الفهرس 
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Abstract
•This thesis aims to preparation of environmentally-friendly modern solid acid nanocatalysts and the study of structural characterization, chemical catalytic activity, adsorption catalytic activity of prepared metal organic frme works nanocatlysts. The thesis contains: theoretical introduction about metal organic framework catalysts (MOFs), literature survey and aims of the work. •The experimental part include preparation of Fe-MOFs, Co-MOFs and (Fe/Co)Bi-MOFs nanocatalysts. Structure characterization of the prepared nanocatalysts was determined using XRD, TEM, SEM, FT-IR techniques. • The XRD, TEM , SEM and IR results proved formation of Co-MOF, Fe-MOF and (Fe/Co)Bi-MOF nanocatalysts with well crystalline. MOF and Bi-MOF have octahedral structure with nanosize reached to 3.0 nm. •The titration results indicate that Fe-MOFs, Co-MOFs and (Fe/Co)Bi-MOFs nanoctalysts have very strong acid sites (> 100 mV). Lewis to Brønsted ratios calculated form pyridine adsorbed on Bronsted or Lewis sites. •We study the catalytic activity of the prepared nanocatalysts by catalysis of three chemical reactions: synthesis of quinoxaline, 3.4-dihydropyrimodinone and 14-phenyl-14H-dibenzo-[a,j]xanthene. We study number of effects on catalytic activity the yields were 98.38 and 92.50% after 2hrs for quinoxaline and pyrimodinone, respectively and 87.04% after 0.5 hr for xanthene compound. We study adsorption of 4 heavy metals (Pb2+, Hg2+, Cd2+ and Cu2+) as inorganic pollutants and MB as organic pollutant.•We study number of effects on adsorption activity. The adsorption capacities for Pb2+, Hg2+, Cd2+, Cu2+ and MB dye were 98.37, 95.98, 93.89, 92.40 and 96.11% repectively.•The nanocatalysts show good antibacterial and anti-oxidant activity.