Abstract:
E-waste are the electronic products which have been discarded by their owners after end of life. It consist of materials like as computer, keyboard, bulbs, wires, batteries, etc. E-waste contains hazardous materials such as lead, mercury, chromium in circuit board .Therefore it is necessary to manage the e-waste properly and recycled. The study review on recovery of copper from PCB board by using different acid waste , printed circuit board cut into small pieces and then washed it by using this different acid such as sulphuric acid , hydrochloric acid and nitric acid prepare the acid solution by using the acid recovery of copper is done . From the study it is observe that by using sulphuric acid(2.18h2SO4) higher amount of copper can be recover compare to other acid .E-waste can be used as a replacement of fine aggregate in concrete . They give the light weight concrete and good strength.
