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Rare earth metals.

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This edited book Lanthanides is a collection of research chapters, offering an excellent review of recent applications in our lives. It consists of a number of interesting chapters by scientists and researchers from different parts of the world. The book is divided into six chapters. The first chapter is a short introduction that explains the nature and purpose of the book and the logic and significance of its contents. In the second chapter, Katarzyna Kiegiel et al. introduce novel apparatus solutions, for example membrane contactors in the extraction stage and different types of matrices (uranium ore, phosphorites, etc.). The third chapter by Dariusz Sala and Bogus?aw Bieda from AGH University of Science and Technology, Management Department, Poland, describes the development of the life cycle inventory to rare earth elements (REEs) based on secondary sources, conducted according to ISO 14040 (2006) guidelines. Chapter 4 concentrates on lanthanide soil chemistry and shows how the soil chemistry of REEs may support soil science investigations. Dmitry V. Ladonin in Chapter 5 studies the content of forms of lanthanides in soddy-calcareous soils at different distances from the Cherepovets steel mill (Vologda region, Russia). The author concludes that the individual properties of lanthanides are clearly manifested in their interaction with soil components. The largest part of the fraction, bound to organic matter, contains medium lanthanides, while the heavy lanthanides are bound to Fe and Mn (hydr)oxides. The last chapter discusses ecological and physiological impacts of lanthanides on algae as primary producers in aquatic environments. This book will definitely encourage readers, researchers, and scientists to look further into the frontier topics of lanthanides and opens new possible research paths for further novel development.

Rare earth metals. --- Lanthanide series --- Lanthanides --- Lanthanoid series --- Lanthanons --- Rare earth elements --- Nonferrous metals --- Physical Sciences --- Engineering and Technology --- Chemistry --- Environmental Chemistry --- Organic Chemistry

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Rare earth elements (REE) have applications in various modern technologies, e.g., semiconductors, mobile phones, magnets. They are categorized as critical raw materials due to their strategic importance in economies and high risks associated with their supply chain. Therefore, more sustainable practices for efficient extraction and recovery of REE from secondary sources are being developed. This book, Environmental Technologies to Treat Rare Earth Elements Pollution: Principles and Engineering: presents the fundamentals of the (bio)geochemical cycles of rare earth elements and which imbalances in these cycles result in pollution. overviews physical, chemical and biological technologies for successful treatment of water, air, soils and sediments contaminated with different rare earth elements. explores the recovery of value-added products from waste streams laden with rare earth elements, including nanoparticles and quantum dots. This book is suited for teaching and research purposes as well as professional reference for those working on rare earth elements. In addition, the information provided in this book is helpful to scientists, researchers and practitioners in related fields, such as those working on metal/metalloid microbe interaction and sustainable green approaches for resource recovery from wastes.

Rare earth industry --- Rare earth industry. --- Rare earth metals --- Pollution. --- Environmental aspects. --- Chemical pollution --- Chemicals --- Contamination of environment --- Environmental pollution --- Pollution --- Contamination (Technology) --- Asbestos abatement --- Bioremediation --- Environmental engineering --- Environmental quality --- Factory and trade waste --- Hazardous waste site remediation --- Hazardous wastes --- In situ remediation --- Lead abatement --- Pollutants --- Refuse and refuse disposal --- Lanthanide series --- Lanthanides --- Lanthanoid series --- Lanthanons --- Rare earth elements --- Nonferrous metals --- Rare earths industry --- Nonferrous metal industries --- Environmental aspects

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The progress of society has led to an improvement of the quality of life of a significant number of people. On the other hand, anthropogenic pollution dramatically increased, with serious consequences for the environment and human health. Controlling and remedying environmental pollution is one of the main challenges of our century. Fundamental and applicative research are called to collaborate, involving scientists in the development of realistic and effective systems for the prevention and the removal of pollutants from the environment. Spreading knowledge is among the missions of researchers and this is the aim of this book, offering an updated view on innovative materials and methods for pollutant treatment. It is composed of 18 articles, among them 5 reviews and 13 original articles, dedicated to new adsorbent materials (inorganic, organic, and hybrid materials) for the capture of pollutant species and for their catalytic conversion into non-toxic substances, and to bioremediation approaches to treat contaminated media. Water, air, and soil pollution was investigated, both at the lab and large scale, with special relevance for wastewater treatments for the removal of heavy metals and organic pollutants. We are grateful to “Molecules” for the opportunity to edit the Special Issue on “Innovative Materials and Methods for the Removal of Pollutants from the Environment”. We created, for this book, an original cover image, dedicated to the efforts of chemistry to defend the beauty of environment, represented by flowers, against every prejudice that considers chemistry an enemy of life.

green-removal --- tangerine peels activated carbon --- agriculture waste --- acetamiprid pesticide --- enzymatic hydrolysis lignin --- sequential dissolution fractionation --- methylene blue adsorption capacity --- CuFe2O4 nano-particles --- CuFe2O4/PANI composite --- mercury (II) removal --- adsorption --- biochar --- pyrolysis --- heavy metals --- soil remediation --- bioavailability --- biomass waste --- N doped carbon dots --- Cd (II) --- mechanism --- water remedy --- green adsorbents --- pineapple leaves --- rose bengal (RB) dye --- face-centered central composite design (FCCCD), percentage removal (%R) --- adsorption capacity (qe) --- phosphorus removal --- toxic metals --- alginate beads --- sewage sludge --- BC --- sequential extraction --- copper --- carbon-silicon interaction --- bioremediation --- toxic pollutants --- extreme conditions --- extremophilic microorganism --- non-thermal plasma (NTP) --- exhaust emission --- internal combustion engine --- ion chemical reaction --- insensitive munitions --- 3-nitro-1,2,4-triazol-5-one (NTO) --- industrial wastewater --- vetiver grass --- phytoremediation --- phytoextraction --- ammonia --- ammonium recovery --- Freundlich --- intraparticle diffusion --- isoelectric state --- Langmuir --- pseudo-second-order --- Temkin --- zeolite --- high-strength wastewater --- sludge liquor --- chitosan --- adsorbent --- carbon --- graphene oxide --- silica --- magnetic separation --- dyes --- Langmuir isotherm --- breakthrough curve --- defluoridation --- up-flow mode --- volcanic rocks --- toluene --- rhodamine B --- water stability of monolith --- nanosorbent --- regeneration --- α-NiMoO4 --- methylene blue --- removal --- zirconium phosphate --- wastewater pollutants --- ion exchange --- heterogeneous photocatalysis --- nanomaterials --- rare earth metals --- wastewater treatment --- pollutants