Regenerative process for desulfurization of high temperature combustion and fuel gases

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Dept. of Energy, Brookhaven National Laboratory, Dept. of Energy and Environment, Process Sciences Division, for sale by the National Technical Information Service , Upton, N.Y, Springfield, Va
Desulfurization, Sulfuration, Gases at high tempera
SeriesBNL ; 50750
ContributionsUnited States. Dept. of Energy
The Physical Object
Paginationv. :
ID Numbers
Open LibraryOL14877390M

@article{osti_, title = {Regenerative process for desulfurization of high temperature combustion and fuel gases.

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Quarterly progress report No. 6, July Septem }, author = {Yang, R T and Albanese, A S and Chen, J M and Farber, G and Kainz, F B and Pruzansky, J and Shen, M S and Smol, R}, abstractNote = {The Brookhaven Regeneration Process, which comprises reacting.

Technical Report: Regenerative process for desulfurization of high temperature combustion and fuel gases. Quarterly progress report No. 5, April J Get this from a library. Regenerative process for desulfurization of high temperature combustion and fuel gases.

[Brookhaven National Laboratory. Process Sciences Division.; United States. Department of Energy.]. Regenerative process for desulfurization of high temperature combustion and fuel gases. Quarterly progress report No.

9, April J Quarterly progress report No. 9, April 1. Technical Report: Regenerative process for desulfurization of high temperature combustion and fuel gases.

Quarterly progress report No. 12, January 1-Ma Quarterly progress report No. 12, January 1-Ma Sorbent materials that allow for high-temperature, regenerative desulfurization of fuel gas streams for the anode of a solid oxide fuel cell have been developed.

Reversible adsorption of H2S on cerium and lanthanum oxide surfaces is demonstrated over many cycles at temperatures as high as °C, on both fresh or presulfided sorbents, and at very high space velocities. modynamic criteria for desulfurization capability at high temperature range (–1,°C) and the free energy minimization method of screening, they came to a final.

Introduction Desulfurization processes at high temperature in boiler and at low temperature downstream of gas preheater are well investigated. In the development of Oxyfuel and Regenerative Calcium Cycle (RCC), interests arise in medium temperature desulfurization in system integration.

Desulfurization of fuel gases to the lowest possible levels is critical from an environmental and commercial standpoint because of the polluting impact of and governmental restrictions on the amount of sulfur released into the atmosphere from the combustion of coal.

Desulfurization is as essential for the efficient, long term operation of fuel. Request PDF | Medium Temperature Desulfurization for Oxyfuel and Regenerative Calcium Cycle | Desulfurization at medium temperature was investigated with focus on impacts of temperature. Reactivity and durability of iron oxide high temperature desulfurization sorbents.

Energy & Fuels7 (5), DOI: /efa Eiji Sasaoka, Tomoo Ichio, and Shigeaki Kasaoka.

Description Regenerative process for desulfurization of high temperature combustion and fuel gases FB2

High-temperature hydrogen sulfide removal from coal-derived gas by iron ore. Abstract. An overview is given of recent developments in the field of regenerative, high temperature, coal gas desulfurization. The results of a wide variety of sorbents and reactor types either tested on lab- bench- as well as on pilot-plant scale are presented.

The principle of a regenerative cycle is to recover some of the exhaust heat and transfer it to the combustion air. This can only be achieved if the turbine exhaust temperature is greater than the compressor exit temperature, and therefore implies that the optimum cycle pressure ratios are lower than those of the optimised simple cycle gas turbines, as discussed in Section Ce2O3 and La2O3 are excellent choices for hot gas desulfurization to desulfurization material.

The structural properties of this type sorbents in regenerative desulfurization need to be fully understood to enable proper design for the intended application. A Comparison of Flue Gas Desulfurization Processes Article in Energy Sources 22(3) March with Reads How we measure 'reads'.

Examples of common flue gas cleaning processes are: (1) a wet scrubbing process, which uses a slurry of alkaline sorbent, usually limestone or lime, or seawater to scrub the gases, (2) a spray-dry scrubbing process, which uses similar sorbent slurries as described in the first category, (3) a wet sulfuric acid process, which allows the recovery of sulfur in the form of commercial quality sulfuric.

Effect of outlet gas temperature on the entropy for the normal air combustion, the regenerative combustion, and the oxyfuel combustion when the furnace temperature Th = K.

Details Regenerative process for desulfurization of high temperature combustion and fuel gases EPUB

Flue Gas Desulfurization. Flue gas desulfurization (FGD) is a very common method for gas claning adopted in a gas processing plant. In this process, the flue gas with acid vapors is scrubbed to remove it as a by-product. Most of the FGD processes use alkali to scrub the flue gas.

