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Titolo:
Solid recycle characteristics of loop-seals in a circulating fluidized bed
Autore:
Kim, SW; Namkung, W; Kim, SD;
Indirizzi:
Korea Adv Inst Sci & Technol, Dept Chem Engn, Taejon 305701, South Korea Korea Adv Inst Sci & Technol Taejon South Korea 305701 5701, South Korea Korea Adv Inst Sci & Technol, Energy & Environm Res Ctr, Taejon 305701, South Korea Korea Adv Inst Sci & Technol Taejon South Korea 305701 5701, South Korea
Titolo Testata:
CHEMICAL ENGINEERING & TECHNOLOGY
fascicolo: 8, volume: 24, anno: 2001,
pagine: 843 - 849
SICI:
0930-7516(200108)24:8<843:SRCOLI>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
PRESSURE; FLOW;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Kim, SD Korea Adv Inst Sci & Technol, Dept Chem Engn, Taejon 305701, SouthKorea Korea Adv Inst Sci & Technol Taejon South Korea 305701 uth Korea
Citazione:
S.W. Kim et al., "Solid recycle characteristics of loop-seals in a circulating fluidized bed", CHEM ENG TE, 24(8), 2001, pp. 843-849

Abstract

Solid recycle characteristics through a conventional and a newly developedloop-seal (0.08 m i.d.) system are determined in a circulating fluidized bed of FCC or silica sand particles. In the loop-seal developed here, gas was injected downward tangentially to the wall of the loop-seal to increase solids mass flux with stable flow. For conventional loop-seal, solids mass fluxes increase linearly with increasing aeration rate but it reaches a maximum value. At the same aeration rate with different aeration locations (0.1- 0.6 m) in a conventional loop-seal, a maximum solids mass flux is seen at a height to diameter ratio of 2.5. For the newly developed loop-seal, mass fluxes of FCC and sand particles are higher and more stable than in conventional loop-seal at the same aeration rate. The solid mass fluxes obtainedhave been correlated with the aeration rate and Archimedes number.

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Documento generato il 28/09/20 alle ore 02:36:43