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BT BWMS
Ballast Water Management System
Currently, more than 50 billion tons of ballast water per year is moving across different seas via international navigation vessels thus the marine species can disrupt the ecosystem as they can also move along with them. To prevent this problem, the ballast water management system removes or disarms the aquatic organisms and pathogens in the ballast water.

In general, the filtration and electrolysis using filters are well known for the ballast water management but the disadvantage is that the discharge via reverse cleaning involves filtering technique only where the ballast water gets into the tank. In addition, it must be generated a high concentration of sodium hypochlorite to sterilize aquatic organisms by electrolytic sterilization and need to be neutralizedby sodium thiosulfate, etc. when the water is discharged. Most of the 57 BWMS approved as of 2017 is likely to violate IMO and USCG regulations when the devices actually activate to discharge the ballast water. IMO D-2 Standard regulates to discharge that planktons of 10-50 ㎛ exist less than 10 units per 1ml and the planktons of bigger than 50 ㎛ exist less than 10 units per 1 ton.
However, 45out of 57 BWMS using filter are dealing with filters bigger than 20 ㎛when the ballast water comes in, not goes out. Therefore, it islikely to discharge bigger than 50 ㎛ of the planktonssince smaller than 20 ㎛ of the planktons are coming into the tank and grow up there during the voyage. To solve this problem, Mitsui Engineering & Shipbuilding developed a method to treat the ballast water when it is both coming in and out using the membrane filter, but it cannot be used in the places where the sea water is murky, as is the case inIncheon Harbor in South Korea or Shanghai harbor in China.

BT-BWMS of Biotruss Co. Ltd. is designed to resolve this kind of problem and the ballast water does not need to be neutralized for discharging the water since the filtered aquatic organisms are heated, sterilized and high-frequency radio signals are used to treat germs, bacteria, and etc.
No treatment required when the ballast water pour into the tank
Nothing is disturbed during unloadingsince no treatment is necessary when the ballast water is injected into the tank. It does not matter even the sea water is very murkyas is the Incheon Harbor in Korea or Shanghai Harbor in China.

A new method using filter when the water is discharged if the planktons are bigger than 10 ㎛
It is a method discharging the ballast water after the planktons become extinctby hot water and toxic vibrio bacteria are sterilized by high-frequency current. It fully satisfies the regulations of IMO and USCG.
Biotruss Co., Ltd. Representative : Choo, Yong e-mail : admin1@biotruss.com
Address : 301-332, Poongjun-ro, 37-9 Danwon-gu, Ansan-si, Gyunggi-do, Korea Tel : 82-2-730-1715
COPYRIGHT ⓒ 2017-BIOTRUSS ALL RIGHTS RESERVED.