Hydromethanation Of A Carbonaceous Feedstock

a carbonaceous feedstock and hydromethanization technology, applied in the direction of gasification process details, granular/pulverulent flue gasification, combustible gas production, etc., can solve the problems of agglomeration of carbonaceous materials, equipment failures, etc., and achieve the effect of increasing the overall efficiency of the process

Inactive Publication Date: 2012-05-03
SURE CHAMPION INVESTMENT LTD
View PDF3 Cites 71 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0031]In addition to the heat management issue, the ability to feed higher moisture content carbonaceous feedstock into the hydromethanation increases overall efficiency of the process due, for example, to the reduction of drying that may be necessary in the feedstock preparation, as discussed in further detail below.

Problems solved by technology

Poor heat management in the hydromethanation reactor can, for example, result in premature (and sometimes catastrophic) equipment failure, as well as agglomeration of carbonaceous materials.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Hydromethanation Of A Carbonaceous Feedstock
  • Hydromethanation Of A Carbonaceous Feedstock

Examples

Experimental program
Comparison scheme
Effect test

examples of specific embodiments

[0254]A specific embodiment of the process is one in which the process is a continuous process, in which steps (a), (b) and (c), are operated in a continuous manner.

[0255]Another specific embodiment is on in which the superheated steam stream and oxygen-rich stream are mixed at or prior to introduction into the lower portion of the fluidized bed.

[0256]Another specific embodiment is one in which oxygen-rich gas stream (14) is supplied continuously to hydromethanation reactor (200), and the amount of oxygen provided is varied as a process control, for example, to control of the desired operating temperature of the hydromethanation reaction. As oxygen is supplied to the hydromethanation reactor, the resulting oxidation / combustion reaction (for example with carbon in the by-product char and fines) generates heat energy (as well as typically some amounts of carbon monoxide and hydrogen). The amount of oxygen supplied to the hydromethanation reactor can be increased or decreased to increa...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
operating temperatureaaaaaaaaaa
temperatureaaaaaaaaaa
operating temperatureaaaaaaaaaa
Login to view more

Abstract

The present invention relates to processes for hydromethanating a carbonaceous feedstock to a methane-enriched synthesis gas, where an oxygen-rich gas stream and the carbonaceous feedstock are fed into a fluidized-bed hydromethanation reactor, and where the carbonaceous feedstock as fed into the hydromethanation reactor has an elevated moisture content in order, for example, to assist in heat management within the hydromethanation reactor.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application claims priority under 35 U.S.C. §119 from U.S. Provisional Application Ser. No. 61 / 408,928 (filed 1 Nov. 2010), the disclosure of which is incorporated by reference herein for all purposes as if fully set forth.[0002]This application is related to commonly owned U.S. patent application Ser. No. ______, (attorney docket no. FN-0065 US NP1, entitled HYDROMETHANATION OF A CARBONACEOUS FEEDSTOCK, concurrently filed herewith), the disclosure of which is incorporated by reference herein for all purposes as if fully set forth.FIELD OF THE INVENTION[0003]The present invention relates to processes for hydromethanating a carbonaceous feedstock to a methane-enriched synthesis gas, where an oxygen-rich gas stream and the carbonaceous feedstock are fed into a fluidized-bed hydromethanation reactor, and where the carbonaceous feedstock as fed into the hydromethanation reactor has an elevated moisture content in order, for example, to as...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(United States)
IPC IPC(8): C10L3/08
CPCC10J3/463C10J2300/0903C10J2300/093C10J2300/0959C10J2300/0973C10L3/08C10J2300/1618C10J2300/1662C10J2300/1838C10J2300/1884C10J2300/1892C10J2300/0986C10J3/46
Inventor RAMAN, PATTABHI K.JIRADILOK, VEERAYAROBINSON, EARL T.SIRDESHPANDE, AVINASH
Owner SURE CHAMPION INVESTMENT LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap