High Efficiency Low Consumption Rapid Desorption Concentrate

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Bimetallic Mn-Ce oxides modified α-Fe2O3 nanorods for low …

Developing highly active catalytic thermal desorption system is of great significance to soil remediation in a sustainable manner. Herein, Mn-Ce oxides modified α-Fe 2 O 3 nanorods were fabricated for catalytic thermal desorption of naphthalene. When N 2 was injected at 500 mL/min and heated at 180 °C for 5 min, the removal rate of naphthalene in soil …

New breakthrough in dye removal: Ultrafast removal of high

The efficiency of degrading high-concentration and the adsorption-photocatalytic degradation kinetic curves of different dosages of catalysts are shown in Fig. 3 a and b. The degradation efficiency of high-concentration under weak indoor light increases with the increase of PM6:TPIC-4Cl/BC catalyst dosage.

Highly efficient portable atmospheric water harvester with …

However, designing a device equipped with both the rapid and high yield water production properties is still a challenge ... thus improving both the energy utilization and desorption efficiency. For the heating temperature, a value of ∼135 °C was chosen considering the strong affinity between silica gel and water molecules, which ensured ...

Efficient ozone decomposition by amorphous Mn–Ni …

The rapid desorption of intermediate peroxides ... it is of great scientific significance and application value to develop a stable water-resistant Mn-based catalyst with high efficiency and low cost for ozone removal. ... The ratio of Mn 3+ and Mn 4+ concentration in Mn1Ni1 was estimated to be 2.21 according to their peak areas, ...

Solar induced low-temperature phase separation in …

Recently, there has been a growing interest and extensive research in the use of solar irradiation to regenerate amine solutions for CO 2 capture, as an alternative to traditional steam methods [43], [44], [45], [46].Nguyen et al. improved the CO 2 regeneration process in the solution by incorporating carbon black nanoparticles. They showed that the effectiveness of CO 2 …

Advanced characterization of polyphenol fixed-bed …

High precision, low reagent consumption realized with merging-zone design. ... the column effluent concentration undergoes the most significant and rapid changes near the time corresponding to the 50 % breakthrough in the breakthrough curve. ... indicating high desorption efficiency. Considering the desorption ability and the desorption ...

A novel ILs biphasic absorbent with low regeneration energy …

To achieve low regeneration energy consumption and low corrosion, a novel ILs nonaqueous biphasic absorbents composed of Tetraethylenepentamine (TEPA) Caprolactam …

LOW-COST AND HIGH-EFFICIENCY ABSORPTION-DESORPTION …

The invention relates to a low-cost and high-efficiency absorption-desorption decoupling method for contaminant-CO2 synergistic capture. According to the method, an optimization model of absorption-desorption decoupling control for contaminant-CO2 synergistic capture under different working conditions is built, the optimization objective is to obtain high-purity liquid …

High efficiency enrichment of organochlorine pesticides from …

OAMPC-700 was applied to pre-enrich ultra-trace HCH from water sample with a portable enrichment equipment, demonstrating fast speed, high efficiency, and low energy consumption. Corresponding standard curves were obtained between enrichment (C en ) and initial (C in ) concentrations of HCH with a correlation coefficient (R 2 =0.9901 ...

Study on absorption and regeneration performance of EHA …

As a primary amine, Monoethanolamine (MEA) is typically used in an aqueous solution in a concentration ranging from 15 wt% to 30 wt%. Although MEA absorbent is widely used [14, 15], its regeneration energy consumption is very high [16, 17].Reducing energy consumption can be achieved by developing new absorbents and improving process …

Low-temperature desorption in thermomorphic solvents for …

Human-induced CO 2 emissions are the primary factor driving the marked increase in atmospheric CO 2 levels, a key driver of global warming and climate change (Yamazaki et al., 2022, Zhao et al., 2023). Fossil fuel power plants are widely recognized as the primary contributors to CO 2 emissions (Ying et al., 2021, Yang et al., 2023a, Yang et al., 2023b). ). …

Rapid desorption of CO2 from deep eutectic …

Herein we developed a new family of polyamine-based deep eutectic solvents (DESs) dedicated to reduce energy consumption, avoiding the formation of hazardous molecules, aiming at low solvent losses and robust …

Ultra-efficient decontamination via functionalized reactive

Based on the above analysis, it would be reasonable to propose a perovskite-functionalized REM to enhance the activation efficiency of PMS, simultaneously promoting the removal of micropollutants with high efficiency and low energy consumption while maintaining the stability of REM and overcoming the application limitations of catalyst recovery ...

Energy consumption and current efficiency in high-concentration …

Download scientific diagram | Energy consumption and current efficiency in high-concentration urine. Left: With the BDD anode. Right: With the TDIROF anode. Full symbols: 20 mA cm −2, grey ...

