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Total 89 results found since Jan 2013.
Enhancement of combustion effect leading to improved performance and exhaust emissions of an SI engine with ferrous oxide and graphite nanoparticles
Environ Sci Pollut Res Int. 2023 Aug 8. doi: 10.1007/s11356-023-28556-z. Online ahead of print.ABSTRACTThe present study was conducted to investigate the effectiveness of new, less toxic, less harmful, and nonmetallic graphite (G) and metallic iron oxide (Fe2O3) nanofuel additives by analyzing experimentally their consequences on exhaust emissions and performance of an air cooled, single cylinder, 4-stroke gasoline engine. Fe2O3 and graphite nanoparticles at 40, 80, and 120 mg/l of gasoline concentrations were mixed with gasoline by means of a magnetic stirrer. Brake power (BP), brake-specific fuel consumption (BSFC), torq...
Source: Environmental Science and Pollution Research International - August 8, 2023 Category: Environmental Health Authors: Yasir Hussain Siddiqui Muhammad Shakaib Adnan Rasheed Hafiz Muhammad Ali Syed Mohammad Rizwan Azeem Athar Husain Siddique Muhammad Shafiq Source Type: research
A New Study Shows How Seriously Air Pollution Can Affect Your Heartbeat
For China’s 1.4 billion people, the simple act of breathing has long been something of a risk. Living in the ninth-dirtiest country in the world in terms of air quality, China’s residents lose an average of 2.6 years of life per capita due to atmospheric pollution alone. The greatest risk, of course, is pulmonary, with air pollution leading to shortness of breath, wheezing, coughing, asthma episodes, and chest pain. But pollution affects the heart too; the U.S. Environmental Protection Agency reports that exposure to fine-particulate matter as well as to nitrogen oxides alone can lead to premature aging in bloo...
Source: TIME: Health - May 1, 2023 Category: Consumer Health News Authors: Jeffrey Kluger Tags: Uncategorized climate change Climate Is Everything Environment healthscienceclimate Source Type: news
Study the effects of dimethyl carbonate as a fuel cetane improver on diesel engine emissions
AbstractIn this work, diesel engine emissions are studied by adding a cetane improver to the engine fuel. Dimethyl carbonate (DMC) additive is used as a cetane improver. A single-cylinder, four-stroke diesel engine is used to test the fuels. Three fuels are selected to run the engine, namely, biodiesel derived from neem oil + 1 vol% DMC (BD100 + 1DMC), BD100, and diesel. BD100 + 1DMC fuel emits a reduced amount of carbon monoxide and unburnt hydrocarbons compared to diesel under the same operating conditions of engine. The level of nitrogen oxides emission for BD100 + 1DMC is slightly higher compared to diese l a...
Source: Environmental Quality Management - April 17, 2023 Category: Environmental Health Authors: Sorakka Ponnappan Venkatesan,
K. Anbazhahan,
Korlepara Aditya Naga Lakshmi Venkat,
Hariprakash T.,
J. Hemanandh Tags: RESEARCH ARTICLE Source Type: research
Air pollution and headache disorders
Divyani Garg, Man Mohan Mehndiratta, Mohammad Wasay, Vasundhara AggarwalAnnals of Indian Academy of Neurology 2022 25(7):35-40
Air pollution, the most prevalent form of pollution worldwide, is associated with a wide range of neurological disorders, including neurodegenerative conditions, stroke, autism, depression, and developmental delay. There is accumulating evidence on the association between air pollution and headache disorders, especially migraine. Many classical and non-classical air pollutants have been associated with headache, including particulate matter, nitrogen dioxide, sulfur dioxide, ozone, carbon monoxide...
