KIMURA Katsuki

J-GLOBAL         Last updated: Aug 23, 2019 at 12:25
 
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Name
KIMURA Katsuki
E-mail
kkatsueng.hokudai.ac.jp
Affiliation
Hokkaido University
Section
Graduate School of Engineering, Division of Urban and Environmental Engineering, Water Quality Control Lab.
Degree
Dr. Eng.(Hokkaido University)

Research Areas

 
 

Academic & Professional Experience

 
 
   
 
Research Assistant
 
1997
 - 
2001
Graduate School of Hokkaido University,
 

Education

 
 
 - 
1997
Sanitary Engineering, Graduate School of Engineering, Hokkaido University
 

Awards & Honors

 
2018
IWA Felllow, IWA
 

Published Papers

 
Z. Liu, Xianzheng Zhu, Peng Liang, Xiaoyuan Zhang, Katsuki Kimura, Xia Huang
Journal of Membrane Science (IF: )   588    Oct 2019
© 2019 Elsevier B.V. Polymeric flat-sheet membrane (FS) and ceramic flat-tubular membrane (CM) are the most widely-used membranes in anaerobic membrane bioreactor (AnMBR). However, fouling mechanism on FS and CM were rarely compared before and nee...
Katsuki Kimura, Takayuki Kakuda, Hiroyuki Iwasaki
Separation and Purification Technology   223 224-233   Sep 2019   [Refereed]
© 2019 Polysaccharides were identified as key foulants in membrane bioreactors (MBRs) in previous studies. Polysaccharides used for MBR fouling research should represent real foulants, and alginate and dextran have often been used as model polysac...
Yue Gao, Zhou Fang, Peng Liang, Xiaoyuan Zhang, Yong Qiu, Katsuki Kimura, Xia Huang
Bioresource Technology   204-210   Mar 2019   [Refereed]
© 2019 Elsevier Ltd Sewage can become a valuable source if its treatment is re-oriented. Forward osmosis (FO) is an effective pre-treatment for concentrating solutions. A laboratory-scale anaerobic digestion (AD) bioreactor was setup for the trea...
Katsuki Kimura, Hiroki Uchida
Water Research   21-28   Mar 2019   [Refereed]
© 2018 Intensive membrane cleaning can be used with ceramic membranes since they are physically/chemically robust. It might therefore be possible for membrane bioreactors (MBRs) to be operated under the condition of a high membrane flux when ceram...
T. Miyoshi, T. Tsumuraya, T. P. Nguyen, K. Kimura, Y. Watanabe
Water Science and Technology   77 2803-2811   Aug 2018   [Refereed]
© IWA Publishing 2018. In this study, we investigated the effects of recirculation and separation times on removals of organic matter, nitrogen, and phosphorus in a baffled membrane bioreactor (B-MBR) treating real municipal wastewater. A pilot-sc...
Katsuki Kimura, Koki Shikato, Yasumitsu Oki, Keita Kume, Stefan A. Huber
Journal of Membrane Science   554 83-89   May 2018   [Refereed]
© 2018 Elsevier B.V. With the widespread application of liquid chromatography with organic carbon detection (LC-OCD) to investigate membrane fouling in low-pressure membranes such as microfiltration (MF) and ultrafiltration (UF), membrane fouling ...
Katsuki Kimura, Yasumitsu Oki
Water Research   115 172-179   Jan 2017   [Refereed]
© 2017 Elsevier Ltd In recent studies on membrane fouling in microfiltration (MF) and ultrafiltration (UF) for drinking water production, hydrophilic macromolecular organics referred to as biopolymers have been shown to be major players in the fou...
Katsuki Kimura, Daisuke Honoki, Taku Sato
Separation and Purification Technology   181 37-43   Jan 2017   [Refereed]
© 2017 Organic matter in municipal wastewater should be regarded as a resource for energy production in the future. Direct application of anaerobic digestion to municipal wastewater is easy if the concentration of organic matter is increased. Alth...
Tokihiro Kurita, Takuma Mogi, Katsuki Kimura
Separation and Purification Technology   169 43-49   Sep 2016   [Refereed]
© 2016 Elsevier B.V. All rights reserved. It has been reported that the combination process of biofilm and submerged membrane bioreactors (MBRs) can mitigate membrane fouling. In this study, the influence of using three different biofilm carriers ...
