Shipping Containers for Live Seafood
Currently, all live seafood (fish, crustaceans, shell fish etc) are transported via air freight. This is a very expensive exercise as the bulk of the cargo is actually water, which is necessary to keep these seafood alive. In 2010, SIF teamed up with a global shipping company to develop a world first live support system for sea bound shipping containers. In this instance, we are talking about more than 10 times saving in shipping cost; re air freight versus sea freight.
We have successfully developed and test-run our proprietary live support system for a customized reefer shipping container in 2011 and have achieved a documented stocking density of 130 kg of live fish per metric ton of water with no recorded mortality for a total of 20 days. This is a major break-through for our company as we believe it is a world first.
Our DPA technology improves the survivability of transported live seafood by increasing and maintaining dissolved oxygen at an optimum level and ammonia level at less than 1 mg/l.
SIF Technologies’ diverse solutions can also be applied in the logistics sector. We have previously embarked on a collaboration with one of the world’s largest oil rig and ship building company to complete a world first chemical free ballast water treatment system.
Ballast is any material used to weight and/or balance an object. Ballast water is therefore water carried by ships to ensure stability, trim and structural integrity. When a ship is empty of cargo, it is fills with ballast water. When it loads cargo, the ballast water is discharged. However, ballast water may contain harmful aquatic organisms and species which will upset ecological balance and become detrimental to marine life. It is important that alternative, effective ballast water management and/or treatment methods are developed as soon as possible, to replace reballasting at sea. Options being considered include mechanical treatment methods such as filtration and separation, physical treatment methods such as sterilisation by ozone, ultra-violet light, electric currents and heat treatment, chemical treatment methods such adding biocides to ballast water to kill organisms or a combinations of them.
However, all these method currently require significant further research effort and there are difficulties in using the mentioned technologies to manage huge quantities of ballast water carried by large ships. In addition, treatment options must not interfere unduly with the safe and economical operation of the ship and must consider ship design limitations. Any control measure that is developed must meet a number of criteria, including environmentally safe and cost-effective
The DPA technology was put into an actual trial and the initial results was highly positive; achieving more than 90% reduction in micro-organisms between 20 – 50 microns . This achievement brings the DPA technology one step closer to providing a chemical-free solution for ballast water treatment.