scholarly journals Contamination of Pharmaceutical and Personal Care Products in Sewage Treatment Plants and Surface Waters in South Korea and their Removal during Activated Sludge Treatment

2010 ◽  
Vol 20 (2) ◽  
pp. 127-135 ◽  
Author(s):  
Joon-Woo KIM ◽  
Hiroshi ISHIBASHI ◽  
Masashi HIRANO ◽  
Hyo-Sang JANG ◽  
Jong-Gu KIM ◽  
...  
Keyword(s):  
South Korea ◽  
Activated Sludge ◽  
Surface Waters ◽  
Sewage Treatment ◽  
Personal Care Products ◽  
Personal Care ◽  
Sludge Treatment ◽  
Sewage Treatment Plants

Occurrence of 70 pharmaceutical and personal care products in Tone River basin in Japan

2007 ◽  
Vol 56 (12) ◽  
pp. 133-140 ◽  
Author(s):  
N. Nakada ◽  
K. Komori ◽  
Y. Suzuki ◽  
C. Konishi ◽  
I. Houwa ◽  
...  
Keyword(s):  
River Basin ◽  
Surface Waters ◽  
Solid Phase ◽  
Sewage Treatment ◽  
Personal Care Products ◽  
Personal Care ◽  
Population Total ◽  
Total Load ◽  
Sewage Treatment Plants ◽  
Flow Profiles

The occurrence of 70 pharmaceutical and personal care products (PPCPs) was investigated in the Tone River. The river has the largest basin in Japan, and the water is utilized not only for farming, but also as a source of water supply. One day in both January and October 2006, surface waters in the river and its tributaries and effluents from sewage treatment plants (STPs) directly discharging into the Tone River were collected, the location of which ranged over 150 km along the river. The 70 PPCPs in the samples were concentrated by solid phase cartridge and were measured by LC-MS/MS using three analytical methods. Fifty-seven PPCPs were detected in one or more samples. Bezafibrate, caffeine, carbamazepine, clarithromycin, crotamiton and sulpiride were frequently detected. Mass flow profiles of some PPCPs (e.g., crotamiton) were comparable to cumulative inhabitants in the basin, suggesting that these PPCPs could be markers of population. Total load of each PPCP into the basin from upstream, the tributaries, and the STPs were calculated. The contribution of selected PPCPs from the tributaries with lower sewerage system coverage was dominant compared to those from upstream and the STPs, suggesting the installation of sewerage systems is necessary to reduce the load of PPCPs in the Tone River basin.

Feasibility Study on the Concentration of Miscible Liquid in Aeration Tank Used by CAF Process

2012 ◽  
Vol 260-261 ◽  
pp. 754-758
Author(s):  
Xiao Tao Guan ◽  
Feng Ping Hu ◽  
Lin Yuan Wang
Keyword(s):  
Activated Sludge ◽  
Industrial Wastewater ◽  
Sewage Treatment ◽  
Sewage Treatment Plant ◽  
Treatment Plant ◽  
Aeration Tank ◽  
Low Density ◽  
Sludge Treatment ◽  
Sewage Treatment Plants ◽  
Urban Sewage

The Cavitation Air Flotation (CAF) process has been widely applied to the pretreatment of industrial wastewater and urban sewage. However, it has not been applied in the sludge treatment yet. In this paper, Nanchang Chaoyangzhou Sewage Treatment Plant is taken as the example that the CAF process is introduced to the concentration of miscible liquid in the aeration tank in urban sewage treatment plants. According to the optimization of the sludge conditioning agent and the study on the concentration of the miscible liquid in the aeration tank, it is concluded that CAF can be used to concentrate the leftover activated sludge in urban sewage treatment plant, especially that with low density.

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