MASS-TRANSFER OF DISSOLVED-GAS FROM A LIQUID INTO A RISING BUBBLE SWARM

被引：4

作者：

SCHNEIDER, S ^{[1
]}

XIE, YK ^{[1
]}

OETERS, F ^{[1
]}

机构：

[1] TECH UNIV BERLIN,INST MET,W-1000 BERLIN 12,GERMANY

来源：

STEEL RESEARCH | 1991年 / 62卷 / 07期

关键词：

D O I：

10.1002/srin.199101299

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Mass transfer of dissolved gas from a liquid into a rising bubble swarm of inert gas is a transitoric reaction. The theory of such processes is described. The extraction of carbon dioxide dissolved in water by air purging was measured as a model reaction. It was found that the overall rate constant of the reaction is almost exclusively determined by the purging-gas blowing-rate. Nozzle position and number of nozzles have no influence on the reaction rate. This finding is explained by the fact, observed elsewhere, that the bubble-size distribution function is constant and only a function of the liquid's physical properties. The measured rate constants agree with theoretically calculated ones, if the influence of turbulence on mass transfer into the bubbles is considered.

引用

页码：296 / 302

页数：7

共 26 条

[1]

ABRATIS H, 1985, ENTSCHWEFELUNG NACH, P359

[2] GAS ABSORPTION BY LARGE RISING BUBBLES [J].

BAIRD, MHI ;

DAVIDSON, JF .

CHEMICAL ENGINEERING SCIENCE, 1962, 17 (02) :87-93

[3]

BAUER H, 1971, STOFFAUSTAUSCH EINSC

[4]

BOXGES W, 1969, CHEM-ING-TECH, V41, P1273

[5]

Calderbank P.H, 1967, CHEM ENG-NEW YORK, V45, P209

[6]

CASTILLEJOS AH, 1986, 4TH P INT C INJ MET

[7] THE MECHANICS OF LARGE BUBBLES RISING THROUGH EXTENDED LIQUIDS AND THROUGH LIQUIDS IN TUBES [J].

DAVIES, RM ;

TAYLOR, G .

PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1950, 200 (1062) :375-390

[8]

GALSTNER H, 1979, VGB KRAFTWERKSTECHNI, V59

[9] BUBBLE COLUMN REACTORS [J].

GERSTENBERG, H .

CHEMIE INGENIEUR TECHNIK, 1979, 51 (03) :208-216

[10]

GORGES H, 1976, STAHL EISEN, V96, P1251

← 1 2 3 →