increasing importance as one solution to ameliorate water resource deficits. This study presents a novel approach of synergistically combining interface solar vaporization technology with low-cost sorption techniques to better enable resource recovery in the water treatment process.

Critical aspects to enable viable solar-driven evaporative …

Metrics. Recent studies in passive solar-driven evaporative technologies have introduced a plethora of new materials and devices which promise higher economic …

Salt-resistance holocellulose-based solar steam evaporator for desalination brine water

During the solar-driven desalination test (6 h per day for 10 days), the water evaporation rate of the PPy-HC system remained quite stable at 1.45 kg m −2 h −1 in a 5 wt% NaCl solution under 1 sun irradiation, superior to most previously reported salt-resistant evaporators (Table S2).

Optimizing solar evaporation efficiency: integrating controllable …

Solar desalination presents a promising solution for providing high-purity fresh water in regions lacking sophisticated energy infrastructure. Specifically, the efficiency of solar …

Recent Advances in High-Rate Solar-Driven Interfacial …

This study presents a comprehensive review of various evaporator designs that have achieved pure evaporation rates beyond 4 kg m −2 h −1, including structural and …

KOH Activated Carbon Coated 3D Wood Solar Evaporator with Highest Water …

Moreover, at a given water transport height of 32 cm, the water evaporation rate of a KAC-coated wood evaporator with 1 kW m −2 solar radiation exhibits an obvious rise when the thicknesses of the KAC layer increases from 0 to 0.22 mm (Figure S7, Supporting Information), which could be attributed to the gradual establishment of the water transport …

Three-dimensional freeze-casting solar evaporator for highly efficient water ...

After solar water evaporation, the collected condensate was analyzed. UV–visible spectrophotometry was used to analyze RhB solution, MO solution, and the recovered condensate, as shown in Fig. 6 g and h. The RhB solution had a strong absorption peak around 554 nm, while the MO solution had a strong absorption peak near 465 nm.

Galactomannan/graphene oxide/Fe3O4 hydrogel evaporator for solar water evaporation …

Preparation of galactomannan hydrogel evaporator. • The hydrogel evaporator has a high evaporation rate of 2.3 kg m −2 h −1 under one solar irradiation.. The water evaporation synergistic photothermal power generation complex produced a power density of 0.49 W m −2 at 1 sun.. Demonstrates efficient synergistic water …

Solar–Thermal Water Evaporation: A Review | ACS Energy …

Solar–thermal water evaporation (SWE) has received much interest in recent years due to a few seminal works on materials innovation and thermal …

Preparation of solid-solid phase change composites and their solar-interfacial water ...

In the dark, the evaporation rate is 1.05 kg m −2 h −1, and the solar-thermal conversion efficiency is 49.5%. 15 light-dark cycle experiments and harsh environments (high concentration brine, acidic solution, alkaline solution, dye wastewater) showed high efficiency and stable evaporation performance.

3D-Printed Absorbers for Solar-Driven Interfacial Water Evaporation…

Solar-driven water evaporation rate of 2.63 kg m−2 h−1, with energy efficiency of >96% under one sun illumination and under high salinity (25 wt% NaCl), and water collecting rate of 1.72 kg m ...

Flexible wood-based composite for solar water evaporation and …

Solar water evaporation shows great promise in the utilization of sunlight resources. ... After the reaction, the mixed solution was centrifugally washed with water multiple times under conditions of a rotation speed of 5000 r/min …

Highly efficient solar water evaporation by wood through one-step …

Solar evaporation provides an effective solution to solve the scarcity of freshwater resources. Biomass-based solar evaporators have attracted significant interest, because of their environmental safety. However, due to the high latent heat of evaporation for water, most biomass-based solar evaporators exhibit low water vapor generation rates.

A high-efficiency solar water evaporation-photocatalysis system …

Recent developments in integrating photocatalysis into solar-driven interfacial water evaporation have attracted much attention. Herein, β-In 2 S 3 nanosheets decorated 2H phase MoS 2 nanosheet arrays (MSIS) were proposed for synchronous solar-driven water evaporation and photodegradation of organic pollutants. The modification …

Review of the progress of solar-driven interfacial water evaporation …

The research on solar energy and water evaporation has a long history. 1,2 From traditional solar basins to the modern concept of interfacial evaporation, it has received a surge of attention and interest among researchers, funding organizations, and policymakers. 3–7 Solar-driven interfacial water evaporation (SIWE) – a contemporary approach, is …

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