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The last step in wet agglomeration is the final stabilization through drying. The agglomerated particles are dried to less than 5% water content, and cooled to below their glass transition temperature. [1] Wet agglomeration falls into two categories based on method of agitation: Mechanical mixing and pneumatic mixing.
The process can be very simple or very complex depending on the characteristics of the powders, the final objective of tablet making, and the equipment that is available. In the traditional wet granulation method the wet mass is forced through a sieve to produce wet granules which are subsequently dried.
This process is very important and needs experience to attain proper quality of granules before tableting. Quality of granule determines the smooth and trouble free process of tablets manufacturing. If granulation is not done in a proper manner, the resulting mixture may damage the tableting press.
Pharmaceutical manufacturing is the process of industrial-scale synthesis of pharmaceutical drugs as part of the pharmaceutical industry. The process of drug manufacturing can be broken down into a series of unit operations, such as milling, granulation, coating, tablet pressing, and others.
Low shear wet granulation processes use very simple mixing equipment, and can take a considerable time to achieve a uniformly mixed state. High shear wet granulation processes use equipment that mixes the powder and liquid at a very fast rate, and thus speeds up the manufacturing process. Fluid bed granulation is a multiple-step wet granulation ...
Mechanical screening, often just called screening, is the practice of taking granulated or crushed ore material and separating it into multiple grades by particle size.. This practice occurs in a variety of industries such as mining and mineral processing, agriculture, pharmaceutical, food, plastics, and recycling.
Hence, it is called a wet process which usually covers pre-treatment, dyeing, printing, and finishing. [2] The wet process is usually done in the manufactured assembly of interlacing fibers, filaments and yarns, having a substantial surface (planar) area in relation to its thickness, and adequate mechanical strength giving it a cohesive structure.
A wet grinder can refer either to a tool for abrasive cutting of hard materials or to a food preparation appliance used especially in Indian cuisine for grinding food grains to produce a paste or batter. A wet grinder for abrasive cutting uses fluid for lubrication or cooling; for food preparation, a wet grinder combines water to grain as it is ...