γ-irradiation of coal and lignite: Effect on extractability

Fuel Processing Technology

Volumn 53, Issue 1-2, 1997, Pages 1-14

  Ram, L C ^a   Tripathi, P S M ^a   Jha, S K ^a   Sharma, K P ^a   Singh, G ^a   Mishra, S P ^b  

^a CSIR CENTRAL INSTITUTE OF MINING AND FUEL RESEARCH   (India)

^b BANARAS HINDU UNIVERSITY   (India)

Author keywords

Degradation cross linking; Lignite; Polyaromatic groups; Radiation chlorination; Sub bituminous coal; irradiation

Indexed keywords

AROMATIC COMPOUNDS; AROMATIC POLYMERS; BITUMINOUS COAL; CHLORINATION; CROSSLINKING; DEGRADATION; DOSIMETRY; LIGNITE; MOLECULAR STRUCTURE; PHOTOCHEMICAL REACTIONS; SOLUBILITY; SOLVENT EXTRACTION;

KUTCH LIGNITE; RADIATION CHLORINATION; RADIOLYSIS; SAMLA COAL;

GAMMA RAYS;

EID: 0031274062     PISSN: 03783820     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0378-3820(96)01083-1     Document Type: Article

References (30)

1. E.J. Henely, L. Karasyk, The effect of gamma irradiation on the extractable matter in bituminous coal, Fuel 40 (3) (1961) 155.
2. V.J. Kasatochkin, N.K. Larina, The structure and properties of coals, Nedra, Moscow, 1995 (in Russian).
3. E. Stach, G.H. Taylor, M.T. Mackowsky, R. Teichmuller, M. Teichmuller, Text Book of Coal Petrology, 2nd ed., Gebr. Berntrager, Berlin, Germany, 1975.
4. N.K. Larina, O.K. Ignatova, V.D. Goroshko, Influence of irradiation on the solubility of Nazarovo brown coal, Khim. Tv. Topliva (English Translation, Solid Fuel Chemistry) 2 (1975) 55.
5. M.M. Roy, Studies on the gamma irradiation of coals, Fuel 42 (2) (1963) 125.
6. O.I. Egorova, A spectral investigation of the decomposition of natural coal, Khim. Tv. Topliva (English Translation, Solid Fuel Chemistry) 2 (1975) 28.
7. R.A. Friedel, J.A. Breger, Effect of gamma radiation on coals, Science 130 (1959) 1762.
8. K. Ouchi, Y. Kawna, H. Hondo, Effect of Co-60 gamma radiation on coals, I: analysis of the decomposition of gases. Fuel 42 (1) (1963) 55.
9. J.A. Hammond, P.L. Walker, The effect of fast neutrons and gamma radiation during low temperature carbonisation of bituminous coals, Ibid. 40 (3) (1961) 171.
10. V.V. Lebedev, K.I. Cheredkova, G.S. Golvina, T.M. Khrenkova, V.D. Goroshko, An investigation of the action of gamma radiation on coal, Khim. Tv. Topliva (English Translation, Solid Fuel Chemistry) 1 (1975) 165.
11. P.S.M. Tripathi, Desulphurisation of high-sulphur coals via yγ-radiolysis, Paper presented at the Symposium on Physico-Chemical Properties of Coal, Indian School of Mines, Dhanbad (India), November, 1988.
12. P.S.M. Tripathi, L.C. Ram, S.K. Jha, G.S. Murty, A novel nuclear method for simultaneous desulphurisation and demineralisation of aqueous coal slurry: prospects of application in hydraulic transportation of Coal, in: Proc. Int. Symp. on Hydraulic Transportation of Coal and Other Materials, ISHT-88, Regional Research Laboratory, Bhubanesar (India), January, 1988, pp. 61-67.
13. P.S.M. Tripathi, L.C. Ram, S.K. Jha, A.K. Bandopadhyay, G.S. Murty, Radiolytic desulphurisation of high-sulphur Indian coals, Fuel 70 (1) (1991) 24.
14. S.N. Tiwari, Mukhdeo, P.S.M. Tripathi, High volatile bituminous Indian coal: efect of gamma irradiation on electrical resistivity, Erdoel und Kohle, Erdgas, Petrochemie (Germany) 47 (11) (1994) 424.
15. V. Mahadevan, P.S.M. Tripathi, Integrated microwave and gamma ray pretreatments for desulphurisation of coals, Paper presented at the International Conference on the Industrial Applications of Radioisotopes and Radiation, ICARID-94, Bombay (India), February 5-9, 1994. Abstract Volume.
16. V. Mahadevan, P.S.M. Tripathi, Potentiality of microwave and gamma ray pretreatments in the desulphurisation, demineralisation and comminution of high-sulphur Indian coals, Erdoel und Kohle, Erdgas, Petrochemie (Germany) 48 (1) (1995) 33.
17. P.S.M. Tripathi, unpublished work.
18. L.C. Ram, Moessbauer spectroscopic and γ-radiolytic studies of some Indian Coals, Ph.D. Thesis, Banaras Hindu University, 1994.
19. H.-R. Paur, State of the art in electron beam processig of industrial off-gases, Proc. Int. Conf. on Applications of Isotopes and Radiation in Industral Development (ICARID-94), Bhabha Atomic Research Centre, Bombay, India, November 1994, pp. 69-87.
20. V.L. Auslender, The electron beam (EB) treatment - current and future applications, ibid., 1994, pp. 123-136.
21. R.A. Salimov, ELV-type (rectifier) accelarators and their applications, ibid., 1994, pp. 97-101.
22. K. Venkatacharyulu, M.R. Shah, Gamma irradiators - development in India, ibid., 1994, pp. 89-96.
23. L.C. Ram, S.K. Jha, P.S.M. Tripathi, Effect of γ-irradiation on the extractability of lignite, DAE Symp. on Radiochemistry and Radiation Chemistry, Nagpur University, Nagpur, India, preprint volume, Paper No. RE-05, February 5-8, 1990.
24. L.C. Ram, S.K. Jha, P.S.M. Tripathi, G.S. Murty, S.P. Mishra, Solubility of Kutch lignite in different solvents modified by γ-irradiation, Int. Symp. on Radiochemistry and Radiation Chemistry, Bhabha Atomic Research Centre, Trombay, Bombay, India, preprint volume, Paper No, RC-35, February 4-7, 1991.
25. P.S.M. Tripathi, L.C. Ram, S.K. Jha, Radiation-induced oxidative desulphurisation of some Indian coals, in: N.P. Vasilakos (Ed.), Advances in Coal Chemistry, Theophrastus, Athens, Greece, 1988, pp. 333-349.
26. A.K. Bandopadhyay, G.S. Murty, R. Sen, P. Bhattacharya, Influence of moisture on the infrared spectrum of lignite in KBr matrix, Spectrochimica Acta 5-A (4), 1989, pp. 511-512 and the references therein.
27. N.B. Colthup, L.H. Daly, S.E. Wiberley, Introduction to Infrared and Raman Spectroscopy, Academic Press, New York, 1964, p. 361.
28. V.K. Baranskaya, N.K. Larina, A.D. Baranski, The synthesis of high-molecular weight products from sapropelites and organosilicon compounds, Irkutsk, 1968, p. 72, in Russian.
29. H.H. Lowry, Chemistry of Coal Utilisation, M. Elliot (Ed.), 2nd Suppl. vol. ed., Wiley Interscience, USA, 1961, p. 469.
30. A.J. Swallow, Radiation chemistry of organic compounds, vol. 2, Pergamon, New York, 1960, p. 95.