73:, the concentration of each gas in a liquid is proportional to the partial pressure of that gas (in the gaseous state) in contact with the liquid. Sparging introduces a gas that has little or no partial pressure of the gas(es) to be removed, and increases the area of the
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into the sparging gas before the sparging gas escapes from the liquid. Many sparging processes, such as solvent removal, use air as the sparging gas. To remove oxygen, or for sensitive solutions or reactive molten metals, a chemically inert gas such as
118:, sparging can remove low-boiling liquids from a solution. The low-boiling components evaporate more rapidly, so the gas bubbles remove more of them from the bulk solution containing higher-boiling components. It is an alternative to
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176:. The argon bubbles rise to the surface, bringing with them some of the dissolved hydrogen. The degassing step reduces the occurrence of
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180:. In the steel making process, this method is used very commonly for duplex steel and some high reactivity metals.
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192:, the use of gas bubbles to separate or extract hydrophobic liquids and/or solids from hydrophilic liquids
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In chemistry, a technique in which gas is bubbled through liquid to remove other gases or liquids
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remediation technique that removes volatile pollutants from contaminated
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M. W. Dong (2000). "Precision in HPLC. Mastering the art of HPLC".
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prior to the material being processed. For example, before casting
172:, argon bubbles are injected into liquid aluminium using a rotary
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Degarmo, E. Paul; Black, J T.; Kohser, Ronald A. (2003).
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270:. Materials Park, OH: ASM International.
237:Materials and Processes in Manufacturing
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106:(HPLC) are often sparged with helium.
104:high-performance liquid chromatography
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164:removes dissolved gases from the
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241:(9th ed.). Wiley. p.
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46:, is a technique in which a
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266:Stefanescu, D. M. (1990).
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220:American Chemical Society
212:Today's Chemist at Work
138:environmental chemistry
126:Environmental chemistry
116:biochemical engineering
298:Laboratory techniques
178:hydrogen gas porosity
140:, air sparging is an
98:Liquid chromatography
50:is bubbled through a
75:gas-liquid interface
54:in order to remove
102:Solvents used in
61:and/or dissolved
59:dissolved gas(es)
16:(Redirected from
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170:aluminium alloys
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166:molten metal
162:gas flushing
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132:Air sparging
120:distillation
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40:gas flushing
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146:groundwater
110:Engineering
71:Henry's law
303:Metallurgy
292:Categories
197:References
158:metallurgy
152:Metallurgy
148:and soil.
44:metallurgy
94:is used.
67:degassing
32:chemistry
222:: 28–32.
184:See also
174:degasser
84:nitrogen
63:volatile
36:sparging
142:in situ
79:diffuse
18:Sparger
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92:helium
52:liquid
218:(8).
90:, or
88:argon
56:other
272:ISBN
247:ISBN
243:284
156:In
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48:gas
42:in
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216:9
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