oxygen at the bottom and approximately % pure nitrogen at the top. crude oxygen termed as rich liquid is then expanded through an expansion valve from the lower column to the middle of the upper column. crude nitrogen termed as poor liquid is expanded through another expansion valve from the top of...
oxygen at the bottom and approximately % pure nitrogen at the top. crude oxygen termed as rich liquid is then expanded through an expansion valve from the lower column to the middle of the upper column. crude nitrogen termed as poor liquid is expanded through another expansion valve from the top of...