GOALI: Novel Tailoring of Granular Activated Carbon for Removing Organic Odorants and Other Targeted Organic Compounds

GOALI：用于去除有机气味剂和其他目标有机化合物的新型颗粒活性炭定制

• 批准号: 0202177
• 负责人: Fred Cannon
• 金额: $ 30万
• 依托单位: Pennsylvania State Univ University Park
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-09-01 至 2005-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0202177&HistoricalAwards=false
• 关键词: GOALI; Novel; Tailoring; Granular; Activated

0202177 Cannon The objective of this research is to develop granular activated carbons tailored for the removal of organic taste and odor compounds from water. In particular, methyl isoborneol (MIB) and geosmin impart musty tastes and odors to drinking water even when they occur at concentrations as low as 5-10 parts per trillion; although these compounds pose no health risks, their presence invariably causes complaints and safety concerns among consumers. Activated carbon adsorption offers an important approach for removing geosmin, MIB and other odorants. The research will be conducted in three sequential tasks: (1) fundamentals-oriented bench scale testing, including methane-steam thermal treatments of the carbon with characterization of diffusion rates versus reaction rates during thermal treatment, (2) coordination with pilot-scale manufacture of the tailored GAC and (3) pilot scale evaluation at a municipal water treatment facility. The research will test the hypothesis that, using a methane-steam heat treatment process, increased odorant removal corresponds to increased pore volume, decreased surface acidity and increased graphene plane elongation. If successful, this project will result in activated carbons tailored to the effective removal of MIB, geosmin and other organic compounds. This project is supported under the GOALI program of NSF; the PIs will work closely with NORIT Americas, Inc. in the developmental work and with the Passaic Valley Water Commission (NJ) in the pilot-scale evaluations.

本研究的目的是开发专门用于去除水中有机味道和气味化合物的颗粒活性炭。特别是甲基异龙脑（MIB）和土臭素，即使它们的浓度低至万亿分之一的5-10倍，也会给饮用水带来霉味和气味；虽然这些化合物不构成健康风险，但它们的存在总是引起消费者的投诉和安全担忧。活性炭吸附是去除土臭素、MIB等气味剂的重要途径。该研究将分三个顺序进行：(1)以基础为导向的实验规模测试，包括碳的甲烷蒸汽热处理以及热处理过程中扩散速率和反应速率的表征；(2)协调定制GAC的中试生产；(3)在市政水处理设施进行中试评估。该研究将验证一个假设，即使用甲烷蒸汽热处理工艺，增加的气味去除对应于增加的孔隙体积，降低的表面酸度和增加的石墨烯平面伸长。如果成功，该项目将产生适合于有效去除MIB、土臭素和其他有机化合物的活性炭。本项目由国家自然科学基金GOALI项目资助；pi将在开发工作中与NORIT Americas公司密切合作，并在试点规模的评估中与Passaic Valley Water Commission （NJ）密切合作。