Electroplating Composite Coatings of Nickel with Dispersed WO and MoO on Al Substrate to Increase Wear Resistance.

Investigations of the synthesis of multicomponent coatings and their subsequent application to metal substrates to increase the wear resistance of materials is relevant for industry. Nickel compounds obtained from oxidized magnesia-iron nickel ores with a desorption rate of more than 94% were used to create Ni-MoO-WO electroplating. Such composite samples formed from an aqueous alcohol solution reduced the content of sodium and ammonium chlorides.

Magnesium and silicon recovery from chrysotile asbestos waste of the deposit Zhitikara, Kazakhstan.

Waste generated during asbestos manufacturing contains substantial quantities of iron, nickel, magnesium, and silicon. The existing techniques for processing chrysotile-asbestos waste (CAW) cannot fully recover these elements. Therefore this paper presents a hydrometallurgical method for processing the CAW of the Zhitikara deposit in the Kostanay region of Kazakhstan.