A novel cellulose-based adsorbent (CGS) was synthesized by a facile, two-step modification route. It characterized the FTIR, XRD, and SEM technique. The adsorption characteristics of CGS were compared with those native cellulose using crystal violet (CV) as an adsorbate in this work. effects contact time, temperature, pH, initial concentration on sorption all investigated. kinetics for both found to follow pseudo-second-order (P-S-O) kinetic model. equilibrium data fitted well Langmuir...

A novel adsorbent based on cellulose (CGD) was prepared via modifying with glycidyl methacrylate (GMA) and diethylenetriamine pentaacetic acid (DTPA), characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), differential thermogravimetry (DTA/TGA). Malachite green (MG) basic fuchsine (BF) were used to resemble cationic dyes in wastewaters. The influences of several parameters (contact time, pH, temperature, initial...

A novel absorbent composed of cellulose with thiosemicarbazide was prepared for the sorption heavy metal ions and organic dyes from aqueous solutions. Cellulose grafted vinyl monomer glycidyl methacrylate using ceric ammonium nitrate as initiator further functionalized to afford chemically modified (CMC). CMC characterized FTIR, SEM, TGA, XPS, XRD. In this work, used adsorption Hg(II), Cd(II), acid fuchsin (AF) their The effects varying parameters such pH, contact time, temperature, initial...

The 0D/1D graphitic carbon nitride (g-C3N4)/TiO2 heterostructures containing an interfacial oxygen vacancy layer were sequentially constructed by anodic oxidation, NaBH4 reduction, and vapor deposition methods. Visible light absorption was significantly improved via construction of the coupling with g-C3N4. Thus, g-C3N4/OV-TiO2 showed optimal photocurrent density as high 0.72 mA/cm2 at 1.23 V versus reversible hydrogen electrode under visible irradiation, 8-fold higher than data g-C3N4/TiO2...

Catalysts were designed to maximize charge migration and electron–hole separation rate thereby enhance the selectivity of photocatalytic CO 2 reduction reaction toward production.

Molybdenum and nitrogen co-doped $TiO_2$ nanotube arrays (TNAs) were prepared by anodizing in association with hydrothermal treatment. As-prepared Mo N TNAs characterized field emission scanning electron microscopy, X-ray diffraction, photoelectron spectroscopy ultraviolet-visible light diffuse reflection spectroscopy. Besides, the photocatalytic activity of for degradation methylene blue (denoted as MB) under visible irradiation was evaluated. It found that coexists forms N-Ti-O N-O-Ti,...

Dredged marine soils (DMS) have poor engineering properties, which limit their usage in construction projects. This research examines the application of reactive magnesia (rMgO) containing supplementary cementitious materials (SCMs) to stabilize DMS under ambient and carbon dioxide (CO2) curing conditions. Several proprietary experimental tests were conducted investigate stabilized DMS. Furthermore, carbonation-induced mineralogical, thermal, microstructural properties change samples...

Interfacial oxygen vacancy layer of BCN–TiO₂ heterostructures as an effective interfacial mediator can promotes the direct Z-scheme charge carrier transfer process and visible light photocatalytic activity for H₂ evolution.

A chemical etching strategy has been developed to prepare polymeric carbon nitride (PCN) nanosheets with vacancies (CVs). The CVs can regulate the electronic properties of Pt cocatalyst, thereby achieving superior hydrogen production.

Crumb rubber modified bitumen (CRMB) has excellent high-temperature performance and fatigue resistance, is widely used in asphalt pavement to cope with increasing traffic axle load changing climate. Under conventional preparation conditions, the swelling degree of CR can directly impact comprehensive properties CRMB; however, physical chemical research on crumb (SCR) recycled (CRRB) CRMB relatively lacking. In this paper, working CRRB low-temperature conditions were studied through testing...

To enhance photoelectrochemical (PEC) water splitting for renewable energy conversion, the conventional strategy is doping nonmetals into anionic vacancies. Compared to vacancies, cationic vacancies are theoretically more effective and reliable anchoring owing their larger radii unique advantages. The current research mainly focuses on while there few studies due high formation challenging characterizations by convenient techniques. overcome limitations, nonmetallic S P atoms successfully...

Sulphur (S), nitrogen (N)-doped TiO2/graphene oxide (GO) composites were environmentally friendly synthesised using thiourea (CS(NH2)2) as a binary-element doping reagent by simple colloidal blending method. The S, N-doped TiO2/GO show higher photocatalytic degradation rates on methyl orange (MO) compared to TiO2. average value of k (the apparent rate constant) for the TiO2/5%GO (k = 0.035 min−1) was found be eight times than that TiO2 grown in solution 0.0038 and four P25 0.008 min−1)....

Mesoporous Ce<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:msub><mml:mrow><mml:mtext>O</mml:mtext></mml:mrow><mml:mrow><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>/TiO 2 nanoparticles have been successfully synthesized using titanate nanotubes as precursor through the hydrothermal-calcination method. The as-prepared materials were characterized by means of X-ray diffraction (XRD), photoelectron spectroscopy (XPS), transmission electron...

Highly ordered TiO2 nanotube arrays (TNAs) codoped with V and N were synthesized by electrochemical anodization in association hydrothermal treatment. The samples characterized field emission scanning electron microscopy, X-ray diffraction photoelectron spectroscopy. photocurrent photocatalytic activity of investigated under visible light irradiation. Moreover, the production hydroxyl radicals (·OH) on surface light-irradiated is detected a photoluminescence technique using terephthalic acid...

Awakening n→ π * electronic transition in graphitized carbon nitride can extend the visible light absorption range of original g-C 3 N 4 , which will contribute to improve photocatalytic activity dioxide reduction. Here we report that is activated by cooperation steam etching and alkali treatment. The CO CH evolution yields NaOH/Vc‐CN sample are 4.3 16 times higher than those respectively. planar asymmetry structure heptazine was fabricated due hydroxyl groups reacting with terminal N-H...