A customized 3D bio-macroporous cryogels for efficient and selective gold extraction

Haleem, Abdul; Pan, Yang; Wu, Fan; Ullah, Mohib; Chen, Shengqi; Li, Hao; Pan, Jianming

doi:10.1016/j.seppur.2024.127305

Cited by 5 publications

(2 citation statements)

References 58 publications

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“…Various conventional methods are employed to remove organic pollutants from wastewater, including coagulation, adsorption [58], physicochemical treatment [59], chemical precipitation [60], chemical degradation [61], ion exchange [62], biological treatment [63], and electrochemical treatment [64]. Water treatment technologies such as adsorption and coagulation are already accessible, and while they alter the phase of contaminants, they persist in the environment in a less favorable form [65].…”

Section: Different Methods For Wastewater Treatmentmentioning

confidence: 99%

Harnessing the power of MXenes: a comprehensive exploration of their photocatalytic potential in mitigating hazardous dyes and CO2 reduction

Gulzar,

Haleem,

Rehman

et al. 2024

Discov Mater

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This comprehensive review extensively explores the potential applications of MXenes as versatile materials in the realm of photocatalysis, with a specific focus on their efficacy in mitigating hazardous dyes and CO2 to less harmful and friendly by-products. The review systematically investigates the unique properties that render MXenes well-suited for photocatalytic purposes and provides a thorough examination of their current state of research. It meticulously summarizes the successes and breakthroughs achieved thus far, offering insights into the advancements that have propelled these materials into the spotlight of photocatalytic research. In addition to highlighting achievements, the review critically addresses the challenges and hurdles that impede the full realization of the potential inherent in MXenes. Here, we have also highlighted the stability problem of MXenes and how to overcome this problem for efficient photocatalysis. The mechanism of photocatalysis was also the main theme of this review article and how to overcome the recombination of photogenerated charges. By identifying these challenges, the review serves as a valuable resource for researchers, providing a roadmap for future endeavours to unlock the untapped capabilities of these materials. It serves as a beacon for environmental researchers, offering valuable insights into the pivotal role these materials can play in creating a more environmentally friendly and safe world. Ultimately, this review contributes significantly to the collective knowledge base and will prove instrumental for researchers and professionals dedicated to environmental protection and sustainable living. Graphical Abstract

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Section: Different Methods For Wastewater Treatmentmentioning

confidence: 99%

Harnessing the power of MXenes: a comprehensive exploration of their photocatalytic potential in mitigating hazardous dyes and CO2 reduction

Gulzar,

Haleem,

Rehman

et al. 2024

Discov Mater

Self Cite

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“…Furthermore, only 47% of all dyes are biodegradable in nature, and as a consequence, diverse physical and biological method regarding approaches for remediation were reported during the last two decades [28]. The developed approaches for dye and other organic-pollutant processing are physical methods (adsorption, ion-exchange, chemical precipitation, chemical degradation, flocculation, coagulation, and ultra-filtration), chemical methods [29][30][31][32] (electro-catalytic degradation, the photochemical process, the Fenton process, oxidation, irradiation, ozonation and photocatalytic degradation) [33], and biological methods (enzymatic activity, microbial activity and phytoremediation) [18,20,[34][35][36][37][38][39][40][41][42]. Coagulation and sedimentation approaches are frequently implemented; however, these methods lead to the accumulation of pollutants, which are challenging to manage.…”

Section: Classification Of Dyes and Their Hazardous Effectmentioning

confidence: 99%

In-Depth Photocatalytic Degradation Mechanism of the Extensively Used Dyes Malachite Green, Methylene Blue, Congo Red, and Rhodamine B via Covalent Organic Framework-Based Photocatalysts

Haleem,

Ullah,

Rehman

et al. 2024

Water

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Photocatalytic degradation technology has received much attention from researchers in the last few decades, due to its easy and cost-effective nature. A lot of review articles have been published on dyes via photocatalytic degradation, but most of the review articles lack a detailed and in-depth photocatalytic degradation mechanism of dyes. Numerous review articles are available on photocatalysis. Here, in this review article, we are mainly focused on the complete and in-depth photocatalytic degradation mechanism of four commonly used dyes such as Malachite Green, Methylene Blue, Congo Red and Rhodamine B, which will be highly useful for the new researchers that work on dyes’ photocatalytic degradation. Initially, various aspects of dyes have been included in this review article, comprehensively. The main focus was on the covalent organic framework-based photocatalysts for dyes’ photocatalytic degradation, due to their porous nature and various unique properties. Various synthesis routes and the photocatalytic performance of covalent organic frameworks and composite of covalent organic frameworks have been highlighted in this review article. In the last section of this review article, the main stimulus was the four mentioned dyes’ properties, uses, and toxicity, and the photocatalytic degradation mechanism through various paths into environmentally friendly and less-harmful compounds in the presence of photocatalysts. Factors effecting the photocatalytic degradation, economic cost, challenges and future aspects of photocatalytic technology were also included in this review article. This review article will be highly useful for those researchers that work on the photocatalytic degradation of various dyes and search for the complete degradation of complex dye molecules.

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Upcycling of wool keratin for selective recovery of gold from aqueous solution

Chen,

et al. 2025

Chemical Engineering Journal

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A customized 3D bio-macroporous cryogels for efficient and selective gold extraction

Cited by 5 publications

References 58 publications

Harnessing the power of MXenes: a comprehensive exploration of their photocatalytic potential in mitigating hazardous dyes and CO2 reduction

Harnessing the power of MXenes: a comprehensive exploration of their photocatalytic potential in mitigating hazardous dyes and CO2 reduction

In-Depth Photocatalytic Degradation Mechanism of the Extensively Used Dyes Malachite Green, Methylene Blue, Congo Red, and Rhodamine B via Covalent Organic Framework-Based Photocatalysts

Upcycling of wool keratin for selective recovery of gold from aqueous solution

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