Cristin-resultat-ID: 1073813
Sist endret: 21. januar 2015, 15:07
Resultat
Fagartikkel
2013

Co-processing of wastes in the Indian Cement Industry - Experiences since 2006

Bidragsytere:
  • J. S. Kamyotra
  • S.S. Bala
  • P.K. Gupta og
  • Kåre Helge Karstensen

Tidsskrift

13 th NCB International Seminar on Cement and Building Materials 19-22 November 2013, New Delhi, India:Proceedings Special Lectures and Extended Abstracts

Om resultatet

Fagartikkel
Publiseringsår: 2013

Beskrivelse Beskrivelse

Tittel

Co-processing of wastes in the Indian Cement Industry - Experiences since 2006

Sammendrag

The Indian cement industry is the second largest in the world with a total installed cement capacity of about 329Mta and production of 225 million ton per annum and approximately 181 kilns. While 25 cement plants are currently co-processing wastes in India, the total substitution rate is still less than one per cent. 31 waste categories have been tested and were granted permission by the CPCB to be used for co-processing in the cement industry. In February 2010, India's Central Pollution Control Board (CPCB) released guidelines for the co-processing of hazardous waste in cement plants. According to the guidelines, a cement plant considering co-processing must submit an application for a test burn to the State Pollution Control Board. The SPCB grants test burn permission within 60 days of receipt of the application. The cement plant must then also inform the CPCB about the test burn at least 15 days in advance so the latter can monitor the trial run. The test lasts five days starting with a baseline test (with no waste feeding), followed by three days with waste and, finally, on the last day another baseline test is carried out. The test burns are usually conducted with the CPCB, SPCB and a third-party consultant. The following main categories of hazardous wastes have been tested and permitted by the CPCB: paint sludge from the automobile sector; petroleum refining sludge; tar from the production of toluene diiso-cyanate; and effluent treatment plant sludge. Plastic wastes and tyre chips, which are classes as non-hazardous wastes, have also been permitted but the TSR is still less than one per cent. A large untapped potential for fuel substitution seems to be MSW and the possible production of RDF.

Bidragsytere

J. S. Kamyotra

  • Tilknyttet:
    Forfatter
    ved India

S.S. Bala

  • Tilknyttet:
    Forfatter
    ved India

P.K. Gupta

  • Tilknyttet:
    Forfatter
    ved India

Kåre Helge Karstensen

  • Tilknyttet:
    Forfatter
    ved Infrastruktur ved SINTEF AS
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