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Sulfur stripped from sulfur fumes in other units of the sulfur acid plant is routed through the sulfur reaction unit to be converted to elemental sulfur. The main purpose of the reaction furnace is to burn part of the feed at temperatures up to 2800°F. Gases then pass through a series of converters and condensers that convert the gases to elemental sulfur and condense them to liquid. All process units operating over 500°F must use refractory linings to maintain steel-shell stability.

HarbisonWalker International provides several excellent solutions for hot-face linings in sulfur reaction units. These products are all available in hundreds of different shapes to effectively meet your needs.

UFALA®, a dense 60 percent alumina, low-alkali-impurity firebrick, is ideal for refractory linings operating up to 2600°F. It resists hydrogen sulfide gas and provides a highly reliable brick lining.

KORUNDAL XD® is a dense, 90 percent alumina-mullite bonded brick refractory. It resists hydrogen sulfide gas operating at temperatures over 2800°F.

Products
Sulfuric Acid Plants

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Product SDS
ARCO® 60 HS A high fired, 60% alumina brick English
AUREX® 75 SR An alumina-chrome brick with 75% chrome, designed for thermal shock resistance English
CLIPPER® DP A super duty fireclay brick
GREENCAST®-94 F PLUS A 94% alumina, low silica castable
GREENCAST®-94 GR PLUS A 94% alumina, low silica gunning mix
GREENCAST®-94 PLUS A 94% alumina, low silica castable
GREENTHERM 23 LI A 2300°F rated insulating firebrick
GREENTHERM 28 LI A 2800°F rated insulating firebrick
H-W CORUNDUM A high purity, 99% alumina brick English
HPV® 110 GUN MIX A 110lb/ft3, abrasion resistant gunning castable
INSWOOL®-HP BLANKET A 2300°F rated, alumina silica ceramic fiber blanket
KALA® A 50% alumina brick
KALA® HPC CHECKERS A 50% alumina brick
KAST-O-LITE 23 LI PLUS A 2300°F rated lightweight gunning mix
KAST-O-LITE® 23 LI PLUS A 2300°F rated lightweight gunning mix
KORUNDAL XD
KORUNDAL XD.pdf
KORUNDAL XD® A 90% alumina, mullite bonded brick with low porosity
KRUZITE®-70 A 70% alumina brick
KX-99® A high fired, super duty fireclay brick
KX-99®-BF A high fired, super duty fireclay brick
MC-25® PLUS A fireclay based, conventional cement castable with coarse aggregate English
RUBY® SR An alumina-chrome brick with 10% chrome, designed for thermal shock resistance
TUFLINE® 98 DM A 98% alumina brick designed for thermal shock resistance English
UFALA® A 60% alumina brick shape
UFALA® A 60% alumina brick shape
ULTRA-EXPRESS® 70 A 70% alumina, free flowing, ultra-low cement castable
VERSAFLOW® 45 PLUS A fireclay based, low-cement castable
VERSAFLOW® 57A PLUS An andalusite containing, low-cement castable
VERSAFLOW® 70 PLUS A 70% alumina, low-cement castable
VERSAFLOW® 70/CU ADTECH® A 70% alumina, low-cement castable
VERSAGUN® ABR PLUS A 60% alumina, low-cement gunning mix designed for abrasion resistance
VISIL® A vitreous silica brick

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