Showing papers in "Chemical Engineering Journal in 2020"

TL;DR: In this article, the possible reactive species generated in various advanced oxidation processes (AOPs) were systematically analyzed and summarized, including hydroxyl radicals (HO), hydrogen radical (H), hydrated electron (eaq−), sulfate radicals (SO4 −), peroxymonosulfate radicals(SO5 −), superoxide radicals (O2 −), singlet oxygen (1O2) and hydroperoxy radicals (H2 ).

TL;DR: In this article, the up-to-date research progresses of iron-mediated activation of persulfate and peroxymonosulfate mediated by these iron-based species in both homogeneous and heterogeneous ways are summarized and discussed.

TL;DR: In this paper, a microwave pyrolysis of biomass is proposed to produce activated biochar with desirable properties for wide application in pollution control, catalysis and energy storage, and the key implications for future development are highlighted.

TL;DR: In this paper, a carbon nanocage was synthesized by direct pyrolysis of a core-shell ZIF-8@ZIF-67 polyhedron.

TL;DR: An extensive review of current studies on the process, principles, and setups of electrodialysis (ED) technology is given to deliver a comprehensive collection of all the main findings published on this technology so far as discussed by the authors.

TL;DR: In this paper, a multilayered polyvinyl alcohol/transition metal carbide (PVA/MXene) film with alternating multilayer structure was fabricated through multi-layered casting and the continuous MXene layer provided a compact network for conducting heat and electron.

TL;DR: In this article, a hierarchical multi-interfacial Ni@C@ZnO microsphere with special Schottky contact structure was successfully fabricated after annealing the bimetallic Ni-Zn-MOF precursor.

TL;DR: In this article, an in-depth overview comprising traditional photocatalysis along with Z-scheme photocatalytic systems have been exploited and discussed with respect to their facile synthesis techniques and application in environmental restoration.

TL;DR: In vivo experiment in a mouse full-thickness skin wound-infected model indicated that the hydrogels had an excellent treatment effect leading to significantly enhanced wound closure healing, collagen deposition, and angiogenesis.

TL;DR: In this article, the photodegradation of tetracycline (TC) over TiO2 under visible light irradiation was reported, where 25.1% of removal efficiency for TC was achieved even under 700 nm light irradiations.

TL;DR: In this paper, a hollow nickel/carbon (Ni/C) microsphere was synthesized by in situ pyrolysis of the Ni-based trimellitic acid framework (Ni-MOF) at argon atmosphere.

TL;DR: In this article, the effects of microplastics on wastewater and sludge treatment and the mechanisms were discussed, and the problems that need to be addressed in the future were pointed out and the key points for future investigation were proposed.

TL;DR: In this article, the adsorption of congo red and methylene blue dyes in aqueous solution were characterized via XRD, FTIR and SEM techniques and the dye isotherms at three temperatures were quantified.

TL;DR: In this article, an efficient, stable and recyclable visible-light-driven (VLD) Bi2WO6/Ta3N5 Z-scheme heterojunction with compact interface contact fabricated via an electrospinning-calcination-solvothermal route was reported.

TL;DR: A review of the literature about phosphate removal from water through adsorption and subsequent recovery through desorption or direct use of the phosphorus-loaded adsorbent as a fertilizer can be found in this article.

TL;DR: In this article, the authors used FeCo2S4-CN particles as an innovative heterogeneous catalyst to degrade sulfamethoxazole (SMX) via peroxymonosulfate (PMS) activation.

TL;DR: By embedding CoFe2O4 (CFO) nanoparticle into N-doped reduced graphene oxide (N-rGO) aerogels, a unique CFO/NrGO aerogel microwave wave absorber with a 3D porous architecture was synthesized via a facile solvothermal method and lyophilization technique.

TL;DR: In this article, the authors developed a simple and feasible strategy to introduce highly conductive two-dimensional Ti3C2Tx MXene nanosheets into GO, and then fabricated a lightweight MXene/graphene hybrid foam (MX-rGO) by freeze-drying and reduction heat treatment.

TL;DR: In this paper, the anodes are prepared by electroplating zinc on different substrates (copper foam, copper foil, and Ni foam), namely, Cu foam@Zn, Cu foil, Ni foam, etc., and they are screened as optimal anode, for which they exhibit small voltage hysteresis, high Coulombic efficiency and negligible self-discharge.

TL;DR: In this article, a lightweight and compressible electromagnetic interference (EMI) shielding polymer nanocomposites are fabricated by preforming three-dimensional (3D) MXene aerogel architectures assisted with sodium alginate (SA) followed by coating a thin layer of PDMS to enhance structural stability and durability of the porous architectures.

TL;DR: In this article, a conductive nanocomposite hydrogel comprised of oxidized multi-walled carbon nanotubes (oxCNTs) and polyacrylamide (PAAm) is developed.

TL;DR: In this article, a series of antibacterial, anti-oxidant and electroactive nanofibrous membranes were fabricated by electrospinning poly(e-caprolactone) (PCL) and quaternized chitosan-graft-polyaniline (QCSP) polymer solutions which combined the good mechanical property of PCL and multi-functionality of QCSP.

TL;DR: In this paper, metal-organic frameworks (MOFs) were developed and examined for the separation of four pollutant dyes containing methyl red (MR), methyl orange (MO), malachite green (MG), and methylene blue (MB), which are widely used in textile industries.

TL;DR: In this article, a novel TiO2/g-C3N4-PS system was proposed, in which a TiO 2/g − C 3N4 heterojunction was used to activate persulfate (PS) to enhance pollutant photodegradation under visible-light irradiation.

TL;DR: In this paper, the most recent advances in visible-light driven photodegradation of organic pollutants using LDHs based materials with emphasis on the manipulation of their morphological, compositional, and electronic properties and the mechanistic understandings of the photocatalytic processes.

TL;DR: In this paper, porous activated carbons were prepared from sugarcane bagasse using different activating agents (air, CO2, H3PO4 and NaOH), and the desired CAC-S adsorbent showed superior isothermal CO2 uptakes of 5.50 and 4.28mmol CO2/g at 0°C and 25°C, and 1

TL;DR: In this article, a series of relaxor ferroelectrics (1−−x)Bi0.5Na0.7La0.2TiO3 ((1− −x)BNT-xSLT) with excellent energy storage performance were successfully fabricated.

TL;DR: In this article, a hierarchical coating consisting of polydimethylsiloxane (PDMS) nanoparticles and PDMS microparticles (MPs) functional NPs through a combination of thermal treatment and spray treatment is proposed.

TL;DR: In this article, a high dielectric constant of 1568 ± 15% at an ultra-wide temperature range of 60-600°C was achieved in novel 0.9NBT-0.1LT lead-free ceramics via LiTaO3 modification and composition engineering.

TL;DR: In this article, the authors provide an updated overview of the state of the science about the fundamentals, occurrence, impacts and treatment of short-chain per-and polyfluoroalkyl substances (PFAS).