Device for real-time monitoring of oil-in-water and suspended solids based on thermal lens spectrometry and light scattering

2020 ◽  
Vol 59 (13) ◽  
pp. D138 ◽  
Author(s):  
Axel M. Lacapmesure ◽  
Oscar E. Martínez ◽  
Darío Kunik
Keyword(s):  
Light Scattering ◽  
Real Time ◽  
Thermal Lens ◽  
Suspended Solids ◽  
Thermal Lens Spectrometry ◽  
Real Time Monitoring ◽  
Oil In Water

scholarly journals Compensation of Light Scattering Method for Real-Time Monitoring of Particulate Matters in Subway Stations

2010 ◽  
Vol 26 (5) ◽  
pp. 533-542 ◽  
Author(s):  
Seo-Jin Kim ◽  
Ho-Seong Kang ◽  
Youn-Suk Son ◽  
Sang-Lyeor Yoon ◽  
Jo-Chun Kim ◽  
...  
Keyword(s):  
Light Scattering ◽  
Real Time ◽  
Scattering Method ◽  
Particulate Matters ◽  
Real Time Monitoring ◽  
Subway Stations

Real-time monitoring of oxidative etching on single Ag nanocubes via light-scattering dark-field microscopy imaging

Nanoscale ◽  
2015 ◽  
Vol 7 (37) ◽  
pp. 15209-15213 ◽  
Author(s):  
Yi Wang ◽  
Hong Yan Zou ◽  
Cheng Zhi Huang
Keyword(s):  
Light Scattering ◽  
Real Time ◽  
Dark Field ◽  
Real Time Monitoring ◽  
Microscopy Imaging ◽  
Real Time Mode ◽  
Oxidative Etching ◽  
Dark Field Microscopy

Oxidative etching on single Ag nanocubes was monitored in real-time mode through light-scattering dark-field microscopy imaging.

scholarly journals Flow Cell Coupled Dynamic Light Scattering for Real-Time Monitoring of Nanoparticle Size during Liquid Phase Bottom-Up Synthesis

2018 ◽  
Vol 8 (1) ◽  
pp. 108 ◽  
Author(s):  
Nicole Meulendijks ◽  
Renz van Ee ◽  
Ralph Stevens ◽  
Maurice Mourad ◽  
Marcel Verheijen ◽  
...  
Keyword(s):  
Light Scattering ◽  
Liquid Phase ◽  
Dynamic Light Scattering ◽  
Real Time ◽  
Flow Cell ◽  
Nanoparticle Size ◽  
Real Time Monitoring ◽  
Bottom Up

scholarly journals A novel method for calculating ambient aerosol liquid water contents based on measurements of a humidified nephelometer system

2017 ◽  
Author(s):  
Ye Kuang ◽  
Chunsheng Zhao ◽  
Gang Zhao ◽  
Jiangchuan Tao ◽  
Nan Ma ◽  
...  
Keyword(s):  
Light Scattering ◽  
Real Time ◽  
Liquid Water ◽  
Atmospheric Chemistry ◽  
Aerosol Particles ◽  
Atmospheric Environment ◽  
Real Time Monitoring ◽  
Ambient Aerosol ◽  
Novel Method ◽  
Water Contents

Abstract. Water condensed on ambient aerosol particles plays significant roles in atmospheric environment, atmospheric chemistry and climate. So far, no instruments are available for real-time monitoring of ambient aerosol liquid water contents (ALWC). In this paper, a novel method is proposed to calculate ambient ALWC based on measurements of a three-wavelength humidified nephelometer system. A humidified nephelometer system measures aerosol light scattering coefficients and backscattering coefficients at three wavelengths under dry and different relative humidity (RH) conditions, and therefore provides measurements of light scattering enhancement factor f(RH). The proposed method of calculating ALWC includes two steps. The first step is estimating total volume concentration of ambient aerosol particles in dry state (Va (dry)) with a machine learning method based on measurements of the “dry” nephelometer. The estimated Va (dry) agrees well with the measured Va (dry). The second step is estimating the volume growth factor Vg(RH) of ambient aerosol particles due to water uptake using f(RH) and Ångström exponent. The ALWC is calculated from the estimated Va (dry) and Vg(RH). Uncertainty analysis of the estimated Va (dry) and Vg(RH) is conducted. This research have bridged the gap between f(RH) and Vg(RH). The advantage of this new method is that the ambient ALWC can be obtained using only measurements from a three-wavelength humidified nephelometer system. This method will facilitate the real-time monitoring of the ambient ALWC and help for studying roles of aerosol liquid water in atmospheric chemistry, secondary aerosol formation and climate change.

Sign in / Sign up

Export Citation Format

Share Document