Process for producing a combustible product

Inactive Publication Date: 2019-03-14
INDAL CHEM GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0014]The invention provides a way to treat organic and biomass feedstock materials to produce a combustible product with high net calorific value. The process takes no more than 30 minutes. Longer reaction times may be employed

Problems solved by technology

Longer reaction times may be employed but result in a significant reductio

Method used

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  • Process for producing a combustible product
  • Process for producing a combustible product
  • Process for producing a combustible product

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DEFINITIONS

[0024]As used herein, the term “feedstock”, as in “organic feedstock” and “biomass feedstock” as described above, is intended to mean material that contains organic and biomass components that have come from the remains of organisms, such as plants and animals, and their waste products. The material may have been treated in some way or be classed as waste before being used in the process of the invention.

[0025]As used herein, the term “combustible”, as in “combustible product”, is intended to mean material that is capable of being burnt and sustain combustion on its own.

[0026]As used herein, the term “alkaline”, as in “alkaline material”, is a substance that increases the pH of an aqueous organic feedstock material.

[0027]As used herein, the term “subcritical” refers to an aqueous mixture that is at a pressure and temperature below the critical point, and so the water is in exclusively liquid form, and not in a supercritical form or as steam.

DETAILED DESCRIPTION

[0028]The f...

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Abstract

A process for producing combustible product from an organic or biomass feedstock, the process comprising: mixing the feedstock with an alkaline material to give an alkaline aqueous mixture; heating the mixture by ohmic heating to a temperature in the range of about 280° C. to about 320° C. and reacting the mixture under subcritical conditions at the said temperature range and a pressure of about 6.6 to about 11.6 MPa (65 bar gauge to about 115 bar gauge); and removing at least some of the water to leave a combustible product, which may be used to form an aqueous slurry, suspension or emulsion and combusted in a suitable engine.

Description

BACKGROUNDa. Field of the Invention[0001]The invention relates to a process for producing a combustible product from an organic or biomass feedstock, and to methods of using the product. Other aspects of the invention provide a liquid suspension or emulsion derived from the combustible product and suitable for use as a liquid fuel.b. Related Art[0002]There have been many attempts at producing fuels and biogas from various forms of biomass and organic materials. There has been investigation into advanced conversion, using pyrolysis and gasification, of organic, plant and human waste to produce fuels and biogas. The biomass and organic feedstock is subjected to advanced conversion at temperatures of, for example, from 250 to 800° C.[0003]Other processes include the generation of gaseous fuels, comprising methane from various forms of biomass organic feedstock using techniques such as anaerobic digestion.[0004]One form of organic feedstock is sewage sludge in digested or raw form from ...

Claims

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Application Information

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IPC IPC(8): C10L1/32C10L1/12C10L9/08
CPCC10L1/326C10L1/1241C10L9/086C10L1/328C10L2200/0469C10L2290/544C10L2290/28C10L2290/52C10L2290/24C10L2290/02Y02E50/30Y02E50/10
Inventor SHARPE, DARRENSIROVSKI, FELIX
Owner INDAL CHEM GROUP
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