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Layered double hydroxides. --- Chemistry. --- Chemistry, inorganic. --- Chemistry, Physical organic. --- Polymers. --- Inorganic Chemistry. --- Polymer Sciences. --- Physical Chemistry. --- Layered double hydroxides --- Hydroxides --- Anions --- Alkalies --- Inorganic Chemicals --- Chemicals and Drugs --- Ions --- Electrolytes --- Inorganic Chemistry --- Chemistry --- Physical Sciences & Mathematics --- Chemicals, Inorganic --- Alkalis --- Alkali --- Double hydroxides, Layered --- LDHs (Chemicals) --- Polymere --- Polymeride --- Polymers and polymerization --- Chemistry, Physical organic --- Inorganic chemistry --- Inorganic chemistry. --- Physical chemistry. --- Inorganic compounds --- Chemistry, Organic --- Chemistry, Physical and theoretical --- Macromolecules --- Polymers  . --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry

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The book compiles scientific articles describing advances in nanomaterial synthesis and their application in water remediation. The publications treat diverse problems such as dye degradation, heavy metal ion, as well as radioactive element capture and sequestration. There are 10 original research articles and one review article. The latter proposes graphene/CNT and Prussian blue nanocomposites for radioactive 137-cesium extraction from aqueous media. All reports thoroughly characterize the nanomaterials post-synthesis and describe their catalytic, photocatalytic, or ion exchange activities in contaminated water. The dyes studied in the collection are azo dyes, i.e. methylene blue and orange, rhodamine B, phenolic dyes viz. bromophenol blue, and other dyes with sulfonyl groups. Extraction of radioactive elements, including cationic 137Cs+ and anionic 125I?, is also investigated. The omnipresence of ZnO nanoparticles in everyday products and their effects in wastewater are also evaluated. Layered double hydroxide are capable of capturing Ag ions, which then has a catalytic effect on dye degradation. The nanomaterials considered are varied, viz., graphene, CNT, Prussian blue, nanoporous carbon, layered double hydroxides, magnetite, ferrites, organic powders, polymer membranes, bacteria, and inorganic nanomaterials such as MnO and Ag. The book targets an interdisciplinary readership.

LDHs --- magnetic photocatalyst --- n/a --- bioremediation --- membrane --- BiOCl --- BiVO4 --- degradation --- agglomeration --- solvent vapor annealing --- nanoporous carbon --- nanocomposite --- Prussian blue --- stability --- silver nanomaterials --- adsorption --- wastewater --- desalination --- ZnO nanoparticles --- film --- magnetic performance --- metal-organic frameworks --- 137Cs+ selectivity --- nanomixtures --- water remediation --- photocatalytic activity --- adsorption properties --- magnetic extraction --- RGO --- structural regularity --- photocatalytic mechanism --- wastewater treatment --- 137-Cesium --- photocatalyst --- magnetic nanoparticles --- graphene --- radioactive iodine --- carbon nanotubes --- doping modification --- electrospinning --- radioactive contamination --- Mn–Zn ferrite --- mixed wastewater --- manganese oxide --- host–guest interaction --- bromophenol blue --- Dy3+ --- organic pollutants --- dye --- beta-cyclodextrin polymer --- polydopamine --- interaction --- dye removal --- adsorption models --- RhB photodegradation --- hydrothermal method --- supercapacitor --- Mn-Zn ferrite --- host-guest interaction

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Layered double hydroxides (LDHs), also known as two-dimensional anionic clays, as well as the derived materials, including hybrids, nanocomposites, mixed oxides, and supported metals, have been highlighted as outstanding heterogeneous catalysts with unlimited applications in various processes involving both acid–base (addition, alkylation, acylation, decarboxylation, etc.) and redox (oxidation, reduction, dehydrogenation, etc.) mechanisms. This is mainly due to their flexibility in chemical composition, allowing the fine tuning of the nature of the active sites and the control of the balance between them. Additionally, LDHs display a large anion exchange capacity and the possibility to modify their interlayer space, constraining the size and type of reactants entering in the interlamellar space. Furthermore, their easy and economic synthesis, with high levels of purity and efficiency, at both the laboratory and industrial scales, make LDHs and their derived materials excellent solid catalysts. This Special Issue collects original research papers, reviews, and commentaries focused on the catalytic applications of these remarkable materials.

Research & information: general --- Chemistry --- layered double hydroxides (LDH) --- polyoxometalates (POM) --- catalytic materials --- Michael addition --- cobalt-based LDHs --- ultrasonic irradiation --- synergistic effect --- photocatalysis --- nitrophenol degradation --- Zn,Al-hydrotalcite --- ZnO dispersed on alumina --- reusability --- layered double hydroxide --- LDH --- catalytic oxidation --- ethanol --- toluene --- VOC --- photocatalysts --- Cu electrodes --- diazo dyes --- electrocatalysts --- layer double hydroxides --- photoelectrochemical degradation --- hydrotalcites --- mixed oxides --- aldol condensation --- basic catalysts --- exfoliation --- nanosheets --- oxidation --- layered double hydroxides --- base catalysts --- epoxide --- formaldehyde --- oxidation removal --- BiOCl --- manganese --- biodiesel --- transesterification --- hydrothermal --- nickel --- aluminum --- solid base --- structured catalyst --- ethanol steam reforming --- aluminum lathe waste strips --- Ni nanoparticle --- mechano-chemical/co-precipitation synthesis --- organic alkalis (tetramethylammonium hydroxide) --- memory effect --- Claisen-Schmidt condensation --- self-cyclohexanone condensation --- n/a

