Access Restriction

Author Ramachandran, P. ♦ Nandakumar, V. ♦ Venkateswaran, V.
Source CSIR-Central Electrochemical Research Institute
Content type Text
Publisher Central Electrochemical Research Institute
File Format PDF
Copyright Year ©2001
Language English
Subject Domain (in DDC) Natural sciences & mathematics ♦ Chemistry & allied sciences ♦ Physical chemistry
Subject Keyword Electrohydrometallurgy
Abstract Disposal of lead acid batteries has assumed importance with constant growth of automobile industries. Paste fraction of the battery waste is always an area of environmental concern. Pyrometallurgical operation currently employed causes emission of oxides of lead and particulate lead causing atmospheric pollution. Electrolytic route is investigated as an alternative. Anodic deposition of PbO2 is a major problem identified in the electrowinning of lead. Addition of certain soluble compounds of phosphorous or arsenic is found to inhibit PbO2 effectively. Levelling of lead deposit is another aspect of investigation. Addition of levelling agent and grain refiner in proper proportion avoids dendritic growth. Over potential measurement is found to be useful in monitoring the concentration of additives in the electrolyte during electrowinning of lead
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2001-01-01
Journal PeerReviewed