![水環境事業](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/hero_image.jpg)
![水環境事業](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/hero_image_sp.jpg)
Creating a reliable water environment
With a mission to develop water infrastructure that drives comfortable and affluent lifestyles, we will contribute to solving global environmental and social issues.
New Beginnings
TSUKISHIMA JFE AQUA SOLUTION
CO., LTD.
In October 2023, Tsukishima Aqua Solution Co., Ltd merged with the domestic water engineering division of JFE Engineering Corporation to form the new Tsukishima JFE Aqua Solution Co.,Ltd, into one.
Water Environmental BusinessTsukishima JFE Aqua Solution Co.,Ltd.
Industrial BusinessTsukishima Kikai Co., Ltd. (previous name: Tsukishima Machine Sales Co., Ltd.)
NEWS
- Recycling-based society for the water environment
- Water purification plant flow
- Sewage treatment plant flow
-
Tsukishima JFE Aqua Solution
products
Recycling-based society for the water environment
![水環境の循環型社会](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/en/img/tech/water-environmental/top/block02_modal_bg_pc.png)
![水環境の循環型社会](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/en/img/tech/water-environmental/top/block02_modal_bg_sp.png)
purification
plant
![浄水場](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/block02_modal_img03_pc.png)
![浄水場](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/block02_modal_img03_sp.png)
treatment
plant
![下水処理場](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/block02_modal_img04_pc.png)
![下水処理場](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/block02_modal_img04_sp.png)
Safe and reliable water supply
Recycling by-product sludge
Contributing to a comfortable water environment and to public health
Producing renewable energy from sewage sludge to return to society
regeneration
center
![汚泥再生処理センター](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/block02_modal_img05_pc.png)
![汚泥再生処理センター](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/block02_modal_img05_sp.png)
Sludge regeneration center that contributes
to effective utilization of human waste,
biomass
Water purification plant flow
In order to continue to provide secure, safe, stable, tasty and value-added water
![浄水処理設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/icon/icn_white01.png)
Water treatment facility
We propose the optimum water purification facilities tailored to the scale of water purification plant and the required water quality.
![浄水場フロー](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/en/img/tech/water-environmental/top/block03_modal_bg_pc.png)
![浄水場フロー](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/en/img/tech/water-environmental/top/block03_modal_bg_sp.png)
![排水処理設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/icon/icn_white02.png)
Drainage treatment facility
Drainage sludge is produced as a byproduct of water purification process.
We propose the most suitable treatment and the most beneficial utilization of sludge.
well
Sedimentation
facility
chemical dosing
facility
water
reservoir
tank
facility
equipment
Receiving well
![着水井](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_receivingwell.jpg)
Pretreatment/
Sedimentation
facility
![沈殿池](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_settlingbasin.jpg)
Purified water
reservoir
![浄水池](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_cleanwaterreservoir.jpg)
Thickening
tank
![濃縮槽](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_thickenertank.jpg)
Dewatering
facility
![脱水設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_dehydrationfacility.jpg)
Drying facility
![乾燥設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_dryingequipment.jpg)
Filtration/
chemical
dosing facility
Sewage treatment plant flow
Sophisticated technologies to protect the environment and support a comfortable water cycle for society.
![水処理設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/icon/icn_white03.png)
Wastewater treatment facility
We propose energy-saving and high-efficiency products for pretreatment, sedimentation, and aeration tanks.
![下水処理場フロー](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/en/img/tech/water-environmental/top/block04_modal_bg_pc.png)
![下水処理場フロー](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/en/img/tech/water-environmental/top/block04_modal_bg_sp.png)
![汚泥処理設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/icon/icn_white04.png)
Sludge treatment facility
"Sewage sludge" generated in the process of sewage treatment. We satisfy the need for efficient treatment of sewage sludge as well as the creation and conservation of energy.
sedimentation
tank
sedimentation
tank
thickening
facility
facility
gas
storage
generation
dewatering
facility
facility
facility
/Sludge-to-fertilizer facility
Primary
sedimentation
tank
![最初沈殿池](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_settlingtank.jpg)
Aeration tanks
Final
sedimentation
tank
![最終沈殿池](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_settlingtank.jpg)
Sludge
thickening
facility
![汚泥濃縮設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_sludgeconcentratingfacility.jpg)
Sludge digestion facility
![汚泥消化設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_sludgeconcentratingtank.jpg)
Digestion gas
storage
![消化ガス貯留](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_digestivegaspool.jpg)
Biogas
power
generation
![発電設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_powerfacilities.jpg)
Sludge dewatering facility
![汚泥脱水設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_sludgedehydrator01.jpg)
![汚泥脱水設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_sludgedehydrator02.jpg)
Sludge drying
facility
Sludge incineration facility
Sludge-to-fuel/
Sludge-to-fertilizer
facility
![汚泥燃料化・肥料化設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_sludgefuelizationsystem.jpg)
![汚泥燃料化・肥料化設備](https://www.tsk-g.co.jp/wp/wp-content/themes/tsk/img/tech/water-environmental/top/thumb_dewatereddrysystem.jpg)
Tsukishima JFE Aqua Solution Products Playing Key Roles in the Water Environment
PRODUCTS
- Water purification plant
- Sewage treatment plant
- Sludge regeneration
![排水処理設備](https://www.tsk-g.co.jp/wp/wp-content/uploads/2021/02/icn_white02.png)
![](https://www.tsk-g.co.jp/wp/wp-content/uploads/2021/03/thumb_dehydrationfacility.jpg)
![水処理設備](https://www.tsk-g.co.jp/wp/wp-content/uploads/2021/02/icn_white03.png)
![](https://www.tsk-g.co.jp/wp/wp-content/uploads/2021/03/thumb_reactortank01.jpg)
Life Cycle Business
Our life cycle business model delivers long-term contracting services based on the Tsukishima JFE Aqua Solution Group’s technologies and operation and maintenance know-how.
Our public-private partnership businesses include private finance initiative (PFI) and design, build, and operate (DBO) contracts that integrate facility construction with long-term (15–20 years) operation and maintenance (O&M), and power generation from digestion gas utilizing the feed-in tariff (FIT) program.