CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...
CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...
CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...
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Type<br />
316<br />
Concen- Temperature HASTELlOY~ alloy Staintration.<br />
less<br />
Corrosive Media percent dei. F deg. C 8/8-2 C/C-276 G/G-3 Steel Conditions<br />
Scrubbing liquor, - 145 63 - E G S aeration<br />
Power Plant Fluegas<br />
Scrubbing liquor, - 150-350 66-177 - G G G aeration<br />
Power Plant Fluegas<br />
Scrubbing liquor, - 176 80 - E E E H2S sparged into citric acid NaCO) plus absorbed S02 solution to put<br />
Power Plant Fluegas<br />
sulfur. pH 4-5. Citrate process for sulfur dioxide removal (and sulfur<br />
recovery)<br />
Aeration - none<br />
Agitation - violent<br />
Total days - 91<br />
II ..<br />
Scrubbing liquor, - 176 80 - E E E S02 being absorbed in solution of citric acid, 80 gil Na2CO); pH 4.0-5.0.<br />
Power Plant Fluegas<br />
Citrated process for sulfur dioxide removal (and sulfur recovery)<br />
Aeration - moderate<br />
Agitation - by liquid flow<br />
Total days - 91<br />
Scrubbing liquor, - 176 80 - E E E recycled and makeup 190 gil citric acid, 80 gil Na2CO), pH 4·5. Citrate<br />
Power Plant Fluegas<br />
process for sulfur dioxide removal (and sulfur recovery)<br />
Aeration - none<br />
Agitation - agitated<br />
Total days - 91<br />
Scrubbing liquor, - 240 116 - - E E S02 1600·2000 ppm, 14% CO2, 3%° 2 , exposed to liquor spray at pH 10<br />
Power Plant Fluegas<br />
containing solids. Scrubbing S02 and fly ash from power plant flue gas.<br />
Aeration - extensive<br />
Agitation - 5-10 ft/sec.<br />
Total days - 135.6<br />
Scrubbing liquors - 70 21 - E - B hydrochloric acid, sulfuric acid, sulfurous acid, hydrobromic acid,<br />
Smoke and Fluegas<br />
organic solvents, some chlorinated, pH approx. 1, moderate aeration<br />
Scrubbing liquors - 117 47 - E - E calcium sulfite, calcium sulfate, calcium carbonate, fly ash, all suspended<br />
Smoke and Fluegas<br />
as 10·15% (by wI.) slurry, pH not specified<br />
Scrubbing liquors - 130 54 - E - E flue gas containing sulfur dioxide. Entrained potassium sulfite·bisulfate<br />
Smoke and Fluegas<br />
solution, pH about 4.0, extensive aeration<br />
Scrubbing Liquors - 135 57 - E - E flue gas scrubbing liquor containing fly ash and dissolved chlorides,<br />
Smoke and Fluegas<br />
sulfur oxides, nitrogen oxides, carbon dioxide and carbon monoxide, pH<br />
4.5, extensive aeration<br />
Scrubbing liquors - 140 60 - E - - flue gas containing wetted fly ash. Scrubber liquor containing sulfuric<br />
Smoke and Fluegas<br />
acid 0.19%, hydrochloric acid 0.057%, pH 2 to 5, extensive aeration<br />
Scrubbing liquors - 160 71 - E - E water scrubber; pH 2.53; chloride 175 ppm, sulfate 75 ppm, moderate<br />
Smoke and Fluegas<br />
aeration<br />
Scrubbing liquors - 164 73 - E - E flue gas from incinerator, scrubbed<br />
Smoke and Fluegas<br />
Scrubbing liquors - 170 77 - E - E water from incinerator scrubber. Chlorides 900·1000 ppm, iron 24 ppm.<br />
Smoke and Fluegas<br />
pH 1.95-2.03, extensive aeration<br />
Scrubbing Liquors - 175 79 - G - B flue gas containing H20, S02, SO), HCI, H2S and NaOH<br />
Smoke and Fluegas<br />
Scrubbing liquors - 175 79 - E - G flue gas containing H20, S02, SO), HCI, H2S and NaOH<br />
Smoke and Fluegas<br />
Scrubbing liquors - 200 93 - E - E flue gas containing H20, S02, SO), HCI, H2S and NaOH<br />
Smoke and Fluegas<br />
Scrubbing liquors - 200 93 - E - E flue gas, water-scrubbed, from combustion of municipal refuse; nearly<br />
Smoke and Fluegas<br />
saturated with water vapor, considerable aeration<br />
Scrubbing liquors - 280 138 - E - S flue gas containing sulfur dioxide and sulfur trioxide. Considerable liquid<br />
Smo~. and Fluegas water and water vapor, pH 2.0 to 4.0, entrained, extensive aeration<br />
Scrubbing liquors - 80 27 - E - E calcium carbonate, calcium sulfate, calcium sulfite, and fly ash all<br />
Sulfur Dioxide<br />
suspended as about 20% (by wt.) slurry. pH not specified, moderate<br />
aeration<br />
Scrubbing liquors - 89 32 - E - - limestone slurry 15% CaCO) in water. pH 6.3·7.9<br />
Sulfur Dioxide<br />
Scrubbing liquors - 93 34 - E - - 5% H2S0 4 scrubbing solution for smelter gas containing 2·10% O2• less<br />
Sulfur Dioxide<br />
than 500 ppm sulfur dioxide and 160 ppm chlorides, extensive aeration<br />
Scrubbing liquors - 100 38 - E - - copper smelter gas and recycled cooling spray water (pH as low as 1.7<br />
Sulfur Dioxide<br />
average 2.5) 1·1.5% S02 in gas plus particulate and SO), extensive<br />
aeration<br />
E - Less than 2 mpy (0.05 mm/y)<br />
G- 2 mpy (0.05 mm/y) to 10 mpy (0.25 mm/y)<br />
S - Over 10 mpy (0.25 mm/y) to 20 mpy (0.51 mm/y)<br />
B - Over 20 mpy (0.51 mm/y) to 50 mpy (1.27 mm/y)<br />
U - More than 50 mpy (1.27 mm/y)<br />
42