Process and catalyst composition to produce a lower alkylene glycol and method of preparing this composition

METHOD AND COMPOSITION FOR PRODUCING CATALYST alkylene ONE AND METHOD FOR PREPARING THE SAME; THE CATALYST COMPOSITION OF A PRODUCT IS MADE REDUCTION OF SILICA GEL CONTAINING COPPER FORM CONTACT COMPLEX ammine TYPE OF COPPER WITH SILICA GEL WITH A MEDIUM PARTICLE DIAMETER DOES NOT EXCEED 200MM OR WITH SOL COLLOIDAL SILICA; THE USE OF THIS CATALYST COMPOSITION ALLOWS TO OBTAIN A LOWER alkylene EFFECTIVELY WITH A HIGH CONVERSION AND SELECTIVE WITHOUT CAUSE POLLUTION ATTRIBUTED TO USE OF CATALYST COMPOSITION CONTAINING CHROME.