scholarly journals Monitoring pollutant gases in museum microclimates: a relevant preventive conservation strategy

2021 ◽  
Author(s):  
Karen Barbosa ◽  
Teresa Ferreira ◽  
Patrícia Moreira ◽  
Eduarda Vieira
Keyword(s):  
Risk Prevention ◽  
Conservation Strategy ◽  
Gaseous Pollutants ◽  
Preventive Conservation ◽  
Volatile Organic ◽  
Museum Environment ◽  
Poor Ventilation ◽  
Many Sources ◽  
Enclosed Space ◽  
Pollutant Gases

Exposure to an atmosphere rich in volatile pollutants can endanger collections in museums, galleries, libraries or archives. Monitoring volatile pollutants in museum microclimates remains an unusual practice in most institutions. Volatile organic compounds (VOCs) can be released by many sources, including the artefacts’ materials themselves. The presence of pollutants in an enclosed space with poor ventilation, adding to high temperature and relative humidity levels or significant fluctuations, may increase the risk of damage for the more susceptible materials. The tendency observed in museums to enclose artefacts in vitrines or boxes may contribute to the formation of microclimates with high VOCs concentration. Based on the studies developed in the last decades, this work intends to draw attention to the risks associated with gaseous pollutants in museum environment and outline some recommendations that encourage cultural heritage institutions to implement a pollutant monitoring plan associated with risk prevention.

scholarly journals Monitoring pollutant gases in museum microclimates: a relevant preventive conservation strategy

2021 ◽  
Author(s):  
Karen Barbosa ◽  
Teresa Ferreira ◽  
Patrícia Moreira ◽  
Eduarda Vieira
Keyword(s):  
Risk Prevention ◽  
Conservation Strategy ◽  
Gaseous Pollutants ◽  
Preventive Conservation ◽  
Volatile Organic ◽  
Museum Environment ◽  
Poor Ventilation ◽  
Many Sources ◽  
Enclosed Space ◽  
Pollutant Gases

Exposure to an atmosphere rich in volatile pollutants can endanger collections in museums, galleries, libraries or archives. Monitoring volatile pollutants in museum microclimates remains an unusual practice in most institutions. Volatile organic compounds (VOCs) can be released by many sources, including the artefacts’ materials themselves. The presence of pollutants in an enclosed space with poor ventilation, adding to high temperature and relative humidity levels or significant fluctuations, may increase the risk of damage for the more susceptible materials. The tendency observed in museums to enclose artefacts in vitrines or boxes may contribute to the formation of microclimates with high VOCs concentration. Based on the studies developed in the last decades, this work intends to draw attention to the risks associated with gaseous pollutants in museum environment and outline some recommendations that encourage cultural heritage institutions to implement a pollutant monitoring plan associated with risk prevention.

Microwave Torch Plasmas for Decomposition of Gaseous Pollutants

2004 ◽  
Vol 7 (1) ◽  
Author(s):  
Mariusz Jasiński ◽  
Jerzy Mizeraczyk ◽  
Zenon Zakrzewski
Keyword(s):  
Atmospheric Pressure ◽  
Energy Cost ◽  
Gas Flow ◽  
Coaxial Line ◽  
Low Energy ◽  
Gaseous Pollutants ◽  
Gas Flow Rate ◽  
Torch Discharge ◽  
Volatile Organic ◽  
Moderate Power

AbstractResults of the study of decomposition of volatile organic compounds (VOCs including Freons) in their mixtures with either synthetic air or nitrogen, and nitrogen oxides NOx in their mixtures with N2 or Ar in low (~ 100 W) and moderate-power (200-400 W) microwave torch plasmas at atmospheric pressure are presented. Three types of microwave torch discharge (MTD) generators, i.e. the low-power coaxial-line-based MID, the moderate-power waveguide-based coaxial-line MTD and the moderate-power waveguide-based MTD generators were used. The gas flow rate and microwave power (2.45 GHz) delivered to the discharge were in the range of 1÷3 l/min and 100÷ 400 W, respectively. Concentrations of the processed gaseous pollutants usually were from several up to several tens percent. The energy efficiency of decomposition of several gaseous pollutants reached 1000 g/kWh. It was found that the microwave torch plasmas fully decomposed the pollutants at relatively low energy cost. This suggests that the MTD plasma can be a useful tool for decomposition of highly-concentrated gaseous pollutants.

