Water Science and Technology

Volume 36 Number 12

Contents

1–8

Role of plant uptake on nitrogen removal in constructed wetlands located in the tropics

Thammarat Koottatep and Chongrak Polprasert

9–18

Simulation of the operational conditions of the full-scale municipal wastewater treatment plant to improve the performance of nutrient removal

Naoyuki Funamizu, Shoichiro Yamamoto, Yoshio Kitagawa and Tetsuo Takakuwa

19–27

Effects of SRT and DO on nutrient removal in a combined AS-biofilm process

S. H. Chuang, C. F. Ouyang, H. C. Yuang and S. J. You

29–37

Polishing of BNR process effluent by tertiary denitrifying filter

Yun Zuwhan, Choi Euiso and Young T. Han

39–45

Emission of nitrous oxide from high-rate nitrification and denitrification by mixed liquor circulating process and sequencing batch reactor process

Yuji Okayasu, Isaya Abe and Yoshitaka Matsuo

47–54

Biological denitrification of high explosives processing wastewaters

Kyung-Duk Zoh and Michael K. Stenstrom

55–60

Phosphorus removal from nightsoil with sequencing batch reactor (SBR)

S. W. Oa and E. Choi

61–68

Comparison of phosphorus removal characteristics between various biological nutrient removal processes

Eun Lee Sang, Soo Kim Kwang, Hwan Ahn Jae and Whoe Kim Chang

69–74

Effects of heavy metals on nitrifying bacteria

Yong-Woo Lee, Say-Kee Ong and Chikashi Sato

75–82

Biological dephosphatation by activated sludge under denitrifying conditions: pH influence and occurrence of denitrifying dephosphatation in a full-scale waste water treatment plant

T. Kuba, M. C. M. van Loosdrecht and J. J. Heijnen

83–90

Biofilm formation: the effects of hydrodynamic and substrate feeding patterns in three phase draft-tube fluidized bed for nitrification process

Sheng-Shung Cheng, Wen-Chin Chen and Hui-Hsiang Hwang

91–99

Treatment of photographic processing wastewater using anaerobic-aerobic biofilm reactor

Akira Hirata, Haeng-Seog Lee, Satoshi Tsuneda and Tomotake Takai

101–109

Operating characteristics of aerated submerged biofilm reactors for drinking water treatment

Kyeong-Ho Lim and Hang-Sik Shin

111–116

A mechanical pretreatment of waste activated sludge for improvement of anaerobic digestion system

Kyung-Yub Hwang, Eung-Bai Shin and Hong-Bok Choi

117–124

Comparison of lime and alum as oily sludge conditioners

Tay Joo Hwa and S. Jeyaseelan

125–133

UASB performance in presence of algae and synthetic media

Jae Eun Park, Jong O Kim, Woo Bum Lee, Sung Taik Lee and Jung Jun Lee

135–141

Anoxic treatment of low-strength wastewater by immobilized sludge

Gong-Ming Zhou and Herbert H.P. Fang

143–150

Control of sulfate reduction by molybdate in anaerobic digestion

Shuzo Tanaka and Young-Ho Lee

151–158

Development of novel anaerobic/aerobic filter process for nitrogen removal using immobilized nitrifier pellets

Youngno Kim, Kazuhiro Mikawa, Toshiaki Saito, Kazuhiro Tanaka and Hiroyoshi Emori

159–167

Kinetics of polymeric substrate (dextrin or peptone) removal by activated sludge: hydrolysis of polymers to monomers is the rate-determining step

Yuu Ubukata

169–174

Development of a rapid quantification method for nitrosomonas and nitrobacter using elisa for wastewater treatment facilities

Yuhei Inamori, Tomotake Takai, Naohiro Noda, Akira Hirata, Hiroshi Niioka, Gao YueHua and Masatoshi Matsumura

175–182

Treatment of domestic wastewater mixed with crushed garbage and garbage washing water by advanced gappei-shori johkaso

Toshihiro Sankai, Guoji Ding, Noritoshi Emori, Satoshi Kitamura, Kensho Katada, Akihiko Koshio, Tatsushi Maruyama, Keiko Kudo and Yuhei Inamori

183–188

Water quality and occurrences of protozoa and metazoa in two constructed wetlands treating different wastewaters in Thailand

