Soil pollution and remediation
1. Reactive dye extraction utilizing regenerated bleaching earth

M. Shahi; M.R. Sabour; G.A. Dezvareh

Volume 3, Issue 3 , Summer 2017, , Pages 299-310

http://dx.doi.org/10.22034/gjesm.2017.03.03.007

Abstract
  Bentonite bleaching earth is utilized for purifying used motor oil through a recovery process in order to improve the quality and stability of the final product. Indeed, spent bleaching earth is generated due to adsorbing oil impurities. Polluted spent bleaching earth contains 20-40% (w/w) oil and is ...  Read More