Solutions provided by TJAS
Water purification plant flow
In order to continue to provide secure, safe, stable, tasty and value-added water

Water treatment facility
We propose the optimum water purification facilities tailored to the scale of water purification plant and the required water quality.



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

Pretreatment/
Sedimentation
facility

Purified water
reservoir

Thickening
tank

Dewatering
facility

Drying facility

Filtration/
chemical
dosing facility
Sewage treatment plant flow
Sophisticated technologies to protect the environment and support a comfortable water cycle for society.

Wastewater treatment facility
We propose energy-saving and high-efficiency products for pretreatment, sedimentation, and aeration tanks.



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

Aeration tanks
Final
sedimentation
tank

Sludge
thickening
facility

Sludge digestion facility

Digestion gas
storage

Biogas
power
generation
Sludge dewatering facility


Sludge drying
facility
Sludge incineration facility
Sludge-to-fuel/
Sludge-to-fertilizer
facility


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.