Resource recovery of organic sludge as refuse derived fuel by fry-drying process

Fang Chih Chang, Chun Han Ko, Jun Yi Wu, H. Paul Wang, Wei Sheng Chen

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


The organic sludge and waste oil were collected from the industries of thin film transistor liquid crystal display and the recycled cooking oil. The mixing ratio of waste cooking oil and organic sludge, fry-drying temperatures, fry-drying time, and the characteristics of the organic sludge pellet grain were investigated. After the fry-drying process, the moisture content of the organic sludge pellet grain was lower than 5% within 25. min and waste cooking oil was absorbed on the dry solid. The fry-drying organic sludge pellet grain was easy to handle and odor free. Additionally, it had a higher calorific value than the derived fuel standards and could be processed into organic sludge derived fuels. Thus, the granulation and fry-drying processes of organic sludge with waste cooking oil not only improves the calorific value of organic sludge and becomes more valuable for energy recovery, but also achieves waste material disposal and cost reduction.

Original languageEnglish
Pages (from-to)240-244
Number of pages5
JournalBioresource technology
Publication statusPublished - 2013 Aug

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal


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