Promethium (Pm), element# 61, got its name from the Greek Titan Prometheus, who stole
fire from Zeus and passed it to people. The only element in the lanthanide series of the …

(57) ABSTRACT A method for production of various morphologies of solid carbon product by
reducing carbon oxides with a reducing agent in the presence of a catalyst. The carbon …

The study discusses the prospects for the development of low-voltage power supply
sources. Beta isotope sources present great advantages for autonomous uninterrupted …

US9731970B2 - Methods and systems for thermal energy recovery from production of solid
carbon materials by reducing carbon oxides - Google Patents US9731970B2 - Methods and …

Methods of capturing or sequestering carbon include introducing a reaction gas stream to a
catalytic converter to convert a portion of the carbon in the carbon oxide to solid carbon and …

A method of treating an offgas includes purifying the offgas to remove particulate matter,
water, undesirable gaseous components and inert gases to produce a dried carbon oxide …

A two-stage reaction process includes reacting gaseous carbon dioxide with a reducing
agent to form carbon monoxide and water. At least a portion of the water is condensed to …

A composition comprising a mixture of carbon nanotubes having a bi-modal size distribution
are produced by reducing carbon oxides with a reducing agent in the presence of a catalyst …

Primary voltaic sources include nanofiber Schottky barrier arrays and a radioactive source
including at least one radio active element configured to emit radioactive particles. The …

Methods of forming solid carbon products include disposing a plurality of nanotubes in a
press, and applying heat to the plurality of carbon nanotubes to form the solid carbon …