Efficient desorption and reuse of collector from the flotation

Flotation is the most common method to obtain concentrate through the selective adsorption of collectors on target minerals to make them hydrophobic and floatable. In the hydrometallurgy of concentrate, collectors adsorbed on concentrate can damage ion-exchange resin and increase the chemical oxygen demand (COD) value of wastewater. In this work, we …

Research on Activation Mechanisms In Situ during Rapid …

The carbon consumption was 0.13%, 0.24%, 0.17%, 0.16%, ... In the process of rapid desorption at high temperatures, Hg 0 that was physically adsorbed moved violently, ... HCl …

High Fe utilization efficiency and low toxicity of Fe3C@Fe0 …

Zero valent iron (Fe 0) has been used to remove organic contaminants.However, its low utilization efficiency and high toxicity have hindered its application. In this study, Fe 3 C@Fe 0-loaded biochar (Fe 3 C@Fe 0 @BC) with 40.1% Fe content and slight Fe release presented excellent removal efficiency, stability, and reusability for tetracycline hydrochloride …

An environmentally friendly deep eutectic solvent for CO2 …

This practical study demonstrates high desorption efficiency at a temperature considerably lower than other studies.

Rapid photocatalytic reduction of Cr(VI) with high concentration …

Nevertheless, these conventional measures exist energy consumption, high cost, low efficiency, incomplete removal and other shortcomings, which influenced their widespread application. By contrast, the photocatalytic reduction of Cr(VI) to Cr(III) by semiconductor photocatalysts has the advantages of high efficiency, low cost, direct use of ...

Highly selective capacitive adsorption and rapid desorption …

The desorption experiment showed that 98.7% of the adsorbed substances can be removed within 1 h and 97% of the capacity can be retained after fifty cycles of adsorption/desorption. Due to the high electro-adsorption efficiency and low energy consumption, this technology has the potential for practical application with renewable …

Novel tri-solvent amines absorption for flue gas CO2 …

The predominant reaction products, bicarbonate and unstable carbamate (PZ(COO −) 2, PDCOO −), contribute to the high regeneration efficiency and minimal energy consumption during regeneration for DEEA + PZ + PD. Consequently, this facilely prepared tri-solvent amine system, characterized by high capture efficiency and low energy …

Amine-incorporated adsorbents with reversible sites and high …

1. Introduction. The rapid increase of atmospheric CO 2 concentration is a threat to the ecosystem on Earth [1], [2].To reduce CO 2 emissions, it is essential to achieve carbon capture in exhaust gases caused by the consumption of fossil fuels [3].In the past decades, aqueous solutions of amines have been applied as adsorbents for CO 2 capture in industrial …

Absorption characteristics and rheological properties of …

This study explores the synthesis and characterization of deep eutectic solvents (DES) for efficient CO 2 capture, focusing on the hydrogen bonding strength between hydrogen bond acceptors (HBA) and donors (HBD). Tetraethylenepentamine (TEPA) was quaternized with hydrochloric acid (HCl) to produce HBAs, which were then combined with various HBDs, …

Adsorption and enrichment of low-concentration heavy …

Alternatively, the adsorption techniques have been well-established to remove the low-concentration heavy metal complexes from wastewater [27], [28], [29].Adsorbents such as activated carbon and clay minerals are popular choices due to their high specific surface area and cost-effectiveness, but their application is limited by the fact that their negative surface …

Waste heat-driven water generator with optimized multi …

For the SAWH system, the sluggish and unsteady systemic kinetics due to the mismatch between sorption and desorption rates are strenuous, as they impair final water productivity and magnify heat loss to decrease energy utilization efficiency [[16], [17], [18]].In this regard, a low-graded waste heat-driven atmospheric water generator driven by (LWG) is developed with an …

Low-Temperature Desorption of CO2 from Carbamic Acid for …

The high temperature requirement for the desorption of absorbed CO 2 is one of the issues for the widespread use of direct air capture (DAC), which is a promising technology …

High-efficiency CO 2 separation using hybrid LDH-polymer …

We believe this highly-efficient CO 2 separation performance is based on the synergy of enhanced solubility, diffusivity and chemical affinity for CO 2 in the sub-nanometre …

20230285891 LOW-COST AND HIGH-EFFICIENCY ABSORPTION-DESORPTION …

According to the invention, the absorption process is decoupled from the desorption process, and the coordinated control of temperature-pH-liquid-gas ratio and rich liquid flow-desorption temperature in all cycles is carried out to realize the synergistic capture-regeneration-concentration of contaminants and CO 2 with high efficiency and low ...

Low energy consumption and high quality bio-fuels production …

Recently, the use of electromagnetic induction heating technology in biomass pyrolysis has received more and more attention, due to its non-contact heating, rapid heating rates, high energy efficiency and precise temperature control [27, 28]. The reactor or load, typically steel (the material with a magnetic permeability of >0) can be heated up ...

Molecularly imprinted catalytic membrane reactor for …

The refractory pollutants, such as sulfanilamide antibiotics (SAs), are widely distributed in environment [1].As one of the most common SAs, sulfamethoxazole (SMX) in the environment usually exist at a concentration range from ng/L to mg L −1 [2], [3].To prevent the accumulating in the organism and causing lasting damage to the organism's immune system, …

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