The present invention relates to a water removal device (dissolvator) for pretreatment for component analysis of sample gas, and more particularly, to a vertical material movement control device for TVOC or THC analysis in a high humidity environment, and an operating method thereof . To this end, the sample gas is introduced, the inlet pipe 10 having a first diameter; a heater 20 installed in the inlet pipe 10; a collection tube 30 extending from the inlet tube 10 and having a second diameter smaller than the first diameter; Peltier (60) installed around the collection tube (30); and a cooling device 50 for cooling a part of the Peltier 60; and a TVOC or THC analysis in a high humidity environment, characterized in that the inlet pipe 10 and the collection pipe 30 are vertically installed. A vertical mass transfer control device is provided for
展开▼
