Mixing – Pharmaceutical Engineering a Complete Guidance

In this section, we will explore the objectives, applications, and different factors which affect the mixing process, as well as the mechanisms involved in solid, liquid, and semisolid mixing. We will also discuss the principles, construction, working, uses, merits, and demerits of various mixers commonly used in different industries. Definition Definition: Mixing (or blending) is … Read more

Triple Roller Mill: Principle, Construction, Diagram, Working, and Applications

The Triple Roller Mill is a highly valuable equipment used in different industries for mixing purposes. It is known as Triple Roller Mill. Principle: Principle of the Triple Roller Mill Operating on the principle of shear force, the three-roll mill contains three horizontally positioned rolls. These rolls rotate in opposite directions and at varying speeds … Read more

Paddles Mixture: Principle, Construction, Working, Advantages, and Disadvantages

Paddles mixture act as impellers which are used in the process of blending liquids. They have flat blades attached to a vertical shaft, rotating at a speed below 100 r.p.m. In this article learn about the Paddles mixture and their Principle, Construction, Working, Advantages, Disadvantages, and Applications. Principle behind Paddles It works on the principle … Read more

Silverson Mixer: Principle, Construction, Working, Advantages and Limitations

For high-shear mixing, the Silverson homogenizer is highly used by many industries over the last 60 years. It is able to mix liquid to liquid and liquid to solid at the speed of up to 8000 r.p.m. In this article, we will discuss the Silverson mixer, its applications, principles, construction, working, advantages, and limitations. Principle: … Read more

Turbine Mixture: Principle, Construction, Working, Advantages and Disadvantages

Turbine Mixture is the most common equipment that is used in various industries for mixing purposes. It is very effective in the mixing of highly viscous materials. In this article, you will learn in detail about their principle, working, construction, application, advantage, and disadvantages. Principle of Turbine Mixer The principle of Turbine Mixer works on … Read more

Propellers: Principle, Construction, Working, Advantages and Disadvantages

Propellers are mechanical devices that are used to mix liquid materials by using blades. A propeller normally contains a number of blades A three-bladed design is generally used The marine type propeller is similar to the blades of a table fan or ceiling fan. They may be either right or left-handed depending on the direction … Read more

Sigma Blade Mixer for Mixing

The Sigma Blade Mixer is one of the most popular mixers for blending and kneading materials with high viscosity. It is a double-arm kneader mixer used in handling high-viscosity materials. Principle behind the Sigma Blade Mixer The principle involved in these mixers, which handle highly viscous materials, depends on shearing and convecting generated by interlocking … Read more

Ribbon Blender: Principle, Construction, Working, Varients, Advantages, and Disadvantages

The Ribbon Blender is a mixing device that operates on the principle of shear and convective mixing. Principles of Ribbon Blenders: Related: Size Reduction Construction of Ribbon Blenders: A ribbon blender consists of a U-shaped horizontal trough or shell that contains a helical double-ribbon agitator rotating inside it. The agitator’s shaft is positioned at the … Read more

Size Reduction: Significance, Mechanisms, Factors, and Differernt Methods

Size reduction refers to the process of reducing the size of drugs into smaller particles or fine powder. It involves cutting or breaking particles of solids into smaller pieces. Size reduction becomes necessary when the starting material is too coarse and the desired final product needs to be in the form of a fine powder. … Read more

Size Separation: (Explained Everythings with Diagram, and Examples)

Size Separation involves the separation of a mixture containing particles of various sizes into two or more portions. This can be done through the use of screening surfaces or by shifting the mixture. It is also commonly known as sieving, sifting, or screening. The technique of size separation is based on different physical properties of … Read more

Air Separator: Principle, Working, Construction, Usage in Pharmaceutical Engineering

Air Separator is a pneumatic device that sperate the materials based on their size with the help of air current. This sperate the materials of lighter density from those of greater density and smaller size particles from the bigger ones. Air Separator Principle: The air separator operates based on a similar principle as the cyclone … Read more

Revised Schedule M- GMP (using Infographics)

Schedule M was incorporated by the Drug and cosmetic act of 1940 in 1988. Schedule M is also known for Good manufacturing practices. But earlier there were no rules and regulations that dictated us to know, How is our pharmaceutical building, location, premises, water system, construction area, warehouse, etc. Introduction to M Schedule Schedule M … Read more

Sieving: Working, Construction, Types, Standard, Conversion and Application

The sieving technique is used widely to separate fine powder from coarse powder by utilizing sieves of specific sizes. By passing the powdered material through a sieve, we can determine the level of separation. Sieves are numbered for easy distinction between them. Working & Construction Size separation of powder occurs as the powdered material passes … Read more

How to Check Sieve/ Screen Mesh Size | Sieve Calibration

In the pharmaceutical industry, ensuring the quality and integrity of sieves/Screens used in the manufacturing process is very important. Sieves are widely used to get desired particles size. To assess the integrity of sieves accurately, a specialized kit is used. This kit consists of various tools and procedures designed specifically for sieve inspection. In this … Read more

Elutriation Tank: Principle, Working, Construction, Advantages, and Disadvantages

The Elutriation Tank is designed to achieve size separation of particles by using the distinct densities of fine and coarse particles. So to do this elutriating tank is used to effectively separate these particles. in this article, we will discuss Elutriation Method, Principle, Working, Construction, Advantages, and Disadvantages. Principle of the Elutriation Tank: The elutriation … Read more

Bag Filter: Principle, Construction, Working, Merits, and Demerits

The Bag filter works to enhance the air quality and prevent the loss of powder in pharmaceutical production. In pharmaceutical manufacturing, the processing of highly potent drugs like hormones, vitamins, antibiotics, etc., generates lots of powder, which can lead to hazards. Various processes, including screening, blending, mixing, drying, granulating, tableting, compression, and packaging, contribute to … Read more