The primary components are a vertical salt water bath, DC power supply, metal to etch, scrap steel approximately the same size, and a water agitator, which in this case is an air pump and diffuser ...

You're going to need etching cream (around $10-$15 a bottle), vinyl for making stencils, and some safety equipment like gloves and goggles. Learning how to work with these materials safely and ...

Abstract: In this paper, we investigate the potential of a High Efficiency Selective Electrochemical Cell (HESEC) to recover copper from a variety of semiconductor wastewater streams while also ...

1 Department of Mechatronic Engineering, Jomo Kenyatta University of Agriculture and Technology, Juja, Kenya. 2 Department of Mechanical, Energy and Industrial Engineering, Botswana International ...

Key Laboratory for Ultrafine Materials of Ministry of Education, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China Shanghai Engineering Research ...

School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A Raja SC Mullick Road, Kolkata, West Bengal 700032, India ...