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March 4, 2026Energy & Fuels

Co-Firing Characteristics of Biomass with Pulverized Coal in a Drop Tube Furnace: Effects of Co-Firing Ratios and Feeding Methods

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Authors

SLShiyan LiuYHYong HeJSJiaxing Song

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Overview

Investigates biomass cofiring ratios and feeding methods to optimize emissions and combustion efficiency.

Key Points

  • The aim is to evaluate the effects of biomass cofiring ratios and feeding methods on combustion properties and emissions.
  • Utilized a 100 kW drop tube furnace for experiments.
  • Assessed cofiring ratios of biomass with pulverized coal from 0% to 30%.
  • Compared two feeding methods: cofeeding and separate feeding.
  • Monitored combustion efficiency, emissions, and ash behavior during tests.
  • Biomass incorporation improved fuel burnout to 98.5% and advanced ignition.
  • Separate feeding reduced NOx emissions by about 25% compared to cofeeding.
  • Cofiring at 30% achieved a sulfur retention rate of 8.49%, nearly double that of separate feeding.
  • Ash softening temperature decreased by over 150 °C, indicating increased slagging risks.

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/69a7cdaed48f933b5eeda3b3https://doi.org/10.1021/acs.energyfuels.5c06575
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