TO
Filters: Collection: "ir_eua" Type: "Text"
| Title | Date | Subject | Description | ||
|---|---|---|---|---|---|
| 26 |
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Combustion emissions and thermal performance impacts when replacing hydrocarbon fuels with hydrogen in industrial furnaces | Many industrial processes rely on heating that is currently achieved through combustion of fossil fuels. The industrial sector generates approximately 23 percent of the greenhouse gas emissions in the US. As infrastructure associated with production and distribution of hydrogen continues to expand, ... | ||
| 27 |
 |
Reduced order model of a lime kiln for fuel switching | The lime kiln is an essential part of the causticizing loop in the kraft pulp mill. It is also the last operating unit that routinely fires fossil fuels like natural gas and fuel oil. Displacing these fossil fuels with biomass like bark or sawdust is done, as is firing lignin extracted from black li... | ||
| 28 |
 |
Radiant wall burner design improvements for retrofit applications | This paper explores solutions to challenging radiant wall burner retrofit applications. For example, a significant challenge facing the combustion industry today is being able to bring old technology into compliance with new regulations without sacrificing performance. Many existing radiant wall bur... | ||
| 29 |
 |
Clearsign core process burners and boiler burners - burner scaling and field results | 2022 | During previous AFRC Industrial Combustion Symposia, ClearSign Technologies Corporation introduced its ClearSign Core technology currently used in our Ultra Low NOx burner products. These ClearSign Core products have now been developed for different types of equipment applications to meet stringent ... | |
| 30 |
 |
Texas progress in flaring - 6 years of emissions data 2015 through 2020 | 2020 | Following nearly a decade of flare performance inquiry, modeling, and testing in the early 2000s, new United States Environmental Protection Agency (USEPA) flare regulations have been enacted for the petroleum refinery sector in 2012 and 2015. The stated objective of these new regulations was th... | |
| 31 |
 |
Decarbonizing: the future of hydrogen firing | Historically, firing hydrogen fuel was only economical in certain applications outside of the power industry. Unlike other fossil fuels, hydrogen does not naturally exist as H2 and is commonly produced in hydrogen reformers and considered an energy carrier and not an energy source. Steam-methane ref... | ||
| 32 |
 |
Firing of liquid bio-derived fuels for decarbonization of high temperature industrial heating processes | Recent commitments to CO2/Green-House Gas emissions reductions by governmental, NGO and industrial corporations require that new energy sources be found to replace fossil fuels. While some are envisioning ‘The Electrification of Everything,' High temperature industrial heating processes have been ... | ||
| 33 |
 |
Ammonia for industrial combustion | ammonia combustion; hydrogen; methane | Many companies are investigating switching from conventional fossil fuels to "green" fuels such as hydrogen to reduce CO2 emissions. This assumes hydrogen is made by an environmentally-friendly method such as electrolysis using renewable energy. However, there are concerns with hydrogen. For example... | |
| 34 |
 |
A bayesian decision-theory-based digital twin for methane flares | 2022 | Ground flares operate in a high-turndown, standby configuration for a significant portion of their operating life, being fully utilized only under process upset scenarios or emergencies. The low-momentum flow results in poor fuel-air mixing near the flare tip, leading to decreased overall combustion... | |
| 35 |
 |
Analysis of design and operation of multi-point ground flares | 2022 | Multi-point ground flares (MPGF) are used to process large quantities of hydrocarbon gases generated in chemical processing or petrochemical refining. These flares use hundreds of flare burners arranged and fired in a staged fashion. A wind fence surrounds the MPGF to shield the flames from plant op... | |
| 36 |
 |
Investigative approach to address thermoacoustic vibration in gas-fired heaters and boilers | 2022 | Industrial gas-fired boilers, furnaces and heaters occasionally encounter low-frequency vibrations generated by dynamic feedback between the burner (or burners) and acoustic modes in adjacent cavities in the main combustion chamber or ductwork. Feedback occurs when pressure pulses associated with ac... | |
| 37 |
 |
A volume of fluid approach to model injection of highly viscous fluids | 2022 | Despite the transition to renewable energy sources, fossil fuels will still play a significant role in satisfying the world's energy needs shortly. In addition, the rise in the demand for light distillates and the depletion of light crude oil reservoirs are shifting the interest toward the conversio... | |
| 38 |
 |
