Process engineering
We assess the treatment duty, process data, design basis, and performance and acceptance requirements to develop the right process route.
About Huida
Environmental engineering built for practical project results.
Founded in Beijing in 2000, Huida Environmental develops process solutions and equipment across six environmental fields. We support your project from early technical discussions through equipment delivery, commissioning, and operation.
Established2000
Experience Since 2000
A practical engineering foundation for every new project.
Huida Environmental has developed its environmental engineering capability through more than two decades of work in industrial wastewater, biological treatment, equipment integration, solid-waste applications, monitoring, and resource recovery.
Our team brings that process knowledge into new assignments—from understanding the feed stream and selecting the treatment route to coordinating equipment, commissioning, operation, and maintenance.
Integrated Capability
From process definition to operating support.
Huida brings process engineering, equipment integration, project coordination, and lifecycle support together in one practical delivery approach tailored to each project.
Equipment integration
Coordinate process equipment, piping interfaces, instruments, controls, materials, and maintainable access.
Delivery coordination
We coordinate interfaces among the owner, EPC contractor, consultant, equipment suppliers, civil works, utilities, installation, and commissioning teams.
Lifecycle support
We prepare commissioning, operation, maintenance, training, and troubleshooting support for reliable handover and long-term use.
How We Work
Practical engineering, dependable coordination, local collaboration.
Engineering built on real data
We use representative operating data and testing where needed to select equipment and define achievable project targets.
Practical engineering
Solutions are developed around site constraints, operating capability, and maintainability.
Local collaboration
We define clear interfaces with owners, EPC contractors, consultants, and service partners.
Development Path
A practical engineering record built over time.
- 2000Huida Environmental established in Beijing.
- 2019–2021Huida provided direct operation and maintenance services for wastewater and sludge-treatment facilities.
- 2021Utility-model patents were granted across wastewater treatment, anaerobic reactors, solid-waste systems, and high-temperature process equipment.
- 2025Huida received a utility-model patent grant for a recirculating spray-cooling device and completed six environmental-engineering software registrations.
- TodayHuida offers six environmental solution areas for project cooperation in Indonesia and Southeast Asia.
Patents & Technical Development
Patent development grounded in engineering practice.
Huida’s utility-model patent grants span wastewater treatment and reuse, anaerobic reactors, food-waste filtrate, solid-waste and sludge thermal systems, activated-carbon regeneration, mechanical sealing, and equipment cooling.
11Granted utility models
2021–2025Grant years
9 + 2Sole-held + jointly held
Latest Patent Grant
Recirculating Spray-Cooling Device
This recent grant adds a recirculating spray-cooling device to Huida’s equipment-development portfolio.
- Patent number
- ZL202422947840.0
- Applied
- 29 November 2024
- Granted
- 17 October 2025
- Patent holder
- Beijing Huida Environmental Protection Technology Co., Ltd.
Earlier Granted Patent Portfolio
Ten utility models granted in 2021 reflect Huida’s development work across water, waste, anaerobic, and high-temperature equipment. Two are jointly held with Baihehua Group; eight were granted solely to Huida.
01
Industrial Pigment-Production Wastewater Recycling and Reuse Treatment System
- Patent number
- ZL202022870763.5
- Granted
- 6 August 2021
- Patent holder
- Baihehua Group Co., Ltd. and Beijing Huida Environmental Protection Technology Co., Ltd.
02
Pyrolysis-Gas Treatment and Purification System for a Solid-Waste Pyrolysis Furnace
- Patent number
- ZL202022856980.9
- Granted
- 14 December 2021
- Patent holder
- Baihehua Group Co., Ltd. and Beijing Huida Environmental Protection Technology Co., Ltd.
03
Wastewater Treatment System for Expressway Service Areas
- Patent number
- ZL202021456206.2
- Granted
- 15 June 2021
- Patent holder
- Beijing Huida Environmental Protection Technology Co., Ltd.
04
High-Temperature Screw-Conveyor Sealing Device
- Patent number
- ZL202021349061.6
- Granted
- 7 May 2021
- Patent holder
- Beijing Huida Environmental Protection Technology Co., Ltd.
05
Food-Waste Filter-Press Filtrate Treatment System
- Patent number
- ZL202021480789.2
- Granted
- 27 August 2021
- Patent holder
- Beijing Huida Environmental Protection Technology Co., Ltd.
06
High-Temperature Pyrolysis and Incineration Equipment for Chemical Sludge
- Patent number
- ZL202021363842.0
- Granted
- 11 May 2021
- Patent holder
- Beijing Huida Environmental Protection Technology Co., Ltd.
