G01N33/222

Systems for producing advanced carbon materials at carbon source locations

A method of producing advanced carbon materials can include extracting a coal sample from a location, performing a spectral analysis on the coal sample, determining one or more desired advanced carbon materials based at least in part on spectral analysis, extracting an amount of coal from the location, beneficiating the amount of coal, and processing the beneficiated amount of coal to produce the one or more desired advanced carbon materials from at least some of the amount of coal.

Methods for forming resins and other byproducts from raw coal

A method of producing at least one or more resins is disclosed. The method includes providing an amount of raw coal. The raw coal includes one or more impurities therein. The method also includes beneficiating the amount of raw coal to selectively removing at least a portion of some of the one or more impurities in the raw coal to form beneficiated coal. Additionally, the method includes processing the beneficiated coal to produce an amount of pitch. The method further includes modifying at least some of the pitch to produce the one or more resins. The one or more resins include a selected amount of a remainder of the one or more impurities that were not removed while beneficiating the amount of the raw coal, processing the beneficiated coal, and modifying at least some of the pitch.

Methods for producing carbon fibers from coal

A method of producing advanced carbon materials can include providing coal to a processing facility, beneficiating the coal to remove impurities from the coal, processing the beneficiated coal to produce a pitch, and treating the pitch to produce an advanced carbon material such as carbon fibers, carbon nanotubes, graphene, carbon fibers, polymers, biomaterials, or other carbon materials.

Methods for producing advanced carbon materials from coal

A method of producing advanced carbon materials can include providing coal to a processing facility, beneficiating the coal to remove impurities from the coal, processing the beneficiated coal to produce a pitch, and treating the pitch to produce an advanced carbon material such as carbon fibers, carbon nanotubes, graphene, resins, polymers, biomaterials, or other carbon materials.

Method for operating a steam generation system
11029021 · 2021-06-08 · ·

A method is disclosed for anticipating operation characteristics of a steam generation system, the steam generation system comprising at least one boiler. The method comprises conducting a fuel analysis of a solid fuel and anticipating the at least one operation characteristic of the steam generation system at the time when a specific partial quantity of solid fuel is combusted in the furnace of a boiler of the steam generation system, and further determining at least one adapted setpoint of at least one operation parameter of the steam generation system dependent upon the fuel composition of any specific solid fuel partial quantity so as to counteract and/or remedy changes of the at least one operation characteristic which are caused by the fuel composition of the specific solid fuel partial quantity. The method may be employed to improve operation of a steam generating system when the fuel composition varies.

METHODS FOR PRODUCING GRAPHENE FROM COAL

A method of preparing graphene from coal can include thermally processing raw coal and, after the coal has been at least partially cooled from thermal processing, forming reduced graphene oxide from the coal.

ENHANCED CHEMICAL CHARACTERIZATION OF SOLID MATRICES USING X-RAY FLUORESCENCE AND OPTICAL COLOR REFLECTANCE
20210080443 · 2021-03-18 ·

An apparatus or method determines a content of the one or more elements of a solid matrix by scanning the solid matrix using a PXRF spectrometer and a color sensor, receiving a PXRF spectra from the PXRF spectrometer and a numerical color data from the color sensor, extracting a value for each of the one or more elements the PXRF spectra, determining the content of the one or more elements of the solid matrix using one or more processors and a predictive model that relates the value of each of the one or more elements and the numerical color data to the content of the one or more elements of the solid matrix, and providing the content of the one or more elements of the solid matrix to one or more input/output interfaces.

Operating guide system of coal gasification plant and apparatus and method therefor

An operating guide system of a plant utilizing coal gasification includes a performance analyzer for analyzing performance of the plant by analyzing gasifier performance and synthesis gas cooler performance during an operation of the plant; an operation guide generator for generating an operation guide indicating control values for the operation of the plant based on the performance analysis of the plant; an action guide generator for generating an action guide indicating control values for controlling the plant to prevent an abnormal situation predicted in the plant based on the performance analysis of the plant; and a fuel determiner for determining gasification suitability of an analysis target fuel selected by a user before the plant is started, the gasification suitability including basic suitability and suitability of slag behavior.

Method for detecting moisture and volatile matter content of raw coal by using value of baseline drift

The present invention relates to a method for detecting moisture and volatile matter content in raw coal using the value of baseline drift, comprising the following steps: selecting a plurality of types of standard coal having different coal ranks and different ash contents, performing a Raman spectroscopy test and a proximate analysis on each type of standard coal, calculating the value of baseline drift in the Raman spectrum, and setting up the mapping relationship between the value of baseline drift in the Raman spectrum and the characteristic parameters of the moisture and the volatile matter content. The same method and reference are used to perform a Raman spectroscopy test on raw coal to be tested, so as to calculate the value of baseline drift in a Raman spectrum of the raw coal to be tested, and obtain the moisture and volatile matter content of the raw coal to be tested.

Methods for producing graphene from coal

A method of preparing graphene from coal can include thermally processing raw coal and, after the coal has been at least partially cooled from thermal processing, forming reduced graphene oxide from the coal.