Development of liquidborne nanoparticle counter with particle growth

2015 Fiscal Year Final Research Report

• Project/Area Number: 26630387
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Properties in chemical engineering process/Transfer operation/Unit operation
• Research Institution: Kanazawa University
• Principal Investigator: Otani Yoshio 金沢大学, 自然システム学系, 教授 (10152175)
• Co-Investigator(Kenkyū-buntansha): KUMITA MIKIO 金沢大学, 理工研究域・自然システム学系, 准教授 (60262557)
• Project Period (FY): 2014-04-01 – 2016-03-31
• Keywords: ナノ粒子 / 粒子成長 / パーティクルカウンタ / 不均一核生成

Outline of Final Research Achievements

In order to measure nanoparticles in water, heterogeneous growth of nanoparticles in KCl supersaturated solution was applied so as to enable the optical detection of grown particles. The present work revealed that 0.3 microm particles grow to particles larger than 0.5 micron at a supersaturation bewteen 1.005-1.010 without homogeneous nucleation. Although the present work suggested the possibility of detenction of nanoparticles with heterogeneous nucleation, further study is required to increase supersaturation ratio of salt solution without homogeneous nucleation.

Free Research Field

化学工学