Water—Conventional and novel treatment methods

Ravindiran, Gokulan; Saravanan, P.; Jeyaraju, Raja Murugadoss; Jegan, J.

doi:10.1016/b978-0-323-90991-4.00003-7

Cited by 4 publications

(2 citation statements)

References 33 publications

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“…Hence, before releasing waste aqueous solution into the environment, these heavy metals from industrial influents must be removed. A critical issue is the removal of such hazardous metal ions from aqueous solutions [5]. A variety of methods have been used to remove heavy metal ions from aqueous solutions, including chemical precipitation, ion-exchange, adsorption, membrane filtration, electrochemical treatment methods, and so on [6].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and adsorption capacity of biochar derived from Tamarindus indica shell for the removal of heavy metal

2023

Global NEST: The International Journal

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<p>Tamarindus indica shell biochar is employed as an alternate adsorbent precursor for the removal of heavy metal ions from aqueous solutions. It investigated the Tamarindus indica shell biochar's capacity to absorb chromium (Cr), copper (Cu), and Lead (Pb). This study showed the extensive explored how biosorption experimental limitations counting primary metal attentiveness, adsorbent dosage, temperature, and contact time affect the process. The complete analysis of the Tamarindus indica shell's adsorption capability with respect to chromium, copper, and nickel removal was conducted using a batch adsorption procedure. Determining the amount of heavy metal removal in the aqueous solution proceeded by Gas Chromatography (GC). The experimental data analyzed using the Yoon Nelson and Thomson models to regulate the equilibrium isotherms. The optimal parameters for the overall adsorption model were determined by using ANOVA. Investigate the adsorbent's surface area to determine the presence of heavy metal presents using SEM, XRD, and FTIR techniques. Each researched heavy metal's adsorption capability is listed below: Cr = 6.07 mg/L, Cu = 5.53 mg/L and Pb = 5.497mg/L with a removal percentage of 64%, 92% and 78%, respectively. The results showed that biochar generated from Tamarindus indica shells is an effective adsorbent for removing copper from aqueous solutions but not a viable biosorbent for removing chromium. Also, the regenerated column's adsorption capability was examined. The outcomes of the research demonstrated that bio-char, which produced from Tamarindus indica shell can be employed as an efficient and reasonably priced adsorbent to remove heavy metal ions from aqueous solutions.</p>

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Section: Introductionmentioning

confidence: 99%

Synthesis and adsorption capacity of biochar derived from Tamarindus indica shell for the removal of heavy metal

2023

Global NEST: The International Journal

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“…Therefore, despite their huge demand in various industrial and house-hold applications, their room-temperature applications have remained elusive so far. 8 Very recently, a few other two dimensional materials like transition metal dichalcogenides (TMDCs) have taken a leading role in the field of nanoelectronics, 29,30 optoelectronics, 31 light sensitive, 32 and gas sensing applications. 20,33,34 This is due to their fascinating layer-dependent physical properties and band gap, which lies in the visible region.…”

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confidence: 99%

Phase-Dependent Dual Discrimination of MoSe₂/MoO₃ Composites Toward N,N-Dimethylformamide and Triethylamine at Room Temperature

Dogra,

Kushvaha,

Sharma

2023

ACS Sens.

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Herein, we present, a chemiresistive-type gas sensor composed of two-dimensional 1T−2H phase MoSe 2 and MoO 3 . Mixed phase MoSe 2 and MoSe 2 /MoO 3 composites were synthesized via a facile hydrothermal method. The structure analysis using X-ray diffraction, Raman spectroscopy, and X-ray photoelectron spectroscopy revealed the formation of different phases of MoSe 2 at different temperatures. With increase in synthesis temperature from 180 to 200 °C, the relative percentage of 1T and 2H-MoSe 2 phases changed from 80 to 48%. On the other hand, at 220 °C, 2H-MoSe 2 was obtained as a major component. The gas sensing properties of individual MoSe 2 and composites were investigated at room temperature toward various analytes. The obtained results revealed that composites possess improved sensing features as compared with individual MoSe 2 or MoO 3 . Data also revealed that the composite with dominating 1T-phase exhibits relatively higher response (10%, at 10 ppm) for dimethylformamide (DMF) compared to triethylamine (TEA) (3%, at 10 ppm). In contrast, the composite with larger 2H-phase exhibited affinity toward TEA and had a relative response of about 2%. Therefore, selectivity of a sensor device can be tuned by an appropriately designed MoSe 2 /MoO 3 composite. These results signify the importance of MoO 3 -based composites with dual-phase MoSe 2 for successfully discriminating between DMF and TEA at room-temperature.

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Conventional Wastewater Treatment Methods for the Removal of EPs

Wan Ismail,

Sabri,

Abu Samah

et al. 2023

Management and Mitigation of Emerging Pollutants

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Water—Conventional and novel treatment methods

Cited by 4 publications

References 33 publications

Synthesis and adsorption capacity of biochar derived from Tamarindus indica shell for the removal of heavy metal

Synthesis and adsorption capacity of biochar derived from Tamarindus indica shell for the removal of heavy metal

Phase-Dependent Dual Discrimination of MoSe₂/MoO₃ Composites Toward N,N-Dimethylformamide and Triethylamine at Room Temperature

Conventional Wastewater Treatment Methods for the Removal of EPs

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Water—Conventional and novel treatment methods

Cited by 4 publications

References 33 publications

Synthesis and adsorption capacity of biochar derived from Tamarindus indica shell for the removal of heavy metal

Synthesis and adsorption capacity of biochar derived from Tamarindus indica shell for the removal of heavy metal

Phase-Dependent Dual Discrimination of MoSe2/MoO3 Composites Toward N,N-Dimethylformamide and Triethylamine at Room Temperature

Conventional Wastewater Treatment Methods for the Removal of EPs

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Phase-Dependent Dual Discrimination of MoSe₂/MoO₃ Composites Toward N,N-Dimethylformamide and Triethylamine at Room Temperature