TY - JOUR
T1 - Pretreatment and utilization of waste incineration bottom ashes
T2 - Danish experiences
AU - Astrup, Thomas
PY - 2007
Y1 - 2007
N2 - Within recent years, researchers and authorities have had increasing focus on leaching properties from waste incineration bottom ashes. Researchers have investigated processes such as those related to carbonation, weathering, metal complexation, and leaching control. Most of these investigations, however, have had a strong emphasis on lab experiments with little focus on full scale bottom ash upgrading methods. The introduction of regulatory limit values restricting leaching from utilized bottom ashes, has created a need for a better understanding of how lab scale experiences can be utilized in full scale bottom ash upgrading facilities, and the possibilities for complying with the regulatory limit values. A range of Danish research and development projects have within 1997-2005 investigated important techniques for bottom ash upgrading. The primary focus has been placed on curing/aging, washing with and without additives, organic matter, sampling techniques, utilization options, and assessment tools. This paper provides an overview of these projects. The main results and experiences are discussed and evaluated with respect to bottom ash upgrading and utilization. Based on this discussion, development needs and potential management strategies are identified.
AB - Within recent years, researchers and authorities have had increasing focus on leaching properties from waste incineration bottom ashes. Researchers have investigated processes such as those related to carbonation, weathering, metal complexation, and leaching control. Most of these investigations, however, have had a strong emphasis on lab experiments with little focus on full scale bottom ash upgrading methods. The introduction of regulatory limit values restricting leaching from utilized bottom ashes, has created a need for a better understanding of how lab scale experiences can be utilized in full scale bottom ash upgrading facilities, and the possibilities for complying with the regulatory limit values. A range of Danish research and development projects have within 1997-2005 investigated important techniques for bottom ash upgrading. The primary focus has been placed on curing/aging, washing with and without additives, organic matter, sampling techniques, utilization options, and assessment tools. This paper provides an overview of these projects. The main results and experiences are discussed and evaluated with respect to bottom ash upgrading and utilization. Based on this discussion, development needs and potential management strategies are identified.
U2 - 10.1016/j.wasman.2007.03.017
DO - 10.1016/j.wasman.2007.03.017
M3 - Journal article
C2 - 17512719
SN - 0956-053X
VL - 27
SP - 1452
EP - 1457
JO - Waste Management
JF - Waste Management
ER -