Abstract: Presently, most nanofiltration membranes are prepared with non-biodegradable petrochemical materials. This process is harmful to the ecosystem and consumes a large amount of non-renewable energy. In this study, biodegradable biocompatible antibacterial cellulose/chitosan (BC/CS-NFMs) were fabricated characterized for their mechanical strength, antimicrobial activity, salt dye filtration performance, polyethylene glycol (PEG) retention using Thermal gravimetric analysis (TGA), Field...

Bamboo cellulose (BC) is one of the most abundant renewable, hydrophilic, inexpensive, and biodegradable organic materials. The membrane best materials for replacing petroleum-based polymer films used water purification. In this study, N-methylmorpholine-N-oxide (NMMO) was as a solvent to dissolve chitosan, regenerated cellulose/chitosan (BC/CSM) prepared by phase inversion. A new kind nanofiltration (IP-BC/CS-NFM) obtained interfacial polymerization piperazine (PIP) trimesoyl chloride...

A critical review on the effects of water solvent that contribute to sustainable development biomass-derived levulinic acid valorization systems.

In this work, we directly coated a layer of tannic acid (TA)-Mn2+ chelate networks on black phosphorus (BP) nanosheets (BPNSs) via simple one-step method. The as-synthesized TA-Mn2+ chelate-coated BPNSs (BPNS@TA-Mn) have excellent T1 MRI contrast enhancement capability, good photoacoustic imaging performance, and high photothermal conversion efficiency, showing great potential in imaging-guided therapy.

This minireview highlights versatile routes for catalyst nanostructure modulation better hydrogenation selectivity control of typical biomass-derived furan platform chemicals to tame the butterfly effect on catalytic selectivity.

It is of great significance to search for efficient, renewable, biodegradable and economical membrane materials. Herein, we developed an organic-inorganic hybrid regenerated cellulose (ZrO2/BCM) with excellent hydrophilic anti-fouling properties. The was prepared by introducing ZrO2 particles into N-Methylmorpholine-N-oxide(NMMO)/bamboo cellulose(BC) solution system the phase inversion method. physi-chemical structure membranes were characterized based on thermal gravimetric analysis (TGA),...

The electrocatalytic 5-hydroxymethylfurfural (HMF) oxidation reaction (HMFOR) toward 2,5-furandicarboxylic acid (FDCA) has been considered a promising approach for the substitution of energy-consuming and hazardous oxygen evolution valorization renewable biomass. However, it is limited by susceptibility HMF to oxidative environment requires efficient electrocatalysts. Herein, NiMo complex (NiMo-N) provided as precatalyst HMFOR, exhibiting favorable performances with current density 450...

<italic>γ</italic>-Valerolactone (GVL) is a promising bio-based platform molecule with significant potential for energy applications. The production of GVL via biomass-based levulinic acid (LA) an important reaction. To enhance the conversion and selectivity non-precious-metal catalysts in LA-to-GVL process to better understand key factors influencing this conversion, we conducted series experiments. In study, supported Cu-Ni bimetallic (Cu-Ni2/Al2O3) were prepared using layered...

2-Methyltetrahydrofuran (2-MTHF), a hydrogenated derivative of levulinic acid (LA), is biomass-derived platform compound with diverse and significant applications as biofuel, gasoline additive, green solvent, pharmaceutical synthesis intermediate. This study investigates the preparation Cu1Ni2/Al2O3 catalyst through calcination–reduction CuNiAl hydrotalcite precursor, which was subsequently utilized in hydrogenation LA to produce 2-MTHF. The process applied results lattice confinement...

Metal-organic frameworks (MOFs) are highly crystalline inorganic-organic complexes formed from metal ions or clusters and multi-toothed organic ligands. MOFs have great potential for use in antibacterial materials the biological, environmental, food antimicrobial fields. They can act as a reservoir of ions, releasing them gradually leading to sustained effect analogous that proposed oxide nanoparticles (NPs). Herein, UiO-66-NH2 type MOF was first prepared by facile solvothermal method then...

With the exploring and developing of mineral resources in Tibet Autonomous Region for many years, a large number tailings have been produced. A total 17 samples from borehole cores were collected different ponds regions Tibet. The results showed that composition content each research area different. Among them, quartz was most abundant tailings. major elements mainly included Si, Al, Fe, Mg, Mn, Ca, Na, K so on. S existed types In analysis trace element composition, it found some had...

A Fe-doped NiMoO 4 pre-catalyst with lattice defects induced by NH 3 treatment shows bulk and rapid reconstruction to distorted γ-Ni(Fe)OOH improved intrinsic activity for water oxidation.

Water scarcity and water pollution have become increasingly severe, therefore, the purification of resources has recently garnered increasing attention. Given its position as a major resource, efficient drinking is crucial importance. In this study, we adopted phase transition method to prepare ZrO2/BCM (bamboo cellulose membranes), after which developed IP-ZrO2/BC-NFM nanofiltration membranes) through interfacial polymerization using piperazine (PIP) tricarbonyl chloride (TMC)....

Three common solid wastes (waste incineration fly ash, sewage sludge, and polluted soil) were the raw materials used in synthesis of a geopolymer–type zeolite–like product, which was then as catalyst carrier to prepare nickel hydrogenation for catalytic levulinic acid γ–valerolactone. Under optimum conditions, synthesized geopolymer zeolite has excellent structure performance. The characterization results show that composites have three–dimensional network structure, pore is homogeneous...

The exhaust/return-split configuration is regarded as an important upgrade of traditional under-floor-air-distribution (UFAD) systems due to its higher energy efficiency. Moreover, existing studies are mostly focused on the effect return vent height performance UFAD system under cooling conditions. Knowledge heating conditions sorely lacking. This paper presents a numerical evaluation characteristics with six different heights vents in operation by comprehensively considering thermal...

The ash (Ash) and biochar (BC) derived from the partial combustion of rice-straw are ubiquitous in soils sediments can potentially affect environmental fate organic contaminants. In this study, effects Ash BC on sorption desorption behaviors methylene blue (MB) were investigated. was obtained direct burning rice-straw, separated by HCl treatment. SEM, BET, FT-IR, pore size distribution analyses used to characterize prepared. Sorption capacities MB Ash-amended soil (AS) BC-amended (BS)...

The large amount of untreated pyrite tailings has caused serious environmental problems, and the recycling is considered as an attractive strategy. Here, we reported a novel non-sintered ceramsite prepared with (PTNC) main active raw material for phosphorus control, dosage effect ingredients on total (TP) removal ability was investigated. results from Plackett-Burman Design (PBD) suggested dosages dehydrated sludge, sodium bicarbonate, cement were factors which significantly affect TP...

In the last ten years, as international environmental protection consciousness has increased, study and applications of green building, construction materials energy savings well reduction carbon dioxide have become urgent issues for governments. Taiwan, joss papers are burned in more than 11,731 registered shrines or temples traditional Chinese deity ancestor worship ceremonies during special holidays occasions. Instead placing this large amount paper ash (BJPA) landfills, proposes...

Abstract Cellulose membranes have the advantages of good hydrophilicity, excellent mechanical properties, and biodegradability. Therefore, they are first choice to replace petroleum polymer membranes. In this study, cellulose (BC) chitosan (CS) were used as raw materials, N-methylmorpholine-N-oxide (NMMO) was solvent. A new kind nanofiltration membrane (BC-NFM), cellulose/chitosan (BC/CS-NFM), interfacial polymerized composite (IP-BC/CS-NFM) successfully prepared by NaOH hydrolysis...