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Dubai explores eco-friendly sewage disposal

Italian firm’s claims about speedy mop-up, minus noise and stench, being evaluated

Gulf News

Dubai: A new sewage disposal technology that may soon be introduced in Dubai promises a significant improvement in terms of efficiency and green standards — 30,000 litres of sewage pumped out in 30 seconds.

This is the first time that the Italian-based waste management company is showcasing its services abroad. A special sewage removal truck the company is offering claims to employ advanced electronic technology to pump out sewage in a way that is also environmentally friendly.

“If it takes half a day to empty a sewage tank, then this new technology will only take half an hour, and it operates with a clean-as-you-go system. There are usually problems associated when mud is mixed in with the equation but this high-powered vacuum can remove everything in its sight in an instant,” said Guianluca Moras, chief executive of Guianluca Moras Cleaning Services.

The manufacturers claim the machine, equipped with a sound insulator, would spare residents the whirring noise of pumps employed by normal sewage tankers. The stench from sewage tanks has also been addressed, the company says.

Moras said that, once the sewage pumping process is completed, a perfume is released from the nozzle, with users offered the option of strawberry or mint-scented sanitizers.

A municipal official inspecting the vehicle said it “doesn’t smell that much” when asked about the odour from the sewage tanks after the trucks had been put to clear them.

Hatim Banage, assistant engineer of pumping stations at the Sewerage and Irrigation Network Department at Dubai Municipality, explained that the vacuum system of the new technology is of a larger capacity than the ones currently in use.

“If we decide to use these trucks, it will be only for the sewage tanks near homes that are connected to the pumping station because we will just want to remove the sewage and nothing more,” he said.

As the waste trucks only require a single person to operate, it is the employee’s task to use a nozzle attached to the vehicle to release bursts of water to break up sewage. The machine uses up to 320 litres of water per minute when operated at maximum capacity.

As the sewage is broken down, a vacuum device connected to the machine is inserted into the sewage tank to pump it out. The probe can go down to a depth of 15 metres at an angle of 180 degrees.

“Our plan in the future is to adapt our technology and use it to pump out sand for small areas of construction. So, if the municipality or any other authority wants to build a lamp post [for instance], they will not have to use any other type of machinery but continue using the same one,” Moras said.