Removal of boron from coal fly ash by washing with HCl solution

Fuel

Volumn 88, Issue 7, 2009, Pages 1245-1250

  Kashiwakura, Shunsuke ^a   Kubo, Hironari ^b   Kumagai, Yuichi ^c   Kubo, Hiroshi ^d   Matsubae Yokoyama, Kazuyo ^a   Nakajima, Kenichi ^e   Nagasaka, Tetsuya ^a  

^a TOHOKU UNIVERSITY   (Japan)

^b Asahi Pretec Corp   (Japan)

^c Soma Environmental Service Co Ltd   (Japan)

^d OBAYASHI CORPORATION   (Japan)

^e NATIONAL INSTITUTE FOR ENVIRONMENTAL STUDIES   (Japan)

Author keywords

Acid washing; Boron; Coal fly ash; Dissolution mechanism; Leaching test

Indexed keywords

ACIDS; ALKALINE EARTH METALS; ALUMINA; BORON; BORON COMPOUNDS; COAL; COAL ASH; COAL INDUSTRY; DISSOLUTION; FLY ASH; HYDROCHLORIC ACID; LEACHING; METAL RECOVERY; NONMETALS; SILICATES; THERMOCHEMISTRY; WASHING;

ACID WASHING; ALKALINE EARTHS; ALKALINE SPECIES; ALUMINO SILICATES; ASH PARTICLES; COAL FLY ASH; COMBUSTION PLANTS; DISSOLUTION BEHAVIORS; DISSOLUTION MECHANISM; FINE PARTICLES; HCL SOLUTIONS; KINETIC MODELS; LABORATORY-SCALE; LEACHING TEST;

COAL COMBUSTION;

EID: 61749099433     PISSN: 00162361     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.fuel.2008.12.027     Document Type: Article

References (14)

1. Coal ash database. Japan Coal Energy Center, Tokyo, Japan; 2008.
2. Meij R. Trace element behavior in coal-fired power plants. Fuel Process Technol 39 (1994) 199-217
3. Notification #46. Environmental regulation for soil pollution. Ministry of the environment, Tokyo, Japan; 2001.
4. TCLP method 1311. Toxicity characteristic leaching procedure. Environmental protection agency, USA; 1992.
5. Yasuhara A et al. Chemical behavior of hazardous substances from waste landfill. Report of special research from the national institute for environmental studies, Tsukuba, Japan; 2000.
6. Ernest M.L., Carl R.R., and Howard F.M. Phase diagram for ceramists. Am Ceram Soc (1964) 219
7. Tsubouchi N., Shibuya K., Hayashi H., and Ohtsuka Y. Leaching behavior of the boron and fluoride in fly ash formed in pulverized coal combustion. Sekitan Kagaku Kaigi 43 (2006) 33-34
8. Iwashita A., Sakaguchi Y., Nakajima T., Takanashi H., Ohki A., and Kambara S. Leaching characteristics of boron and selenium for various coal fly ashes. Fuel 84 (2005) 479-485
9. Yagi S., and Kunii D. Fluidized-solids reactors with continuous solids feed-I: Residence time of particles in fluidized beds. Chem Eng Sci 16 (1961) 364-371
10. Horiuchi S, The utilization of coal ash as paving material. In: The 38th conference of clean coal seminar, 2005, p. 9-21, Ichigaya, Tokyo, Japan.
11. Yearbook of coal, petroleum, and coke statistics. Ministry of economy, trade and industry, Tokyo, Japan; 2004.
12. Yearbook of iron and steel, non-ferrous metals, and fabricated metals statistics. Ministry of economy, trade and industry, Tokyo, Japan; 2001.
13. Coke note. The Japan institute of energy Ed., Tokyo, Japan; 2004.
14. Production and uses of steel slag in Japan. Nippon slag association, Tokyo, Japan; 2007.