Systems and methods for the gas-phase production of carbon nanotube (CNT)-nanoparticle (NP) hybrid materials in a flow-through pyrolytic reactor specially adapted to integrate nanoparticles (NP) into CNT material at the nanoscale level, and the second generation CNT-NP hybrid materials produced thereby.

Systems and methods for the gas-phase production of carbon nanotube (CNT)-nanoparticle (NP) hybrid materials in a flow-through pyrolytic reactor specially adapted to integrate nanoparticles (NP) into CNT material at the nanoscale level, and the second generation CNT-NP hybrid materials produced thereby.

A low carbon footprint material is used to decrease the carbon dioxide emission for production of a high carbon footprint substance. A method of forming composite materials comprises providing a first high carbon footprint substance; providing a carbon nanomaterial produced with a carbon-footprint of less than 10 unit weight of carbon dioxide (CO.sub.2) emission during production of 1 unit weight of the carbon nanomaterial; and forming a composite comprising the high carbon footprint substance and from 0.001 wt % to 25 wt % of the carbon nanomaterial, wherein the carbon nanomaterial is homogeneously dispersed in the composite to reduce the carbon dioxide emission for producing the composite material relative to the high carbon footprint substance.

The present disclosure relates to methods of making nanocomposite coated proppants with a nanocomposite coating, including adding a quantity of precursor nanoparticles comprising carbon nanotubes supported by metal oxide catalyst nanoparticles to an uncured resin. The metal oxide catalyst nanoparticles and the uncured resin are selected such that the metal oxide catalyst nanoparticles are dissolvable in the uncured resin. The metal oxide catalyst nanoparticles are capable of dissolving in the uncured resin such that an amount of carbon nanotubes are dispersed within the uncured resin to form a nanocomposite coating. The method may further include coating proppant particles with the nanocomposite coating to make nanocomposite coated proppants.

The present disclosure relates to methods of making nanocomposite coated proppants with a nanocomposite coating, including adding a quantity of precursor nanoparticles comprising carbon nanotubes supported by metal oxide catalyst nanoparticles to an uncured resin. The metal oxide catalyst nanoparticles and the uncured resin are selected such that the metal oxide catalyst nanoparticles are dissolvable in the uncured resin. The metal oxide catalyst nanoparticles are capable of dissolving in the uncured resin such that an amount of carbon nanotubes are dispersed within the uncured resin to form a nanocomposite coating. The method may further include coating proppant particles with the nanocomposite coating to make nanocomposite coated proppants.

The present disclosure relates to a system and a method for preparing carbon nanofiber and hydrogen through continuous microwave pyrolysis. The system includes four apparatus. The melting and feeding apparatus is to heat and melt feedstocks. The microwave pyrolysis apparatus is for catalytic pyrolysis and includes a feedstock inlet, a gas outlet and a carbon outlet. The gas purification and utilization apparatus is for hydrogen purification and residual gas separation, The power generation apparatus includes a generator and a small internal combustion engine utilizing residual gas as fuel, and the generated smoke is conveyed to the melting and feeding apparatus for feedstocks melting. According to the present disclosure, a poly-generation system for co-producing high-performance carbon materials and hydrogen through plastic wastes with greatly increased energy utilization rate is formed to solve the technical problems of low product yield and high energy consumption in traditional pyrolysis.

The present disclosure discloses a catalyst composition comprising: (a) at least one steamed biochar; and (b) at least one tri-metallic catalyst, comprising metals selected from the group consisting of nickel, copper, zinc, and combinations thereof, wherein nickel loading is in the range of 20-60 wt %, the copper loading is in the range of 0.5-5.0 wt %, and the zinc loading is in the range of 0.5-5.0 wt with respect to the at least one steamed biochar. The instant disclosure further relates to a process of preparation of the catalyst composition and a process for production of hydrogen gas and carbon nanotubes.

The present disclosure discloses a catalyst composition comprising: (a) at least one steamed biochar; and (b) at least one tri-metallic catalyst, comprising metals selected from the group consisting of nickel, copper, zinc, and combinations thereof, wherein nickel loading is in the range of 20-60 wt %, the copper loading is in the range of 0.5-5.0 wt %, and the zinc loading is in the range of 0.5-5.0 wt with respect to the at least one steamed biochar. The instant disclosure further relates to a process of preparation of the catalyst composition and a process for production of hydrogen gas and carbon nanotubes.

A method for producing a carbon nanostructure according to an aspect of the present invention is a method in which a carbon nanostructure is produced between a base body and a separable body while the separable body is relatively moved away from the base body, the base body including a carburizable metal that is a principal constituent, the separable body including a carburizable metal that is a principal constituent, the separable body being joined to or in contact with the base body in a linear or strip-like shape. The method includes a carburizing gas feed step, an oxidizing gas feed step, a heating step in which the portion of the base body at which the base body and the separable body are joined to or in contact with each other is heated, and a separation step in which the separable body is relatively moved away from the base body.

A method for producing a carbon nanostructure according to an aspect of the present invention is a method in which a carbon nanostructure is produced between a base body and a separable body while the separable body is relatively moved away from the base body, the base body including a carburizable metal that is a principal constituent, the separable body including a carburizable metal that is a principal constituent, the separable body being joined to or in contact with the base body in a linear or strip-like shape. The method includes a carburizing gas feed step, an oxidizing gas feed step, a heating step in which the portion of the base body at which the base body and the separable body are joined to or in contact with each other is heated, and a separation step in which the separable body is relatively moved away from the base body.