Results 21 to 30 of about 287,328 (301)

Treatment of benzene, toluene, and xylene by deep oxidation on CuO catalytic materials synthesised from red mud and rice husk ash

Vietnam Journal of Science, Technology and Engineering, 2022
In this study, CuO-doped material fabricated from rice husk ash and red mud was modified by CeO2 promoter and urea using the impregnation method. The obtained samples were investigated for catalytic degradation of aromatic derivatives (benzene, toluene,
Thanh Tinh Nguyen, Phung Anh Nguyen, Thi Thuy Van Nguyen, Tri Nguyen, Ky Phuong Ha Huynh   +4 more
doaj   +1 more source

C1-C8 volatile organic compounds in the atmosphere of Hong Kong: Overview of atmospheric processing and source apportionment [PDF]

, 2007
We present measurements of C1-C8 volatile organic compounds (VOCs) at four sites ranging from urban to rural areas in Hong Kong from September 2002 to August 2003. A total of 248 ambient VOC samples were collected.
Barletta, B, Blake, DR, Guo, H, Meinardi, S, Simpson, IJ, So, KL   +5 more
core   +1 more source

Highly Selective, ppb-Level Xylene Gas Detection by Sn²⁺-Doped NiO Flower-Like Microspheres Prepared by a One-Step Hydrothermal Method

Sensors, 2019
Detecting xylene gas is an important means of avoiding human harm from gas poisoning. A precise measurement demands that the gas sensor used must have high sensitivity, high selectivity, and low working temperature.
Shaohe Lu, Xuefeng Hu, Hua Zheng, Junwen Qiu, Renbing Tian, Wenjing Quan, Xinjie Min, Peng Ji, Yewei Hu, Suishi Cheng, Wei Du, Xiaoqiang Chen, Beiliang Cui, Xiaorong Wang, Wei Zhang   +14 more
doaj   +1 more source

Traffic-Related Airborne VOC Profiles Variation on Road Sites and Residential Area within a Microscale in Urban Area in Southern Taiwan

Atmosphere, 2020
The sampling sites, including roadsides and residential areas, were set up to collect ambient air and determine the volatile organic species it contained.
Jiun-Horng Tsai, Yen-Ting Lu, I-I Chung, Hung-Lung Chiang   +3 more
doaj   +1 more source

Separation of isomeric xylenes by pervaporation through cellulose ester membranes [PDF]

, 1982
The interaction between the isomeric xylenes and different cellulose esters was investigated using solubility parameter considerations and through measurements of swelling values.
Kruitz, F., Mulder, M.H.V., Smolders, C.A.   +2 more
core   +4 more sources

Polyvinyl Acetate Film-Based Quartz Crystal Microbalance for the Detection of Benzene, Toluene, and Xylene Vapors in Air

Chemosensors, 2019
Vapors of volatile organic compounds such as benzene, toluene, and xylene (BTX) may cause health concerns. The sensitive detection of these compounds in air remains challenging.
Aditya Rianjanu, Siti A. Hasanah, Doni B. Nugroho, Ahmad Kusumaatmaja, Roto Roto, Kuwat Triyana   +5 more
doaj   +1 more source

Assessment of the contribution of TEX air pollutants from Nigeria’s petroleum refineries to the ambient air quality: Part II

Cogent Engineering, 2021
Environmental hazards associated with release of emission from petroleum refineries have caused serious concerns for the host communities. The study focused on the assessment of the contribution of Nigerian refineries to the ambient air quality.
Ebenezer Leke Odekanle, Chinchong Blessing Bakut, Abiodun Paul Olalekan, Roseline Oluwaseun Ogundokun, Charity O. Aremu, Jacob Ademola Sonibare, Oreoluwa Tabitha Akande, Adeniyi Tajudeen Olayanju, Bamidele Sunday Fakinle   +8 more
doaj   +1 more source

Global modeling of secondary organic aerosol formation from aromatic hydrocarbons: high- vs low-yield pathways [PDF]

, 2007
Formation of SOA from the aromatic species toluene, xylene, and, for the first time, benzene, is added to a global chemical transport model. A simple mechanism is presented that accounts for competition between low and high-yield pathways of SOA ...
Fu, T.-M., Heald, C. L., Henze, D. K., Jacob, D. J., Kroll, J. H., Ng, N. L., Seinfeld, J. H.   +6 more
core   +5 more sources

Impact of Melamine on the Weight of Specimens in Different Stages of Plastination: A Cross-sectional Cadaveric Studyc [PDF]

Journal of Clinical and Diagnostic Research
Introduction: Due to the lack of cadavers, anatomists across the nation are facing trouble in teaching. Plastinated specimens can be used to get around this deficiency and reliance. Aim: To assess the change in weight during plastination using melamine.
Kalpana Makhija, Shweta Asthana, Aarushi Jain, Sandhya mehra   +3 more
doaj   +1 more source

Assessing the effect of BTEX on blood and spirometry parameters staff in a petroleum refinery

Frontiers in Public Health, 2022
This study aimed to investigate the impact of BTEX compound on blood and spirometry parameters of staff in the Abadan petroleum refinery (Iran). In 80 staff was examined in terms of BTEX exposure (40 exposed and 40 non-exposed).
Samad Jalilian, Sima Sabzalipour, Maryam Mohammadi Rouzbahani, Ebrahim Rajabzadeh Ghatrami, Ebrahim Rajabzadeh Ghatrami, Leila Ibrahimy Ghavamabadi   +5 more
doaj   +1 more source