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HJ 577-2010: Technical specifications for sequencing batch reactor activated sludge process
HJ 577-2010
ENVIRONMENTAL PROTECTION STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Technical specifications for sequencing
batch reactor activated sludge process
ISSUED ON: OCTOBER 12, 2010
IMPLEMENTED ON: JANUARY 01, 2011
Issued by: Ministry of Environmental Protection
Table of Contents
Foreword ... 4 
1 Scope ... 5 
2 Normative references ... 5 
3 Terms and definitions ... 7 
4 General requirements ... 10 
5 Design flowrate and design water quality ... 11 
6 Process design ... 14 
7 Main process equipment ... 27 
8 Testing and control ... 29 
9 Electrical ... 31 
10 Construction and acceptance ... 31 
11 Operation and maintenance ... 38 
Appendix A (Informative) Other deformation processes of the sequencing
batch reactor activated sludge process ... 42 
Technical specifications for sequencing
batch reactor activated sludge process
1 Scope
This standard specifies the technical requirements for the process design, main
process equipment, testing and control, construction and acceptance, operation
and maintenance of the sewage treatment projects which use the sequencing
batch reactor activated sludge method.
This standard is applicable to urban sewage and industrial wastewater
treatment projects which use the sequencing batch reactor activated sludge
process. It can be used as technical basis for environmental impact assessment,
design, construction, environmental protection acceptance, facility operation
management.
2 Normative references
The contents of this standard refer to the terms in the following documents. For
undated references, the valid version applies to this standard.
GB 3096 Environmental quality standard for noise
GB 12348 Emission standard for industrial enterprises noise at boundary
GB 12801 General principles for the requirements of safety and health in
production process
GB 18599 Standard for pollution control on the storage and disposal site for
general industrial solid wastes
GB 18918 Discharge standard of pollutants for municipal wastewater
treatment plant
GB 50014 Code for design of outdoor waste-water engineering
GB 50015 Code for design of building water supply and drainage
GB 50040 Code for design of dynamic machine foundation
GB 50053 Code for design of 10kV and under electric substation
GB 50187 Code for design of general plan of industrial enterprises
GB 50204 Code for acceptance of constructional quality of concrete
structures
GB 50222 Code for fire prevention in design of interior decoration of
buildings
GB 50231 General code for construction and acceptance of mechanical
equipment installation engineering
GB 50254 Code for construction and acceptance of cow-voltage apparatus
electric equipment installation engineering
GB 50268 Code for construction and acceptance of water and sewerage
pipeline works
GB 50334 Quality acceptance code for municipal sewage treatment plant
engineering
GB 50352 Code for design of civil buildings
GBJ 16 Code for fire protection of building design
GBJ 87 Specifications for the design of noise control system in industrial
enterprises
GB 50141 Code for construction and acceptance of water and sewerage
structures
GBZ 1 Hygienic standards for the design of industrial enterprises
GBZ 2 Occupational exposure limit for hazardous agents in the workplace
CJJ 60 Technical specification for operation, maintenance and safety of
municipal wastewater treatment plants
HJ/T 91 Technical specifications requirements for monitoring of surface
water and waste water
HJ/T 247 Specifications for environmental protection product. Vertical shaft
mechanical surface aerator
HJ/T 251 Specifications for environmental protection product. Roots blower
HJ/T 252 Specifications for environmental protection product. Middle and
fine bubble diffusers
HJ/T 260 Specifications for environmental protection product. Blast
submerged aerator
HJ/T 277 Specifications for environmental protection product - Rotary
decanter
HJ/T 278 Specifications for environmental protection product - Single stage
and high speed aeration centrifugal blower
HJ/T 279 Specifications for environmental protection product - Pusher
submersible agitator
HJ/T 353 Technical guidelines of wastewater on-line monitoring equipment
and installation (on trial)
HJ/T 354 Technical specifications for check and acceptance of wastewater
on-line monitoring system (on trial)
HJ/T 355 Technical specifications for the operation and assessment of
Wastewater on-line monitoring system (on trial)
Administrative measures for environmental protection acceptance of
completion of construction projects (State Environmental Protection
Administration, 2001)
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Sequencing batch reactor activated sludge process
Refers to the activated sludge wastewater treatment method consisting of
five basic processes of fill, aeration, settle, drawn, idle in the same reaction
tank (reactor), abbreviated as SBR method. The main deformation
processes include a cyclic activated sludge system/technology (CASS or
CAST process), a demand aeration tank-intermittent aeration tank (DAT-IAT
process), an alternating internal circulation activated sludge process (AICS
process), etc.
3.2
Operating cycle
Refers to a cycle in which a reaction tank completes the fill, aeration, settle,
drawn, idle work procedures in sequence. The time elapsed during an
operating cycle is called the cycle time.
3.9
Reaction time
Refers to the time it takes for the aeration to stop during the fill and aeration
processes in one operating cycle.
3.10
Biological selector
Refers to the pre-reaction zone that is provided at the front end of the
reaction tank, to bring the return sludge into contact with and mix the
undiluted sewage. The types of biological selectors are aerobic, anoxic and
anaerobic.
3.11
Main reaction zone
Refers to the aerobic reaction zone downstream of the biological selector in
the CASS or CAST reaction tank.
3.12
Pretreatment
Refers to the treatment measures set in front of the SBR reaction tank when
the influent water’s quality can meet the biochemical requirements of the
SBR process, such as grilles, grit chambers, primary sinks, air floatation
tanks, grease traps, fiber and hair traps, etc.
3.13
Preprocessing
Refers to the treatment process set in front of the SBR reaction tank
according to the need to adjust the water quality when the influent water’s
quality cannot meet the biochemical requirements of the SBR process, such
as hydrolysis acidification tank, coagulation sedimentation tank,
neutralization tank, etc.
3.14
Standard state
It refers to a state where the atmospheric pressure is 101325 Pa and the
temperature is 293.15 K.
Qs - Design flowrate of rainwater, L/s.
5.1.1.3 The design flowrate of integrated domestic sewage is the product of the
served population and the corresponding quota of integrated domestic sewage
quota. The quota of integrated domestic sewage shall be determined according
to the local water quota, combined with the level of the water supply and drainage
facilities inside building and the popularity of the drainage system; it can be
designed according to 80% ~ 90% of the local relevant water quota.
5.1.1.4 The total coefficient of change of integrated domestic sewage volume