ENERGY, RISK : Gas-to-Particle, ガスの粒子転換

Measurement of Model Aerosols Containing Two Metal Components Formed via Cooling and Dilution Routes,

火力発電所等の燃焼過程における粒子生成を実験室内で模擬した。モデル混合排気ガスには軽金属(アルカリ)と重金属系の粉末の昇華を用いて、その後の希釈(冷却)と凝縮による粒子化の挙動を計測した研究。火力発電所や室内/家庭内の燃焼の場における捕集技術の高度化にお役に立てれば幸いです。

Thermal Fluid Analysis by Numerical simulation

The emission of alkali (“light-metals”) and heavy metals in combustion processes is an important contributor to environmental load. We investigated experimentally in the laboratory the generation of particles from model exhaust gases derived from NaCl and CdCl2. An on-line gas-phase measurement system showed that the mean diameters of aerosol particles derived from the evaporation of NaCl and CdCl2 were 35 and 30 nm, respectively, when the dilution ratio of the model gas was 1:20. The value was 50 nm in two-metal co-evaporation (NaCl and CdCl2). These results may be informative for predicting the phenomena related to gas-to-particle conversion at the exit of stationary emission sources.

Kanji Takahashi Award (from JAAST) for this paper.
Kanji Takahashi Award (from JAAST) for this paper.

REFERENCE: Naoya HAMA, Yukie TAKASHIMA, Masao GEN, Mayumi TSUKADA, Hidehiro KAMIYA and I. Wuled LENGGORO*
Measurement of Model Aerosols Containing Two Metal Components Formed via Cooling and Dilution Routes,
Journal of Aerosol Research, エアロゾル研究, 26, 277-285 (2011) .

* Hama (濱), Gen (玄) = Doctoral students; Takashima (高島) = Master student

jstage = Full article, PDF.

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Environmentally-conscious Materials Processing & Aerosol Technology