3A Molecular Sieve For Natural Gas Drying Olefin Dehydration
SNOWPEAK has developed a special type of 3A molecular sieve, which applies to natural gas drying or olefin dehydration processes. This 3A molecular sieve has successfully served several large-scale natural gas processing projects, and has withstood the rigorous tests of high temperature, heavy load, and long-term operation. Core Challenges Of Natural Gas Drying And Olefin […]
Comparison Of 13-APG-Ⅲ And 13X-APG-Ⅴ Molecular Sieves
Type 13X-APG molecular sieve is developed for the cryogenic air separation industry, and 13X-APG-III and 13X-APG-V are respectively its third and fifth versions. SNOWPEAK 13X-APG-V molecular sieve is currently in the stage of vigorous promotion, while the 13X-APG-III molecular sieve has already achieved a large number of mature application performances. Let’s learn more about them. […]
Ethylene Glycol CO Cryogenic Separation Project
SCG Yulin Chemical Project Profile Location: Shaanxi Output: 1,800,000 tons Challenge: Methanol oxidation coking, excessive outlet CO2 content Molecular sieve: 13X Operating Conditions Item Unit Data Flow rate Nm3/h 102560 Inlet temp ℃ 30 Inlet pressure MpaG 3.3 Inlet CO2 ppm 20 Inlet CH3OH ppm 80 Ads cycle h 12 MS loading ton/tower 31.2 Outlet […]
Separation of Linear and Branched Paraffins by Molecular Sieve
Linear and branched paraffins can be separated by 5A molecular sieve. Linear paraffins, also known as normal alkanes or n-paraffins. Branched paraffins, also called isomeric alkanes or i-paraffins. The critical diameter of normal alkane molecules is 4.9 angstroms, while the diameters of isomeric alkanes, cycloalkanes and aromatics are greater than 5 angstroms. So we can […]
Natural Gas Drying Project Outlet Dew Point Solution
Xinjiang Oil and Gas Project Profile Location: Xinjiang Adsorption: 2-tower Regeneration: 1-tower Molecular sieve: 4A Operating Conditions Item Unit Data Flow rate Nm3/h 660000 Temperature ℃ 40 Ads pressure MpaG 5.9 Reg pressure MpaG 6.1 Outlet dew point ℃ ≤-90 Dew Point ＜-90℃ This is an oilfield gas project in Xinjiang. It adopts a 2-tower […]
Olefin Drying Project Powering and Coking Challenge
Zhejiang Olefin Project Project Profile Challenge: powdering, coking Type: 2-tower adsorption regeneration, main bed & guard bed Molecular sieve: 3A Operating Conditions Item Unit Data Flow rate Nm3/h 49000 Temperature ℃ 15 Ads pressure MpaG 1.9 Outlet H2O ppm ≤0.5 Powering and Coking Solution This is an olefin drying project, with a feed gas flow […]
Ethanol Drying Project with the Longest Service Life
COFCO BIO (Zhaodong) Project Profile Output: 200,000 tons Running time: 2015-present (more than 9 years) Molecular sieve: 3A Operating Conditions Item Unit Data Outlet H2O % ≤0.5 The Longest Service Life This is the 200,000-ton ethanol drying project of COFCO BIO (Zhaodong). It was loaded with 102 tons of SNOWPEAK specific molecular sieve for ethanol […]
Air Separation Project with the Longest Service Life
Handan Iron and Steel Group Project Profile Equipment: KDON-16500 EPC: Kaifeng AIR Separation Group Type: Horizontal dual bed Running time: 2015-present (more than 9 years) Molecular sieve: 13X-Ⅲ Operating Conditions Item Unit Data Flow rate Nm3/h 78000 RH % Saturated Inlet temp ℃ ~12 Ads pressure MpaG 0.50 Inlet CO2 ppm 400 Ads cycle h […]
Molecular Sieves for Natural Gas Processing
Molecular sieve is a highly efficient dehydrating agent and desulfurizing agent in natural gas processing industry. Natural gas processing is the industrial process of purifying raw natural gas to meet the quality standards required for pipeline distribution and commercial use. As an environmentally friendly adsorbent, molecular sieve is widely involved in natural gas purification processes, […]
Molecular Sieve Regeneration in Cracked Gas Drying Process
The regeneration of molecular sieve in oil cracked gas drying process, is not only an economical and efficient choice, but also an important practice of green chemistry. We can design the regeneration process scientifically, to maximize resource utilization, reduce environmental burden, and at the same time ensure the continuity and efficiency of petrochemical production. […]
Antibacterial Zeolite and Its Applications
Zeolites have exceptional chemical and physical properties due to their unique structure and act as adsorbents, antibacterial agents, and molecular sieves. The materials that destroy bacteria without being toxic to surrounding tissues or the environment are known as antibacterial agents. Let’s explore more about zeolites and antimicrobial technology. Types and Principles of Antibacterial Zeolites Silver-loaded […]
