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Browsing International Symposium on Earth Resources Management and Environment by Subject "Acid leaching"

Browsing International Symposium on Earth Resources Management and Environment by Subject "Acid leaching"

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  • Extraction of rare earths from monazite in Pulmoddai deposit 
    Witharana, WPWS; Prabath, DHL; Madushanka, RS; Rohitha, LPS; Dissanayake, DMDOK [Conference-Full-text]
    Rear earth elements (REEs) have considerable demand in the world and higher market value due to various applications, emerging economies, and continuous depletion of rare earth (RE) metals. Monazite is a perfect source ...
  • Feasibility of extraction of cerium dioxide (CeO2) from monazite at Pulmoddai 
    Rasanjalee, PHAU; Delaksana, S; Sampath, MD; Dushyantha, NP; Batapola, NM; Dissanayake, DMDOK; Rohitha, LPS [Conference-Full-text]
    Monazite concentration in Pulmoddai mineral sand deposit in Sri Lanka is 1.38%. Its Rare Earth Elements (REE) composition is about 61%. Currently, only heavy minerals are separated and cerium rich monazite is discarded. ...
  • Hydrometallurgical approach to investigate the recovery potential of gold available in waste PCBS 
    Munagamage, SP; Wickramasinghe, BGWMDHK; Asvini, I; Dissanayake, DMDOK; Rohitha, LPS; Dushyantha, NP [Conference-Full-text]
    Gold is one of the highly demanded precious metals which have applications in jewellery, investment, electronic and medical industries due to its unique chemical and physical characteristics. Although the demand for gold ...
  • Selective precipitation of lanthanum and neodymium oxides from pulmoddai monazite, sri lanka 
    Udayakantha, KGI; Chameera, SADK; Kulogin, S; Rohitha, LPS; Dissanayake, DMDOK [Conference-Abstract]
    Pulmoddai is the largest known deposit of heavy mineral sand in Sri Lanka. Because of the high concentration of Rare earth elements (REEs), Pulmoddai deposit’s value is considered to be economically enhanced by extracting ...