"Green chemistry, similar to sustainable chemistry or circular chemistry, is an area of chemistry and chemical engineering focused on the design of products and processes that minimize or eliminate the use and generation of hazardous substances."
Development of chemical syntheses that use non-toxic or less-toxic materials, minimize waste and energy usage, and produce a minimum of hazardous by-products or intermediates.
Principles of Green Chemistry: Introduces the basic principles and concepts of green chemistry, including the 12 principles of green chemistry and the importance of sustainability in chemical synthesis.
Solvent-free synthesis: Explores the use of alternative green solvents, including supercritical fluids and ionic liquids, and solvent-free techniques such as mechanochemistry and microwave-assisted synthesis.
Renewable resources: Focuses on the use of renewable resources as starting materials for chemical synthesis, including biomass, cellulose, and fatty acids.
Catalysts: Discusses the use of catalysts in green chemistry, including homogeneous, heterogeneous, and biocatalysts, and their applications in various synthetic processes.
Energy-efficient processes: Covers energy-efficient processes in green chemistry, including flow chemistry, photochemistry, and electrochemistry, and their role in reducing waste and energy consumption.
Green polymers: Highlights the importance of green polymers in materials science, including their synthesis, properties, and applications in various industries.
Life cycle assessment: Introduces the concept of life cycle assessment, including its principles, methods, and applications in assessing the environmental impacts of chemical synthesis.
Toxicology and risk assessment: Provides a brief overview of the principles and methods of toxicology and risk assessment in the context of green chemistry.
Green nanotechnology: Explores the intersection of green chemistry and nanotechnology, including the synthesis and applications of green nanoparticles, nanofibers, and nanocomposites.
Green analytical methods: Covers the development of green analytical methods, including green chromatography, mass spectrometry, and spectroscopy, and their importance in reducing the environmental impact of analytical chemistry.
Microwave-assisted chemistry: This system utilizes microwaves to accelerate chemical reactions reducing reaction times and enhancing yields.
Super-critical fluid extraction: This technique makes use of fluids such as CO2 at high pressures and temperatures which allows for the extraction of useful compounds without the use of harsh solvents.
Hydrogenation: A process that introduces molecular hydrogen along with catalysts to enable the conversion of organic materials into new compounds without the need for harmful reagents.
Biocatalysis: This type of chemical synthesis employs the use of enzymes, microorganisms or whole cells to produce compounds without the need for harsh chemicals or energy.
Ionic Liquids: Ionic liquids are molten salts that have unique properties such as low vapor pressure, thermal stability, and ability to dissolve organic compounds, which make them excellent alternatives to conventional solvents.
Green Chemistry in Water: This type of synthesis promotes water as the solvent of choice due to its abundance and low environmental impact.
Nanotechnology: Nanomaterials can be used to catalyse reactions reducing the amount of raw material needed, thus producing less waste.
Photochemistry: This type of chemistry uses photosynthesis to initiate and control reactions selectively and without the need for other reagents.
Ultrasound-assisted chemistry: This type of synthesis employs high-frequency sound waves to rapidly mix reagents and accelerate reactions.
Electrochemistry: This technique makes use of electrical current to drive chemical reactions reducing the need for high temperature, pressure or harmful oxidants.
"Green chemistry, similar to sustainable chemistry or circular chemistry..."
"While environmental chemistry focuses on the effects of polluting chemicals on nature, green chemistry focuses on the environmental impact of chemistry..."
"The overarching goals of green chemistry—namely, more resource-efficient and inherently safer design of molecules, materials, products, and processes..."
"...that minimize or eliminate the use and generation of hazardous substances."
"...including lowering consumption of nonrenewable resources..."
"...technological approaches for preventing pollution."
"The overarching goals of green chemistry... can be pursued in a wide range of contexts."
"...is an area of chemistry and chemical engineering..."
"Green chemistry, similar to sustainable chemistry or circular chemistry..."
"...focused on the design of products and processes..."
"...that minimize or eliminate the use and generation of hazardous substances."
"...focused on the design of products and processes..."
"...technological approaches for preventing pollution."
"...green chemistry focuses on the environmental impact of chemistry..."
"...design of molecules, materials, products, and processes..."
"More resource-efficient and inherently safer design of molecules, materials, products, and processes."
"...an area of chemistry and chemical engineering..."
"...minimize or eliminate the use and generation of hazardous substances."
"Green chemistry, similar to sustainable chemistry or circular chemistry..."