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Because the plant is in an area where effluents cannot be discharged and reuse is the only option, a Zero Liquid Discharge (ZLD) technology was specified in the project.
Aquatech, an industry leader in ZLD systems, is supplying the patented HERO™ (High Efficiency Reverse Osmosis) technology to achieve 90% recovery of the total wastewater. The plant capacity is 120 m³/h, and the system is designed to operate the outdoor equipment in an ambient condition of minus 28°C.
HERO™’s high pH operating environment overcomes the limitations of conventional RO systems. In a HERO™ system, RO membranes are operated in high pH environment and hence, in a “continuous cleaning mode”, eliminating the potential foulants, and resulting in a substantially improved overall performance. Historically, successful operating installations as well as pilot testing have confirmed that a high pH environment is a “cleaning environment.” Most constituents that normally foul the membrane are rejected due to the high pH.
Aquatech was awarded this project based on its experience in achieving consistently higher recoveries from difficult wastewater, such as refinery wastewater, using HERO™. The company also has previous experience in executing projects under similar ambient conditions, notably in China.
The plant is expected to be completed in one year.
Speaking about the contract, Sreekumar Pillai, General Manager International Sales & Marketing for Aquatech, commented that:
Aquatech has won this project based on our established expertise and experience in treating challenging waters, as well as our successful previous experience in similar projects. We are very pleased to have been awarded this contract in spite of facing tough competition from neighbouring countries like Russia.
Established in 1981, Aquatech is specialized in water purification technology for industrial and infrastructure markets with a focus on desalination, water reuse, and Zero Liquid Discharge. The company is headquartered in the United States, and has a significant presence worldwide through subsidiaries in India, Europe, the Middle East, and China.
