Wuhan Hanxi Wastewater Treatment Co., Ltd. is a joint venture company. Its shareholders are SIIC Environment Holdings Co., Ltd., SIIC Environment Holdings (Wuhan) Co. ltd. and Wuhan Urban Drainage Development Co., Ltd. The total investment amount is about 1.2 billion. The investment was processed in two phases.The investment amount for phase I is RMB 463 million and the investment amount for phase II is RMB 720 million. The capacity is 400,000 tons/day for phase I and 600,000 tons/ day for phase II. The capacity is expected to be 800,000 tons/day in the next 2-3 years. This project is the largest wastewater treatment plant in central. The main process is a modified A2/O biological treatment process.
Hanxi Wastewater Treatment Plant currently serves west part of the main city in Hankou. The service area extends from Xinhua Road in the east, to Wujiashan Taiwanese Investment Zone near Han River in the waste, and to the river embankment in the north, with a service area of ??176.7km2. The long-term service population will reach 1.725 million. The mean process Hanxi Wastewater plant uses is a modified A2/O biological treatment process. The modified A2/O biological reactor adds a selective zone (pre-anoxic zone) in front of the anaerobic zone of the conventional A2/O process. The returned sludge from secondary tank and 10% of the wastewater enter the selective zone. The residence time is about 20 to 30 minutes. The microorganisms use about 10% of the influent organic matter to remove the return nitrate nitrogen and eliminate the adverse effects of nitrate on the anaerobic tank, in order to ensure the stability of anaerobic process and improve efficiency of phosphorus removal. At the same time, the modified A2/O biological treatment process retains the reflux of the mixed liquor in the conventional A2/O process, thus ensuring the denitrification effect. The sludge aerobic fermentation workshop in Hanxi adopts high-temperature aerobic fermentation technology to decompose unstable organics through microbial activities, and uses continuous high-temperature process generated in microbial metabolism to kill pathogenic bacteria and weed seeds, helping moisture removal. All the sludge is detoxified to harmless products and achieved the 3R (Recycle, Reuse and Reduce) rules. The deodorizing system treats waste odor molecules by using biological membranes specially cultivated on the biological filler in the biological filter.
The company passed environmental management system certification, quality management system certification and occupational health and safety management system certification (ISO 14001, 9001 &18001). Through advanced technology accumulation, excellent team and its operation methods, Hanxi Company has successively obtained the Advanced Wastewater Treatment Operation Company in Wuhan and Wuhan City's “Eleventh Five-Year” Advanced Environmental Protection Group.
SIIC Environmental (Yinchuan) Wastewater Treatment Co., Ltd. was established in December 2014. It took over the fifth wastewater treatment in Yinchuan City on February 1, 2015 in TOT mode. The project is located in Xinshuiqiao Village, Daxin Township, Xingqing District. The capacity of phase I is 50,000 m3/d. It was completed and put into the operation in 2012. The phase I covers an area of 63,836 m2 (about 96 mu). It uses the Carrousel 2000 oxidation ditch process. The effluent reaches Level 1 Grade B of the “Emission Standard of Pollutants for Urban Wastewater Treatment Plants” standard (GB18918-2002).
The service area ranges from Tangyu Qu and Lijing Street in the west, to East Ring Expressway in the east, the north-bound Silver New Railway Dedicated Line and the North Ring Expressway, and south to the South Ring Expressway with a service area of 44 km2. The area will be extended to 88 mu in the phase II with a building area of 5126.1 m2. The capacity will reach 50,000 m3/d for phase I in order to meet the new standard. At the same time, it will start its phase II with a capacity of 50,000 m3 / d. The process is A2/O treatment, and the effluent will meet the Level 1 Grade A standard. The total estimated project investment is 173.1208 million RMB. The project was in trial operation for process adjustment stage on November 27, 2017. The current effluent has reached Level 1 Grade A standards. The company won the Advanced Group of the National Review of Water-Saving Cities in Yinchuan City in 2015.
