Comparison of sludge characteristics between lime and limestone/lime treatment of acid mine drainage

Earth & Environmental Sciences

• acid mine drainage 76%
• lime 60%
• limestone 50%
• sludge 49%
• comparison 27%
• neutralization 14%
• cost 10%
• filter cake 8%
• Argo 8%
• metal oxide 7%
• press 7%
• geological survey 6%
• savings 6%
• environmental protection agency 6%
• tunnel 5%
• school 5%
• cooperation 5%
• moisture 4%
• consumption 4%
• filter 4%
• water 2%

Engineering & Materials Science

• Limestone 75%
• Lime 74%
• Drainage 70%
• Acids 59%
• Geological surveys 10%
• Environmental Protection Agency 8%
• Reagents 7%
• Costs 7%
• Cones 6%
• Moisture 5%
• Oxides 5%
• Tunnels 5%
• Metals 4%
• Water 3%

Chemical Compounds

• Acid Mine Drainage 100%
• Neutralization 44%
• Volume 37%
• Filterability 35%
• Filtration 19%
• pH Value 18%
• Metal Oxide 18%
• Amount 9%
• Application 6%