13x Molecular Sieve Desiccant Remove Mercaptans From Hydrocarbon Liquid Streams
Zeolite 13X Molecular Sieve 13X is kind of sodium aluminosilicate, with a pore opening of 9-10 angstroms (0.9nm). The main component of the X-type molecular sieve is aluminosilicate, silicon-oxy and alumina tetrahedron to form an FAU-type structure, as know as NaX-type.
|Molecular Sieve 13X Typical Physical Properties|
|Items||Unit||8*12 Mesh||4*6 Mesh|
|Bulk Density||g/ml ≥||0.68-0.85||0.65-0.80|
|Equilibrium Water Capacity @ 25℃||wt% ≥||24.0-27.0||24.0-27.0|
|Equilibrium Carbon Dioxide Capacity||wt% ≥||18||18|
|Heat of Adsorption||BTU/lb of H2O||1800||1800|
|Crush Strength||Point Contact||N ≥||30-80||80-130|
|Attrition Rate||wt% ≤||0.1||0.1|
|Size Qualification||% ≥||97||97|
|Package Moisture||wt% ≤||1.5||1.5|
|The interval value of the indexes above are on the basis of the different grade of Molecular Sieve 13X|
|Water, dioxide, hydrocarbons removal|
|General industrial gases drying|
|Gas purification in air separation process|
|Natural gas, liquefied petroleum, liquid hydrocarbons(propane, botane…) dehydration|
|Sulfur dioxide and mercaptan removal|
|General gas (such as compressed air, permanent gas) deeply drying|
|Ammonia synthesis gas drying and purification|
|Aerosol propellant desulfurization and deodorization|
|Carbon dioxide removal from cracked gas|
Molecular sieve Type 13X can be regenerated by either heating in the case of thermal swing processes; or by lowering the pressure in the case of pressure swing processes.
To remove moisture from a 13X molecular sieve, a temperature of 250-300°C is required. A properly regenerated molecular sieve can give moisture dew points below -100°C, or mercaptan or CO2 levels below 2 ppm.
The outlet concentrations on a pressure swing process will depend on the gas present, and on the conditions of the process
Pls avoid damp and pre-adsorption of organic before running, or it must be reactivated.