Class 1 (Chief Engineer) Engineering Management 📅 Oct 2022

Exam Question

(a) What are the various national requirements for the ballast water exchange program as of now? Also, discuss IMO ballast water convention status and requirements under the convention.

(b) There are several methods of treatment of Ballast water. Discuss the following physical-based methods for ballast water treatment,

(i) UV radiation;

(ii) UV+Tio2;

(iii) De-oxygenation;

(iv) Gas injection.

Reference Answer

### (a) National and IMO Requirements for Ballast Water Management
#### National Requirements
While the IMO Ballast Water Management Convention (BWMC) sets a global standard, individual Port State authorities or Flag States may impose stricter requirements. The most notable example is the United States Coast Guard (USCG).
**United States Coast Guard (USCG) Requirements:**

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