Dilivari App

The technology relates to an application that allows the efficient delivery of groceries ordered online by using a car lift service from general road drivers. Unlike existing delivery applications, this platform does increase the reliance on dedicated delivery vehicles but makes use of a network of

Acid Mine Drainage Treatment using Maghemite Nanoparticles

The invention relates to the use of maghemite nanoparticles at pH < 5 to remove sulphate, manganese, copper, nickel, cobalt and zinc metal ions from acid mine drainage (AMD). In a conventional way of AMD treatment, these pollutants are only removed at higher pH and requires costly alkaline chemicals