Shanghai Qingpu Second Wastewater Treatment is located in Qingpu Industrial Park, with an area of ??approximately 288 mu. Its designed daily processing capacity is 180,000 tons. The effluent water quality complies with the Level I Grade A standard of the Urban Wastewater Discharge Standard for Pollutants (GB18918-2002). Some indicators (such as ammonia nitrogen, total phosphorus, etc.) complies with Level IV standards for surface water. The Service area includes “One City, Two Towns, and One District”: the Middle East of Qingpu New City, Zhaoxiang town, Chonggu town and Qingpu Industrial Parks. The service area is about 86.7 square kilometers, and the service population is about 453,000. Shanghai Qingpu Second Wastewater Treatment Plant is currently the largest wastewater treatment plant in Qingpu District.
Over the years, Qingpu Second Wastewater Treatment Plant upholds the concept of “purifying water quality and benefiting the people” and has done a good job for the safe and stable operation. The quality of effluent water 100% reaches the standard requirements. It has made efforts for ecological civilization construction and energy conservation and emission reduction in Qingpu District. Contributed by the local government and local residence, Shanghai Qingpu Second Wastewater Treatment Plant awarded the “Advanced Group for Energy Saving and Emission Reduction in the 11th Five-Year Plan of Shanghai” and “Excellent Standards Company for the Achievement of Energy Efficiency and Emission Reduction Performance Assessment for National Urban Wastewater Treatment Plants”. Among many assessments and appraisals of the water industry in Qingpu District, Qingpu Second Wastewater Treatment achieved Top1 several times in the assessment of the operation and management of the district's wastewater treatment plant, the laboratory's skill assessment, and achieved good result of the first electrician's operation competition.
Weifang City Wastewater Treatment Plant is located in Hanting District, Weifang City, Shandong Province. The occupied area is ??approximately 205 mu. Its designed daily treatment capacity is 200,000 tons. The plant started its construction on September 2013 and was officially put into operation on March 2016. The service area of Weifang City Wastewater Treatment plant covers approximately 98km2 and the service population is about 530,000.
The total investment of the project is 327 million RMB. The main process it uses is A2/O treatment with multi-point water entry. The influent water quality is designed according to the "Water Quality Standard of Wastewater Discharged into City Sewers" (CJ3082-1999). The effluent quality complies with “The Discharge of Pollutants from Wastewater Treatment Standard (GB18918-2002) Level 1 Grade A standard. The process can be operated in an upright position and inverted position according to different influent, water quality and different seasons. The technology is reliable, efficient, energy-saving and stable.
This project is an important part of Weifang City's “386 Environmental Protection Action”, which is invested, constructed and operated by SIIC Environment Holdings (Weifang) Co., Ltd. in a BOT mode. After its completion and operation, it further improved the ecological environment of the Bailang River and its comprehensive environment management result, thus improving the level of ecological civilization construction in Weifang City. Since its commercial operation, the Weifang City Wastewater Treatment has won the first place in the city's Wastewater Industry Evaluation in two consecutive years.
Henggang City Wastewater Treatment (2nd Stage) is one of the important municipal public infrastructure projects during the “Eleventh Five-Year Plan” period in Shenzhen. In March 2009, Shenzhen Water Affairs Bureau authorized Shenzhen South Waterworks Co., Ltd. to operate it in a BOT mode. Henggang Wastewater plant was put into operation officially on April 2011.
The Henggang City Wastewater Treatment Plant (2nd Stage) has a designed treatment capacity of 100,000 tons per day. The major equipment such as lifting pumps, blowers, dewatering machines, and second-stage sink scrapers are imported from other countries. The process it uses is modified A2/O process + biochemical Pool (auxiliary chemical phosphorus removal) + secondary sedimentation tank + fiber filter + UV disinfection process. The effluent quality complies with "The Wastewater Treatment Plant Pollutant Discharge Standards" (GB18918-2002) Level 1 Grade A standards. The plant covers an area of ??43,850 square meters and serves a district of the Henggang Street, Wutongshan River and Dangkang River Basin. The total service population is more than700, 000 people.
Henggang Wastewater Treatment Plant (2nd Stage) is a display window of Southern Water Company for conveying the spirit of Harmony. It has been awarded “Shenzhen Wastewater Treatment Outstanding Enterprise (Excellent Operation Wastewater Treatment) for Six consecutive years since 2012. The National Ministry of Environmental Protection, Guangdong Province and Shenzhen City Environmental Protection Bureau have inspected the plant several times, and they have given the plant a very high reputation.
