Synthesis of Rod Like Chromium/Manganese Layer Double Hydroxide and Applications

Urea assisted hydrothermal approach is used for synthesis of chromium/manganese layered double hydroxide particles. The choice of metal combination in this product provides sufficient benefits for this research work. The parallel alignment, rod-like appearance, surface and dimensions of particles are measured by SEM and STEM. The composition is analyzed by XRD and EDX and formula of LDH is also proposed. Synthesized particles are used as catalyst for degradation of Methyl orange, methylene blue and murexide dyes. Structures of dyes have different substituents attached on ring which affect their reactivity. Apparent rate constant ( k app ) of dyes are calculated from results. Effects of catalyst dosages are studied. Flash and fire points and other parameters of commercial diesel are measured using Cr/Mn LDH.