For the first time, ammonia has been directly synthesised from wet air at intermediate temperature. Ce0.8Gd0.2O2−δ (CGO)–(Li,Na,K)2CO3 electrolyte together with a new perovskite oxide Pr0.6Ba0.4Fe0.8Cu0.2O3−δ were used for electrochemical synthesis of ammonia. An formation rate 1.07 × 10−6 mol s−1 m−2 was obtained 400 °C when applied voltage 1.4 V, while introduced to single chamber reactor. This is just slightly lower than value 1.83 N2 fed under same experimental conditions. These values...

In this study, Zn-substituted cobalt ferrite nanoparticles (CoFe1.9Zn0.1O4, CFZ) were successfully synthesized via a combined EDTA-citrate sol-gel process. The CoFe1.9Zn0.1O4 characterized by X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), point zero charge (pHpzc) and scanning electron microscopy (SEM). adsorption experiments of methylene blue (MB) onto CFZ surface conducted in batch mode. under different conditions (contact time, adsorbent dosage, initial pH...

A La0.6Sr0.4Co0.2Fe0.8O3−δ-Ce0.8Gd0.18Ca0.02O2−δ composite cathode was used to investigate the electrochemical synthesis of ammonia from wet nitrogen. Wet nitrogen flown through a dual chamber reactor under atmospheric pressure leading successful ammonia. Ammonia synthesised at rate 1.5 × 10−10 mol s−1 cm−2 400 °C when applying dc voltage 1.4 V, which is highest reported date. This twice that observed formation (7 10−11 cm−2) Co-free cathode, La0.6Sr0.4FeO3−δ-Ce0.8Gd0.18Ca0.02O2−δ as...

Introduction of Cr³⁺ions at the B-site doped LaFeO₃improves both chemical stability and catalytic activity for ammonia synthesis.

Iron molybdenum nitride catalyst (Fe3Mo3N) was synthesised via a temperature-programmed reduction (TPR) of the corresponding precursor by flowing pure ammonia gas. The characterised x-ray diffraction (XRD) and scanning electron microscopy (SEM). Ammonia successfully for first time from hydrogen nitrogen at atmospheric pressure using Fe3Mo3N-Ag composite as cathode, Ag-Pd alloy anode LiAlO2-carbonate solid electrolyte. formation observed three different temperatures 400, 425 450 °C maximum...

Water contamination caused by the presence of synthetic dye is one world's major environmental concerns. This work aims to explore potential application non-carbonized phosphoric acid-treated Balanites aegyptiaca "heglig" seed husks powder (BASHP) as a bio-sorbent for methylene blue (MB) removal from water bodies. BASHP was characterized using Fourier transform infrared spectroscopy (FTIR). The characteristics BASHP, such iodine number, point zero charges, solubility, and specific surface...

Ammonia was successfully synthesised directly from wet N₂at ∼400 °C based on an O²⁻ion conducting electrolyte.

La0.6Sr0.4Fe0.8Cu0.2O3-δ was prepared via combined EDTA-citrate complexing sol-gel process, characterized by X-ray diffraction and SEM. Ammonia synthesis successfully synthesized directly from wet nitrogen based on an electrolytic cell using La0.6Sr0.4Fe0.8Cu0.2O3-δ-Ce0.8Gd0.18Ca0.02O2-δ composite cathode, Ce0.8Gd0.18Ca0.02O2-δ-(Li/Na/K)2CO3 electrolyte Sm0.5Sr0.5CoO3-δ-Ce0.8Gd0.18Ca0.02O2-δ anode. The O2− conduction of the used for ammonia synthesis. maximum formation rate 5 × 10−11 mol s−1...

Ammonia was directly synthesised from wet air at 400 °C atmospheric pressure. A new perovskite Sm_0.6Ba_0.4Fe_0.8Cu_0.2O_3−δ used as the electrocatalyst for electrochemical synthesis of ammonia. formation rates 9.19 × 10⁻⁷ mol s⁻¹ m⁻² and 1.53 10⁻⁶ were obtained when N₂ introduced into a simple single chamber reactor, respectively. The catalyst is low cost compared to previously reported...

In the present study, Zn-doped cobalt ferrite (CoFe1.9Zn0.1O4) magnetic nanoparticles were successfully synthesized via sol-gel method. The prepared materials characterized using X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). apparent density force of CoFe1.9Zn0.1O4 determined. results revealed that display an adequate considerable force. gravimetric oil removal capability tests also performed to investigate absorption...

In this study, zinc ferrite magnetic nanoparticles (ZnFe2O4, ZFO MNPs) were employed as a sorbent for the removal of oil spill from water surfaces. MNPs synthesized via sol-gel process and characterized by Fourier transform infrared spectroscopy (FTIR) X-ray powder diffraction (XRD). Both apparent density force determined. presented considerable (40.22 mN) an adequate (0.5287 g/cm3), which are important separation flotation. Four samples (gasoline engine oil, crude used motor diesel oil) to...

Purpose This study aims to explore the possibility of using magnetic biochar composite (MBCC) derived from Heglig tree bark (HTB) powder (agricultural solid waste) and cobalt ferrite (CoFe 2 O 4 , CFO) for oil spill removal seawater surface. Design/methodology/approach One-pot co-precipitation route was used synthesize MBCC. The prepared materials were characterized by X-ray diffraction, scanning electron microscopy-energy dispersive spectroscopy, Fourier transform infrared spectroscopy....

Crude oil is the main economic supply in many countries. Corrosion has been considered as first fatal factor destroying crude plants such equipment, wells, separation vessels, storage tanks, and pipelines. This reason encouraging companies researchers to develop new technological methods manipulate corrosion. In this review, we discuss types of corrosion, corrosion control (chemical non -chemical methods), removal monitoring process (direct indirect measurement corrosion). addition some...

Purpose The purpose of this research is to assess the removal oil spills from seawater surface as well antibacterial activity ZnFe 2 O 4 -cetyltrimethylammonium bromide (CTAB, cationic surfactant) magnetic nanoparticles (ZFO-CTAB MNPs). Design/methodology/approach A CTAB-assisted sol–gel method was used synthesize ZFO-CTAB MNPs. X-ray powder diffraction and Fourier transform infrared spectroscopy were for MNPs characterization. Also, force apparent density determined. spill cleanup...