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GB/T 43330.2-2024Ballast water treatment system—Part 2:Electrolytic method (English PDF)

船舶压载水处理系统第2部分：电解法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 15, 2024

Implementation date

October 1, 2024

Scope

GB/T 43330.2-2024 is the English-translated version of 船舶压载水处理系统第2部分：电解法.

GB/T 43330.2-2024 is the Chinese standard "Ballast water treatment system—Part 2:Electrolytic method".

Its scope clause reads: This document specifies the classification and treatment rated capacity, requirements, test methods, installation requirements, inspection rules, and marking, packaging, transportation and storage of ballast water treatment system by electrolytic method.

This document applies to the design, manufacture, installation and inspection of the ballast water treatment system by electrolytic method (hereinafter referred to as the “treatment system”).

Its clauses include terms and definitions; classification and treatment rated capacity.

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Document preview — GB/T 43330.2-2024

National Standard of the People's Republic of China

ICS: 47.020.90
Classification: U 25

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and treatment rated capacity
5 Requirements
6 Test methods
7 Installation requirements
8 Inspection rules
9 Marking, packaging, transportation and storage
Bibliography

1 Scope

This document specifies the classification and treatment rated capacity, requirements, test methods, installation requirements, inspection rules, and marking, packaging, transportation and storage of ballast water treatment system by electrolytic method.

This document applies to the design, manufacture, installation and inspection of the ballast water treatment system by electrolytic method (hereinafter referred to as the “treatment system”).

2 Normative references

The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 3836.1 Explosive atmospheres - Part 1: Equipment - General requirements

GB/T 4208-2017 Degrees of protection provided by enclosure (IP code)

GB/T 10250 Electrical and electronic installations in ships – Electromagnetic compatibility

GB/T 20936.1 Gas detectors for explosive atmospheres - Part 1: Performance requirements of detectors for flammable gases

GB/T 22839-2010 Technical specification for sodium hypochlorite generation installation of electrolysis of seawater

GB/T 43330.1-2023 Ballast water treatment system - Part 1: Requirements

HG/T 2471 Coating of dimensionally stable anode for electrolyzer

Guidelines for type approval test of electric and electronic products (2015), China Classification Society

Resolution MEPC.300 (72) Code for approval of ballast water management systems, IMO

3 Terms and definitions

For the purposes of this document, the terms and definitions given in GB/T 43330.1-2023 and the following apply.

3.1 electrolytic method

a method in which an electrochemical reaction occurs on the surface of an electrode by applying a direct current and generates active substances for ballast water treatment

3.2 electrolysis unit

unit consisting of single or multiple electrolyzers that generates active substances for ballast water treatment by the electrolytic method (3.1)

Note: This unit also includes a ventilation module (if any) for the safe disposal of the hazardous gases generated, as well associated pipe fittings, valves, electrical and electronic components, etc.

3.3 neutralization unit

unit mainly consisting of neutralizing agent preparation and dosing equipment that doses neutralizing agent into the pipeline to neutralize active substances

3.4 treatment rated capacity

maximum continuous treatment capacity of a ballast water treatment system

3.5 gasdetector

detector used for monitoring explosive and/or toxic gases (e.g., hydrogen, hydrocarbon gases, ozone, chlorine dioxide, etc.) that are harmful to the crew and/or ship

3.6 total residual oxidants; TRO

sum of the content of ions and compounds such as hypochlorous acid (HCIO), hypochlorite (ClO-), chlorine (Cl2), hypobromous acid (HBrO), hypobromite (BrO-), bromine (Br2), ozone (O3), hydroxyl radicals, chloroamine compounds, and bromoamine compounds, which is converted into the content of Cl2

4 Classification and treatment rated capacity

4.1 Classification

The treatment system is classified into the main circuit treatment system and the branch circuit treatment system according to whether all the ballast water flows through the electrolysis unit.

4.2 Treatment rated capacity

The treatment rated capacity of the treatment system should conform to the requirements of Table 1.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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