Inorganic Reaction Mechanisms in the Global Sulfur Cycle

全球硫循环中的无机反应机制

• 批准号: 9319400
• 负责人: William Trogler
• 金额: $ 23.48万
• 依托单位: University of California-San Diego
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1994
• 资助国家: 美国
• 起止时间: 1994-06-15 至 1997-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9319400&HistoricalAwards=false
• 关键词: Inorganic; Reaction; Mechanisms; Global; Sulfur

ABSTRACT CHE-9319400 PI: Trogler Inst: U of Cal San Diego With this grant, the Inorganic, Bioinorganic, and Organometallic Chemistry Program supports research on reactions of carbon disulfide and carbonyl sulfide relevant to their behavior in the atmospheric sulfur cycle by Dr. William C. Trogler of the Chemistry Department, University of California at San Diego. Photoinduced oxidation with molecular oxygen, solution hydrolysis reactions including photochemistry, and catalytic oxidation by metal oxide components of aerosols will be investigated. Carbonyl sulfide, a regulated emission product, is an impurity in refinery and synthesis gas which can cause technical problems as a catalyst poison. Carbon disulfide is a neurotoxic byproduct of the production of rayon and carbon black. The fundamental chemistry of these atmospheric gases will be better characterized in order to understand the atmospheric sulfur cycle. In addition, their role in the production of stratospheric sulfate aerosols, which effect solar reflectivity and have been linked to global ozone depletion, will be examined.

摘要CHE-9319400 PI：Trogler Inst：U of Cal San Diego利用这笔赠款，无机、生物无机和有机金属化学计划支持加州大学圣地亚哥分校化学系的William C.Trogler博士对二硫化碳和羰基硫化物的反应与它们在大气硫循环中的行为相关的研究。将研究分子氧光诱导氧化，包括光化学在内的溶液水解反应，以及气溶胶中金属氧化物组分的催化氧化。羰基硫化物是炼油厂和合成气中的一种杂质，是一种受管制的排放产品，是一种催化剂毒物，会造成技术问题。二硫化碳是人造丝和炭黑生产过程中产生的一种具有神经毒性的副产品。为了更好地了解大气硫循环，将更好地表征这些大气气体的基本化学成分。此外，还将审查它们在平流层硫酸盐气溶胶产生中的作用，这种气溶胶影响太阳反射率，并与全球臭氧消耗有关。