To engage in technical cooperation with overseas enterprises and research institutions, share and exchange Water Healer Technology core technologies in the construction and operation of sewage treatment facilities—such as efficient treatment processes and innovative resource recycling technologies—with international counterparts, and contribute to the advancement of global sewage treatment technology.
ISNA®
Integrated Short-cut Nitrification and Anammox process
Process introduction:
ISNA ® It is an upgraded technology for integrated short-range nitrification anaerobic ammonia oxidation process and biological denitrification of wastewater.
Anaerobic ammonia oxidation is carried out by anaerobic bacteria. These bacteria can form shortcuts in the nitrogen cycle by oxidizing nitrite and ammonia to nitrogen.
The reaction of this bacterium is as follows:
AOB：NH4++2HCO3-+ 1.5 O2→ NO2-+ 3H2O + 2CO2
Anammox：NH4++ 1.32 NO2-+ 0.066HCO3-+ 0.13H+→ 1.02N2+ 0.26NO3-+ 2.03H2O + 生物量
Due to the fact that the short-range nitrification reaction only converts half of NH4+into NO2-, the oxygen and alkali consumption are reduced by 58% and 50% respectively compared to traditional nitrification processes. In addition, the anaerobic ammonia oxidation process is an autotrophic process. Anaerobic ammonia oxidizing bacteria use nitrite as an oxidant to oxidize ammonia to nitrogen or use ammonia as an electron donor to reduce nitrite to nitrogen, without the need for additional carbon sources. The anaerobic ammonia oxidation process produces less sludge and can save 85% of sludge disposal costs.
Technical features:
1. Short range nitrification and anaerobic ammonia oxidation reactions are carried out simultaneously in the same tank, saving time, space, and cost;
2. Adopting fully mixed flow and accurately controlling the concentration of NO2- and NH4+in the system;
3. Unique sludge separation system ensures the separation of particles and flocs from sludge.
Performance indicators:
The influent NH4+- N>100mg/L, with a maximum of 3000mg/L; Volume nitrogen load 5-15kg/(m3 · d) Total nitrogen removal rate>80%, ammonia nitrogen removal rate>95%
Application scope:
Biological treatment of low C/N and high ammonia wastewater in industries such as photovoltaic energy, sludge digestion, landfill, food processing, petrochemicals, pharmaceutical chemicals, metal smelting, and animal husbandry.
GLOBAL LAYOUT
全球化布局
OVERSEAS COOPERATION
海外合作企業(yè)
OVERSEAS COOPERATION
技術(shù)出海
The competent authorities have issued the "Guiding Opinions on Building a Modern Environmental Governance System," which clearly states that "enterprises are encouraged to participate in the construction of the green 'Belt and Road' and promote advanced environmental protection technologies, equipment, and production capacity to go global." In recent years, China has actively participated in global ecological and environmental governance. It has accumulated extensive experience and developed mature technologies in integrated environmental and resource management, flood and drought disaster prevention, harmless treatment of hazardous waste, urban and rural water supply, as well as water environment monitoring and protection. China plays a key role in pollution prevention and control, climate change mitigation, and biodiversity protection. With the continuous upgrading and application of its own technologies, products, and services, Water Healer Technology is well-positioned to expand into international markets. By adapting and optimizing existing technologies to meet the environmental characteristics and needs of different countries and regions, the company aims to ensure a strong foothold in overseas markets and actively contribute to global ecological and environmental governance.
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Water Healer Technology sewage treatment equipment, resource recycling equipment, and other products have demonstrated proven performance in the domestic market. These products are now being introduced to international markets through participation in international environmental protection exhibitions, product promotion conferences, and other channels, in order to enhance their visibility and reputation globally.
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Water Healer Technology has established multiple service outlets overseas to provide customers with timely and efficient construction, operation, and maintenance services for sewage treatment facilities. It also trains localized service personnel who are familiar with the local culture, policies, and market needs, supporting technology upgrades and market expansion.
Tel：0571-86331952
E-mail：[email protected]
Adress：5th Floor, Building 18, No. 397 Cangxing Street, Cangqian Street, Yuhang District, Hangzhou City, Zhejiang Province
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