NSP-3 Molecular Sieve

NSP-3 molecularsieve is a crystal silicon aluminate that has developed a 3-D pore structure, and strong polarity. It exhibits strong adsorption of CO2 molecules and mercaptan.

Description of NSP-3 Molecular Sieve:

Chemical composition and structure

NSP-3 molecular sieve is a silico-aluminate crystal; its chemical composition mainly includes silicon, aluminum, sodium, oxygen and other elements. Its crystal structure mainly comprises tetrahedral structural units, forming a three-dimensional network structure by sharing oxygen atoms. Among them, silicon and aluminum occupy part of the tetrahedral structure, while sodium is mainly present in the lattice defects. This structure makes NSP-3 molecular sieves have unique pore structures and adsorption properties.

Pore structure and adsorption properties

NSP-3 molecular sieve has an ordered pore structure, and preparation conditions can adjust its size. In general, NSP-3 molecular sieves have three different pores of different sizes, corresponding to three different adsorption Spaces. These pore Spaces make NSP-3 molecular sieves have high specific surface area and good adsorption performance. In the petrochemical field, such molecular sieves are widely used in the adsorption separation of hydrocarbons, such as the separation of normal alkane, isomeric alkane and olefin. In addition, the NSP-3 molecular sieve has good hydrothermal and chemical stability to maintain stable adsorption properties under high temperature and high pressure and in strong acid and alkali environments.

Synthesis method

The synthesis methods of NSP-3 molecular sieves mainly include the hydrothermal and template methods. Among them, the hydrothermal synthesis method is one of the most commonly used synthesis methods; its basic principle is under high temperature and high-pressure conditions by controlling the reaction conditions (such as temperature, pressure, raw material ratio, etc.) to synthesize the target molecular sieve. The template rule uses a specific organic template agent to control the molecular sieve's pore structure and specific surface area. Both methods can be adapted and optimized according to demand to obtain NSP-3 molecular sieves with excellent properties.

Modification and modification

It is often necessary to modify or modify to further optimize the performance of the NSP-3 molecular sieve. These modification methods include ion exchange, metal loading, surface modification, etc. These modification techniques can change the adsorption properties, catalytic properties and chemical stability of NSP-3 molecular sieve. For example, metal ions can be introduced through metal loading technology into the pores of molecular sieves to prepare a composite material with catalytic activity. The surface modification can change the polarity and hydrophilicity of the molecular sieve surface and affect its adsorption performance in different solvents.

Applicationes of NSP-3 Molecular Sieve：

Petrochemical field

In the petrochemical industry, NSP-3 molecular sieves are widely used in hydrocarbon adsorption, separation, and catalyst carriers. Firstly, the NSP-3 molecular sieve can effectively adsorb and separate different components of hydrocarbon mixture due to its ordered pore structure and large specific surface area. For example, an NSP-3 molecular sieve can efficiently adsorb and separate n-alkanes from straight-run gasoline to obtain high-purity N-alkanes products. In addition, the NSP-3 molecular sieve can also be used for the adsorption and separation of olefin, aromatics and other organic compounds and as a catalyst carrier for heavy oil cracking and alkylation reactions.

Environmental protection field

The NSP-3 molecular sieve is widely used for environmental protection in water treatment and air purification. Because the NSP-3 molecular sieve has good hydrothermal stability and chemical stability, it can maintain stable adsorption performance under high temperatures and high-pressure conditions, so it can be used to treat harmful substances in various industrial wastewater and domestic sewage. For example, using NSP-3 molecular sieves can effectively remove heavy metal ions, organic pollutants, nutrients and other harmful substances in water. In addition, the NSP-3 molecular sieve can also be used for air purification by adsorption and filtration of harmful gases and particles in the air to provide people with a cleaner and healthier living environment.

Other fields

In addition to the above application areas, NSP-3 molecular sieves can also be used in gas separation, catalyst carrier, ion exchanger, water vapor adsorbent, and other fields. For example, an NSP-3 molecular sieve can adsorb and separate high-purity hydrogen from natural gas or adsorb water vapor to achieve air drying and purification. In addition, the NSP-3 molecular sieve can also be used as a catalyst carrier for heavy oil cracking reactions, alkylation reactions and other petrochemical reaction processes.

Production Method of NSP-3 Molecular Sieve：

Hydrothermal synthesis

Hydrothermal synthesis is one of the most common production methods for NSP-3 molecular sieves. In this method, the aqueous solution of silicon, aluminum, and other elements is heated at high temperature and high pressure so that it reacts to form a molecular sieve. In the reaction process, NSP-3 molecular sieves with different pore structures and properties can be obtained by controlling raw materials' temperature, pressure and ratio.

The advantages of hydrothermal synthesis are simple process, low cost and can be produced on a large scale. At the same time, the method can also control the pore structure and properties of the molecular sieve by adjusting the reaction conditions to meet the needs of different applications.

However, hydrothermal synthesis has disadvantages, such as long reaction times, high energy consumption, and the need to use water and solvents. Therefore, it is necessary to optimize the reaction conditions continuously in actual production.

Template method

The template method is a method to control the structure and properties of molecular sieve pores by using an organic template agent. In this method, the NSP-3 molecular sieve with a specific pore structure is generated by mixing the aqueous silicon, aluminum and other elements with an organic template agent, then heating and reacting under certain conditions.

The advantage of the template method is that NSP-3 molecular sieves with high specific surface area and ordered pore structure can be obtained. At the same time, the method can also control the pore size and shape of molecular sieves by selecting different organic template agents to meet the needs of different application fields.

However, the template method also has some shortcomings, such as the high synthesis cost of the organic template agent, the harsh reaction conditions, and the need for many organic solvents. 

Shipping and Packing of Molecular Sieves:

25kg/ carton;  
55 gallon sealed steel drum  
Customers can request customized packaging.

Inquiry us