A new process to produce granular boric oxide by high temperature dehydration of boric acid in a fluidized bed

Chemical Engineering Research and Design

Volumn 74, Issue 1, 1996, Pages 133-136

  Gurbuz Beker U ^a   Bulutcu, N ^a  

^a ISTANBUL TECHNICAL UNIVERSITY   (Turkey)

Author keywords

Agglomeration; Borax pentahydrate; Boric acid; Boric oxide; Dehydration

Indexed keywords

AGGLOMERATION; DEHYDRATION; FLUIDIZED BEDS; GRANULAR MATERIALS; HIGH TEMPERATURE OPERATIONS;

BORAX PENTAHYDRATE; BORIC ACID; GRANULAR BORIC OXIDE; HIGH TEMPERATURE DEHYDRATION;

BORIDES;

DEHYDRATION; FLUIDIZED BEDS; HIGH TEMPERATURE;

EID: 0029672765     PISSN: 02638762     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (14)

1. Nelson, P. and Campbel, G. W. in R. M. Adams (ed.). 1964. Inorganic boron oxygen chemistry. Boron Metallo-Boron Compounds and Boranes, (John Wiley and Sons. New York).
2. Kemp. P. H., 1956, The Chemistry of Borates, Part I (Borax Cons. Ltd., London.
3. Stern, R. D. and Uchiyama, A. A., 1959, Continuous electrothermic production of boric oxide, US Patent 62 893-838.
4. Nakazato, K., 1986, Manufacture of boric oxide, Japan Patent 62 182 112 [Chem Abs. 107 (1987), 20144w].
5. Mitake, R., 1988, Method for continuous manufacture of high boric oxide powder, Japan Patent 83 103 818 [Chem Abs. 109 (1988). 95565u].
6. Berlin, I., E., Lykov, H. V. and Fedyuskin, B. F., 1967, Preparation of powdered boric oxide in a three zone fluidized bed. USSR Patent 199 020.
7. Khorasam, S. S. M. A. and Kasern, S. M. A., 1967, Thermogravimetry of orthoboric acid and some borate under reduced pressure. Univ Dacca Pacistan Sci Res. 4(4): 173-80.
8. Myauchi, M. and Sakai, K., 1989, Manufacture of high purity of boric oxide. Japan Patent 89 119 511 [Chem Abs. 111 (1989), 197990n].
9. Vasconi, I. and Mazzinghi, P., 1986, Boric acid preparation of controlled dehydration of boric acid, UK Patent 2 192 625.
10. Youchi, I., Wang, F. and Zeng, Q. 1990, A new process for preparing boric oxide by high temperature dehydration of boric acid in fast fluidized bed, Inst Chem Metall Acad Sing, 6(2): 43-9 [Chem Abs. 114 (1991), 45945a).
11. Youchi, I., Wang, F. and Zeng, Q. 1990, A new process for preparing boric oxide by high temperature dehydration of boric acid in fast fluidized bed, Inst Chem Metall Acad Sing, 6(2): 43-9 [Chem Abs. 114 (1991), 45945a).
12. Snell, D. and Ettre, L., 1978, Encyclopedia of Industrial Chemical Analysis, vol. 8: 231 and vol. 7: 368-381 (John Wiley and Sons. New York).
13. Snell, D. and Ettre, L., 1978, Encyclopedia of Industrial Chemical Analysis, vol. 8: 231 and vol. 7: 368-381 (John Wiley and Sons. New York).
14. Beker, G. U., 1992, Production of boric oxide by calcination of ammonium pentaborate and boric acid. PhD Thesis (Istanbul Technical University. Turkey).