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Previous by Date: Subject: [DCHAS-L] Chemical Safety headlines (19 articles) Date: Monday, May 9, 2022 at 7:06:19 AM Author: Ralph Stuart <membership**At_Symbol_Here**DCHAS.ORG> |
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From ACS CH&S:
Review of Virtual Reality (VR) Applications To Enhance Chemical Safety: From Students to Plant Operators
https://pubs.acs.org/doi/10.1021/acs.chas.2c00006
Babji Srinivasan, Mohd Umair Iqbal, Mohammed Aatif Shahab, and Rajagopalan Srinivasan*
Human performance is critical to ensure safety and health in hazardous chemical settings, wherein the majority of the accidents have been attributed to human error. As a result, both industry and academia have been concerned about the efficacy of knowledge and skill transfer. Virtual reality (VR) technology is gaining attention as a way to improve human performance. In this paper, we review the literature on the applications of VR to chemical safety in laboratories and industries. Our review reveals that VR offers much potential for training lab users and plant operators as well as for bridging the theoretical knowledge‰??practical skills gap. However, there is a need to develop systematic approaches to measure the effectiveness in achieving the desired training outcomes. Therefore, in this paper, we discuss the best practices for VR-based training. We also stress the need to incorporate physiological sensors into the VR environment.
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(Graphic) Novel Approaches to Hazard Communication: Zombies and Beyond
https://pubs.acs.org/doi/10.1021/acs.chas.2c00023
Lauren Goulding, and Mary Beth Mulcahy
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From OPR&D:
Melting Effect on the Thermal Hazard of Anthraquinone Dyes Waste:
Based on the Thermal Decomposition Characteristics and Quantum Mechanics
https://pubs.acs.org/doi/10.1021/acs.oprd.1c00493
Wen-qian Wu, Ze-yuan Xia, Wang-hua Chen*, Li-ping Chen, Hua-bo Li, and Zi-chao Guo
Thermal decomposition of typical hazardous anthraquinone dye waste was tested through differential scanning calorimetry, and the interaction of the components was analyzed by the model-free method. The test results show that melting makes the solid-phase decomposition of 1,5-dinitroanthraquinone decrease as the activation energy is reduced by about 142.08 kJ/mol. The activation energy of the third step of decomposition of the mixture should be lowered. The spatial configuration of each substance was described based on quantum mechanics tools. The calculation results of the Laplace bond show that the middle ring bond is broken with detachment of the nitro group. The polynitro substance needs to remove the ‰??CO group and form a stable phenylacetylene group that can react with anthraquinone. The reactivity rating number under extreme fire conditions was simulated by the kinetic equation. It shows that the mixture without anthraquinone has a higher heat production rate and over!
all heat effects under high temperatures. The melting effect of anthraquinone will make the decomposition of the mixture become more stable except under elevated temperatures and pressures.
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