Cixi City Hangzhouwam New Distract Water Purification is located in the Hangzhouwan New District, Ningbo. It is located east of Xingci 4th Road, northwest of a thermal power plant, south of Jiutang River and covers an area of 175 mu. It is responsible for the treatment of domestic wastewater and part of industrial wastewater of Hangzhouwan New District.
The project construction was completed in 2003. The total design capacity is currently 60,000 m3/d after renovations and expansion, and the maximum capacity can reach 90,000 m3/d. The main treatment process is hydrolysis acidification + A/A/O + filter tank filtration + chlorine dioxide disinfection process. The effluent water quality implements the Level I Grade A emission standard of the "Emission Standard of Pollutants for Municipal Wastewater Treatment Plants" (GB18918-2002). The project was constructed and operated by Cixi Hangzhouwan Water Treatment Co., Ltd., which is owned by Fudan Water.
In 2017, according to the "Ningbo City Water Pollution Prevention and Control Action Plan", the "Thirteenth Five-Year Plan for Ecological and Environmental Protection" of Ningbo City, and the requirements of the Hangzhouwan New Area, the Hangzhouwan Wastewater Project will be upgraded from Level I Grade A to Level IV. The effluent quality upgrade project is the first municipal wastewater treatment project under Fudan Water that implements Level IV standards.
Fengxian West Wastewater Treatment is an integrated wastewater treatment that invests, builds and operates in BOT mode. Waste water originates from the west of Jinhui Port, including Nanqiao New Town, Zhuangxing Town, Zhelin Town, and the West Block of the Gulf Tourism Zone. The service area is 289km2 and the service population is over 1 million.
The designed total daily treatment capacity of Fengxian West Wastewater Treatment is 550,000 tons. At present, a daily capacity of 150,000 tons has been completed, of which 1 stage is 100,000 tons. The plant was put into operation in November 2007. The effluent implements the Level II standards. The capacity of 2 stage is 50,000 tons/day and it began its operation in April 2011. The effluent of phase II implements Level I Grade B standard. It covers an area of 158,000 square meters for 1st and 2nd Stage together. The final effluent water is discharged into Hangzhouwan.
At the end of 2016, in accordance with the “Implementation for Shanghai Water Pollution Prevention and Control Action Plan”, the “Three-Year Action Plan for Environmental Protection and Construction in 2015-2017” and the requirements of the Fengxian District Government, the 1st and 2nd Stage of Fengxian West Wastewater Treatment was upgraded. The 3rd Stage with treatment capacity of 50,000 tons/day will be constructed. It covers an area of 249 mu in total. After the completion, Fengxian West Wastewater Treatment will have a total treatment capacity of 200,000 tons/day. The effluent implements the “Urban Wastewater Treatment Plant Pollutant Discharge Standards” (GB18918-2002) Level I Grade A standard. The project is now basically completed and the trial operation has been completed. It is expected to be put into operation in the first half of 2018.
Since the built-up of Fengxian West Wastewater Treatment Plant 1st Stage in 2007, it has been awarded with a special award for energy saving and emission reduction for many years. The total amount of special fund awards and subsidies it received has exceeded 30 million RMB.
Harbin Taiping Wastewater Treatment covers an area of ??16 mu and has a total construction area of ??6,400 m2. The construction began on June 6, 2004 and was completed on August 30, 2005, with a very short construction period of only 14 months. The commissioning started in the same year on October 9, and the trial operations began on December 1. In early 2006, it passed the environmental assessment and inspection by the Environmental Protection Bureau of Heilongjiang Province. It began its official operation on February 15, 2006.
Taiping Wastewater Treatment has the shortest construction (14 months, including 3 months winter) in the same-scale wastewater treatment plants in the Northeast China. It was the fastest launched project in 2004 and the largest domestic water treatment plant with the lowest investment by BOT mode at that time in the Northeast China. It charged the lowest wastewater treatment service fees at that time. It used the highest percentage of self-owned IPRs in domestic wastewater treatment plants.
Taiping Wastewater Treatment Plant is uses a secondary biochemical treatment process and A/O denitrification process with a capacity of 325,000 m3/d. Since put into operation in 2006, all water discharge indicators of Taiping Wastewater Treatment have achieved the national wastewater level I Grade B emission standards. Through technical cooperation with Harbin Institute of Technology, the operating process is optimized to make it more suitable for the low temperature weather in northern China, ensuring the safety and stability of the effluent quality and complying with the discharge standards.
