Process-based VOCs source profiles and contributions to ozone formation and carcinogenic risk in a typical chemical synthesis pharmaceutical industry in China

Cheng, Nana; Jing, Deji; Zhang, Cheng; Chen, Ziwei; Li, Wei; Li, Sujing; Wang, Qiaoli

doi:10.1016/j.scitotenv.2020.141899

Cited by 64 publications

(27 citation statements)

References 20 publications

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“…This study 1000-19,700 µg/m 3 m/p-Xylene, Trimethylbenzene, Dodecane 49.04-89.79% Solvent [42] -Ethylene, Undecane, Benzene, Ethylbenzene, m/p-Xylene 12.91-47.48% Petrochemical [43] 99.5-95,253.0 µg/m 3 Undecane, Benzene, Toluene, n-pentane, cis-2-butene 2.8-60.0% Coking [44] 690.29-62,651.59 µg/m 3 Ethylene, Ethane, Benzene, Toluene, Naphthalene 12.93-93.81% Pharmaceutical [45] 827-33,700 µg/m 3 Toluene, Dichloromethane, Ethanol, Methanol 67.8-95.3%…”

Section: Emission Source Concentration Of Tvocs Major Species the Pro...mentioning

confidence: 99%

Emission Characteristics and Health Risks of Volatile Organic Compounds (VOCs) Measured in a Typical Recycled Rubber Plant in China

Wang

Yan

Gao

et al. 2022

IJERPH

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The continued development of the automotive industry has led to a rapid increase in the amount of waste rubber tires, the problem of “black pollution” has become more serious but is often ignored. In this study, the emission characteristics, health risks, and environmental effects of volatile organic compounds (VOCs) from a typical, recycled rubber plant were studied. A total of 15 samples were collected by summa canisters, and 100 VOC species were detected by the GC/MS-FID system. In this study, the total VOCs (TVOCs) concentration ranged from 1000 ± 99 to 19,700 ± 19,000 µg/m3, aromatics and alkanes were the predominant components, and m/p-xylene (14.63 ± 4.07%–48.87 ± 3.20%) could be possibly regarded as a VOCs emission marker. We also found that specific similarities and differences in VOCs emission characteristics in each process were affected by raw materials, production conditions, and process equipment. The assessment of health risks showed that devulcanizing and cooling had both non-carcinogenic and carcinogenic risks, yarding had carcinogenic risks, and open training and refining had potential carcinogenic risks. Moreover, m/p-xylene and benzene were the main non-carcinogenic species, while benzene, ethylbenzene, and carbon tetrachloride were the dominant risk compounds. In the evaluation results of LOH, m/p-xylene (25.26–67.87%) was identified as the most key individual species and should be prioritized for control. In conclusion, the research results will provide the necessary reference to standardize the measurement method of the VOCs source component spectrum and build a localized source component spectrum.

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Section: Emission Source Concentration Of Tvocs Major Species the Pro...mentioning

confidence: 99%

Emission Characteristics and Health Risks of Volatile Organic Compounds (VOCs) Measured in a Typical Recycled Rubber Plant in China

Wang

Yan

Gao

et al. 2022

IJERPH

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“…Zhong et al compiled VOCs source profiles from the surface painting industry in the Pearl River Delta region of China and found toluene and m/p-xylene were the major species in each of these six sectors (Zhong et al, 2017). Recently, some researchers found emission profiles of some industries were process-oriented and established the process-based VOCs source profiles (Mo et al, 2015;Cheng et al, 2021). They pointed out the refined VOCs source profiles were more conducive to identifying emission characteristics and developing effective control strategies.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

“…For high concentrations samples, the pre-detections of the total VOCs concentration were firstly made to ensure the appropriate dilution ratio. Since the concentration of different VOCs in a sample sometimes differ greatly, there were different dilution ratio for quantifying different VOCs (Cheng et al, 2021).…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Process-based VOCs Source Profiles and Contributions to Ozone Formation in Typical Organic Solvent-used Industries in Hangzhou

Zhou

et al. 2021

Aerosol Air Qual. Res.

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The solvent-used industry plays an important role in volatile organic compounds (VOCs) emission, which has caused an increasing concern. Herein, VOCs samples collected before and after treatments from the painting industry, printing industry and dyeing & printing industry in Hangzhou were measured. Then, the VOCs removal efficiencies of different treatments were detailedly investigated. Among them, hightemperature incineration technology achieved the highest VOCs removal efficiency, averaging 93.0%. Process-based source profiles suggested that aromatics and alkanes accounted for more than 76.5% of VOCs, mainly including toluene, styrene, n-decane, n-undecane and n-dodecane. Furthermore, the ozone formation potentials (OFPs) based on processes suggested that toluene, meta-xylene, n-butene, styrene and ortho-xylene should be preferentially controlled to reduce the OFPs in painting industry and printing & dyeing industry. For printing industry, the contributions of top five species to the OFPs were relatively balanced, which indicated these species should all be given more attention. Finally, the low-temperature plasma technology and the combined

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“…5,6 More importantly, toluene emission is a kind of unorganized emission, typically characterized by low temperature and low concentration. 7,8 Compared with the absorption method, the incineration method, photocatalysis, etc., the catalytic combustion method has attracted researcher's attention due to its high efficiency and no secondary pollution, 9 which is the most effective way to remove low-concentration toluene.…”

Section: Introductionmentioning

confidence: 99%

Insights into the role of strontium in catalytic combustion of toluene over La_1−xSr_xCoO₃ perovskite catalysts

Liu

Yang

Tian

et al. 2022

Phys. Chem. Chem. Phys.

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Process-based VOCs source profiles and contributions to ozone formation and carcinogenic risk in a typical chemical synthesis pharmaceutical industry in China

Cited by 64 publications

References 20 publications

Emission Characteristics and Health Risks of Volatile Organic Compounds (VOCs) Measured in a Typical Recycled Rubber Plant in China

Emission Characteristics and Health Risks of Volatile Organic Compounds (VOCs) Measured in a Typical Recycled Rubber Plant in China

Process-based VOCs Source Profiles and Contributions to Ozone Formation in Typical Organic Solvent-used Industries in Hangzhou

Insights into the role of strontium in catalytic combustion of toluene over La_1−xSr_xCoO₃ perovskite catalysts

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Process-based VOCs source profiles and contributions to ozone formation and carcinogenic risk in a typical chemical synthesis pharmaceutical industry in China

Cited by 64 publications

References 20 publications

Emission Characteristics and Health Risks of Volatile Organic Compounds (VOCs) Measured in a Typical Recycled Rubber Plant in China

Emission Characteristics and Health Risks of Volatile Organic Compounds (VOCs) Measured in a Typical Recycled Rubber Plant in China

Process-based VOCs Source Profiles and Contributions to Ozone Formation in Typical Organic Solvent-used Industries in Hangzhou

Insights into the role of strontium in catalytic combustion of toluene over La1−xSrxCoO3 perovskite catalysts

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Insights into the role of strontium in catalytic combustion of toluene over La_1−xSr_xCoO₃ perovskite catalysts