Monday, 5 February 2018

Depth Filtration – Best Approach for Pollutant Removal

Concerns over contamination of water have encouraged regular use of depth filters in various applications. Depth filters comprise various filters that can retain unwanted particles throughout the filtration medium. Cartridge and capsule filters are two of its most prominent forms. They find widespread application in healthcare, food and beverages, water filtration, chemicals, and cosmetics industries. Sartoclear P by Sartorius AG, GD/XP Syringe filter by GE Healthcare Lifesciences, and Millistak+ Pod depth filter system by Merck Millipore are some excellent examples of depth filtration systems. Advantages such as ease of use and low cost are expected to influence buying decisions among end users.


Efficient Water Filtration Method

Depth filters operate through mediums such as perlite, cellulose, diatomaceous earth (DE), and activated carbon. The diatomaceous earth filtration medium is expected to generate earnings over USD 1 billion by 2025. Other than its prolific use in the healthcare sector, it is also used in the purification of water from other solids obtained from groundwater.

Dynamic body feed filtration utilizes diatomaceous earth to protect the filtration medium from clogging. The pharmaceutical sector has expanded due to production of monoclonal antibodies (mAbs) and relies on batch processing. But dynamic body feed filtration assures the removal of unwanted contaminants. It is used to segregate human plasma from solutions with high solid content. Its high potential in harvesting cell cultures may push for the increasing use of single-use clarification systems. Sartoclear Dynamics is currently employing single-use systems for large batch processing. 

Market Outlook

The global depth filtration market size may exceed USD 4 billion by 2025 due to demand for depth filters in various sectors, according to a report by Grand View Research, Inc. Future developments in water purification plants are likely to drive market growth over the forecast period (2014-2025). Demand for fluid separation techniques for water purification purposes is anticipated to affect market growth. The healthcare sector may be the biggest beneficiary due to the requirement of these filters to eliminate unwanted particles. Alternatives such as centrifugation that can filter out contaminants in larger batches pose a challenge to the market. 

Prominent market players include Sartorius AG, Merck KGaA, The 3M Company, and Eaton Corporation.

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