07
High-Temperature Low-Speed Screw Conveyor
- Patent number
- ZL202021350317.5
- Granted
- 7 May 2021
- Patent holder
- Beijing Huida Environmental Protection Technology Co., Ltd.
08
High-Concentration Chemical Wastewater Treatment System
- Patent number
- ZL202021364830.X
- Granted
- 20 July 2021
- Patent holder
- Beijing Huida Environmental Protection Technology Co., Ltd.
09
High-Temperature In-Situ Pyrolytic Activation and Regeneration Equipment for Spent Activated Carbon
- Patent number
- ZL202021363844.X
- Granted
- 27 August 2021
- Patent holder
- Beijing Huida Environmental Protection Technology Co., Ltd.
10
Integrated Upflow Hydrolysis-Anaerobic Reactor
- Patent number
- ZL202021456216.6
- Granted
- 15 June 2021
- Patent holder
- Beijing Huida Environmental Protection Technology Co., Ltd.
Current Innovation Evidence
Huida-owned software supporting environmental engineering
These six Huida-owned software copyright registrations from 2025 expand our digital engineering toolkit across wastewater treatment, sludge drying, hydraulic distribution, anaerobic-process monitoring, and biogas purification.
Chemical-Sludge Drying Equipment Intelligent Control System V1.0
Supports coordinated control planning for chemical-sludge drying equipment and its operating interfaces.
- Copyright owner
- Beijing Huida Environmental Protection Technology Co., Ltd.
- Registered
- 4 September 2025
- Registration number
- 2025SR1700166
Wastewater-Treatment Structure Intelligent Automatic Cleaning Control System V1.0
Supports cleaning-sequence and equipment-control planning for wastewater-treatment structures.
- Copyright owner
- Beijing Huida Environmental Protection Technology Co., Ltd.
- Registered
- 4 September 2025
- Registration number
- 2025SR1703208
Biogas Desulfurization & Decarbonization Process-Parameter Simulation and Analysis Software V1.0
Supports structured analysis of operating parameters when developing biogas-cleaning and upgrading configurations.
- Copyright owner
- Beijing Huida Environmental Protection Technology Co., Ltd.
- Registered
- 3 November 2025
- Registration number
- 2025SR2135401
Biogas Purification & Upgrading Intelligent Control System V1.0
Supports control-logic planning and coordinated operating visibility for biogas-purification equipment.
- Copyright owner
- Beijing Huida Environmental Protection Technology Co., Ltd.
- Registered
- 3 November 2025
- Registration number
- 2025SR2136396
Pipe-Point Water Distributor Uniformity Simulation & Test System V1.0
Supports hydraulic-distribution analysis and uniformity review for pipe-point water-distribution layouts.
- Copyright owner
- Beijing Huida Environmental Protection Technology Co., Ltd.
- Registered
- 4 November 2025
- Registration number
- 2025SR2146331
Wastewater Anaerobic-Treatment Equipment Key-Parameter Intelligent Monitoring System V1.0
Supports structured monitoring of key operating parameters for anaerobic wastewater-treatment equipment.
- Copyright owner
- Beijing Huida Environmental Protection Technology Co., Ltd.
- Registered
- 4 November 2025
- Registration number
- 2025SR2146815
Development & Recognition
Historical credentials from Huida Environmental’s development journey
These certificates mark important stages in Huida’s development. Their original validity periods are shown on each item; the displayed credentials have expired.
01
Past Honors
National High-Tech Enterprise Certificate
- Issued by
- Beijing Municipal Science & Technology Commission, Beijing Municipal Finance Bureau, and Beijing Municipal Tax Service, State Taxation Administration
- First issued
- 1 December 2022
- Original validity
- Three years from issue (as stated on the certificate)
02
Past Honors
Zhongguancun High-Tech Enterprise Certificate
- Issued by
- Zhongguancun Science Park Administrative Committee
- First issued
- 5 June 2023
- Original validity
- Two years from issue (as stated on the certificate)
03
Past Honors
Grade A Operation & Maintenance Service Capability — Industrial Wastewater Treatment
- Issued by
- Environmental Protection Branch, China Association of Machinery Equipment Maintenance and Renovation
- First issued
- Approved 12 February 2022
- Original validity
- 18 February 2022 – 17 February 2025
The address shown on the certificate reflects registration information at the time of issue.
04
Past Honors
Grade A Operation & Maintenance Service Capability — Solid Waste Treatment, Disposal & Incineration
- Issued by
- Environmental Protection Branch, China Association of Machinery Equipment Maintenance and Renovation
- First issued
- Approved 12 February 2022
- Original validity
- 18 February 2022 – 17 February 2025
The address shown on the certificate reflects registration information at the time of issue.
Huida Environmental