skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Low NOx at low cost for glass melters

Abstract

A major goal of the natural gas industry is developing new industrial technologies that reduce NO{sub x} emissions without sacrificing productivity and product quality. With the development of Oxygen Enriched Air Staging (OEAS), the industry is reaching that goal. OEAS is a retrofit air staging technology for regenerative glass melting furnaces. The patented OEAS process uses oxygen-enriched air-staged combustion to reduce NO{sub x} with minimal furnace modification and no impact on furnace operation or glass quality. In endport furnaces, a portion of the hot combustion air is removed from the firing side regenerator prior to the burner location. This produces an oxygen-deficient flame which results in reduced NO{sub x}. Then, oxygen-enriched air is injected into the furnace at strategic locations downstream of the flame. This acts as a secondary oxidant and effectively combusts any unburned hydrocarbons or carbon monoxide within the melter without forming additional NO{sub x}. Several variations of the system were also developed by the project team. These include using ambient or hot air entrained by oxygen or compressed air, or using air supplied by blowers, with or without oxygen as the secondary oxidant. These variations have also produced NO{sub x} reductions.

Publication Date:
OSTI Identifier:
260713
Resource Type:
Journal Article
Journal Name:
Plant Engineering (Chicago)
Additional Journal Information:
Journal Volume: 50; Journal Issue: 6; Other Information: PBD: Jun 1996
Country of Publication:
United States
Language:
English
Subject:
03 NATURAL GAS; 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; GAS FURNACES; RETROFITTING; NATURAL GAS; STAGED COMBUSTION; NITROGEN OXIDES; AIR POLLUTION ABATEMENT; OXYGEN ENRICHMENT; GLASS INDUSTRY

Citation Formats

. Low NOx at low cost for glass melters. United States: N. p., 1996. Web.
. Low NOx at low cost for glass melters. United States.
. 1996. "Low NOx at low cost for glass melters". United States.
@article{osti_260713,
title = {Low NOx at low cost for glass melters},
author = {},
abstractNote = {A major goal of the natural gas industry is developing new industrial technologies that reduce NO{sub x} emissions without sacrificing productivity and product quality. With the development of Oxygen Enriched Air Staging (OEAS), the industry is reaching that goal. OEAS is a retrofit air staging technology for regenerative glass melting furnaces. The patented OEAS process uses oxygen-enriched air-staged combustion to reduce NO{sub x} with minimal furnace modification and no impact on furnace operation or glass quality. In endport furnaces, a portion of the hot combustion air is removed from the firing side regenerator prior to the burner location. This produces an oxygen-deficient flame which results in reduced NO{sub x}. Then, oxygen-enriched air is injected into the furnace at strategic locations downstream of the flame. This acts as a secondary oxidant and effectively combusts any unburned hydrocarbons or carbon monoxide within the melter without forming additional NO{sub x}. Several variations of the system were also developed by the project team. These include using ambient or hot air entrained by oxygen or compressed air, or using air supplied by blowers, with or without oxygen as the secondary oxidant. These variations have also produced NO{sub x} reductions.},
doi = {},
url = {https://www.osti.gov/biblio/260713}, journal = {Plant Engineering (Chicago)},
number = 6,
volume = 50,
place = {United States},
year = {Sat Jun 01 00:00:00 EDT 1996},
month = {Sat Jun 01 00:00:00 EDT 1996}
}