Stable zeolite/cellulose composite materials and method of preparation

Authors

Gustavo F. Larsen, University of Nebraska-LincolnFollow

ORCID IDs

Gustavo Larsen

Date of this Version

11-9-2004

Comments

The inventors of this patent are :Larsen; Gustavo (Lincoln, NE), Vu; David (Lincoln, NE), Marquez-Sanchez; Manuel (Glenview, IL).The relevant information about this patent can be obtained from the following united states patent website. United States Patent No.6,814,759

Abstract

Stable cellulosic fiber material for use in forming zeolite/cellulose composites is prepared by suspending loose cellulose fibers in an aqueous solution of sodium hydroxide, potassium hydroxide or sodium silicate, stirring the resulting suspension until it reaches a macroscopically homogenous appearance, heating the resulting mixture at a temperature of 323-423 K until only dry solids remain, contacting the resulting mixture with excess distilled water to remove physically adsorbed or trapped sodium hydroxide, potassium hydroxide or sodium silicate from the fibers, and heating the resulting fiber material at 323-423 K to dry the fiber material. Stable zeolite/cellulose composite material characterized in that leaching of the zeolite phase does not occur upon contact of the composite with water at approximately 373 K comprises a zeolite and a stable cellulosic fiber prepared as described above, the composite material being formed by contacting a zeolite with the stable fiber material.