Results 11 to 20 of about 159,511 (268)

Estimating Benzene Exposure Level over Time and by Industry Type through a Review of Literature on Korea

Safety and Health at Work, 2015
The major purpose of this study is to construct a retrospective exposure assessment for benzene through a review of literature on Korea. Airborne benzene measurements reported in 34 articles were reviewed.
Donguk Park, Sangjun Choi, Kwonchul Ha, Hyejung Jung, Chungsik Yoon, Dong-Hee Koh, Seunghun Ryu, Soogeun Kim, Dongmug Kang, Kyemook Yoo   +9 more
doaj   +1 more source

Investigation on Mn₃O₄ Coated Ru Nanoparticles for Partial Hydrogenation of Benzene towards Cyclohexene Production Using ZnSO₄, MnSO₄ and FeSO₄ as Reaction Additives

Nanomaterials, 2020
Mn3O4 coated Ru nanoparticles (Ru@Mn3O4) were synthesized via a precipitation-reduction-gel method. The prepared catalysts were evaluated for partial hydrogenation of benzene towards cyclohexene generation by applying ZnSO4, MnSO4 and FeSO4 as reaction ...
Xingai Liu, Zhihao Chen, Haijie Sun, Lingxia Chen, Zhikun Peng, Zhongyi Liu   +5 more
doaj   +1 more source

Biological Monitoring: Evidence for Reductions in Occupational Exposure and Risk

Frontiers in Toxicology, 2022
Aims: The aim of this publication is to explore occupational exposure trends from biological monitoring data collected over a period of more than 20 years.
Jackie Morton, Craig Sams, Elizabeth Leese, Fiona Garner, Shahwaiz Iqbal, Kate Jones   +5 more
doaj   +1 more source

The prediction of occupational health risks of benzene in the printing industry through multiple occupational health risk assessment models

Frontiers in Public Health, 2022
BackgroundBenzene poisoning is a common occupational poisoning event in the printing industries. Up to now there is still a lack of research data on risk assessment of benzene operations in enclosed workshops.
Bin Shi, Shibiao Su, Cuiju Wen, Tianjian Wang, Haijuan Xu, Ming Liu   +5 more
doaj   +1 more source

Estimation of Emission Factors for Hazardous Air Pollutants from Petroleum Refineries

Atmosphere, 2021
The hazardous air pollutants (HAPs) group is composed of 187 chemicals that are known to be potentially carcinogenic and dangerous for human health. Due to their toxicological impact, HAPs are an increasingly studied class of compounds.
Elisa Polvara, Luca Roveda, Marzio Invernizzi, Laura Capelli, Selena Sironi   +4 more
doaj   +1 more source

Synthesis and crystal structure of a new tetranuclear copper(II) complex based on the Schiff base (E)-2-[(2-hydroxy-5-methoxybenzylidene)amino]benzoic acid

Acta Crystallographica Section E: Crystallographic Communications
The title complex, bis{μ4-(E)-2-[(5-methoxy-2-oxidobenzylidene)amino]benzoato}bis{μ2-(E)-2-[(5-methoxy-2-oxidobenzylidene)amino]benzoato}tetracopper(II), [Cu4(C15H11NO4)4] or Cu4(L)4, was synthesized by the solvothermal reaction of (E)-2-[(2-hydroxy-5 ...
Dawei Li, Wanying Qi, Jingjing Wang, Haiyang Dong, Kuilin Lv, Kaige Shi   +5 more
doaj   +1 more source

Synthesis of Carbon Nanotubes from Benzene in a Fluidised Bed Reactor

Eurasian Chemico-Technological Journal, 2020
The paper presents the results of carbon nanotubes synthesis from benzene in fluidised bed reactor. Al2O3 spheres with iron and nickel nanoparticles coating were used as a catalyst for the synthesis of carbon nanotubes. To deposit nickel nanoparticles on
G. T. Smagulova, B. B. Kaidar, N. Yesbolov, N. G. Prikhodko, N. R. Maxumzhanova   +4 more
doaj   +1 more source

Ultrasonic treatment effects on hydroxyl radical generation in various solution systems: an iodometric analysis

Ultrasonics Sonochemistry
Hydroxyl radicals (•OH) are key reactive species in sonochemical processes; however, their generation is strongly dependent on the operating parameters and solution composition.
Yuanfang Liu, Yuanxiao Liu, Hailu Hou, Minghui Liu, Ying-Ying Li, Jinming Xu, Jiayu Guo   +6 more
doaj   +1 more source

A novel application of building demolition waste for removal benzene from aqueous solutions

Przegląd Naukowy Inżynieria i Kształtowanie Środowiska, 2021
A novel application of building demolition waste for removal benzene from aqueous solutions. In this research, demolition waste from buildings has been studied for possible use as benzene removal adsorbent from aquatic solution.
Saif S. Alquzweeni, Afrah A. Hassan, Rasha S. Alkizwini   +2 more
doaj   +1 more source

Treatment of benzene vapors from contaminated air stream in a laboratory-scale compost biofilter

Macedonian Journal of Chemistry and Chemical Engineering, 2009
Biofiltration of process waste–gas streams using microorganisms attached to porous support matrix, at low concentrations and high gas flow rates, has gained importance as a versatile treatment technology ever since the Clean Air Act Amendments (1990), by
Eldon R. Rene, D. V. S. Murthy, T. Swaminathan   +2 more
doaj   +1 more source