A New Testing Facility to Investigate the Removal Processes of Indoor Air Contaminants with Different Cleaning Technologies and to Better Assess and Exploit Their Performances

Residential air cleaners exploiting different technologies re commonly used today to remove air contaminants from indoor environments. Different methods have been developed in the USA and Europe to test their efficiency. The one used in the USA provides a more comprehensive view of indoor processes,...

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Main Authors: Piero Ciccioli, Emanuele Pallozzi, Ettore Guerriero, Maria Adelaide Iannelli, Enrica Donati, Laura Lilla, Carmine Rinaldi, Paolo Svaldi, Paolo Ciccioli, Rosanna Mabilia
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Environments
Subjects:
Online Access:https://www.mdpi.com/2076-3298/9/1/3
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author Piero Ciccioli
Emanuele Pallozzi
Ettore Guerriero
Maria Adelaide Iannelli
Enrica Donati
Laura Lilla
Carmine Rinaldi
Paolo Svaldi
Paolo Ciccioli
Rosanna Mabilia
author_facet Piero Ciccioli
Emanuele Pallozzi
Ettore Guerriero
Maria Adelaide Iannelli
Enrica Donati
Laura Lilla
Carmine Rinaldi
Paolo Svaldi
Paolo Ciccioli
Rosanna Mabilia
author_sort Piero Ciccioli
collection DOAJ
description Residential air cleaners exploiting different technologies re commonly used today to remove air contaminants from indoor environments. Different methods have been developed in the USA and Europe to test their efficiency. The one used in the USA provides a more comprehensive view of indoor processes, because testing is performed in a large simulation chamber (28.5 m<sup>3</sup>), using anthropogenic emissions, such as cigarette smoke, to generate pollution. Testing rooms are also important to investigate new removal technologies, or to improve them. Since no such testing facilities exist in Italy, one of 12.4 m<sup>3</sup> was built in which cigarette smoke, resuspended dust from agricultural soil and, for the first time, diesel exhaust emissions were used to generate indoor pollution. Performances were tested with two air cleaning systems, exploiting completely different removal technologies. Accurate values of decay rates of indoor pollutants were obtained using a suite of on-line and out-of-line monitors for the measurement of particulate matter, volatile organic compounds (VOCs) and some inorganic gases. Proton-transfer mass spectrometry (PTR-MS) provided an almost real-time detection of several VOCs and H<sub>2</sub>S, at trace levels (0.01 ppbv). A method using a common in vitro bioassay was developed to assess the ability of air cleaners to remove indoor toxic substances.
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spelling doaj.art-0981ad0d391c4706bae453b41d88f8552023-11-23T13:42:37ZengMDPI AGEnvironments2076-32982021-12-0191310.3390/environments9010003A New Testing Facility to Investigate the Removal Processes of Indoor Air Contaminants with Different Cleaning Technologies and to Better Assess and Exploit Their PerformancesPiero Ciccioli0Emanuele Pallozzi1Ettore Guerriero2Maria Adelaide Iannelli3Enrica Donati4Laura Lilla5Carmine Rinaldi6Paolo Svaldi7Paolo Ciccioli8Rosanna Mabilia9Istituto per i Sistemi Biologici del CNR, Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Rome, ItalyIstituto di Ricerca sugli Ecosistemi Terrestri (IRET-CNR), Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Rome, ItalyIstituto sull’Inquinamento Atmosferico del CNR, Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Rome, ItalyIstituto di Biologia e Biotecnologia Agraria del CNR, Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Rome, ItalyIstituto per i Sistemi Biologici del CNR, Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Rome, ItalyIstituto per i Sistemi Biologici del CNR, Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Rome, ItalyRI.EL.CO Ambiente S.r.l., Via delle Genetica 17, 01200 Rieti, ItalyGIOEL S.p.A., Via Alto Adige 92, 38121 Trento, ItalyIstituto per i Sistemi Biologici del CNR, Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Rome, ItalyIstituto per la Bioeconomia del CNR, Via dei Taurini 19, 00185 Roma, ItalyResidential air cleaners exploiting different technologies re commonly used today to remove air contaminants from indoor environments. Different methods have been developed in the USA and Europe to test their efficiency. The one used in the USA provides a more comprehensive view of indoor processes, because testing is performed in a large simulation chamber (28.5 m<sup>3</sup>), using anthropogenic emissions, such as cigarette smoke, to generate pollution. Testing rooms are also important to investigate new removal technologies, or to improve them. Since no such testing facilities exist in Italy, one of 12.4 m<sup>3</sup> was built in which cigarette smoke, resuspended dust from agricultural soil and, for the first time, diesel exhaust emissions were used to generate indoor pollution. Performances were tested with two air cleaning systems, exploiting completely different removal technologies. Accurate values of decay rates of indoor pollutants were obtained using a suite of on-line and out-of-line monitors for the measurement of particulate matter, volatile organic compounds (VOCs) and some inorganic gases. Proton-transfer mass spectrometry (PTR-MS) provided an almost real-time detection of several VOCs and H<sub>2</sub>S, at trace levels (0.01 ppbv). A method using a common in vitro bioassay was developed to assess the ability of air cleaners to remove indoor toxic substances.https://www.mdpi.com/2076-3298/9/1/3indoor pollutionresidential air cleanerstesting facilityVOCsparticulate matterinorganic gases
spellingShingle Piero Ciccioli
Emanuele Pallozzi
Ettore Guerriero
Maria Adelaide Iannelli
Enrica Donati
Laura Lilla
Carmine Rinaldi
Paolo Svaldi
Paolo Ciccioli
Rosanna Mabilia
A New Testing Facility to Investigate the Removal Processes of Indoor Air Contaminants with Different Cleaning Technologies and to Better Assess and Exploit Their Performances
Environments
indoor pollution
residential air cleaners
testing facility
VOCs
particulate matter
inorganic gases
title A New Testing Facility to Investigate the Removal Processes of Indoor Air Contaminants with Different Cleaning Technologies and to Better Assess and Exploit Their Performances
title_full A New Testing Facility to Investigate the Removal Processes of Indoor Air Contaminants with Different Cleaning Technologies and to Better Assess and Exploit Their Performances
title_fullStr A New Testing Facility to Investigate the Removal Processes of Indoor Air Contaminants with Different Cleaning Technologies and to Better Assess and Exploit Their Performances
title_full_unstemmed A New Testing Facility to Investigate the Removal Processes of Indoor Air Contaminants with Different Cleaning Technologies and to Better Assess and Exploit Their Performances
title_short A New Testing Facility to Investigate the Removal Processes of Indoor Air Contaminants with Different Cleaning Technologies and to Better Assess and Exploit Their Performances
title_sort new testing facility to investigate the removal processes of indoor air contaminants with different cleaning technologies and to better assess and exploit their performances
topic indoor pollution
residential air cleaners
testing facility
VOCs
particulate matter
inorganic gases
url https://www.mdpi.com/2076-3298/9/1/3
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