도시고형폐기물(都市固形廢棄物) 및 토양층(土壤層)에 있어서 비(非)이온성(性) 유해유기화학물질(有害有機化學物質)의 거동(擧動)에 관한 연구(硏究) (습윤고형물폐기물층(濕潤固形物廢棄物層)에 있어서 기체상(氣體相) 유해유기염소화물질(有害有機鹽素化物質)을 주대상(主對象)으로)

Sorption Equilibria and Transport of Gaseous Chlorinated Organic Solvent in Wet Solid Waste Layer

Emission of hazardous and volatile organic chemicals from solid waste landfill site was become to important issue because of environmental pollution and health risk by such chemicals. Laboratory batch and continuous experiments were conducted respectively to elucidate isothermal sorption behaviors and transport phenomena(by gas through unsaturated solid waste layer) in wet solid waste-gas system. Source separated and size reduced refuse(bulky waste) and incinerated ash were used after controlling water content, and trichloroethylene(TCE) was chosen among many such chemicals because of it's generality among those man-created pollutants. Isothermal TCE sorption equilibria wet solid waste-gas system can be described in linear equation and partition coefficient in this system can be estimated approximately by the simple equation derived from schematic structure of the system. Transport equation modified by instantaneous equilibrium sorption fraction and kinetic sorption rate(overall mass transfer capacity coefficient) simulated well the column experiment results.