Katsuki Kimura, Nako Ando
Separation and Purification Technology   163 8-14   May 2016   [Refereed]
© 2016 Elsevier B.V. All rights reserved. In recent studies dealing with membrane fouling in microfiltration (MF)/ultrafiltration (UF) processes for drinking water production, biopolymers, which are hydrophilic macromolecules, have been identified...
Katsuki Kimura, Saaya Okazaki, Takeya Ohashi, Yoshimasa Watanabe
Journal of Membrane Science   501 60-67   Mar 2016   [Refereed]
© 2015 Elsevier B.V. Reverse osmosis (RO) is an important technique for potable water reuse. However, the problem of membrane fouling in RO must be addressed for its widespread use. In this study, fouling in RO was investigated with 2540 membrane ...
Hiroshi Yamamura, Katsuki Kimura, Kumiko Higuchi, Yoshimasa Watanabe, Qing Ding, Akira Hafuka
Water Research   87 218-224   Dec 2015   [Refereed]
© 2015 Elsevier Ltd. While low-pressure membrane filtration processes (i.e., microfiltration and ultrafiltration) can offer precise filtration than sand filtration, they pose the problem of reduced efficiency due to membrane fouling. Although many...
Katsuki Kimura, Rie Ogyu, Taro Miyoshi, Yoshimasa Watanabe
Separation and Purification Technology   142 326-331   Mar 2015   [Refereed]
© 2015 Elsevier B.V. All rights reserved. Evolution of irreversible fouling in pilot-scale membrane bioreactors (MBRs) treating municipal wastewater was studied. Three membrane modules were sacrificed to analyze foulants after they had been used f...
Katsuki Kimura, Shin Ichiro Nishimura, Risho Miyoshi, Asiful Hoque, Taro Miyoshi, Yoshimasa Watanabe
Bioresource Technology   179 180-186   Mar 2015   [Refereed]
© 2014 Elsevier Ltd. A new approach for the analysis of polysaccharides in membrane bioreactor (MBR) is proposed in this study. Enrichment of polysaccharides by glyco-blotting, in which polysaccharides are specifically collected via interactions b...
Tokihiro Kurita, Katsuki Kimura, Yoshimasa Watanabe
Separation and Purification Technology   141 207-213   Feb 2015   [Refereed]
© 2014 Elsevier B.V. All rights reserved. A membrane bioreactor (MBR) is not a mainstream wastewater treatment technology, mainly because the energy consumption in an MBR operation is high. This study investigated the mitigation of membrane foulin...
Taro Miyoshi, Taro Miyoshi, Yuhei Nagai, Tomoyasu Aizawa, Katsuki Kimura, Yoshimasa Watanabe
Water Science and Technology   72(6) 844-849   Jan 2015   [Refereed]
© 2015 IWA Publishing. In this study, the details of proteins causing membrane fouling in membrane bioreactors (MBRs) treating real municipal wastewater were investigated. Two separate pilot-scale MBRs were continuously operated under significantl...
K. Kimura, K. Tanaka, Y. Watanabe
Water Science and Technology: Water Supply   15 288-293   Jan 2015   [Refereed]
© IWA Publishing 2015. A variety of surface waters used for drinking water sources were collected from different parts of Japan to investigate a correlation between the concentration of hydrophilic biopolymer (e.g. proteins and polysaccharides) in...
Tokihiro Kurita, Katsuki Kimura, Yoshimasa Watanabe
Journal of Membrane Science   469 292-299   Nov 2014   [Refereed]
Aeration to mitigate membrane fouling accounts for the largest fraction of energy consumed in membrane bioreactors (MBRs). To reduce the energy consumed during MBR operation, alternative methods must be developed to control membrane fouling. Granu...
Zhiwei Wang, Jinxing Ma, Chuyang Y. Tang, Katsuki Kimura, Qiaoying Wang, Xiaomeng Han
Journal of Membrane Science   468 276-307   Oct 2014   [Refereed]
Membrane bioreactors (MBRs) have been widely used in wastewater treatment and reclamation. Membrane cleaning is an essential part during the operation of MBRs since membrane fouling is an unavoidable problem. In past decades, with the in-depth und...
Hiroshi Yamamura, Katsuki Kimura, Yoshimasa Watanabe
Separation and Purification Technology   132 110-114   Aug 2014   [Refereed]
