Molecular Sieve & Catalyst

Catalyst & Fluid Separation

The molecular sieve, catalyst and fluid separation industries utilize a variety of technologies, most of which are proprietary, to produce products which are typically of high quality and high value. Molecular sieves are mostly composed of small particle-sized zeolites that must be bound together through a beading or extruding process. Catalysts are often fired ceramic bodies that contain or are treated with an active material, such as platinum, depending on the ultimate purpose and end-use for the catalyst. Other catalysts are fine mineral crystalline powders or granules made of special compositions or are treated in such a way as to activate their catalytic functions. These powders or granules may have inherent catalytic activity as a function of their porosity or crystalline nature, or they may act as carriers/support for other catalytic materials. In their granular or powdered form catalysts are usually packed into columns or tubes for containment and ease of handling during their life cycle.

Catalyst and Fluid Separation

Gel-Quality Attapulgite

AMI’s gel-quality attapulgite serves multiple functions in this industry. The primary application for attapulgite is as a binder in the formation of molecular sieve granules.

AMI produces several Min-U-Gel® attapulgite products that are highly effective in this industry. These colloidal gellants are specially designed for binding molecular sieves with their controlled fine particle size, purity, and low silica and carbonate content. These specific quality parameters impart low attrition losses and good crush strength in the molecular sieves, which leads to high yields of finished product during the granulation and drying processes, as well as longer service during end-use application.

All minerals have naturally occurring non-primary mineral components (gangue minerals) in their deposits. Most manufacturers remove them only through rudimentary grinding and air-classification, which still allows the smaller particle sizes to pass through. Min-U-Gel manufacturing uses proprietary methods to reduce these non-binding contaminants to a great extent and the purification process used to produce Acti-Gel® 208 additive goes even further. It mechanically and chemically strip them out. The result is that the purity of Acti-Gel® 208 additive makes it the highest performing binder of any mineral additive for molecular sieve and other high temp binders. This allows it to be used at much lower addition levels that preserves more surface area on the molecular sieve allowing it to have a higher efficiency and service life.

 

 

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