Unissol Group is one of the leading STP suppliers in Bangladesh. We have successfully implemented a Johkasou Sewage Treatment Plant (STP) at Rooppur Green City, a large-scale residential development project. This project includes a high-capacity STP system with a treatment capacity of 1500 m³/day, designed to manage a substantial volume of domestic wastewater efficiently and reliably.
The Johkasou STP installed for this project is built using fiber-reinforced plastic (FRP) modules, ensuring long-term durability, corrosion resistance, and stable performance. Multiple blowers support the aeration process, while pumps transfer raw wastewater from the collection tank into the treatment system. After treatment and clarification, the final treated water is reused for gardening and landscape irrigation, supporting water conservation within the project area.
This project demonstrates our commitment to delivering sustainable, eco-friendly, and high-performance wastewater treatment solutions for large residential developments across Bangladesh.
The Johkasou STP at Rooppur Green City follows a systematic and efficient treatment process:
The entire system operates seamlessly, ensuring effective sewage treatment with minimal environmental impact.
As a subsidiary of Daiki Japan, we bring the expertise and innovation of Japanese wastewater treatment technology to Bangladesh. Our commitment to quality ensures that each Johkasou system meets the specific needs of the Bangladeshi environment and supports a sustainable future.
Expertise in implementing advanced Japanese sewage treatment technology.
Compact, energy-efficient designs tailored to client needs.
Proven track record of successful projects across Bangladesh.
The Johkasou STP at the Bashundhara Group Chairman’s Residence is a perfect example of sustainable wastewater management.
Sewage Treatment Plants (STP) are very important for Bangladesh to keep the environment clean and safe. With more people and industries growing every day, untreated sewage is causing serious problems. Dirty water from homes and factories often goes into rivers and ponds, making them unsafe for drinking, farming, or fishing. This pollution also harms fish and plants.
STP clean this dirty water, removing harmful things before it goes back into nature. Without proper treatment, sewage can spread diseases like cholera and diarrhea, putting many lives at risk. In crowded cities, STPs help manage waste, prevent bad smells, and stop water from flooding the streets. They also protect our natural surroundings and make sure water stays usable for future generations. As floods and rising sea levels become bigger challenges, STPs are needed to keep communities safe and healthy. Investing in STPs is an investment in a better, cleaner Bangladesh.
Bangladesh, with its many rivers, relies on these waterways for farming, fishing, and transportation. But rapid growth in cities and industries has caused serious pollution. Rivers like the Buriganga are so polluted they can no longer support life, and others like the Shitalakhya, Turag, and Balu are also in danger.
Right now, only about 405 rivers are still active, and many of them are at risk due to pollution and illegal activities. This is a serious problem that needs to be solved quickly.
To protect our rivers, Bangladesh needs to adopt better wastewater treatment methods. One effective solution is the Johkasou system, which helps clean wastewater before it reaches the rivers. Here’s how it can help:
It’s crucial for Bangladesh to act now. Treating wastewater will not only clean up our rivers but also protect public health and create a safer environment for everyone.
| Model | Capacity Range | ApplicationCapacity Range | Material |
|---|---|---|---|
| Capsule Type Johkasou | 1–100 KLD | Domestic wastewater | FRP |
| Cylindrical Type Johkasou | 50–500+ KLD | Industrial wastewater | FRP |
| Grease Trap | Variable | Commercial kitchens | FRP |
At Charm Ltd., we believe that engineering is not just about building systems—it’s about creating a better future.
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