Water treatment using ultrafiltration (UF) membranes is gaining popularity world-wide, but the problem of membrane fouling needs to be addressed. We investigated the characteristics of membrane foulants by conducting two long-term filtration exper...
Hiroshi Yamamura, Kenji Okimoto, Katsuki Kimura, Yoshimasa Watanabe
Water Research   54 123-136   May 2014   [Refereed]
Although membrane filtration is a promising technology in the field of drinking water treatment, persistent membrane fouling remains a major disadvantage. For more efficient operation, causative agents of membrane fouling need to be identified. Me...
Toshikazu Fukushima, Hiroe Hara-Yamamura, Makoto Urai, Ikuro Kasuga, Futoshi Kurisu, Taro Miyoshi, Katsuki Kimura, Yoshimasa Watanabe, Satoshi Okabe
Water Research   52 73-82   Apr 2014   [Refereed]
Effects of chlorination on the toxicity of wastewater effluents treated by activated sludge (AS) and submerged membrane bioreactor (S-MBR B ) systems to HepG2 human hepatoblastoma cells were investigated. In addition to the cytotoxicity and genoto...
Katsuki Kimura, Ken Tanaka, Yoshimasa Watanabe
Water Research   49 434-443   Feb 2014   [Refereed]
Although low-pressure membranes (microfiltration (MF) or ultrafiltration (UF)) have become viable options for drinking water treatment, problems caused by membrane fouling must still be addressed. The objective of this study was to compare five di...
Lutz Böhm, Tokihiro Kurita, Katsuki Kimura, Matthias Kraume
International Journal of Multiphase Flow   65 11-23   Jan 2014   [Refereed]
A phenomenological investigation of single bubbles ascending in a confined geometry with a rectangular cross section was done. Motivated by the goal to get a deeper understanding of the bubble behaviour in flat sheet membrane modules used in membr...
K. Kimura, R. Ogyu, T. Miyoshi, T. Naruse, T. Tsuyuhara, Y. Watanabe
Water Science and Technology   67 2602-2607   Jun 2013   [Refereed]
Membrane fouling needs to be mitigated for widespread use of membrane bioreactors (MBRs). It has been pointed out that particles with small sizes found in supernatants (sub-micron particles) of mixed liquor suspensions of MBRs are important in the...
Katsuki Kimura, Naoko Ogawa, Yoshimasa Watanabe
Water Science and Technology   67 1994-1999   Jun 2013   [Refereed]
Decline in the permeability in nanofiltration (NF)/reverse osmosis (RO) membranes that filtered effluents from a membrane bioreactor (MBR) treating municipal wastewater was investigated in this study. Four different 2-inch spiral-wound NF/RO membr...
Hiroe Hara-Yamamura, Koji Nakashima, Asiful Hoque, Taro Miyoshi, Katsuki Kimura, Yoshimasa Watanabe, Satoshi Okabe
Environmental Science and Technology   47 5425-5432   May 2013   [Refereed]
DNA microarray-based transcriptome analysis with human hepatoma HepG2 cells was applied to evaluate the impacts of whole wastewater effluents from the membrane bioreactors (MBRs) and the activated sludge process (AS). In addition, the conventional...
Shaik Khaja Lateef, Bing Zheng Soh, Katsuki Kimura
Bioresource Technology   150 149-155   Jan 2013   [Refereed]
Direct membrane filtration (DMF) of municipal wastewater using a microfiltration membrane was investigated to capture organic matter. In contrast to the expectation that membrane fouling cannot be controlled in DMF of domestic wastewater, it was p...
Katsuki Kimura, Ippei Tanaka, Shin Ichiro Nishimura, Risho Miyoshi, Taro Miyoshi, Yoshimasa Watanabe
Water Research   46 5725-5734   Nov 2012   [Refereed]
Membrane fouling remains a major obstacle for wider application of membrane bioreactors (MBRs) to wastewater treatment. Polysaccharides in mixed liquor suspensions in the reactors are thought to be mainly responsible for the evolution of membrane ...
Taro Miyoshi, Tomoyasu Aizawa, Katsuki Kimura, Yoshimasa Watanabe
International Biodeterioration and Biodegradation   75 15-22   Nov 2012   [Refereed]
