Process for purifying waste gases of calcining furnaces

Process for recovering barite from drilling muds

Process for recovering bitumen from tar sands

Process for recovering copper sulphide from copper bearing...

Process for recovering gold and silver from refractory ores

Process for recovering gold from refractory sulfidic ores

Process for recovering hydrocarbons and heavy minerals from...

Process for recovering minerals and compositions for use in...

Process for recovering pyrochlore mineral containing niobium...

Process for recovering sorted plastic fractions

Process for recovering zinc sulphide from zinc sulphide...

Process for recovery of metallic mercury from contaminated...

Process for recovery of oil from minerals

Process for recovery of values from solid waste materials

Process for reducing solids in bituminous froths

Process for removing ash from coal

Process for removing inorganic impurities from coal

Process for removing magnetic particles from a suspension of...

Process for removing oil from oil sand

Process for removing solids from a gas containing the same