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Layered Double Hydroxides (LDHs) certainly do not represent a newcomer to the scientific community, yet they continue to attract a strong and general interest among a vast and multifaceted range of researchers. This persistent modernity is definitely due to some peculiar characteristics of these materials, which allow researchers and engineers to play with different aspects of two worlds: organic and inorganic, crystalline and molecular, solid and liquid, cationic and anionic. A virtually infinite number of possible chemical combinations takes advantage of their layered structure to express an unrivaled collection of remarkable properties. The capture and/or release of organic and inorganic species, versatile low-cost catalytic activity, and blending with other compounds to build up a variety of hybrid composites, are just some of the many effects investigated to date. As a result, the applications encompass almost all aspects of our life, ranging from renewable energy production to water purification, including biomedical applications, gas sensing, drug delivery, and food packaging and safety. This Special Issue highlights some of the recent research lines, and shows that remarkable progress has been and is still being made in all these aspects, to allow the consideration of LDHs as one of the most interesting and versatile inorganic materials.

layered double hydroxides --- reconstruction --- curcumin --- drug release --- wastewater --- heavy metals removal --- sol–gel processing --- alkaline earth metals --- mixed metal oxides --- reconstruction effect --- surface properties --- nanocomposites --- nanofillers --- thermal stability --- flammability --- polymer matrix --- HC --- hydrothermal synthesis --- layered double hydroxide --- AFm phase --- calcium hemicarboaluminate --- cement phases --- cement hydration --- C3AH6 --- C4ACH11 --- katoite --- microwave-assisted organic synthesis --- biofuel production --- rehydrated hydrotalcite --- heterogeneous basic catalysis --- green chemistry --- mechanochemistry --- bead mill --- synthesis --- wet grinding --- layered double hydroxides (LDHs) --- other nanoclays --- organically modified LDH --- water purification --- adsorption --- adsorption interaction --- diffusion --- n/a --- sol-gel processing

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Layered Double Hydroxides (LDHs) certainly do not represent a newcomer to the scientific community, yet they continue to attract a strong and general interest among a vast and multifaceted range of researchers. This persistent modernity is definitely due to some peculiar characteristics of these materials, which allow researchers and engineers to play with different aspects of two worlds: organic and inorganic, crystalline and molecular, solid and liquid, cationic and anionic. A virtually infinite number of possible chemical combinations takes advantage of their layered structure to express an unrivaled collection of remarkable properties. The capture and/or release of organic and inorganic species, versatile low-cost catalytic activity, and blending with other compounds to build up a variety of hybrid composites, are just some of the many effects investigated to date. As a result, the applications encompass almost all aspects of our life, ranging from renewable energy production to water purification, including biomedical applications, gas sensing, drug delivery, and food packaging and safety. This Special Issue highlights some of the recent research lines, and shows that remarkable progress has been and is still being made in all these aspects, to allow the consideration of LDHs as one of the most interesting and versatile inorganic materials.

Research & information: general --- layered double hydroxides --- reconstruction --- curcumin --- drug release --- wastewater --- heavy metals removal --- sol-gel processing --- alkaline earth metals --- mixed metal oxides --- reconstruction effect --- surface properties --- nanocomposites --- nanofillers --- thermal stability --- flammability --- polymer matrix --- HC --- hydrothermal synthesis --- layered double hydroxide --- AFm phase --- calcium hemicarboaluminate --- cement phases --- cement hydration --- C3AH6 --- C4ACH11 --- katoite --- microwave-assisted organic synthesis --- biofuel production --- rehydrated hydrotalcite --- heterogeneous basic catalysis --- green chemistry --- mechanochemistry --- bead mill --- synthesis --- wet grinding --- layered double hydroxides (LDHs) --- other nanoclays --- organically modified LDH --- water purification --- adsorption --- adsorption interaction --- diffusion --- layered double hydroxides --- reconstruction --- curcumin --- drug release --- wastewater --- heavy metals removal --- sol-gel processing --- alkaline earth metals --- mixed metal oxides --- reconstruction effect --- surface properties --- nanocomposites --- nanofillers --- thermal stability --- flammability --- polymer matrix --- HC --- hydrothermal synthesis --- layered double hydroxide --- AFm phase --- calcium hemicarboaluminate --- cement phases --- cement hydration --- C3AH6 --- C4ACH11 --- katoite --- microwave-assisted organic synthesis --- biofuel production --- rehydrated hydrotalcite --- heterogeneous basic catalysis --- green chemistry --- mechanochemistry --- bead mill --- synthesis --- wet grinding --- layered double hydroxides (LDHs) --- other nanoclays --- organically modified LDH --- water purification --- adsorption --- adsorption interaction --- diffusion