Permeable reactive barriers for manufactured gas plants and related sites: Performances achieved and outlook

Publikation: Beiträge in ZeitschriftenKonferenz-Abstracts in FachzeitschriftenForschungbegutachtet

Authors

An overall analysis of several permeable reactive barriers (PRBs) which have been in operation at manufactured gas plants (MGPs) and related sites for over five years has been implemented. It was found that virtually all of them are performing well, or even perfectly, over time. Especially in Europe, 'efficiently controllable' PRBs (EC-PRBs), packed with granular activated carbon (GAC) to treat polycyclic aromatic hydrocarbons (PAHs) and benzene, toluene, ethylbenzene and xylenes (BTEX), have successfully been operated for over five years. This contribution covers the main results. Major overall conclusions from the work of the German PRB research and development (R&D) network 'RUBIN', and from the work in the recently published French, UK and German PRB handbooks and guidelines are included. In Europe, EC-PRBs such as in situ vessels (ISV) or modified F&G technologies ('non-classical' F&G) are the preferred solutions, in comparison to continuous reactive barriers (CRBs) in the US. The criteria supporting the first technological option are that the PRB can be configured to suit site-specific features, and that monitoring and maintenance can be controlled more effectively. Some companies propose a maintenance strategy based on annual operations that can range from simple clearing of clogged sections to replacement of the reactive medium (particularly recommended for barriers based on the adsorption principle). This approach can only be considered if the design of the barrier allows easy access to the treatment reactor and is sometimes backed up by guarantees on the performance of the barrier, usually over periods of 10 or 30 years. Although the PRB concept first emerged in North America, our study shows that European projects have also played a part in the development of this technology. After projects in 1994 (A22 motorway, France) and 1995 (Belfast, UK), the technique was developed in 1996 and began to take off in 1998 (first PRBs in Germany), however with a focus on zero valent iron (ZVI) PRBs to treat chlorinated volatile organic hydrocarbons (cVOC). Nevertheless, it must be stressed that, despite the fact that PRBs at former MGPs employing GAC to treat PAHs, BTEX, cyanides etc. represent a minority of all PRBs (around 10% of approximately 120 PRB sites worldwide), they have constantly performed well over time, in comparison to a considerable number of ZVI barriers at cVOC sites, which did not. Hence, EC-PRBs packed with GAC seem to have a bright future for application at numerous MGPs worldwide, especially in Europe.

OriginalspracheEnglisch
ZeitschriftLand Contamination and Reclamation
Jahrgang14
Ausgabenummer2
Seiten (von - bis)634
Anzahl der Seiten1
ISSN0967-0513
PublikationsstatusErschienen - 04.2006

Zuletzt angesehen

Publikationen

  1. Project-Mentoring
  2. Capital structure decisions of globally-listed shipping companies
  3. Schöner leben
  4. Artikel 46 EUV [Ständige Strukturierte Zusammenarbeit]
  5. Demokratische Repräsentationsprinzipien in Mittelosteuropa
  6. Voluntary Corporate Health Promotion as Strategic Function of HRM
  7. Ein Blick in die Werkstatt
  8. Alltag in den Medien - Medien im Alltag
  9. "Mehr Netflix als Schulenglisch" Sprachliche Ressourcen junger Deutschchilenen
  10. Book Review: Organizations: A Systems Approach, S. Kühl. Farnham: Gower Publishing, 2013. 195 pp. ISBN 9781472413413.
  11. Emissions of polychlorinated biphenyls in Switzerland
  12. Disentangling the practice of landscape approaches
  13. Artikel 28 AEUV [Zollunion]
  14. Management Roles and Sustainability Information
  15. „Sweet little lies“
  16. Woody plant species diversity as a predictor of ecosystem services in a social–ecological system of southwestern Ethiopia
  17. Der "fachdidaktische Code" der Lebenswelt- und/oder (?) Situationsorientierung in der fachdidaktischen Diskussion der sozialwissenschaftlichen Unterrichtsfächer sowie des Lernfeldkonzepts
  18. Effect of rotational speed and double-sided welding in friction stir–welded dissimilar joints of aluminum alloy and steel
  19. § 352 Aufrechnung nach Nichterfüllung
  20. Regional Institutional Design
  21. Let`s put the person back into entrepreneurship research
  22. Collective Litigation in German Civil Procedure
  23. Gamifikation im Tourismus
  24. Materialbereitstellung in der Montage
  25. How Citizen Entrepreneurship Works
  26. Organisation fur wirtschaftliche Zusammenarbeit und Entwicklung (OECD)
  27. Government popularity and the economy
  28. Education and Training
  29. Website Premia for Extensive Margins of International Firm Activities: Evidence for SMEs from 34 Countries
  30. Pop Insights.
  31. Hochwasser- und Naturschutz in der nachhaltigen Regionalentwicklung
  32. Artikel 40 EUV [Kompetenzabgrenzung]
  33. Wie wirkt die FDS-Intervention auf die Entwicklung des Emotionswissens der Kinder?
  34. Company directors: foreign disqualification etc