固體再生燃料混燒灰渣特性及再利用可行途徑評估

Project Details

Description

Solid recovered fuel (SRF) is derived from mainly non-hazardous waste andproduced in accordance with the requirements on calorific value andenvironmental parameters. SRF has gone through additional screeningprocesses to improve the quality and value. It is gradually becoming a popularand viable option for replacing fossil fuels worldwide. Co-firing of SRF and coal influidized bed boiler produces ashes that their physical and chemicalcharacteristics are not known, making the utilization of these ashes difficult. Thisstudy plans to investigate the potential of boiler ashes produced from co-firingcoal and SRF in fluidized bed boilers as supplementary cementitious materials ormineral mixture in making concrete. The study will start with investigating current status of SRF as supplementaryfuels for coal-burning boilers in the industry. Representative boiler ash samplesproduced from boilers co-firing coal and SRF will be collected for basiccharacterization tests such as specific gravity, sieving, adsorption, pH, andchemical contents. Based on the basic characteristics of ashes obtained from cofired boilers, an evaluation on the potential of these ashes as supplementarycementitious materials or mineral mixture for concrete will be assessed. Also, theneed for further treatment of these ashes will be considered. The focus of theevaluation includes not only the general criteria used for pozzolanic materials ormineral mixture. The results of the laboratory study will be summarized such thatthe pros and cons of such utilization can be disclosed and a criteria will bedeveloped on the quality standards of co-fired boiler ashes for use as concretemaking materials. The finding will help the administrative authority in drawing upthe codes in the management of the boiler ashes derived from boilers co-firingSRF and coal.
StatusFinished
Effective start/end date1/08/2131/07/22

UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This project contributes towards the following SDG(s):

  • SDG 7 - Affordable and Clean Energy
  • SDG 11 - Sustainable Cities and Communities
  • SDG 12 - Responsible Consumption and Production
  • SDG 13 - Climate Action
  • SDG 17 - Partnerships for the Goals

Keywords

  • solid recovered fuel
  • co-firing derived ash
  • ash characterization
  • pre-processing for utilization

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