The Purification of Laboratory Environments has become increasingly relevant, especially in those where experimental activities involving chemical and biomedical processes are carried out. Through the implementation of innovative tools designed to achieve a safe context for work in these environments, air quality assurance protocols are contemplated to ensure the expected optimal results.
One of the most functional, productive and reliable systems to contribute to the purification of laboratory environments are laminar flow hoods (CFL)
These equipment allow to protect and maintain clean spaces, subjecting them to a continuous and careful purification procedure, which involves the elimination of all types of air pollutants such as bacteria, pollens, viruses and non-organic particles.
CFLs are highly versatile and adaptable to small spaces, so they are usually housed inside laboratories; they are built in such a way as to achieve an adequate filtration control, thanks to the upward flow generated by their thermal equipment.
A central position over the work area ensures that all material, as well as workers and plants, remain inside the hood.
Advantages that the use of laminar flow hoods generate for the laboratory and its members
Thus; the system simulates a bubble of clean air, which allows the elimination of external agents that may exist, which could be present in other environments such as machinery, dust, smoke residues, etc.
CFLs can also be implemented to control the relative humidity in the laboratory, avoiding condensation of sorbets with sudden pressure changes inside the hood.
Types of existing laminar flow hoods according to the advancement of technology
In turn, these systems have different degrees of complexity related to the concentration of the contaminant element, which allows them to be managed according to the level of technology available to the laboratories, once the degree of contamination is not always the same.
These components are therefore subdivided according to their function: laminar flow hoods with the same flow, variable flow, air bath; hoods with specific measuring devices have also been developed for the appropriate control of the quantity or concentration of particulate matter (PMs) present in the laboratory air.
The design of the hoods with new technology will prevent the entry of contaminating materials, which will help to increase the purity levels in the environment
On the other hand; equipment has been designed to purify the environments with the objective of ensuring good work, eliminating filtered air streams with multiple filter components allows for optimal air renewal.
For this purpose, multiple devices such as HEPA filters are available ranging from those driven by electric motors and resistors to rotary diffusers containing the same filter material.
One of the main benefits of implementing CFL in laboratories, is the assured control of the spread of infectious agents; the main inhabitants in such environments such as workers, while performing their activities are constantly monitoring and maintaining control of the same volumes of air.
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