The proteins that caused membrane fouling in a continuous operation of membrane bioreactors (MBRs) treating real municipal wastewater were investigated in detail. We continuously operated two identical pilot-scale MBRs under different solid retent...
Asiful Hoque, Katsuki Kimura, Taro Miyoshi, Nobuhiro Yamato, Yoshimasa Watanabe
Separation and Purification Technology   93 83-91   Jun 2012   [Refereed]
Membrane bioreactors (MBRs) have become very attractive during the past decade owing to their advantages, although MBR operation has not been optimized yet. Recently, air-sparged side-stream MBRs (ASMBRs) have received much attention because they ...
A. Hoque, T. Miyoshi, K. Kimura, Y. Watanabe
Separation Science and Technology (Philadelphia)   47 1455-1463   Jun 2012   [Refereed]
We conducted a high-load operation of a baffled bio-reactor equipped with air-sparged side-stream tubular membrane modules for treating actual municipal wastewater at two different periods (high- and low-temperature). Although nitrogen removal eff...
Taro Miyoshi, Tomoyasu Aizawa, Katsuki Kimura, Yoshimasa Watanabe
Desalination and Water Treatment   34 150-155   Jan 2011
We investigated the relationship between the nature of proteins and their fouling propensities in pilot-scale membrane bioreactors (MBRs) treating real municipal wastewater with two-dimensional polyacrylamide gel electrophoresis (2D-PAGE). In 2D-P...
Taro Miyoshi, Tomoyasu Aizawa, Katsuki Kimura, Yoshimasa Watanabe
Desalination and Water Treatment   34 150-155   Jan 2011   [Refereed]
We investigated the relationship between the nature of proteins and their fouling propensities in pilot-scale membrane bioreactors (MBRs) treating real municipal wastewater with two-dimensional polyacrylamide gel electrophoresis (2D-PAGE). In 2D-P...
Taro Miyoshi, Tomoyasu Aizawa, Katsuki Kimura, Yoshimasa Watanabe
Desalination and Water Treatment   34 150-155   Jan 2011   [Refereed]
We investigated the relationship between the nature of proteins and their fouling propensities in pilot-scale membrane bioreactors (MBRs) treating real municipal wastewater with two-dimensional polyacrylamide gel electrophoresis (2D-PAGE). In 2D-P...
K. Kimura, H. Hara, Y. Watanabe
Water Science and Technology   62 1084-1089   Nov 2010   [Refereed]
Lab-scale batch experiments with biosolids collected from a full-scale activated sludge system (AS) and a pilot-scale membrane bioreactor (MBR) were carried out to investigate the mechanisms of elimination of 5 acidic pharmaceuticals and 2 neutral...
T. Miyoshi, I. Tanaka, T. Tsuyuhara, E. Watanabe, T. Aizawa, K. Kimura, Y. Watanabe
Water Science and Technology   61 1787-1792   Jul 2010   [Refereed]
In this study, the fouling potentials of polysaccharides contained in mixed liquor suspension in a membrane bioreactor (MBR) treating municipal wastewater were investigated using lectin affinity chromatography. This investigation was carried out w...
T. Tsuyuhara, Y. Hanamoto, T. Miyoshi, K. Kimura, Y. Watanabe
Water Science and Technology   61 2235-2240   Jul 2010   [Refereed]
This study aimed to examine the impact of membrane properties on membrane fouling in membrane bioreactor (MBR). Membrane fouling was divided into two categories: physically reversible and irreversible fouling. Membrane properties related to each t...
Stefan Panglisch, Katsuki Kimura, Gary Amy
Journal of Water Supply: Research and Technology - AQUA   59 79-80   Mar 2010
Naoko Ogawa, Katsuki Kimura, Yoshimasa Watanabe
Desalination and Water Treatment   18 292-296   Jan 2010   [Refereed]
Securing a new water resource is becoming an important issue as severe shortage of water is seen throughout the world. Reuse of highly treated wastewater can be a viable option to address this issue. In this study, an advanced wastewater treatment...
Taro Miyoshi, Tomoo Tsuyuhara, Rie Ogyu, Katsuki Kimura, Yoshimasa Watanabe
Water Research   43 5109-5118   Dec 2009   [Refereed]