There was no violation that happened since the operation of Taiping Wastewater Treatment, all final effluent has met the discharge standards, which help guarantee the water quality of Songhua River and make contribution to the protection of water body and reduction of water pollution. The success of Taiping project symbolizes that Harbin has mature experience in the market-oriented municipal infrastructure operation. This project becomes a good example for other cities in Heilongjiang province.
The capacity of the Mudanjiang Wastewater Treatment is 200,000 tons/day, including a two Stage wastewater treatment and a sludge treatment.
The 1st Stage of the Mudanjiang Wastewater Treatment Plant was put into operation in 2003. It is the first high-latitude wastewater treatment plant in China. The capacity of 1st Stage of the project is 100,000 tons/day. The main process it uses is A/O process. The effluent meets the national Level I Grade B standards for wastewater discharge. It’s increased the centralized treatment rate from 0% to 40% in Mudanjiang City, ending the history of the direct discharge of domestic wastewater.
The 2nd Stage was put into operation in 2015. The capacity is 100,000 tons /day. It uses the A2/O process and meets Level I Grade B wastewater discharge national standard. The wastewater treatment rate in Mudanjiang City reaches 87% after the operation of 2nd Stage, achieving the requirements of the state as 80%.
The capacity of sludge treatment of Mudanjiang City Wastewater Treatment Plant is 150 tons / day. It mainly deals with sludge produced by the Mudanjiang Municipal Wastewater Treatment Plant with a process of thermal hydrolysis + anaerobic digestion to realize sludge reduction, stabilization and harmless treatment. The biogas generated in anaerobic process will be used for recycling process, effectively reducing operating costs. The project has a far-reaching significance to help optimize the ecological environment and develop sustainable social economy in Mudanjiang City.
Shanghai Pucheng Thermal Power Energy Co., Ltd. is responsible for operating Yuqiao Municipal Waste Incineration Power Project. The stable operation hours of the Yuqiao Waste Incineration Power Project is more than 8,000 hours now, and the annual disposal capacity is about 400,000 tons, power generated is about 100 million degrees.
The production line of Yuqiao Waste Incineration Power Project is equipped with three furnaces and two engines. There are three grates with a waste capacity of 360 tons burned each day, and three natural circulation heat recovery boilers. The steam generated by waste heat boiler is used to generate electricity for two 8.5MW turbine generators. The Electrical energy generated is input into the city grid. The flue gas treatment is mainly through the ultra-high temperature combustion in the incinerator and the associated flue gas purification device. The flue gas purification device configured for each incineration boiler adopts a combined process with denitrification in the furnace, lime slurry neutralization reaction, lime injection, activated carbon injection, bag filter and activated carbon adsorption tower.
Pucheng Waste Incineration Thermal Power Generation is committed to establishing a standardized management system, taking the lead in developing and adopting clean production, and continuing to promote the ISO quality, environmental and OHSAS standardized management system, and safety production standardization management system. The plant has obtained the Level AA certification by the National Assessment and Evaluation Group of the Ministry of Housing and Urban-Rural Development after an on-site evaluation.
Wenling Hanyang Resources Power Co., Ltd. is responsible for investing, building and operating the Wenling Incineration Power Generation Project, which is the first waste incineration power generation project in Taizhou. The project is located in Pengxia Village, Chengnan Town, Wenling City. The construction area is about 36,430 m2. The registered capital of the company is 142 million RMB.
The company is mainly engaged in the harmless treatment of solid wastes and the use of waste incineration heat for power generation. The capacity is 400,000 tons with 150 million kWh of electricity generated. There are two 350t/d and one 400t/d grates, one 12MW and one 7.5MW power generators. The flue gas treatment system is consist of semi-dry, activated carbon and bag filter, followed with fly ash solidification treatment system, SNCR denitrification system, lime and activated carbon injection device. All environmental protection indicators have achieved or even surpassed national standards.
It has been rated as "Level A Incineration Plant" by the Ministry of Housing and Urban-Rural Development, and was named "Zhejiang Industrial Recycling Economy Demonstration Enterprise" and "Clean Production Advanced Enterprise" by Zhejiang Economic and Trade Commission. It was also named as "Civilization Education center" and obtained other 30 local honors. In addition, it passed the ISO9000, ISO14000, ISO18000 system certification, and established an advanced production management system.