Model-based design and full-scale demonstration of an oxy-coal firing system with undiluted oxygen and minimal flue gas recycle | The future use of coal as a fuel for industrial applications depends on economical technologies being made available to capture and store the CO2 emitted as a product of the combustion process. One such technology is oxy-combustion, which involves burning of the fuel using pure oxygen as the oxidant... | ||
| 39 |
 |
A chemical kinetics approach for heavy fuel oils gasification modelling | 2022 | surrogate; HFOs; pyrolysis; chemical kinetics modeling; Gassification | Refinery oil residue commonly considered the bottom of the barrel, can no longer be a waste. The increasing energy demand and the constant depletion of light oil supply make it crucial to find a suitable way to convert residual oils into valuable fuels. The gasification process represents a possible... |
| 40 |
 |
Using numberical simulation to diagnose boiler tube failures | A VU-60 type boiler has been commissioned in 1999 for a water desalinization plant. It is used for the production of 369 tonne/hr of saturated steam at pressure of 22 barg. Natural gas is fired through six front fired burners which can be adjusted in the field to obtain an appropriate flame shape fo... | ||
| 41 |
 |
The advantages of monitoring flare pilots with instantaneous response | 2020 | This paper will discuss applications for and details of a fiber optic pilot monitoring system that addresses known, specific challenges in the market. For decades, thermocouples have been the most widely accepted device for determining flare pilot status. However, there is a growing desire in the in... | |
| 42 |
 |
Three canister regenerative thermal oxidizer with secondary & tertiary heat recovery | This system layout was initially developed for a Metal Finishing operation to have a Regenerative Thermal Oxidizer, as a pollution control device, and at the same time recycles hot air back into the process. There is a Secondary Heat Exchanger, which recovers un-used heat from the Regenerative Therm... | ||
| 43 |
 |
Simulation of the thermal-acoustic coupling inside an industrial hazardous waste incinerator | To analyze the coupling between combustion reactions and the natural acoustic behavior of a reactor, a transient LES based CFD code has been used. Previous transient analysis of ignition inside large process heaters, of multi-tipped elevated gas flares and waste incinerators has shown the ability of... | ||
| 44 |
 |
Process Burner Tiles | Many people think that the burner tile is simply a piece of refractory or firebrick. Nothing could be further from the truth! The burner tile is the "heart" of the burner. Tile that has not been poured correctly, installed correctly, or that has not been properly maintained can have a serious impact... | ||
| 45 |
 |
Modeling sulfur-Nitrogen chemistry indside a claus reaction furnace | This paper describes a CFD analysis of a Sulfur Recovery Unit (SRU) considering transient turbulent reacting flow inside the SRU. Often, the SRU feedstock includes hydrocarbons together with nitrogen and sulfur species, which react with oxygen in the air to form various emissions including SO2, NH3 ... | ||
| 46 |
 |
New developments in flaring liquid natural gas without vaporization of the waste stream | 2020 | This paper will explore best practices and lessons learned during the development, testing, and implementation of a mechanically atomized multi-jet liquid flare for liquified natural gas (LNG). Liquefaction facilities convert natural gas into LNG by cooling it to a liquid state at -259⁰F (- 162⁰... | |
| 47 |
 |
Flare combustion index in lieu of combustion zone net heating value | 2020 | Flares are commonly used at industrial facilities (e.g., oil and gas extraction and production sites, gas processing plants, oil refineries, and petrochemical manufacturing plants) to safely dispose of process waste gases. Waste gases may be produced due to process upset or because they are unrecove... | |
| 48 |
 |
Hardening of arches for commercial simulation of industrial flares: a program update | Reaction Engineering International (REI) is working with the University of Utah to leverage the Uintah Computational Framework (UCF) for commercial simulation of industrial flares, with funding from the Department of Energy (DOE). The Arches component of the UCF provides a reacting large eddy simula... | ||
| 49 |
 |
Design Considerations for Carbon-Free Combustion | Decarbonization; Hydrogen Combustion; Carbon Dioxide; Carbon-Free Combustion; CO2 Emissions; Greenhouse Gas Emissions | Combustion of a hydrocarbon produces water and carbon dioxide. As consensus continues to build around the contributions of carbon in global client change, jurisdictions, both internationally as well as domestically, are working towards limiting formation of carbon dioxide. One way to work toward eff... | |
| 50 |
 |
ClearSign eye™: pilot sensor | Clearsign Technologies Corp. has developed and tested a novel, capacitive based flame sensor for use on existing burners in a variety of industrial combustion applications including process burners, boiler burners and flares. ClearSign has developed two probe designs. The first probe design is compa... |