Optimalisasi Penggunaan Gipsum dan Batu Kapur pada Pembuatan Semen Putih

Ahmad Riyanto, Devi Yuliani, Laeli Rizki Amalia, Erna Astuti

Abstract


White Portland cement is a fine, gray or white powder, which consists of a mixture of hydraulic cement materials consisting mainly of calcium silicate, aluminate, and aluminoferrite. The manufacture of white portland cement requires special raw material requirements and manufacturing processes, such as raw materials containing very low iron oxides and manganese oxides. Various tests were carried out to obtain white cement of good quality and meet Indonesian National Standards or Standar Nasional Indonesia (SNI). The tests included raw material testing (Lost on Ignition test, LOI) on various compositions and LOI test, % SO3 test, and color test on white Portland cement. The results showed that the greater the % SO3, the strength of white Portland cement will decrease and the greater the LOI, the white Portland cement will be easily damaged. So from the results of the study obtained a good raw material composition for white Portland cement is 89% white slag, 4% limestone, and 7% gypsum. All test results meet Indonesian National Standards or SNI.

Keywords


semen portland putih; Standar Nasional Indonesia; komposisi; Loss on Ignition; SO3; Warna

Full Text:

PDF

References


C. Argiz, M. Ãngel Sanjuán, and E. Menéndez, “Coal bottom ash for portland cement productionâ€, Advances in Materials Science and Engineering, vol. 2017, pp. 1-7, 2017.

J. Liu , W. Li , F. Zhang , X. Zhang , L. Chen ,and Y. Liu, “Optimization and hydration mechanism of composite cementing material for paste filling in coal mineâ€, Advances in Materials Science and Engineering, vol. 2019, pp. 1-13, 2019.

A. L. Mrema, “Comparison of the properties of Portland cement and Portland-limestone cementâ€, Conference: Advances and Trends in Structural Engineering, Mechanics and Computation (SEMC 2010), Cape Town, September 2010.

W. L. Greer, A. J. Buonicore and W. T. Davis, "Portland Cement", Air Pollution Engineering Manual, (eds.), Von Nostrand Reinhold, NY, 1992.

Portland Cement Association, “U.S. And Canadian Portland Cement Industry Plant Information Summaryâ€, Washington DC, August 1991.

W.H. Duda, “Cement Data Book Raw Material for Cement Productionâ€, 1st ed, Berlin. 1988.

IS 8042: 1989 amendment no. 5 April 2009, Indian Standard: White Portland specification, 2nd revision, Bureau of Indian Standards, New Delhi.

SNI 15-0129-2004, Semen portland putih, Badan Standardisasi Nasional.

O. Heiri, A. F. Lotter, G. Lemcke, “Loss on ignition as a method for estimating organic and carbonate content in sediments: reproducibility and comparability of resultsâ€, Journal of Paleolimnology, Vol. 25, pp. 101–110, 2001.

R. R. Irawan, “Kajian sifat kimia, fisika, dan mekanik semen portland di indonesiaâ€, Jurnal Jalan-Jembatan, Vol. 34 No. 2, pp 79-90, Juli-Desember 2017.




DOI: http://dx.doi.org/10.26555/chemica.v6i2.14629

Refbacks

  • There are currently no refbacks.



Abstracted/Indexed by:

 

 


 
CHEMICA: Jurnal Teknik Kimia
ISSN: 2355-875X (print) 2355-8776 (online)
Organized by Department of Chemical Engineering - Universitas Ahmad Dahlan
Published by Universitas Ahmad Dahlan
Website: http://journal.uad.ac.id/index.php/CHEMICA
Email 1: chemica@che.uad.ac.id
Email 2: agus.aktawan@che.uad.ac.id
 


View CHEMICA stat

Lisensi Creative Commons

This work is licensed under a Commons Attribution-ShareAlike 4.0 International License.