Many designers of FGD adopt the limestone gypsum process. Shaddix, A. Molina, in Oxy-Fuel Combustion for Power Generation and Carbon Dioxide (CO2) Capture, Introduction. Oxy-fuel combustion of coal produces various changes in the combustion process itself. These combustion-related effects are manifest in coal ignition and coal char combustion and burnout and thus play important roles in the practical consideration of flame stability.

Request PDF | Regenerative Adsorption and Removal of H2S from Hot Fuel Gas Streams by Rare Earth Oxides | Sorbent materials that allow for high-temperature, regenerative desulfurization of fuel.

energies Article Kinetic Evaluation of Lime for Medium-Temperature Desulfurization in Oxy-Fuel Conditions by Dry Sorbent Injection Meher G. Sanku 1, Hanna K. Karlsson 1, Christian Hulteberg 1,*, Wuyin Wang 2, Olaf Stallmann 3 and Hans T. Karlsson 1 1 Department of Chemical Engineering, Lund University, BoxSE 00 Lund, Sweden 2 GE Power Sweden AB, SE 41 Växjö, Sweden.

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Electrostatic precipitators or fabric filters remove particulate matter and flue-gas desulfurization captures the sulfur dioxide produced by burning fossil fuels, particularly coal.

Nitrogen oxides are treated either by modifications to the combustion process to prevent their formation, or by high temperature or catalytic reaction with ammonia or urea. In either case, the aim is to produce nitrogen gas, rather than nitrogen oxides. Oxidative Desulfurization process of sulfur Compound dibenzothiophene (DBT)to sulfone Jianghua Qiu et al.

[13] prepared H. PMo. 40 /SiO. catalyst for catalytic oxidative desulfurization of fuel oil. The HPMo/SiO. catalysts were very efficient for the oxidation of DBT and BT in the model fuel oil by using of H.

as the. In order to eliminate the combustion gases emitted by coal-fired plants, incinerators and industrial plants, one of the methods used is the flue-gas desulfurization (FGD).

It is a process used to eliminated the sulphur dioxide (SO2). Read more. 2° The Challenge. The gauge to measure the level of the fluid (lime slurry) involved in the.

Stabilization and Regeneration of Spent Sorbents. Authors; Authors and affiliations U., “Regenerative Sorbents for High Temperature Desulfurization of Coal Combustion Gases.” Proceedings of the Sixth Annual International Pittsburgh Coal Conference 2, SeptemberAbbasian J.

() Stabilization and Regeneration of. Flue gas is the gas exiting to the atmosphere via a flue, which is a pipe or channel for conveying exhaust gases from a fireplace, oven, furnace, boiler or steam often, the flue gas refers to the combustion exhaust gas produced at power composition depends on what is being burned, but it will usually consist of mostly nitrogen (typically more than two-thirds) derived.

Petroleum coke, abbreviated coke or petcoke, is a final carbon-rich solid material that derives from oil refining, and is one type of the group of fuels referred to as e is the coke that, in particular, derives from a final cracking process—a thermo-based chemical engineering process that splits long chain hydrocarbons of petroleum into shorter chains—that takes place in units.

For a typical coal-fired power station, flue-gas desulfurization (FGD) may remove 90 percent or more of the SO 2 in the flue gases. History. Methods of removing sulfur dioxide from boiler and furnace exhaust gases have been studied for over years.

Early ideas for flue gas desulfurization were established in England around About RTOs (Regenerative Thermal Oxidizers) Summary: An RTO burns very lean waste gases without using much fuel. Operating temperature is about the same as a normal thermal oxidizer (say oF), but the hot flue gas passes through a heat exchange module before reaching the stack.

Flue-gas desulfurization (FGD): Disadvantages: High capital and O&M cost Scaling and deposit of wet solids on absorber and downstream equipment Wet system generates a water waste product and may result in visible plume Cannot be used for waste gas SO2 concentrations greater than 2, ppm Disposal of waste products significantly increases O&M costs.Jalan, V.

and Wu, D., “High Temperature Desulfurization of Fuel Gases for Molten Carbonate Fuel Cell Power Plants. National Fuel Cell Seminar, San Diego, CA, ; also in Giner, Inc., Final Report to Argonne National Laboratory, Contract No.Waltham, MA, Google Scholar.

Another reason the existing molten alkali carbonate processes for fuel gas desulfurization do not meet the desulfurization needs of existing coal-fired boilers is that they must operate at relatively high temperatures, e.g. above approximately ° F. Fuel gases contain high proportions of CO and high pCO/pCO 2 ratios; thus cooling to that.