General Industries

Demands to improve working environments in both production and pre-production, control, maintenance, supervision and testing areas are continually growing due to increasingly strict regulations and to technological and management development of companies. Indoor air quality is a crucial aspect of achieving safe, healthy and productive work environments. Infectious biological agents are also a considerable risk of contamination in more densely occupied environments. Often located in closed environments or with poor ventilation, these areas can greatly benefit from Purefeel’s UPR air purification and recirculation units and/or UPO Deodorization.

Production Environments

In pharmaceutical, food and other industries with special hygiene requirements, there are a multitude of environments that, even outside the controlled areas commonly called “clean rooms”, require superior and controlled air quality. Receiving, weighing, pre-mixing, control and process supervising areas are some of them. Infectious biological agents are also a considerable risk of contamination in more densely occupied environments. Often located in closed environments or with poor ventilation, these areas can greatly benefit from Purefeel’s UPR air purification and recirculation units and/or UPO Deodorization.

Administrative and Support Areas

Whether located within the production area or in the offices, administrative areas, in addition to being more densely occupied, are also subject to contamination from pollutants from production processes or the circulation of people. These areas, which are normally cooled or heated, do not have suitable natural ventilation, threatening the health of the occupants by the presence of particulate, pollutant gases and microorganisms.
Studies show that the concentrations of volatile organic components (TVOC) especially formaldehydes from furniture and finishing materials, often exceed the acceptable concentration limits*. Infectious biological agents are also a considerable risk of contamination in more densely occupied environments, especially those serving the public. Often located in poorly ventilated environments due to air conditioning, these areas can greatly benefit from Purefeel’s UPR air purification and recirculation units and/or UPO Deodorization.

* WHO - Guidelines for Indoor Air Quality: Selected Pollutants; 2010.

Laboratories

– Air conditioning systems equipping laboratories, as a rule, often have the side effect of decreasing the quality of indoor air due to reduced outdoor intake rates and filtering capacity*. Although most of the alternatives available on the market for indoor air purification are intended the to laboratories, few or perhaps none, in fact, meet the essential control, monitoring and management requirements needed in this type of application (see INTELIARTM). Infectious biological agents are also a considerable risk of contamination in laboratories more densely occupied or which have specific control requirements in this regard. Often located in poorly ventilated environments due to air conditioning, these areas can greatly benefit from Purefeel’s UPR air purification and recirculation units and/or UPO Deodorization.

*ASHRAE JOURNAL– using ASHRAE's New IAQ Guide; Andrew Persily; 2010

Health Care Areas

Clinics, Hospitals, Community Health facilities, small Clinical Analysis Laboratories and related environments operate in buildings with poor ventilation conditions, putting occupants’ health at risk. These buildings in general do not support the installation of centralized ventilation systems without complex and expensive works. At the same time, maintenance and control of air quality is essential. Infectious biological agents are a real risk of contamination in such environments. Purefeel’s UPR air purification and recirculation units are a technically consistent and economically viable alternative in these cases.

Watch the video about an application of Air Purifiers in a Hospital Environment. The original video in English was subtitled in Portuguese by Purefeel® for information purposes only. Original video link How to Create a COVID-19 Negative Pressure Room – YouTube.

Educational Institutions

A number of studies show that air quality directly affects the performance and health of students and staff in school environments (UNESCO_A-quality-of-indoor-air-in-schools-ea-performance-of-students.pdf (purefeel.com. br). Some symptoms such as irritability, stress, lack of concentration, drowsiness, rhinitis, sinusitis can be consequences of a closed, poorly ventilated environment with a high concentration of CO2. Air conditioning, specially the so called “split” type although brings thermal comfort to the environments, do not contribute to the solution of the Indoor Air Quality problem. Resolution No. 9, January 2003 from ANVISA*, as well as other international bodies, recommends a maximum of 1,000 parts per million (ppm) of CO2 for indoor environments, which is often exceeded without the proper ventilation leading a large number of schools to have higher carbon dioxide levels, which is an indicator of ventilation efficiency, above 3,000 ppm. An additional consequence of bad ventilation is the high concentration of other indoor air contaminants such as airborne dust (PM2.5 and PM10) volatile organic compounds – VOCs, including formaldehyde. The increased concentration of airborne dust is directly related to contamination by microorganisms such as bacteria and viruses, and VOCs can be found in many construction and maintenance products used in classrooms, including carpets, vinyl, paints, sealants, plastics , wood products, furniture, electronics, cleaning agents and others, with serious consequences for the health of the occupants. The unique PUREFEEL® solutions based on the UPR** and UPO** platforms that combine air purification, controlled outdoor fresh air intake and high automation and control technology, can be the perfect option to solve the serious problem of Indoor Air Quality in Educational Institutions. *Resolution RE no. January 9, 2003 – ANVISA (Brazilian National Health Surveillance Agency): Indoor Air Quality Benchmarks in Artificially Air-conditioned Environments for Public and Collective Use ** Patent Pending (Process PI – BR 10 2021 003423 8)
*Combined Model for IAQ Assessment: Part 1; Michal Piasecki et al; 2019.

Commercial and Public Buildings

The increasingly frequent spread of epidemics and pandemics has greatly restricted the use of spaces for the intense circulation of people in private and public buildings. Part of the environments in these buildings, which quite often do not have suitable ventilation system, has a high density of occupation with the consequent risks of contamination. In addition, indoor air pollution by airborne particulate and other toxic substances from both the external environment and sources of internal emissions, represent an actual risk to occupant’s health, especially in the long term*. Infectious biological agents are, in fact, a considerable risk of contamination in more densely occupied environments. Often located in poorly ventilated environments due to air conditioning, these areas can greatly benefit from Purefeel’s UPR air purification and recirculation units and/or UPO Deodorization.

*Combined Model for IAQ Assessment: Part 1; Michal Piasecki et al; 2019.

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