Review of Distribution Characteristics and Sources of Volatile Organic Compound in Atmosphere

2013 ◽  
Vol 726-731 ◽  
pp. 944-949
Author(s):  
Zhen Hua Xiong ◽  
Feng Qian ◽  
Xue Feng ◽  
Rong Rong Su ◽  
Yu Zeng
Keyword(s):  
Volatile Organic Compounds ◽  
Organic Compound ◽  
Human Health ◽  
Organic Compounds ◽  
Volatile Organic Compound ◽  
Distribution Characteristics ◽  
Sources Apportionment ◽  
Secondary Pollutants ◽  
Volatile Organic ◽  
Many Sources

Volatile Organic Compounds (VOCs) have many sources, and they have effects on ecology and human health, which has aroused extensive attentions of many researchers. The Chinese and other countries studies in VOCs in atmosphere focused on detecting concentrations and compositions, sources apportionment, secondary pollutants transformation, health effects and other aspects. In the present paper, VOCs level in atmosphere, distribution characteristics and sources apportionment of VOCs in atmosphere were reviewed, the current studies results of VOCs in atmosphere were summarized.

scholarly journals A comprehensive study of volatile organic compounds from the actual emission of Chinese cooking

2021 ◽  
Author(s):  
Chengyi Sun ◽  
Liyun Zhao ◽  
Xue Chen ◽  
Lei Nie ◽  
Aijun Shi ◽  
...  
Keyword(s):  
Volatile Organic Compounds ◽  
Organic Compounds ◽  
Hazard Index ◽  
Gaseous Pollutants ◽  
Catering Industry ◽  
Current Perspective ◽  
Ozone Formation Potential ◽  
Volatile Organic ◽  
High Hazard ◽  
Main Components

Abstract China’s current perspective for big cities were filled with great population, great number of restaurants, growing gaseous pollutants and great pollution. Volatile organic compounds (VOCs) were main components of catering industry gaseous pollutants. In this study, we collected and analyzed VOCs from Home cooking (HC), Sichuan and Hunan cuisine (S&H), Shandong cuisine (SD), Anhui cuisine (AH), Beijing cuisine (BJ) and Barbecue (BBQ). The result showed that BBQ gave the highest VOCs concentration (6287.61 µg•m− 3), followed by HC (1806.11 ± 2401.85 µg•m− 3), SD (2238.55 ± 2413.53 µg•m− 3), AH (1745.89 µg•m− 3), S&H (1373.58 ± 1457.45 µg•m− 3) and BJ (288.81 µg•m− 3). The abundance of alkane was higher among BBQ, Anhui Cuisine and HC with the proportion from 33–71%. SD contained higher halohydrocarbons proportion (33%). BJ characterized by high-oxygenated volatile organic compounds proportion (50%). The ozone formation potential (OFP) of BBQ was much greater than other cuisines. The degree of stench pollution from cooking VOCs of HC was 17.51 ± 16.95, followed by S&H (15.77 ± 16.85), SD (15.12 ± 14.17), AH (16.29), BBQ (2.58) and BJ (1.81). Benzene had highest life cancer risk (LCR) in SD (2.11⋅10− 5 ± 3.12⋅10− 5), following HC (4.50⋅10− 6 ± 3.83⋅10− 6) and S&H (4.08⋅10− 6 ± 4.49⋅10− 6). Acrolein had a high hazard index (HI) in HC (789.81 ± 768.77), following AH (728.78), S&H (689.89 ± 776.07), SD (664.29 ± 648.77), BBQ (65.93) and BJ (62.84).

scholarly journals Identification of gas-phase pyrolysis products in a prescribed fire: first detections using infrared spectroscopy for naphthalene, methyl nitrite, allene, acrolein and acetaldehyde

2019 ◽  
Vol 12 (1) ◽  
pp. 763-776 ◽  
Author(s):  
Nicole K. Scharko ◽  
Ashley M. Oeck ◽  
Russell G. Tonkyn ◽  
Stephen P. Baker ◽  
Emily N. Lincoln ◽  
...  
Keyword(s):  
Gas Phase ◽  
Prescribed Fire ◽  
Wildland Fire ◽  
Pyrolysis Products ◽  
Prescribed Burns ◽  
Methyl Nitrite ◽  
Spectral Components ◽  
Volatile Organic ◽  
Pine Stands ◽  
Many Sources

Abstract. Volatile organic compounds (VOCs) are emitted from many sources, including wildland fire. VOCs have received heightened emphasis due to such gases' influential role in the atmosphere, as well as possible health effects. We have used extractive infrared (IR) spectroscopy on recent prescribed burns in longleaf pine stands and herein report the first detection of five compounds using this technique. The newly reported IR detections include naphthalene, methyl nitrite, allene, acrolein and acetaldehyde. We discuss the approaches used for detection, particularly the software methods needed to fit the analyte and multiple (interfering) spectral components within the selected spectral micro-window(s). We also discuss the method's detection limits and related parameters such as spectral resolution.

Source apportionment of particulate matter, gaseous pollutants, and volatile organic compounds in a future smart city of India

Urban Climate ◽  
2019 ◽  
Vol 28 ◽  
pp. 100470 ◽  
Author(s):  
Manish Yadav ◽  
Kusum Soni ◽  
Bhupendra Kumar Soni ◽  
Nitin Kumar Singh ◽  
Babu Ram Bamniya
Keyword(s):  
Particulate Matter ◽  
Volatile Organic Compounds ◽  
Source Apportionment ◽  
Organic Compounds ◽  
Smart City ◽  
Gaseous Pollutants ◽  
Volatile Organic
Sign in / Sign up

Export Citation Format

Share Document