Thongchai Panswad and Orathai Chavalparit

189–197

A novel and cost-effective sewage treatment system consisting of UASB pre-treatment and aerobic post-treatment units for developing countries

Izarul Machdar, Hideki Harada, Akiyoshi Ohashi, Yuji Sekiguchi, Hiroyuki Okui and Kyoko Ueki

199–206

Fuzzy expert system to determine stream water quality classification from ecological information

H. K. Lee, K. D. Oh, D. H. Park, J. H. Jung and S. J. Yoon

207–214

Environmental assessment of LAS on the aquatic ecosystem using a scale-up system

Yoshie Takamatsu, Yuhei Inamori, Hironao Nishimae, Toichi Ebisuno, Ryuichi Sudo and Masatoshi Matsumura

215–222

Coagulation of textile secondary effluents with Fenton's reagent

Shyh-Fang Kang and Huey-Min Chang

223–230

Significance of pressure and recirculation in sludge thickening by dissolved air flotation

Hak Chung Tai and Yeon Kim Doo

231–238

Characteristics of competitive adsorption of aquatic humic substances onto activated carbon

Akira Yuasa, Li Fusheng, Yoshihiko Matsui and Kunio Ebie

239–249

Effect of C/N ratio on the bioregeneration of biological activated carbon

Duk-Jin Kim, Takashi Miyahara and Tatsuya Noike

251–257

Improvement of biodegradation of organic substance by addition of phosphorus in biological activated carbon

Wataru Nishijima, Eiji Shoto and Mitsumasa Okada

259–266

Application of air backflushing technique in membrane bioreactor

C. Visvanathan, Byung-Soo Yang, S. Muttamara and R. Maythanukhraw

267–274

An enhancement of critical flux in crossflow microfiltration with a pretreatment of floating medium flocculator/prefilter

D. Y. Kwon, S. Vigneswaran, H. H. Ngo and H. S. Shin

275–282

Membrane separation activated sludge for residual organic removal in oil wastewater

G. T. Seo, T. S. Lee, B. H. Moon, K. S. Choi and H. D. Lee

283–298

Micropollutant removal with saturated biological activated carbon (BAC) in ozonation-BAC process

Hang Kim Woo, Wataru Nishijima, Aloysius U. Baes and Mitsumasa Okada

299–307

Effect of ozonation for treatment of micropollutants present in drinking water source

Joon-Wun Kang, Hoon-Soo Park, Rong-Yan Wang, Minoru Koga, Kiwao Kadokami, Hyeon-Yeoul Kim, Eung-Taek Lee and Sung-Min Oh

309–323

Risk assessment and management of drinking water pollutants in Korea

Chung Yong, Shin Dongchun, Park Seongeun, Lim Yeongwook, Choi Yoonho, Cho Seongjoon, Yang Jeeyeon, Hwang Mansik, Park Yeosin and Lee Hyun

325–331

Study on secondary reaction and fate of hazardous chemicals by oxidants

S. J. Kim, K. H. Oh, S. H. Lee, S. S. Choi and K. C. Lee

333–340

Performance improvement of an unstable anaerobic leachate treatment system in an industrial waste landfill

Sung Sung Moon, Chang Duk and Young Lee Hwa

341–348

Treatment of landfill leachates: ammonia removal via nitrification and denitrification and further COD reduction via Fenton's treatment followed by activated sludge

Jae-Ho Bae, Sang-Keun Kim and Hyun-Sik Chang

349–356

Effect of high concentration of organic and inorganic matters in landfill leachate on the treatment of heavy metals in very low concentration level

T. Urase, M. Salequzzaman, S. Kobayashi, T. Matsuo, K. Yamamoto and N. Suzuki

357–365

Treatment of petrochemical wastewater by UV/H₂O₂ photodecomposed system

Lain-Chuen Juang, Dyi-Hwa Tseng and Shyh-Chaur Yang

367–374

Study of the reactor with down-flow injection on the characteristics of ozonation

Takayuki Morioka, Yasuhiro Kato, Hiroshi Hoshikawa, Mitsumasa Okada and Takeo Moniwa

375–382

Assessment of the microbial toxicity test and its application for industrial wastewaters

Chiu-Yang Chen, Jau-Bin Huang and Shing-Der Chen