2024 Ozone formation potential ofp

Ozone formation potential ofp

Author: uwdu

August undefined, 2024

WebJul 21, 2024 · The O3 formation potential (OFP) scale has been extensively used to quantify the relative effects of individual VOCs on O3 formation and to aid in the development of … WebMay 26, 2024 · In this study, we investigated the profiles; benzene, toluene, ethylbenzene, and xylene (BTEX) ratios; ozone formation potential (OFP); and secondary organic aerosol (SOA) formation potential of VOCs generated by coal-utilizing steel plants, power plants, coking plants, and residential stoves in northern China. Among the detected VOCs, the ...

Review and meta-analysis of recent life cycle ... - ScienceDirect

WebIn this study, the ambient concentrations of volatile organic compounds (VOCs) were intensively measured from January 2012 to December 2016 using an evacuated canister and were analyzed using a gas chromatography/mass spectrophotometer (GC/MS) based on the US EPA TO-15 in the community and industrial areas of the largest petroleum … WebThe ozone formation potential (OFP) results showed that alkenes, aromatics and oxygenated VOCs (OVOCs) were dominant contributors, together sharing 81.4% of total calculated OFPs. Ethene ranked the largest OFP contributor at all six sites. ... and that VOCs from industrial emissions and gasoline exhaust were the key precursors for ozone … hsbc investment rates

Emission factor, relative ozone formation potential and relative ...

Web15 hours ago · Ozone is an ambient air pollution that does not have direct emission but is produced through a series of complex reactions involving carbon monoxide, methane, and nitrogen dioxide (Ojha et al., 2024). ... In addition to model 2, model 3 adjusted for hypertension, diabetes, and dyslipidaemia. To identify potential susceptible populations … WebSep 15, 2024 · The O 3 formation potential (OFP) and secondary organic aerosol formation potential (SOAP) are widely used to evaluate the relative contributions of VOC species … hobby kids adventures wiki

Emission Characteristics of Volatile Organic Compounds …

The effect of ozone short-term exposure on flow-mediated dilation …

WebMar 31, 2024 · The results showed that alkenes and aromatics were the most active species performing a key function in the ozone formation, accounting for 43.9–90.7% of the Pro … Web本研究采用最大增量反应性（Maximum Ozone Reactivity，MIR）来计算VOCs的O3生成潜势（Ozone Formation Potentials，OFP）和计算大气VOCs与OH自由基的反应速率（OH）来衡量各物种和各类VOCs的化学活性，计算参数来自邵敏等[3]的研究，具体计算方法如下： ... hsbc investment home loanWebNov 10, 2024 · The ozone formation in Chinese metropolitan areas is usually limited by volatile organic compounds (VOCs) that include a large variety of species. Evaluating the reactivity of individual VOC species and their effects on ozone formation has been hindered due to the lack of localized Maximum Incremental Reactivity (MIR) values. hobby kids adventures plush

"WebMar 12, 2024 · Following the growth in total NMVOC emissions, the corresponding ozone formation potential (OFP) increased form 38.2 Tg-O3 in 1990 to 99.7 Tg-O3 in 2024. We estimated that aromatics accounted for... " - Ozone formation potential ofp

Ozone formation potential ofp

Ozone Therapy in the Prevention of Dental Plaque Formation in …

WebBiofilm formation in food processing environment and within equipment increases the risk of product spoilage and contamination with pathogens. Cleaning-in-place (CIP) operations are useful in removing soils and in sanitizing processing equipment, including eliminating biofilms. However, CIP is a resource-intensive process, particularly in the usage of … WebJul 21, 2024 · The O3 formation potential (OFP) scale has been extensively used to quantify the relative effects of individual VOCs on O3 formation and to aid in the development of cost-effective control strategies (Carter and Atkinson, 1989; Chang and Rudy, 1990).

Did you know?

WebOct 21, 2024 · The results showed that the average concentrations of TVOCs at CS and IS were 49.1 ± 14.4 and 28.4 ± 9.6 ppb, respectively, with higher levels in autumn compared to those in spring and summer. Alkene species contributed the largest to the OH radical loss rate (LOH) and ozone formation potential (OFP). WebApr 19, 2024 · In order to evaluate the impact of the VOC species on ozone formation, the ozone formation potentials (OFP) of each VOC species was calculated by multiplying the emissions by its corresponding maximum increment reactivity (MIR) factor (Carter and Atkinson 1987; Carter 1994; Russell et al. 1995 ).

WebDec 31, 2024 · The ozone formation potential (OFP) of VOCs was estimated by the maximum incremental reactivity (MIR). The result showed that the total anthropogenic emission amount of VOCs in Jiangsu Province was 1927.8 kt in 2015. Fossil fuel combustion, industrial processes, solvent utilization, biomass burning, vehicles, and … WebJul 12, 2024 · Following the growth in total NMVOC emissions, the corresponding ozone formation potential (OFP) increased from 38.2 Tg of O3 in 1990 to 99.7 Tg of O3 in 2024. We estimated that aromatics...

WebBiofilm formation in food processing environment and within equipment increases the risk of product spoilage and contamination with pathogens. Cleaning-in-place (CIP) operations … WebOct 27, 2024 · Ozone formation potential (OFP) and health risk assessment were introduced to estimate the influence of fugitive VOC emissions from the petrochemical industry on surrounding tropospheric photochemical contamination and workers’ health risks due to VOC exposure. Calculation of ozone formation potential

WebThe calculated ozone formation potential (OFP) of each VOC species is used to characterize the maximum contribution of the species to ozone formation (Bufalini and Dodge, 1983). …

WebMay 4, 2024 · The action of ozone on Staphylococcus, Streptococcus and Porphyromonas species has been described in humans. 13-15 These microorganisms are also identified in dogs’ oral microbiota. 28, 30-33 It is assumed that some of the beneficial ozone therapeutic ointment action in dogs’ plaque formation may include reduction in the release of ... hobby kids adventures season 2Web4.14.4.1.2 Ozone depletion potential. The concept of ozone depletion potential (ODP) is widely used (Wuebbles et al., 1983; Solomon and Albritton, 1992) as a measure of the … hobby kids adventures fanartWebNov 23, 2024 · Ozone formation potential (OFP) estimates the contribution of individual VOC species to ozone formation. Developing control strategies for VOC emission sources requires considering not only the emission amount of VOCs but also the chemical … Sustainable Environment Research operates a single-blind peer-review … After acceptance, we provide support so your article gains maximum impact in the … hobbykids adventures castWebMay 3, 2024 · Ozone formation potential (OFP) is a parameter that has been widely used to describe the role of individual VOCs in tropospheric ozone formation. To evaluate the … hobby kids adventures charactersWebBetween 9 July and 19 August 2016, the air concentrations of 57 volatile organic compounds (VOCs) were measured in Shandong Province, eastern China. Seven sampling … hobby kids adventures logoWebThe objective of this study was to reduce the effects of cryoinjury caused in bovine semen by cryopreservation. Ejaculates were collected from Nellore bulls and subjected to freezing in C (control), ozone (15, 30, and 60 µg mL-1 of ozone), quercetin (25, 50, and 100 µg mL-1 of quercetin), and carnosine groups (100, 200, and 300 ng mL-1 of carnosine). hobby kayaks 10ft and 12ft fishingWebJul 12, 2024 · OFP is a widely used scale to investigate the potential ozone production due to emissions of NMVOCs and has been applied to guide the establishment of most cost-effective ozone mitigation measures (e.g., Song et al., 2007; Zheng et al., 2009). hsbc investment home loan rates