1 Scope
This standard specifies terms and definitions, product classification, models, requirements, test methods, inspection rules, marking, packing, transportation and storage and quality assurance of disc type, tube type and plate type membrane fine bubble diffuser.
This standard is applicable to biological sewage treatment, source water pretreatment, water quality protection of watercourse and oxygenization of other water bodies.
2 Normative References
The provisions of the following normative documents become part of this standard after being quoted. The provisions in the following became those of this Standard by the reference of the Standard. The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent modification to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard. For undated normative reference, the latest edition of the normative document is applicable to this standard.
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Product Classification and Type
5 Requirement
6 Test Methods
7 Inspection Rules
8 Marking, Packaging, Transport and Storage
9 Quality Assurance
Appendix A (Normative) Calculating the Total Transfer Coefficient of Dissolved Oxygen in Clear Water with Nonlinear Regression Method
Appendix B (Normative) Resistance Loss Determination of Membrane Fine Bubble Diffuser
Appendix C (Informative) Requirements of Pool Floor Aerating System of the Membrane Fine Bubble Diffuser