We investigated seasonal variation in membrane fouling in membrane bioreactors (MBRs) treating municipal wastewater regarding the difference between physically reversible and irreversible fouling. Two separate MBRs with different solid retention t...
Katsuki Kimura, Tomonori Iwase, Shusuke Kita, Yoshimasa Watanabe
Water Research   43(15) 3751-3758   Aug 2009   [Refereed]
Increasing attention has been given to pollution of the water environment by pharmaceutical compounds discharged from wastewater treatment plants. High-pressure driven membranes such as a nanofiltration (NF) membrane and a reverse osmosis (RO) mem...
Katsuki Kimura, Takuro Naruse, Yoshimasa Watanabe
Water Research   43 1033-1039   Mar 2009   [Refereed]
A membrane bioreactor (MBR) is a promising wastewater treatment technology, but there is a need for efficient control of membrane fouling, which increases operational and maintenance costs. Soluble microbial products (SMP) have been reported to ac...
Katsuki Kimura, Taro Miyoshi, Takuro Naruse, Nobuhiro Yamato, Rie Ogyu, Yoshimasa Watanabe
Desalination   231 268-275   Oct 2008   [Refereed]
The main obstacle for a wider use of membrane bioreactors (MBRs) for wastewater treatment is membrane fouling, which increases operating costs. For a more efficient control of membrane fouling in MBRs, an understanding of the mechanisms of membran...
Hiroshi Yamamura, Katsuki Kimura, Takaharu Okajima, Hiroshi Tokumoto, Yoshimasa Watanabe
Environmental Science and Technology   42(14) 5310-5315   Jul 2008   [Refereed]
Fouling in membranes used for water treatment has been attributed to the presence of natural organic matter (NOM) in water. There have been reports recently on the contribution of hydrophilic fractions of NOM (e.g., carbohydrate-like substances) t...
Katsuki Kimura, Tomohiro Maeda, Hiroshi Yamamura, Yoshimasa Watanabe
Journal of Membrane Science   320(1-2) 356-362   Jul 2008   [Refereed]
Chemical coagulation has been widely used as a method to mitigate membrane fouling in MF/UF membranes used for drinking water treatment. Optimization of coagulation as pre-treatment of membrane processes has not been achieved yet: the optimum cond...
Katsuki Kimura, Rie Nishisako, Taro Miyoshi, Ryusuke Shimada, Yoshimasa Watanabe
Water Research   42(3) 625-632   Feb 2008   [Refereed]
Submerged membrane bioreactors (MBRs) are now widely used for various types of wastewater treatment. One drawback of submerged MBRs is the difficulty in removing nitrogen because intensive aeration is usually carried out in the tank and the MBRs m...
Hiroshi Yamamura, Katsuki Kimura, Yoshimasa Watanabe
Environmental Science and Technology   41(19) 6789-6794   Oct 2007   [Refereed]
Control of membrane fouling is important for more efficient use of membranes in water treatment. Control of physically irreversible fouling, which is defined as fouling that requires chemical cleaning to be cancelled, is particularly important for...
Hiroshi Yamamura, Kenji Okimoto, Katsuki Kimura, Yoshimasa Watanabe
Journal of Water Supply: Research and Technology - AQUA   56(6-7) 425-434   Sep 2007   [Refereed]
Water treatment using microfiltration (MFVultrafiltration (UF) membranes is gaining in popularity all over the world but the problem of membrane fouling needs to be addressed, in this study, the influence of calcium on irreversible fouling in MF/U...
Hiroshi Yamamura, Soryong Chae, Katsuki Kimura, Yoshimasa Watanabe
Water Research   41(17) 3812-3822   Sep 2007   [Refereed]
The main disadvantage of membrane filtration is membrane fouling, which remains as the major obstacle for more efficient use of this technology. Information about the constituents that cause fouling is indispensable for more efficient operation. W...
Katsu Kimura, M. Enomoto, Yoshiw Watanabe
Water Science and Technology   55 119-126   May 2007   [Refereed]
Submerged membrane bioreactors (MBRs) have been gaining in popularity in various types of wastewater treatment. One drawback of submerged MBRs is difficulty in removing nitrogen as they are accompanied with intensive aeration inside the reactor an...
