Home > Asian paper plant achieves global wastewater and biogas sustainability standards with GWE’s wastewater treatment plant

Asian paper plant achieves global wastewater and biogas sustainability standards with GWE’s wastewater treatment plant

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article image GWE's wastewater treatment plant at Vina Kraft

Global Water Engineering (GWE) has installed an anaerobic/aerobic wastewater treatment tertiary plant at one of Asia’s newest paper mills to cut effluent COD pollution levels by 99% while also producing up to 12,300 Nm³ of biogas a day, equivalent to 8,800 l/d of fuel.  

The Vina Kraft paper joint venture in the Bin Duong Province of Vietnam is setting global benchmarks for the environmental standards achieved by its wastewater processes while also saving millions of litres of fuel oil by extracting biogas from effluent to reduce its carbon footprint.  

The 35,000m² paper mill on a 38ha site has an annual production capacity of 220,000 tons of packaging paper for applications including food and beverages, consumer products, clothing, shoes, electrical appliances and furniture.  

The plant was constructed to achieve the world’s best environmental standards in its treatment and recycling of effluent and in its extraction of green energy to power boilers and heat processes as an alternative to fossil fuels.  

According to GWE CEO, Mr Jean Pierre Ombregt, green energy generation from wastewater treatment does not always get as much attention as the more traditional renewables such as solar and wind.    

Wastewater as a source of renewable energy has great potential that not only protects the environment but also provides a more reliable and versatile source of green energy compared with solar and wind because of 24/7 production capabilities while generating both heat and electrical power.    

Mr Ombregt adds that optimised wastewater treatment combined with the extraction of green energy and water re-use functions as a counter to global warming and water scarcity in addition to providing a hedge against future fossil fuel price fluctuations.      

GWE has completed more than 300 water and wastewater treatment projects in more than 60 countries across Asia, Africa, North and South America, Australia, China, Europe (including Eastern Europe) and Russia. GWE has successfully built and commissioned more than 75 biogas utilisation systems for clients worldwide.  

GWE’s Vina Kraft wastewater treatment plant has a capacity of 12,000-13,200 m³/d wastewater and maximum of 57,400 kg/d Chemical Oxygen Demand (COD) effluent.   

Performance highlights of GWE’s Vina Kraft wastewater treatment plant: 

(On influent of up to 6100 mg/l COD and after anaerobic, aerobic, tertiary DAF/flocculation treatment and advanced oxygen processes) 

  • 50/60 mg/l COD and 3-5 mg/l BOD (biochemical oxygen demand), compared with typical best international standards around 100 mg/l COD and above, and 15/30 mg/l BOD  
  • Delivers extensive recycling of treated wastewater, with up to 50% being suitable for re-use as process water
  • Achieves strict odour control, attaining top international standards through the use of a covered ANUBIX B upflow anaerobic sludge blanket (UASB) reactor for biological wastewater treatment

CST Wastewater Solutions  has partnered with Global Water Engineering (GWE) to offer a range of anaerobic reactors and processes for wastewater treatment.

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