The operation of reforming catalysts in a fixed bed reactor undergoes high level interaction between the operating parameters and reaction mechanism. Understanding such an reduces catalyst deactivation rate. In present work, three kinds nanocatalysts (i.e., Pt/HY, Pt-Zn/HY, Pt-Rh/HY) were synthesized. catalysts’ performances evaluated for n-heptane reactions reactor. conditions applied followin...

Background: Metal-organic frameworks (MOFs) represent tremendous potential as heterogeneous catalyst in renewable energy production. In this study, biodiesel production using the modified MOF nanocatalyst was investigated esterification reaction. Methods: prepared solvothermal method and through sulfation process. The nanocatalysts characterized by XRD, FT-IR, FE-SEM, TEM, N2 adsorption-desorpt...

abstract: in the present paper, we give a necessary and sufficient condition for contact cr-warped product to be contact cr-product in kenmotsu space forms.

In this paper we report a search for intermediate mass magnetic monopoles and nuclearites using CR39 and Makrofol Nuclear Track Detectors (NTDs) of the SLIM large area experiment, 440 m exposed at the high altitude laboratory of Chacaltaya (Bolivia) and about 100 m at Koksil, Himalaya (Pakistan). We discuss the new chemical etching and improved analysis of the SLIM CR39 sheets. Preliminary limi...

2014 The photoionization absorption spectrum of the strongly Cr-doped GaAs samples was measured in the energy region 5 500-11 000 cm-1 under hydrostatic pressure up to 9 kbar at 300 K and 77 K. The EPR measurements with 1.09 03BCm laser excitation shows that this absorption is due to the charge transfer Cr3+ ~ Cr2+ transitions. The theoretical model which takes into account the lattice relaxati...

The green chemistry method for nanocatalyst synthesis along with environmentally feasible non-edible sources are promising alternatives to fossil fuels. current study focuses on the of copper oxide phyto-nanocatalyst and identification a new renewable feedstock, Citrullus colocynthis, reduce environmental pollution. highest biodiesel yield (95%) was obtained under optimum conditions 1:8 oil-to-...

The relevance of aryl amines as raw materials for a variety applications has prompted substantial research into developing highly efficient protocols hazardous nitroarenes reduction. To that end, new sustainable and heterogeneous palladium nanocatalyst was fabricated by immobilization PdNPs on the magntic support composed carboxymethyl-imidazolium ionic liquid-grafted chitosan Schiff base magne...

The synthesis of esters is one the most fundamental and significant subjects in organic chemistry chemical industry because they are used high-value products such as cosmetics, biofuel, pharmaceuticals, surfactants, food ingredients. In this study, an efficient, economic, sustainable, green protocol for oxidative esterification reaction has been developed. A one-pot direct transformation alipha...

Here we report a magnetic composite nanocatalyst (MP@NiSiO/Pd) with a rattle type nanostructure. The nickel silicate shell encapsulated magnetic core (MP@NiSiO) rattle particles were synthesized by using a facile templating method and the Pd nanocrystals with different sizes can be directly immobilized onto the MP@NiSiO rattles without using any surfactant or capping reagents. X-Ray powder Diff...