Chelating Agents Between Science, Industry, Authorities and Users: An International Conference, Ascona, Switzerland, March 11-16, 2007

0647003 VanBriesen该奖项提供资金，帮助美国科学家参加2007年3月11日至16日在瑞士阿斯科纳举行的螯合剂国际研讨会。近年来，螯合剂的环境归宿一直是人们感兴趣和关注的话题。螯合剂是与金属离子形成强的水溶性络合物的化合物。这影响了金属离子对生物体和其他生物地球化学过程的可用性。螯合剂用于许多工业和消费过程中。它们在环境中的存在可能导致沉积物中的金属重新流动，对饮用水构成潜在风险。许多螯合剂不容易生物降解，并且在环境中持续很长时间。由于这些方面，螯合剂在大多数国家都受到严格审查，并受到沉重的监管压力。研讨会将（i）讨论监管机构和科学家之间关于螯合剂对环境影响的看法的差异;（ii）确定螯合剂使用的趋势及其对环境的影响;（iii）讨论新的螯合剂及其潜在的环境影响。从科学、工业和监管角度对螯合剂的使用进行跨学科小组讨论，将导致制定关于这些问题的立场文件。讲习班将包括工业和法律的当局，并在科学和应用之间架起一座桥梁。讲习班应使人们更好地了解广泛使用螯合剂的潜在好处和关切。《环境污染》杂志将专门刊登讲习班论文选编。

0647003VanBriesenThis award provides funds to help U.S. scientists to attend an international workshop on chelating agents in Ascona, Switzerland, March 11-16, 2007. The environmental fate of chelating agents has been a topic of interest and concern in recent years. Chelating agents are compounds that form strong, water-soluble complexes with metal ions. This affects the availability of metal ions to organisms and for other biogeochemical processes. Chelating agents are used in many industrial and consumer processes. Their presence in the environment might lead to remobilization of metals from sediments, posing potential risks to drinking water. Many chelating agents are not readily biodegradable and persist for long times in the environment. Due to these aspects, chelating agents are under scrutiny in most countries and are under heavy regulatory pressure. The workshop will (i) discuss discrepancies between regulators and scientists concerning perceptions on the environmental implications of chelating agents; (ii) identify trends regarding use of chelating agents and their environmental implications; and (iii) discuss new chelating agents and their potential environmental impacts. Interdisciplinary group discussions on use of chelating agents from scientific, industrial, and regulatory perspectives will lead to the development of a position paper on these issues. The workshop will include industry and legal authorities and provide a bridge between science and applications. The workshop should produce a better understanding of the potential benefits and concerns related to widespread use of chelating agents. The journal Environmental Pollution will publish a special section with selected papers from the workshop.