Phosphorus recovery from municipal sludge-derived hydrochar: Insights into leaching mechanisms and hydroxyapatite synthesis

H Liu, N Lyczko, A Nzihou, C Eskicioglu - Water research, 2023 - Elsevier
Hydrothermal liquefaction has the potential to exploit resources from municipal sewage
sludge. It converts most organics into a liquid biofuel (biocrude), concentrates P in the solid …

Leaching of phosphorus from phosphate tailings and extraction of calcium phosphates: Toward comprehensive utilization of tailing resources

Y Yu, C Du - Journal of Environmental Management, 2023 - Elsevier
Phosphate tailing is an extremely fine by-product during phosphate ore flotation. Due to the
large quantities and relatively higher P 2 O 5 content, the phosphate tailings have been …

Extraction of rare earth elements from waste products of phosphate industry

A Soukeur, A Szymczyk, Y Berbar, M Amara - Separation and Purification …, 2021 - Elsevier
Rare earths are critical elements in our modern societies and the ever-increasing demand
raises fears of supply risks in the coming years. This work dealt with the feasibility of …

Leaching and solvent extraction purification of zinc from Mehdiabad complex oxide ore

F Soltani, H Darabi, R Aram, M Ghadiri - Scientific Reports, 2021 - nature.com
An integrated hydrometallurgical process was used for the zinc leaching and purification
from a zinc ore containing 9.75 wt% zinc. The zinc minerals in the ore were hemimorphite …

Optimization of intensified leaching and selective recovery of Y and Eu from waste cathode ray tube phosphor

J Lie, H Shuwanto, H Abdullah, FE Soetaredjo… - Minerals …, 2024 - Elsevier
The optimization study of rare earth elements (REEs) leaching from electronic waste is
imperative for industrial-scale development with cost-and energy-efficient processing …

Phosphate recovery from waste fish bones ash by acidic leaching method and iron phosphate production using electrocoagulation method

P Belibagli, Z Isik, MA Mazmanci, N Dizge - Journal of Cleaner Production, 2022 - Elsevier
This study aims to test three different acids (HCl, H 2 SO 4, HNO 3) for phosphate (PO 4− 3)
extraction from waste fish bones ash using response surface methodology (RSM). Moreover …

Leaching kinetics of rare earth elements in phosphoric acid from phosphate rock

Z Li, Z Xie, J Deng, D He, H Zhao, H Liang - Metals, 2021 - mdpi.com
Phosphate rock has been considered as one of the most significant secondary rare-earth
resource, and the utilization of rare earth elements (REEs) in phosphate rock has attracted …

Enhanced leaching recovery of rare earth elements from a phosphatic waste clay through calcination pretreatment

B Ji, Q Li, Q Huang, W Zhang - Journal of Cleaner Production, 2021 - Elsevier
Phosphatic clay is a waste material produced during the beneficiation of phosphate ore,
which likely poses severe environmental problems. In this study, a phosphatic clay …

Potential application of macrocyclic compounds for selective recovery of rare earth scandium elements from aqueous media

AD Salman, T Juzsakova, MG Jalhoom, PC Le… - Journal of Sustainable …, 2022 - Springer
Recently, efforts have been made to develop the extraction, recovery, and analysis of rare
earth elements, especially the scandium Sc (III). This study describes the use of 15-crown-5 …

Artisanal mining of monazite and cassiterite in the Amazon: Potential risks of rare earth elements for the environment and human health

PP da Costa Alves Filho, WV da Silveira Pereira… - Environmental …, 2024 - Springer
Artisanal mining is intensely carried out in developing countries, including Brazil and
especially in the Amazon. This method of mineral exploration generally does not employ …