Katsuki Kimura, Hiroe Hara, Yoshimasa Watanabe
Environmental Science and Technology   41(10) 3708-3714   May 2007   [Refereed]
The elimination of six acidic pharmaceuticals (clofibric acid, diclofenac, ibuprofen, ketoprofen, mefenamic acid, and naproxen) in a real wastewater treatment plant (WWTP) using an activated sludge system and membrane bioreactors (MBRs) was invest...
Nobuhiro Yamato, Katsuki Kimura, Taro Miyoshi, Yoshimasa Watanabe
Journal of Membrane Science   280(1-2) 911-919   Sep 2006   [Refereed]
There is a need for efficient control of membrane fouling in membrane bioreactors (MBRs), but there is still an insufficient understanding of the phenomena of membrane fouling and little is known about the influence of polymeric membrane materials...
Y. Watanabe, K. Kimura, T. Itonaga
Separation Science and Technology   41 1371-1382   Jun 2006   [Refereed]
This paper deals with the membrane fouling in membrane bioreactor (MBR). Based on the experimental data obtained in the MBR pilot plant study, the influence of F/M ratio on the irreversible and reversible fouling was discussed in the wide range of...
Katsuki Kimura, Katsuki Kimura, Hiroshi Yamamura, Yoshimasa Watanabe
Separation Science and Technology   41(7) 1331-1344   Jun 2006   [Refereed]
For more efficient use of membrane technology in water treatment, it is essential to understand more about the fouling that requires chemical cleaning to be eliminated (i.e., irreversible fouling). In this study, five different MF/UF membranes and...
Katsu Kimura, Y. Watanabe
Water Science and Technology   52 427-434   Dec 2005   [Refereed]
In this study, a novel membrane bioreactor (MBR) in which nitrification and denitrification simultaneously proceed in a single reaction chamber is proposed for advanced municipal wastewater treatment. Anoxic/aerobic environments are alternatively ...
Katsuki Kimura, Nobuhiro Yamato, Hiroshi Yamamura, Yoshimasa Watanabe
Environmental Science and Technology   39 6293-6299   Aug 2005   [Refereed]
The main obstacle for wider use of membrane bioreactors (MBRs) for wastewater treatment is membrane fouling (i.e., deterioration of membrane permeability), which increases operating costs. For more efficient control of membrane fouling in MBRs, an...
Katsuki Kimura, Hiroe Hara, Yoshimasa Watanabe
Desalination   178 135-140   Jul 2005   [Refereed]
Unintentional indirect potable water reuse, where wastewater effluent is used as a part of a downstream drinking water source, has become a great concern. In this case, a variety of organic micro-pollutants contained in wastewater effluent could c...
K. Kimura, Y. Hane, Y. Watanabe
Water Science and Technology   51 93-100   Jul 2005   [Refereed]
Membrane fouling can be divided into two types: reversible fouling and irreversible fouling. The former can be easily canceled by physical cleaning (e.g., backwashing) while the latter needs chemical cleaning to be mitigated. For more efficient us...
Katsuki Kimura, Shiho Toshima, Gary Amy, Yoshimasa Watanabe
Journal of Membrane Science   245 71-78   Dec 2004   [Refereed]
As high quality drinking water becomes scarcer, unintentional indirect potable water reuse, where wastewater effluent is used as a part of a downstream drinking water source, has become a great concern throughout the world. In this case, a variety...
T. Itonaga, K. Kimura, Y. Watanabe
Water Science and Technology   50 301-309   Dec 2004   [Refereed]
In this study, pilot scale experiments were carried out to examine membrane fouling occurring in membrane bioreactors (MBR) with or without pre-treatment (coagulation/sedimentation). Especially, the influence of suspension viscosity and dissolved ...
Katsuki Kimura, Yasushi Hane, Yoshimasa Watanabe, Gary Amy, Naoki Ohkuma
Water Research   38 3431-3441   Aug 2004   [Refereed]
For more efficient use of membranes, the control of irreversible membrane fouling, which can be defined as fouling requiring chemical reagents to be mitigated, is of importance. In this study, irreversible fouling caused by constituents in surface...
