Transdermal patches are used on the skin to deliver medicines directly into the bloodstream. In this article, read about transdermal patches, their working mechanism, advantages, applications, types, application methods, and safety considerations. What are Transdermal Patches? They are thin, adhesive patches that are applied directly on the skin to deliver medication. Transdermal patches are useful … Read more
Freeze drying also known as lyophilization, involves freezing water and removing it from a sample through sublimation. It is widely used in the pharmaceutical and biological industries to preserve thermolabile substances. In this article, Read the Principles, Construction, Working of Freeze Dryers, Advantages and Disadvantages. Principle of Freeze Dryer: Freeze drying is also known as … Read more
A vacuum dryer is an effective equipment used in many industries, for example, pharmaceuticals, food processing, plastics, and textiles. Inside this equipment, vacuum is used to dry materials that are heated at low temperatures to easily evaporate. In this article learn about Vacuum Dryer and their Principle, Construction, Working, Advantages, Disadvantages, and Usage Principle of … Read more
A spray dryer is an instrument used to dry a liquid feed, for example; solution, suspension, or paste, into dried particles by spraying the feed into a hot drying medium. In this article learn about their Principle, Construction, Working, Advantages, and Disadvantages. Principle of Spray Dryer: The principle of spray drying involves transforming a liquid … Read more
Drum dryer and roll dryer is widely used in industries because of their heat-drying property. In this article learn about principle, constructions, and workings, along with their advantages, disadvantages, and pharmaceutical applications. Principle of Drum Dryer: In the drum dryer principle, we use a heated hollow metal drum that rotates on its longitudinal axis. The … Read more
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
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 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
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 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 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
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
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 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 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 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