Courses : Forest Ecology Lecturer :Frischa Adellia Semester : 4thSemester, 2022/2023 Session Vacuum Filtration Vacuum filtration is a separation method that uses vacuum pressure to draw a liquid through a filter medium, thereby efficiently separating solid particles or dissolved substances from the liquid. The basic principle of vacuum filtration is that vacuum pressure applied to one side of the filter media will cause liquid to be sucked through the media, while larger particles or dissolved substances will be retained in the filter. The vacuum filtration process often involves the use of a special device called a vacuum device or vacuum pump to create the necessary vacuum pressure. The liquid to be filtered is then placed on top of the filter media in a container connected to a vacuum system. The vacuum pressure created will pull the liquid through the filter media, separating particles or dissolved substances from the liquid. Vacuum filtration is used in a variety of applications in various industries, such as purification of chemical products, separation of solids from solutions in industrial processes, and water purification. The advantages of vacuum filtration include the ability to separate solid particles or dissolved substances from liquids quickly and efficiently, as well as the ability to adjust the vacuum level according to application requirements. Although vacuum filtration is effective for many applications, equipment maintenance and maintenance of proper operational conditions are critical to the success of the process. Apart from that, selecting a filter media that suits the characteristics of the particles to be separated is also an important factor in the application of vacuum filtration. In practice, vacuum filtration is often used in various laboratory processes, industry and other fields. Some examples of vacuum filtration applications include: 1. Purification of chemical products: In the chemical industry, vacuum filtration is used to separate solids produced in chemical reactions from solutions or solvents. For example, crystallization of certain chemical compounds may be followed by vacuum filtration to separate the crystals from the solution. 2. Water purification: Vacuum filtration is also used in providing clean water and purifying waste water. This process helps remove solid particles and dissolved substances from water, resulting in water that is cleaner and safer for consumption or industrial use. 3. Manufacturing of pharmaceutical products: In the pharmaceutical industry, vacuum filtration is used in the manufacture of various pharmaceutical products, including antibiotics, vaccines, and other medicines. This process allows the separation of microorganisms and other small particles from the solution to produce a clean and safe product. 4. Bioprocess: In biotechnology, vacuum filtration is used in various bioproduction processes, such as separation of cells from growth media, filtration of fermentation products, and purification of other biological products. This helps separate biological products from the growth medium and produces a purer product. 5. Laboratory analysis: Vacuum filtration is also used in many laboratory applications, such as separation of solids from solutions for chemical analysis, separation of components in biological samples, and separation of phases in chemical reactions. With its wide range of applications and high efficiency in separating solid particles or dissolved substances from liquids, vacuum filtration is an important method in various industrial and laboratory processes. In conclusion, vacuum filtration is a separation method that uses vacuum pressure to efficiently separate solid particles or dissolved substances from liquids. The basic principle of this process is to create a vacuum pressure that pulls the liquid through the filter media, while larger particles or dissolved substances are retained in the filter. The advantages of vacuum filtration include the ability to separate solid particles or dissolved substances from liquids quickly and efficiently, as well as the ability to adjust the vacuum level according to application requirements. This method is widely used in various industries, including the chemical, pharmaceutical, and biotechnology industries, as well as in laboratory applications. However, for the success of the process, equipment maintenance, selection of appropriate filter media, and maintenance of optimal operational conditions are essential. Taking all these factors into consideration, vacuum filtration remains one of the effective and efficient separation methods in various industrial and laboratory applications.