Katsuki Kimura, Katsuki Kimura, Gary Amy, Jörg E. Drewes, Thomas Heberer, Tae Uk Kim, Yoshimasa Watanabe
Journal of Membrane Science   227 113-121   Dec 2003   [Refereed]
The growing demand on water resources has increased interest in wastewater reclamation for potable reuse, in which rejection of organic micropollutants such as disinfection by-products (DBPs), endocrine disrupting compounds (EDCs), and pharmaceuti...
Katsuki Kimura, Katsuki Kimura, Gary Amy, Jörg Drewes, Yoshimasa Watanabe
Journal of Membrane Science   221 89-101   Aug 2003   [Refereed]
This study addresses the adsorption of hydrophobic compounds at low concentration (∼100ppb) onto NF/RO membranes. In this study, three surrogate compounds and three NF/RO membranes were tested under cross-flow conditions. Experimental results show...
Katsuki Kimura, Masahiko Nakamura, Yoshimasa Watanabe
Water Research   36, 1758-1766 1758-1766   Apr 2002   [Refereed]
In this paper, a new method for removal of nitrate from groundwater, in which elemental sulfur-based denitrification (autotrophic denitrification) and membrane separation are combined, is proposed. By using a membrane, autotrophic denitrifiers, wh...
K. Kimura, Y. Watanabe
Water Science and Technology: Water Supply   2(2), 177-183 177-183   Jan 2002   [Refereed]
We have developed a novel biofilm-membrane reactor (BMR) in which a nitrifying biofilm is fixed on the surface of a rotating membrane disk. With this reactor, both strict solid-liquid separation and oxidation of ammonia nitrogen can be simultaneou...
K. Kimura, Y. Watanabe, N. Ohkuma
Water Science and Technology: Water Supply   1 157-168   Jan 2001   [Refereed]
The authors have proposed a novel biofilm-membrane reactor (BMR) in which nitrifying biofilm is fixed on the surface of the rotating membrane disk. With this reactor, both strict solid-liquid separation and oxidation of ammonia nitrogen can be sim...
K. Kimura, Y. Watanabe, S. Okabe, H. Satoh
Water Science and Technology: Water Supply   1(4), 111(4) 111-118   Jan 2001   [Refereed]
The authors have proposed a novel water treatment process in which nitrifying bacteria are fixed on the surface of rotating membrane disks. This biofilm-membrane process can perform strict solid-liquid separation and oxidation of ammonia nitrogen ...
Y. Watanabe, K. Kimura, T. Suzuki
Water Science and Technology   41(10-11) 9-16   Aug 2000   [Refereed]
This paper deals with two recent developments made by the authors about the hybrid membrane systems applicable to the water purification. The performance of a hybrid MF membrane system with circulating powdered activated carbon and condensed sludg...
Katsuki Kimura, Yoshimasa Watanabe, Naoki Ohkuma
Water Research   34(11), 2895(11) 2895-2904   Aug 2000   [Refereed]
The authors have proposed a novel membrane process where nitrifying bacteria are fixed on the surface of the rotating membrane disks. With this proposed membrane process, the simultaneous performance of the strict solid-liquid separation and the o...
Katsuki Kimura, Yoshimasa Watanabe, Naoki Ohkuma
Water Science and Technology   38(4-5), 443(4-5) 443-452   Dec 1998   [Refereed]
Membrane filtration and oxidation of ammonia were simultaneously performed by using a rotating membrane disk module. Nitrification performance, composition of the accumulated cakes on the membrane and the filtration resistances were investigated u...
Katsuki Kimura, Yoshimasa Watanabe, Naoki Ohkuma
Journal of Environmental Systems and Engineering   (608) 87-95   1998   [Refereed]
Y. Watanabe, K. Kimura, S. Okabe, G. Ozawa, N. Ohkuma
Water Science and Technology   36(19, 51(1) 51-60   Oct 1997   [Refereed]
For the oxidation of low concentrations of NH 4 + -N, conventional biofilm reactors such as a rotating biological contactor encounter difficulty due to mass transport limitation of NH 4 + -N. Therefore, the authors have developed a novel biofilm-m...

