Evac develops waste briquetting technology
Evac’s machine, with a footprint of approximately 2m², is paired with the company’s mixed waste macerator to form dry briquettes that can be stored for landing or incinerated at sea. Given heavy legal restrictions on incineration of waste at sea, Evac says its technology provides a solution that enables cruise ships to remain at sea up to seven times longer.
“In an environment when a ship may not use its incinerator, the garbage room will be filled floor to ceiling in two days,” said Jari Jokela, PhD, senior process specialist, Evac. “Evac’s briquetting technology enables a cruise ship to potentially operate without incineration or landing the waste for a full two-week voyage.”
“Waste stored in the traditional plastic bags has density of 50 to 60 kilos per cubic meter, but the briquette’s density is 550 to 600 kilos per cubic meter,” he added.
The new machine is also said to reduce operating costs, being around 25% cheaper than incineration when diesel and energy consumption is considered.
Beyond maritime use, Evac says the technology can be applied on offshore oil platforms.
Evac provides integrated waste, wastewater-, and water management systems for the shipbuilding, offshore, and construction industries.
