9 Depth Filter Manufacturers in 2023
This section provides an overview for depth filters as well as their applications and principles. Also, please take a look at the list of 9 depth filter manufacturers and their company rankings.
Table of Contents
What Is a Depth Filter?
A depth filter is a type of filter that captures and removes filtrate not from the surface of the filter, but from the inside.
The reason for the internal trapping is that the filter is designed so that the pore diameter is larger at the top of the filter and gets smaller as it gets closer to the bottom.
On the other hand, the type of filter that intercepts on the surface is called a screen filter and is widely used.
Screen filters have the disadvantage that filtrate accumulates on the surface, gradually clogging the filter and reducing the flux.
A depth filter, on the other hand, prevent clogging and maintain a high filtration rate.
Uses of Depth Filters
Depth filters are used for purification, concentration, and removal of bacteria and foreign matter in various industries such as the chemical, food, and pharmaceutical industries.
Although the filters themselves are also used in the home in areas such as water purification, depth filters are typically used for pretreatment in industrial applications. Normally, when filtering to remove objects or foreign matter, multiple filtration is performed using filters with different pore diameters. This is one of the ways to minimize clogging.
Depth filters are used in the initial stage of filtration because of their coarse and large pore size.
Characteristics of Depth Filters
Depth filters are characterized by their inability to remove completely depending on the type used. Recently, there are filters that use glass fiber and cellulose fiber as materials, but since they are only pressed together, foreign matter can penetrate if the thickness and density adjustment is insufficient. If foreign matter is to be reliably blocked, depth filters with a gradient in pore diameter should be used.
The following is a brief overview of the advantages and disadvantages of depth filters:
- Advantages
The greatest advantage of depth filters are that they prevent clogging and maintain high flux. Maintaining a high filtration rate improves production efficiency and maintenance costs. - Disadvantages
The disadvantages of some types of depth filters are that they cannot be completely blocked and are difficult to reuse. In the case of screen filters, the surface can be cleaned and reused, but depth filters are difficult to clean and are disposable. For this reason, depth filters are often used in the pharmaceutical field, where single-use is the basic requirement.
List of 9 Depth Filter Manufacturers
*Including some distributors, etc.
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- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
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- Germany
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Hongtek Filtration Co., Ltd.
Melt Blown Depth Filter Cartridges
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Cobetter Filtration
Depth Filters
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Auto-Klean
Depth Filters
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Filtration Systems, Inc.
Depth Filters
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Merck Millipore
Depth Filters
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FILTROX Carlson Ltd
Depth Cartridge Filters
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Gopani
Depth Filter Modules
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JNC Filter Co., Ltd.
Depth Filters
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Depth Filter Manufacturer Ranking
*Including some distributors, etc.Number of Employees
- Sartorius AG: 15,000
Newly Established Company
- Sartorius AG: 1870 (153 years ago)
Company with a History
- Sartorius AG: 1870 (153 years ago)
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