IMO Approvaled Ballast Water Treatment System,IMO Approvaled Ballast Water Treatment System manufacturer. - Hi-Sea Group 
IMO Approvaled Ballast Water Treatment System

IMO Approvaled Ballast Water Treatment System

1.Treatment Technology of ballast water treatment system

The treating process of ballast water treatment system is mainly consisted of the following three procedures:

Filtration ---The ballast water is filtrated by an automatic backwashing filter with 50µm screen to remove marine organisms larger than 50µm.


Disinfection --- A small side stream of the filtered ballast water is delivered to the electrolytic unit to generate the oxidants of high concentration (mainly sodium hypochlorite solution), then the oxidants are injected back into the main ballast stream to provide effective disinfection.

Sodium hypochlorite solution as a very effective germicide can be kept in ballast water for a certain period to effectively kill the plankton, spores, larvae and pathogens contained in the ballast water to meet D-2 standard.

Neutralization --- The residual TRO level of the treated ballast water below 0.1ppm, then the treated ballast water can be directly discharged. If the residual TRO level of the treated ballast water over 0.1ppm, neutralizer (sodium thiosulfate solution) is added into the de-ballast pipe to neutralize residual oxidants instantly automatically.

2. Disinfection principle——Core technology

When seawater flows through the electrolyzer, decomposition reactions take place on the electrode surfaces, with chlorine produced at the anode and hydrogen gas at the cathode.

The reaction principle is as follows:
Anode: 2Cl- → Cl2 + 2e
Cathode: 2H2O + 2e → 2OH- + H2↑
Chlorine gas can be dissolved in water to produce hypochlorous acid and hydrochloric acid rapidly:
Cl2 + H2O → HOCl + Cl- + H+
So the whole reaction is:
NaCl + H2O → NaOCl + H2↑

Sodium hypochlorite solution as a very effective germicide can be kept in ballast water for a certain period to effectively kill the plankton, spores, larvae and pathogens contained in the ballast water. This technology has been widely practiced in water treatment industries like medical sterilization, water treatment fields for many years.

3. BWMS Working Process

Ballast Water Treatment system working process.jpg

4. Specification

Model

Treatment Capacity

Flow Rate to Electrolyzer

Required Power

Dimension

Filter (mm)

Electrolysis Unit (mm)

(m3/h)

(m3/h)

(AC KVA)

L×W×H

L×W×H

BC-300

100-300

6

15

3000×600×800

2500×1800×2200

BC-500

301-500

6

25

3300×600×800

2600×1800×2300

BC-1000

501-1000

12

50

3300×600×800

2900×2300×2200

BC-1500

1001-1500

20

75

3400×800×1070

3000×2600×2100

BC -2000

1501-2000

20

100

3300×1500×800

3300×2500×2200

BC -2500

2001-2500

36

125

3400×1800×1070

3500×2900×2400

BC -3000

2501-3000

36

150

3400×1800×1070

3500×2900×2400

BC -3500

3001-3500

36

175

3400×1800×1070

3800×2400×2500

BC -4000

3501-4000

36

200

3500×3300×770

3800×2400×2600

BC -5000

4001-5000

45

250

3500×3600×770

4000×2800×2600

5. Electrolysis Unit

electrolysis unit.JPG

electrolysis unit 1.jpg

6. Neutralization Unit

neutralization unit.jpg

7. Unit Testing

testing.jpg

8. Certificate

certificate.JPG

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