Source: Annals of Indian Academy of Neurology - September 7, 2022 Category: Neurology Authors: Divyani Garg Man Mohan Mehndiratta Mohammad Wasay Vasundhara Aggarwal Source Type: research
Ocular surface and outdoor air pollution: A systematic review
CONCLUSION: Air pollution control would appear essential, as well as the development of new studies based on reliable methods of studying the environmental and its clinical effects.PMID:35853756 | DOI:10.1016/j.jfo.2022.02.007
Source: Journal Francais d Ophtalmologie - July 19, 2022 Category: Opthalmology Authors: M Ehret A Sauer C Speeg-Schatz T Bourcier Source Type: research
Experimental investigation on sucrose/alumina catalyst coated converter in gasoline engine exhaust gas
In this study, a modified catalytic converter was employed to treat the harmful exhaust gas pollutants of a twin-cylinder, four-stroke spark-ignition engine. This research mainly focuses on the emission reduction of unburnt hydrocarbons, carbon monoxide, and nitrogen oxides at low light-off temperatures. A sucrolite catalyst (sucrolite) was coated over the metallic substrate present inside the catalytic converter, and exhaust gas was allowed to pass through it. A scanning electron microscope, X-ray diffraction, and Fourier transform infrared spectroscopy were used to investigate the changes in morphology, chemical compound...
Source: Environmental Science and Pollution Research International - May 13, 2022 Category: Environmental Health Authors: S Sathyanarayanan S Suresh C G Saravanan Samet Uslu Source Type: research
Association of short-term exposure to air pollution with recurrent ischemic cerebrovascular events in older adults
Int J Hyg Environ Health. 2022 Jan 16;240:113925. doi: 10.1016/j.ijheh.2022.113925. Online ahead of print.ABSTRACTThe acute effects of ambient air pollution on recurrence of ischemic cerebrovascular events (ICEs) remains largely unknown. We therefore conducted a time-stratified case-crossover study of 43,896 patients who were 60 years or older and were admitted to hospital for recurrent ICEs including ischemic stroke and transient ischemic attack in Guangzhou, China during 2016-2019. Based on each patient's home address and pollutant data from its neighboring air quality monitoring stations, we used an inverse distance wei...
Source: International Journal of Hygiene and Environmental health - January 19, 2022 Category: Environmental Health Authors: Ruijun Xu Qi Tian Wenfeng Lu Zhengyu Yang Yunshao Ye Yingxin Li Qiaoxuan Lin Yaqi Wang Zhaoyu Fan Tingting Liu Luxi Xu Xu Chen Chunxiang Shi Yun Zhou Yuewei Liu Source Type: research
Four stroke diesel engine performance and emission studies of ethanol recovered from Kappaphycus alvarezii reject -solid food waste mixed substrates and its blends
In this study, bioethanol (BE) is produced from Kappaphycus alverezii reject (KR) blended with Solid Food Waste (SFW). This bioethanol is blended with petroleum-based diesel (PBD) in the following proportions: 15%, 20% and 25% for further studies. Performance characteristics, specifically Brake Specific Fuel Consumption (BSFC), Brake Thermal Efficiency (BTE), Brake Power (BP) and exhaust emissions, mainly Carbon monoxide (CO), Carbon dioxide (CO2), Smoke Opacity (SO), hydrocarbons (HC) and oxides of Nitrogen (NOX) have been investigated. The blended test fuels show better results, which is confirmed by the performance char...
Source: Chemosphere - October 28, 2021 Category: Chemistry Authors: Priyadharsini P Dawn S S Arun J Source Type: research
The Association Between Ambient Air Pollution and Atrial Fibrillation
Int Heart J. 2021 Mar 6. doi: 10.1536/ihj.20-523. Online ahead of print.ABSTRACTAtrial fibrillation (AF) is the most common cardiac arrhythmia; it has been known to increase the risk of stroke and heart failure. The association between air pollutants and AF has remained to be controversial. Thus, in this study, we sought to undertake a systematic review and meta-analysis in order to assess the short- and long-term effects of ambient air pollution on AF.We searched PubMed, Web of Science, Embase, and Ovid for all related studies up to October 2019. We used the random-effects model to estimate the excess risk percentage (ER%...
Source: International Heart Journal - March 8, 2021 Category: Cardiology Authors: Miao Chen Jianqiang Zhao Chengui Zhuo Liangrong Zheng Source Type: research
