The United States of America As Represented by the Administrator of the U.S. Environmental Protection Agency

University of Kentucky Research Foundation

U.S. Environmental Protection Agency

Verutek Technologies, Inc.

Verutek, Inc.

Ethical Solutions, LLC

Rajender S Varma

Subhas K Sikdar

Mallikarjuna N Nadagouda

John B Collins

George Edward Hoag

Dibakar Bhattacharyya

Yuhong Ju

Vasile Smuleac

Timothy C Keener

Valerii Kukhar

Vladislav Kyselov

Yurii Besugly

Yurii Kyselov

Nasir Baig

Babita Baruwati

Jurate Virkutyte

Vivek Polshettiwar

Volodymir Kashkovski

Joo Youp Lee

George E Hoag

A nanocomposite membrane includes a macroporous polymer membrane having a plurality of pores. A plurality of metal nanoparticles are synthesized and immobilized within those plurality of pores. The nanoparticles are reduced and capped with a green reducing and capping agent such as green tea extract.

Green synthesis nanocomposite membranes

A process and catalyst for the in situ generation of hydrogen via the microwave irradiation of a ruthenium chitosan composite catalyst has enabled the convenient reduction of nitro compounds in aqueous medium.

Ruthenium on chitosan (ChRu): concerted catalysis for water splitting and reduction

Method for deep desulphurization of hydrocarbon fuels includes following steps: (1) treatment of a hydrocarbon fuel under the condition of its mixing with gaseous oxidant selected from the group consisting nitrogen monoxide, dry air, ozone and a mixture of at least two of said reagents in order to oxidize sulfur-containing compounds presented in said fuel, and with a fine-dispersed adsorbent based on montmorillonite in order to adsorb oxidized sulfur-containing compounds, and (2) separation of spent adsorbent together with adsorbed oxidized sulfur-containing compounds from refined fuel.

Method for deep desulphurization of hydrocarbon fuels

Methods for preparing and using a photocatalyst are described. The catalyst is prepared by oxidation of a metal salt which has been doped in situ to form a photocatalyst active in visible light. The photocatalyst is used for degrading toxic and irritating compounds and infectious agents.

Doped titanium dioxide as a visible and sun light photo catalyst

This invention relates to the use of nano-organocatalysts, and, more specifically, to the use of magnetic nanomaterial-supported organocatalysts. It is an object of the present invention to provide 'green' catalysts and protocols. According to one embodiment of the invention, a nano-organocatalyst in the form of a magnetic nanomaterial-supported organocatalyst is provided. According to other embodiments of the invention, glutathione and cysteine are provided as organocatalysts and magnetic nanomaterial-supported glutathione and magnetic nanomaterial-supported cysteine are provided for use as nano-organocatalysts. According to another embodiment of the invention, a method of using a recyclable magnetic nanomaterial-supported organocatalyst using a totally benign aqueous protocol, without using any organic solvent in the reaction or during the workup, is provided. According to a further embodiment of the invention, a recyclable magnetic nanomaterial-supported organocatalyst for various organocatalytic reactions, including but not limited to Paal-Knorr reactions, aza-Michael addition and pyrazole synthesis, is provided.

Magnetic nanoparticle-supported glutathione as a sustainable organocatalyst

The present invention relates to methods of making and using and compositions of metal nanoparticles formed by green chemistry synthetic techniques. For example, the present invention relates to metal nanoparticles formed with solutions of plant extracts and use of these metal nanoparticles in removing contaminants from soil and groundwater and other contaminated sites. In some embodiments, the invention comprises methods of making and using compositions of metal nanoparticles formed using green chemistry techniques.

Green synthesis of nanometals using plant extracts and use thereof

The disclosed sorbents are for adsorbing sulfur compounds, particularly sulfur-containing aromatic compounds, from liquid hydrocarbon fuels such as gasoline, cracked gasoline, diesel, high sulfur liquid fossil fuels, ultra-low sulfur fuel (ULSF) in fuel cell applications, and mixtures thereof. The sorbent compositions comprise one or more silicates having one or more metal nitrates admixed together. The one or more metal nitrates include iron (II) or (III), zinc (II), cadmium (II) and mercury (II) nitrate. The method of preparing and using the sorbents is also provided.

Sorbent compositions and desulfurization method using the same

Methods of decreasing the amount of one or more contaminants in contaminated soil comprise introducing polymer-coated nanoparticles into the contaminated soil, optionally with other reagents. The polymer-coated nanoparticles exhibit an enhanced ability to migrate through the soil and provide greater control of the rate of activation of other chemicals, such as oxidants, in the contaminated soil.

Polymer coated nanoparticle activation of oxidants for remediation and methods of use thereof

Oxidative sorbents are provided for adsorbing elemental or oxidized mercury from mercury-containing fluids such as flue gas from a coal-burning power utility or the like at a temperature range of about 50 to 350&#xb0; C. The method of preparing and using the oxidative sorbents is also provided. The oxidative sorbent compositions include one or more silicates capable of cation exchange with a plurality of active metal cations and their counter anions. The silicates may include those selected from clays such as montmorillonite, laumonite, bentonite, Mica, vermiculite and kaolinite, and from silica gels, natural and synthetic molecular sieves, zeolites, and ashes from stoker- and pulverized coal-fired boilers. The one or more oxidative metal halides and/or sulfates may be selected from the group consisting of CuCl, CuBr, CuCl, CuBr, CuSO, FeCl, FeCl, FeSO, Fe(SO), ZnCl, ZnBr, NiCl, and NiSO. The oxidative sorbents may also include activated carbon.

Growing community of inventors

Cincinnati, OH, United States of America

Rajender S Varma