Application of Zeolite in Insulating Glass Spacers
As a special desiccant, both powdered and spherical zeolite can be applied to insulating glass spacers. The insulating glass spacer is the skeleton of an IGU (Insulating Glass Unit), which supports and separates the two panes of glass. The spacer acts as a sealant to prevent air and moisture from entering the space between the […]
Zeolite Molecular Sieve for Dehydration of Oil Cracked Gas
Zeolite molecular sieves are widely used for the dehydration of oil cracked gas. Let’s draw a brief outline of the application practice. What is Oil Cracked Gas? Cracked gas is a multi-component mixed gas generated during the high-temperature cracking of petroleum hydrocarbons to produce lower olefins. Why Need to Dry Cracked Gas? The purpose of […]
What Sizes of Molecules can Molecular Sieves Absorb?
Molecular sieve is a kind of microporous aluminosilicate crystal with uniform pore size and extremely high specific surface area, good thermal stability, strong adsorption capacity, large internal surface area and high strength. Different types of molecular sieves vary in chemical composition, thus their pore cavities and pore volumes differ greatly. And the size of molecules […]
Application of Zeolite in Polyurethane Industry
As an excellent moisture scavenger, activated zeolite powder (or molecular sieve powder) is produced by synthetic 3A, 4A, 5A or 13X zeolite powders, which has wide applications in polyurethane industry. Let’s look at in more detail. Polyurethane Coating and Pigment Construction Coatings Self-leveling floor coating Wood-flooring coating Wood putty Basement waterproofing Sports hall flooring Industrial […]
Application of Zeolite in Packaging Films
The application of zeolite in packaging films is mainly due to their strong adsorption capacity, which can effectively adsorb molecules such as moisture, ammonia, hydrogen sulfide, sulfur dioxide, and carbon dioxide, thereby keeping the contents of the package dry and stable. This adsorption capacity makes zeolites widely used in packaging industry. Food Packaging Film Packaging […]
How to Purify Ethanol with Molecular Sieve?
Purifying ethanol with molecular sieve has been highlighted in the ethanol or alcohol industry. Choosing an effective type of molecular sieve, and building a workable operation process are equally important. Here let us share solutions from SNOWPEAK. Technique Principle: Different Adsorption Kinetics One or more adsorbents such as molecular sieves need to be filled in […]
What’s the Difference Between 10X and 13X Molecular Sieves?
The main difference between 10X and 13X molecular sieves is their pore size and applications. And they are both type X crystal structure, due to their different pore sizes, industrial applications vary. Chemical Knowledge of 10X and 13X Molecular Sieves 10X and 13X molecular sieves are both aluminosilicates, with a X-type crystal structure. 13X molecular […]
Raw Material and Trace Moisture in Polyurethane Systems
In polyurethane systems, the problem of trace moisture is more or less related to the raw materials. And trace moisture is one of the primary challenges in the manufacture of polyurethane products, which needs molecular sieve as a powerful moisture scavenger to solve it. Polyurethane Raw Materials The core materials of polyurethane are isocyanates and […]
Desiccant Selection: Molecular Sieve, Activated Alumina, Silica Gel
Molecular sieves, activated alumina, and silica gel are common adsorbent desiccants, which are widely used in adsorption drying equipments. Here let’s explore the selection of desiccant in different situations. High Temperature Conditions Molecular sieve is one of the high temperature adsorbents available. At 100°C and 1.3% relative humidity, molecular sieve can absorb 15% of moisture […]
Adsorption Desorption and Adsorbents
The adsorption principle of molecular sieve is based on the size and shape of the pores inside the crystals. The size of its internal pores determines its ability to adsorb and repel molecules of different sizes and polarities. Besides molecular sieve, activated carbon, silica gel, and activated alumina are also commonly used adsorbents. In order […]
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