The use of hydrogen peroxide (produced in situ or ex situ) as the main agent oxidative processes environmental pollutant removal is widely studied. degradation water pollutants, such dyes, pharmaceuticals, cosmetics, petroleum derivatives, and even pathogens, has been successfully obtained by different techniques. This review gives an overview more recent methods developed to apply mediated H2O2 other reactive oxygen species (ROS) catalysis, with particular attention strategies (Fenton-like...

Abstract Soybean hulls (SBHs) are one of the main by-products soybean crushing, usually destined for animal feeding or to become a putrescible waste. In this work, we upgraded SBHs materials with antimicrobial properties. After extraction peroxidase from SBHs, an enzyme applicable in different technological sectors and naturally present hulls, exhausted biomass was subjected acid–base treatment isolate cellulose. The obtained material was, turn, functionalized 3-aminopropyl triethoxysilane...

The growing utilization of renewable and residual biomasses for environmental preservation remediation are important goals to be pursued minimize the impact human activities. In this paper, sodium alginate (derived from brown algae) was crosslinked using chitosan (mainly derived exoskeleton crustaceans) in presence biowaste-derived substances isolated green compost (BBS-GC), produce hydrogels dried films. obtained materials were tested as adsorbents wastewater remediation. To purpose, gels...

Abstract In the current state of art, textile products and materials generate a significant environmental impact since they are not managed under circular economy paradigm. It is urgent to define new sustainable paths in textiles industry by setting up materials, technologies, processes, business models reuse recycle production waste End-of-Life textiles. this direction, taking advantage textile-related especially from renewable resources, for depollution purposes appears very promising it...

A LaFeO₃ photocatalyst is obtained by solution combustion synthesis from a bio-based substance extracted urban wastes and tested for its catalytic activity.

Today, the theme of environmental preservation plays an important role within activities scientific community and influences choices politics common population. In this context, use non-fossil substances should be promoted for different reasons: to avoid depletion damage areas involved in fossil fuel extraction, decrease impact emissions/by-products related industrial transformation fossil-based products possibly exploit residual biomasses as sources carbon. This latter aspect also can...

Biodegradable, waste-derived hydrogels containing immobilised peroxidase were successfully used for enzymatic removal of organic pollutants in water. Hydrogels are reusable and provide detoxification the contaminants solution.

Abstract This study investigated the biodegradation behavior of cotton fabrics treated with polypyrrole, a polymer conductive and antibacterial properties. Fabric samples were buried in compost-enriched soil for 10, 30 90 days. The level was initially estimated by visual inspection fibers determination fabric weight loss. Other physical–chemical changes during process analyzed microscopy, thermal analyses infrared spectroscopy. surface resistivity also measured. results obtained comparing...

Abstract SrFeO 3 ‐based oxides are multi‐functional ceramics belonging to the ABO ‐type perovskite family, where iron is interestingly present at B‐site as Fe 4+ and partially reducible 3+ by doping strategies tailor physical–chemical properties. When doped, fine‐tuned exploitable in novel energy production systems, for example, electrocatalysts intermediate temperature solid oxide fuel cells (IT‐SOFCs). This work aimed evaluate how composition stoichiometry affect functional properties of...

The presence of potentially toxic elements (PTEs) in drinking water and the food chain is a well‐known hazard to human health. Among PTEs, mercury particularly dangerous for humans other living organisms due its wider effects on internal organs. Hg contamination critical issue bodies used aquaculture, making elimination mandatory. techniques proposed removal, adsorption advantageous because versatility, absence secondary pollution, relatively low cost, especially when adsorbents can be...

New technologies have been developed to avoid ecological damages by promoting depollution and eco-friendly synthesis routes of chemicals materials, setting efficient "cleaner" energy supply methods. These research fields, strongly interconnected, can contribute sustainable technological advancement represent the frame in which SrFeO3-based materials act as valuable tools. SrFeO3 is a ABO3 perovskite-type mixed oxide, widely studied nanotechnology. Its pristine form does not contain expensive...

Soybean hulls are one of the by-products soybean crushing and find application mainly in animal feed sector. Nevertheless, have been already exploited as source peroxidase (soybean peroxidase, SBP), an enzyme adopted a wide range applications such bioremediation wastewater treatment, biocatalysis, diagnostic tests, therapeutics biosensors. In this work, after SBP extraction, destined to become putrescible waste, were recovered employed adsorbents for water remediation due their...

Urban wastes are a potential source of environment contamination, especially when they not properly disposed. Nowadays, researchers finding innovative solutions for recycling and reusing in order to favour sustainable development from the viewpoint circular economy. In this context, lignin-like fraction biomass derived Green Compost is cost-effective soluble Bio-Based Substances (BBS-GC), namely complex macromolecules/supramolecular aggregates characterized by adsorbing photosensitizing...

The frontiers of antibacterial materials in the biomedical field are constantly evolving since infectious diseases a continuous threat to human health. In this work, waste-wool-derived keratin electrospun nanofibers were blended with copper by an optimized impregnation procedure fabricate membranes intrinsic biological activity, excellent degradability and good cytocompatibility. keratin/copper complex multi-analytically characterized main differences their physical-chemical features related...

Abstract The problem of microbial resistance to antibiotics makes it necessary develop new materials capable overcoming the chemicals currently used. Herein, antibacterial properties modified bamboo powder are tested and compared with cellulose isolated from soybean hulls. Such biomasses functionalized in a water solution (3‐aminopropyl)triethoxysilane introduce primary amino groups, two different functionalization procedures adopted: first requires conventional heating steps, whereas second...

Hybrid biowaste-derived silica-based systems show good photoactive performance, stability and reusability in the degradation of water pollutants.

Biowaste-derived substances isolated from green compost (BBS-GC) are environmentally friendly reactants similar to humic substances, which contain multiple functionalities, that suitable for adsorbing different kinds of pollutants in wastewater. Herein, sodium alginate (derived brown algae) cross-linked with both Ca

This study proposes a simple approach for the recognition of polyamide 6.9 samples differing in impurity amounts and viscosities (modulated during synthesis), which are parameters plausibly variable polymers' manufacturing processes. Infrared spectroscopy (ATR-FTIR) was combined with chemometrics, applying statistical methods to experimental data. Both non-supervised supervised have been used (PCA PLS-DA), predictive model that could assess type unknown created. Chemometric tools led...

Perovskite-type compounds have found application in environmental remediation and clean energy production, fundamental sectors for sustainable development. A challenge these materials is the fine-tuning of their chemical composition chemical-physical characteristics, example, microstructure, morphology ability to form oxygen vacancies, through introduction dopant elements. In this work, we studied effect Cu doping at B-site a Ce, Co-doped strontium ferrate perovskite with Sr 0.85 Ce 0.15 Fe...

La0.6Sr0.4Fe0.6Mn0.4O3−δ (LSFM) perovskite-type catalysts were prepared by a nanocasting route based on solution combustion synthesis, called the soft–hard templating (SHT) approach. Three silica hard templates with different textural properties used to increase specific surface area of perovskites, and hence improve their electrochemical activity for both oxygen evolution reduction reactions. Careful structural physicochemical characterization revealed that materials are composites formed...