Chiang Mai Journal of Science

Print ISSN: 0125-2526 | eISSN : 2465-3845

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Characteristics of Pyrolytic Oils of Sewage Sludge Pyrolysis

Suparin Chaiklangmuang* [a], Jakkapol Photiprasit [a] and Vissanu Meeyoo [b]
* Author for corresponding; e-mail address: suparin@chiangmai.ac.th
Volume: Vol.32 No.1 (JANUARY 2005)
Research Article
DOI:
Received: 21 July 2004, Revised: -, Accepted: 26 November 2004, Published: -

Citation: Chaiklangmuang S., Photiprasit J. and Meeyoo V., Characteristics of Pyrolytic Oils of Sewage Sludge Pyrolysis, Chiang Mai Journal of Science, 2005; 32(1): 31-37.

Abstract

The pyrolysis of sewage sludge, produced by Chiang Mai University wastewater treatment plant, was performed in a fixed bed reactor. The proximate analysis, elemental analysis and calorific value of  the sewage sludge were determined. The effects of  final pyrolysis temperature and nitrogen flow rate on the pyrolysis yields and chemical compositions were investigated. The particle size of sludge samples was £ 0.25 mm. The maximum liquid yield of 26.90 % by wt. was obtained at final pyrolysis temperature of 500oC with a heating rate of 5 oC min-1 and nitrogen flow rate of 50 cm3min-1. The chemical characterization results showed that the oil obtained from sewage sludge can be potentially valuable as fuel and chemical feed stocks with a calorific value 37.42 MJkg-1.

Keywords: oil, pyrolysis, sewage sludge

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Md. Mizanur Rahman* and Mohammad G. Azam

Vol.32 No.2 (MAY 2005)
Research Article View: 892 Download: 358
Cathodic Stripping Voltammetric Procedure for Determination of Some Inorganic Arsenic Species in Water, Soil and Ores Samples
page: 369 - 383

Jaroon Junsomboon, Ponlayuth Sooksamiti, Kate Grudpan, Somchai Lapanantnoppakhun, Prasak Thavornyuth

Vol.36 No.3 (SEPTEMBER 2009)
Research Article View: 965 Download: 248
Synthesis of Cocoa Butter Equivalent from Palm Oil by Carica papaya Lipase-Catalyzed Interesterification
page: 359 - 368

Porntippa Pinyaphong, and Suree Phutrakul

Vol.36 No.3 (SEPTEMBER 2009)
Research Article View: 1,485 Download: 276
Engine Wear Monitoring by Analysis of Metallic Elements in Used Lubricating Oils
page: 39 - 44

Suparin Chaiklangmuang*[a], Nakorn Tippayawong [b] and Anusan Permsuwan [b]

Vol.32 No.1 (JANUARY 2005)
Research Article View: 916 Download: 283
Aggregation and Pedogenesis of Seasonally Inundated Soils of a Tropical Watershed
page: 74 - 84

Emmanuel U. Onweremadu, Ogochukwu P. Izuogu, and Frank O.R. Akamigbo

Vol.37 No.1 (JANUARY 2010)
Research Article View: 982 Download: 307
Volatile Constituents of Thai Culinary Herbs “San Pra Hom”(Eupatorium stoechadosmum Hance.)
page: 17 - 29

Sangla Khamman[a],Christian Rolando[b] and Griangsak Chairote*[a]

Vol.28 No.1 (JUNE 2001)
Opinion View: 964 Download: 364
Diversity of Arbuscular Mycorrhizal Fungi in Mimosa invisa and Effect of the Soil pH on the Symbiosis
page: 517 - 527

Saengdao Kittiworawat, Somchit Youpensuk, and Benjavan Rerkasem

Vol.37 No.3 (SEPTEMBER 2010)
Research Article View: 966 Download: 265
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