Rotovap Molecular Sieve

13X Molecular Sieve BASF 13X Molecular Sieve is a highly selective adsorbent designed for the elimination of trace contaminants from air and other gases. It can also be used for the desulphurization (sweetening) of natural gas and other fluids, especially for the removal of mercaptanes, and for drying of gases and liquids. ...

4A molecular sieve. Our 4A molecular sieve products are alkali metal aluminosilicates in the spherical form. They are the sodium form of the Type-A crystal structure with an effective pore opening of 4 Angstroms. Our 4A molecular sieve will adsorb molecules such as oxygen, nitrogen, carbon dioxide, and straight chain hydrocarbons.

Applications of Zeolite 4A. Molecular sieve 4A is considered as one of the best desiccants for a variety of applications that includes: For instrumental air drying (for ensuring a dew point of -60/-800C. Dehydration of drugs, electric components, and unpreserved chemicals when packed. Removal of moisture in plastics and paints.

At 10-20% w/v, 3A molecular sieves will dry every common solvent except acetone as well or significantly better than a solvent still . A bottle of sieves/solvent is also far less likely to catch ...

By adding molecular sieves into the mixture of rectified spirit, this separation of water is easily possible. The usual procedure is to add 3A type molecular sieves into a mixture for 12 hours. Molecular sieve is an excellent desiccant that is used in the major industrial application for the moisture removal process.

For Small Amount. Source: Unsplash. Activating a molecular sieve in smaller amounts, use a flow control adaptor, heat molecular sieves to 120 C in an oil bath beneath a high vacuum overnight (no stirring required). Refill with argon and use as needed. Inspect sieves for heat production on a regular basis and dry as required.

Jianlong fifth-generation high-performance molecular sieve 2020-06-10 Jianlong fifth-generation high-performance molecular sieve JLPM is an X-crystal molecular sieve suitable for air pre-purification devices. Jianlong's Promise to customers during the COVID-19 outbreak 2020.05.21; Luoyang Jalon Approved IPO by Shanghai Stock Exchange 2019.12.05

Jul 21, 2017 The rotovap size depends on how many liters you need to recover. That being said, the most common sizes are 5L, 10L, 20L, and 50L. The size refers to the size of the evaporating flask. It’s important to note that the flask is not loaded at max capacity during operation, but usually around 20-40% capacity. ...

Mar 09, 2021 Molecular separations that enable selective transport of target molecules from gas and liquid molecular mixtures, such as CO 2 capture, olefin/paraffin separations, and organic solvent nanofiltration, represent the most energy sensitive and significant demands. Membranes are favored for molecular separations owing to the advantages of energy efficiency, simplicity, …

May 04, 2017 Slow heat up is recommended since most olefinic materials will be removed at minimum temperatures, 4A, 5A and 13X sieves require temperatures in the 200-315℃ range. After regeneration, a cooling period is necessary to reduce the molecular sieve temperature to within 15℃ of the temperature of the stream to be processed.

May 09, 2017 A molecular sieve is a material containing tiny pores of a precise (0.3-2 nm) and uniform size that is used as an adsorbent for gases and liquids. Molecules small enough to pass through are adsorbed, while larger molecules are not. It is different from a common filter in that it operates on a molecular level. Any materials that have relative ...

May 15, 2020 A molecular sieve works by adsorbing gas or liquid molecules that are smaller than the effective diameter of its pores, while excluding those molecules that are larger than the openings. A practical example of the function of molecular sieves is to dry ethanol. Because of the azeotrope formed when it is mixed with water, normal distillation of ...

Molecular sieve 4A, also called zeolite 4A or zeolith 4A, is one type of aluminosilicate crystal with average pores measuring 4 angstroms (0.4 nm). Molecular with kinetic diameter smaller than 4 angstroms will be adsorbed by zeolite 4A, otherwise, be excluded. Zeolite 4A molecular sieves are typically used for dehydration in the air brake ...

Molecular sieve also known as synthetic zeolite. It is moisture adsorbent with high strength, heat resistance and various shapes and sizes to answer numerous applications. We are expanding many new applications in drying, refining and separation processes in industries such as oil refining and petrochemical. SDK group has been manufacturing and ...

Molecular Sieve Information Type 3A molecular sieves should be used to dry dehydration solvents for electron microscopy. Most common solvents (acetone, ethanol, and methanol, etc.) need to be anhydrous for electron microscopy embedding work using epoxy resins, yet they have a tendency to pick up atmospheric water when bottles are opened.

Molecular sieve is a kind of adsorbent or membrane material with uniform micropores, mainly composed of silicon, aluminum, oxygen and other metal cations. Its pore size is equivalent to the general molecular size, and various fluid molecules are screened according to its effective pore size. Zeolite molecular sieves refer to those natural and ...

Molecular Sieves 1 – 30 1132 . Interest Areas. Life Science; Chemicals ...

Molecular sieves are crystalline metal aluminosilicates having a threedimensional interconnecting network of silica and alumina tetrahedra. Natural water of hydration is removed from this network by heating to produce uniform cavities which selectively adsorb molecules of a specific size. A 4 to 8-mesh sieve is normally used in gasphase ...

Molecular sieves – new opportunities and services offered by BRENNTAG and CECA . Laurentiu GHITA, OilGas BDM BRENNTAG . SILIPORITE . ROMANIA 2015 - DOWNSTREAM CONFERENCE, 16 September 2015, Bucharest . Agenda.

Oct 26, 2015 Introduction. Zeolite molecular sieves are used in industrial applications since more than 60 years, mainly as highly efficient adsorbents for separation processes in gas or liquid phase. The current market volume for molecular sieves (especially for zeolites for adsorption applications) is 150.000–200.000 t with a sales volume of 450–550 Mio.

Product Description. Molecular distillation is a special liquid-liquid separation technology, which is different from the traditional distillation based on the separation principle of material boiling point difference, but based on the difference in the mean free path of molecular motion of each material in the mixture to achieve separation.

Product Description. Molecular distillation is a special liquid-liquid separation technology, which is different from the traditional distillation based on the separation principle of material boiling …

Rotovap registered trade mark lab science plant oil extraction Rotovapur is a unique company we design and invent new lab technology and rotary evaporator machines glassware lab apparatus for plant science extractions based on 30 years working in Terpenes and alkoloids.

Sep 09, 2019 At present, molecular sieves are widely used in industries such as metallurgy, chemical, electronics, petrochemical, and natural gas. Common molecular sieve. Molecular sieve models commonly used in the gas industry; Type A: potassium A (3A), sodium A (4A), calcium A (5A), Type X: Calcium X (10X), Sodium X (13X) Y type:, sodium Y, calcium Y ...

The 4A molecular sieve is an alkali metal aluminosilicate with an effective pore opening of approximately 4 angstroms. The sodium form of type A is widely used as a general-purpose …

The material also has the ability to rapidly adsorb water vapour and is capable of maintaining high adsorption efficiency at high temperatures of up to 90C. Molecular Sieves are available in four primary generic forms, 3A, 4A, 5A and 13X. Each form has its own specific properties and applications, and all retain a polar preference for ...