Misc

 
K. Kimura, S. Yamamoto
Lecture Notes in Civil Engineering   4 153-158   Jan 2017
© Springer International Publishing AG 2017. The authors have proposed a baffled membrane bioreactor (BMBR) that can eliminate the energy needed for the mixed liquor circulation. A combination of the BMBR concept and use of biomass carriers is pro...
Y. Watanabe, K. Kimura
Treatise on Water Science   4 23-61   Jan 2010
© 2011 Elsevier B.V. All rights reserved. This chapter describes the membrane fouling for water and wastewater-treatment application. In surface water treatment, hydrophilic fraction of the natural organic matter, especially carbohydrate-like subs...
Advanced Drinking Water Treatment by the Membrane with Fixed Biofilm
Journal of Japan Water Works Association   71(4), 10    2002
Nitrification performance of biofilms fixed on the rotating membrane disk.
Journal of Environmental Systems and Engineering   (552) 43   1996

Research Grants & Projects

 
Optimization of membrane bioreactor
JST Basic Research Programs (Core Research for Evolutional Science and Technology :CREST)
Project Year: 1997 - 2001
A study on membrane fouling mechanism
Grant-in-Aid for Scientific Research
Project Year: 2000 - 2004
Characterization of dissolved natural organic matter
Grant-in-Aid for Scientific Research
Project Year: 2000 - 2004
Development of a novel water /wastewater system using membrane technology

Patents

 
Rotating membrane disk module
*