Foam Breaking Characteristics of a Mechanical Foam-Breaker Using Shear Force Fitted to a Stirred-Tank Reactor

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概要

• 論文の詳細を見る

• This study examined foam breaking characteristics of a mechanical foam-breaker using shear force (MFUS) between a fixed orifice plate and a rotating disk fitted to a stirred-tank reactor (STR). The effects of operating conditions on the liquid holdup in foam φL and the volumetric rate of foam flow Qa, which reflect the foaming behavior of the STR, were revealed. The foam-breaking behavior of the MFUS was investigated from changes in the foam density after foam breaking (ρf)c, which remained constant at a disk rotational speed N, transitional disk rotational speed Nt, and shearing power Ps. The value of (ρf)c decreased concomitant with the increase in the mass flow rate of liquid in the foam flowing into the orifice, wL. The Nt became larger concomitant with the lower average ascending velocity of the foam Ua and higher φL. The magnitude of Ps was related to that of wL. Empirical equations for predicting (ρf)c, Nt and Ps were obtained based on those results.

• 社団法人 化学工学会の論文
• 2007-07-01

著者

• YOSHIDA Masanori

  Department of Pharmacology, Graduate School of Medicine, Osaka City University

• YAMAGIWA KAZUAKI

  Department of Chemistry and Chemical Engineering, Niigata University

• Yamagiwa K

  Niigata Univ. Niigata Jpn

• Yamagiwa Kazuaki

  Department Of Chemical Engineering Faculty Of Engineering Niigata University

• OHKAWA Akira

  Department of Chemistry and Chemical Engineering, Niigata University

• TAKESONO Satoshi

  Department of Applied Chemistry and Biotechnology, Niigata Institute of Technology

• ONODERA Masayuki

  Department of Applied Chemistry and Biotechnology, Niigata Institute of Technology

• Takesono Satoshi

  Department Of Applied Chemistry And Biotechnology Niigata Institute Of Technology

• Ohkawa A

  Niigata Univ. Niigata Jpn

• Ohkawa Akira

  Department Of Chemistry And Chemical Engineering Niigata University

• Ohkawa Akira

  Department Of Chemical Engineering Faculty Of Engineering Niigata University

• Ohkawa A

  Department Of Chemistry And Chemical Engineering Niigata University

• Ohkawa Akira

  Department Of Chemistry And Chemical Engineering Faculty Of Engineering Niigata University

• Yamagiwa K

  Department Of Chemistry And Chemical Engineering Niigata University

• Yoshida M

  Department Of Chemistry And Chemical Engineering Niigata University

• Onodera Masayuki

  Department Of Biosystem Science Graduate School Of Science And Technology Niigata University

• Onodera Masayuki

  Faculty Of Engineering Niigata Institute Of Technology

• Onodera Masayuki

  Department Of Agricultural Chemistry Faculty Of Agriculture Niigata Unirersity

• Yamagiwa Kazuaki

  Graduate School Of Science And Technology Department Of Chemistry And Chemical Engineering Niigata U

• Yoshida Masanori

  Department Of Chemistry And Chemical Engineering Niigata University

• Yoshida M

  Department Of Chemical Engineering Tohoku University

• Yoshida Masanori

  Department Of Biotechnology Faculty Of Science And Engineering Ritsumeikan University

• Yoshida M

  Ritsumeikan Univ. Kusatsu

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