Themed collection UN Sustainable Development Goal 6: Clean water and sanitation

Safe-and-sustainable-by-design (SSbD) is a pre-market approach that integrates innovation with safety and sustainability along the entire life cycle.

Chemistry should adopt material stewardship as a central mission in fulfilling its vital role in sustainability for people and planet.

Treatment of wastewater has become a necessity to address the shortage of drinking water in this era due to population explosion as well as shortage of water resources.

This paper reviews the research on the conversion of nitroaromatics to aminoaromatics through catalysis.

This review takes a closer look at the life-cycle of inverse vulcanized polymers and if they can be more sustainable alternatives to commodity materials in energy storage, remediation technology, agriculture or construction.

Oil contamination is a critical issue affecting global water resources, which originates from a variety of sources, including domestic and industrial activities. Treatment methods include physical, chemical, and biological processes. Image source: Oil spill photo – Jesse Kavanaugh, U.S. Coast Guard.

Schematic illustration for the fabrication process of superwetting textiles coated with polydopamine.

Phosphorus recovery from animal manures by pyrolysis can effectively close the agricultural phosphorus cycle.

Incorporation of nanoparticles into the membrane matrix plays a pivotal role in water purification and treatment.

Increased human activity due to the ever-increasing global population has necessitated the urgent need for a sustainable environment, food, and energy.

The use of low(er) purity chemicals leads to size-controlled gold nanoparticles that are active catalysts for water treatment.

CBC was analyzed for its electronic, molecular, and adsorption properties. Despite its narrow ΔE_gap (0.058 eV), reactivity is limited due to orbital separation. CuO binds stronger than ZnO but co-adsorption reduces deformation, enhancing synergy.

Heavy metal contamination, particularly mercury (Hg²⁺), poses severe environmental and health risks even at trace levels.

Removal of malachite green using cellulose extracted from waste bamboo culm sheath as a sustainable and lucrative approach.

S-scheme α-Fe₂O₃/g-C₃N₄ photocatalyst was synthesized using Nyctanthes arbor-tristis L. extract, exhibiting enhanced charge separation and tetracycline degradation, offering a sustainable approach for wastewater treatment under visible light.

A sustainable hydrothermal carbonization route valorizes expired iron supplements into magnetite nanoparticles, offering low-energy nanomaterial fabrication for water treatment and other industrial applications.

Enhancement of fixed charge density in PSS-PDADMAC saloplastic membranes via PDADMAC overcharging leads to improved ion conductivity and permselectivity.

Nanoporous organic materials with varying pore sizes were utilized to remove antibiotics from surface and groundwater.

Field implementation of Arsiron Nilogon in a village has shown the low-cost method to be a highly effective, user-friendly and sustainable solution for arsenic mitigation in a rural setup.

The environmental persistence of reactive blue 19 dye poses a significant challenge, driving the urgent need for efficient removal technologies to protect water quality.

A green method using liquid nitrogen produced gelatin–lignin beads with a Pb(II) adsorption capacity of 155 mg g⁻¹, 96% removal efficiency, and stability over 10 cycles, offering a sustainable solution for water treatment.

Biochar offers a sustainable use of cannabis residues. Low temperature biochar can be used for contaminant adsorption and in soil amendment, and high temperature biochar as an electrode material in electrochemical and bioelectrochemical applications.

Microplastics are present in nearly all environments.

Cellulose acetate (CA) membranes incorporated with amino acids (AAs) and ionic liquids (ILs) fabricated using phase inversion technique have been proven to be efficient and effective for nanofiltration to treat heavy metal ion solutions.

Co-pyrolysis of biomass and plastics is essential to improve the quality and yield of pyrolytic products, optimise energy recovery, and mitigate plastic waste, providing a sustainable approach to waste valorisation.

Electrodes for supercapacitors were developed from activated carbon (GAC) derived from glutinous rice husk (GRH).

Solvent usage is one of the most critical factors for the carbon footprint of the chemical and pharmaceutical industries, with profound consequences of an undesirable or sub-optimal selection.

This study employs Life Cycle Assessment (LCA) to evaluate the environmental impacts of wastewater treatment systems in industrial zones of Vietnam.

Zeolitic imidazolate framework improved vanadium ferrite (VFe₂O₄@_monoZIF-8) was prepared to purify a ciprofloxacin (CP), ampicillin (AP), and erythromycin (EY) contaminated water system via a visible light driven photocatalytic process.