GB/T 32165-2023
Water saving enterprises—Fermentation industry (English Version)

Standard No.

GB/T 32165-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 32165-2023

Replace

GB/T 32165-2015

Introduction

1. Analysis of standard formulation background and technological evolution

GB/T32165—2023 is a standard for evaluating water-saving enterprises in the fermentation industry, replacing the old standard of 2015 version. The new standard has comprehensively revised the basic requirements, management indicators and technical indicators on the basis of the original ones. The main changes include:

• The basic requirements for water-saving enterprises have been changed (see 4.2)
• The management indicators and requirements for water-saving enterprises have been optimized (see 4.3)
• The technical indicators and requirements for water-saving enterprises have been improved (see 4.4)
• The scoring method and calculation formula have been improved (Appendix A, B)

2. Standard framework comparison table

Standard dimensions	Old standard (GB/T32165-2015)	New standard (GB/T32165-2023)
Basic requirements	Separate measurement of domestic water and production water	The new wastewater discharge meets the standard requirements (with local environmental protection certificate)
Management indicators	Does not involve specific requirements for water balance test	Add water balance test requirements and clarify the calculation method
Technical indicators	The water intake per unit product does not distinguish between specific product types	Add assessment values distinguished by product type

3. Implementation Suggestions

Case analysis: Taking a fermentation enterprise as an example, during the implementation of the new standard, the enterprise reduced the water intake per unit product by 10% by optimizing the steam condensate recovery system and recycling process water, saving more than 500,000 yuan in annual water costs.

Specific suggestions:

1. Establish a sound water-saving management system
2. Carry out water balance tests regularly
3. Invest in water-saving technology transformation
4. Strengthen water-saving awareness training for employees

GB/T 32165-2023 Referenced Document

• GB/T 35945 Terminology in biological fermentation industry

GB/T 32165-2023 history

• 2023 GB/T 32165-2023 Water saving enterprises—Fermentation industry
• 2015 GB/T 32165-2015 Water saving enterprises.Monosodium L-glutamate industry

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