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Special Copper Removal Agent Series for Recycled Lead Smelting (CTJ) Dust-free Molybdenum-containing Iron Sulfide Series (WHML) for Resin Grinding Wheel Iron sulfide series for resin grinding wheel (LHT) Polymer Molybdenum-containing Abrasive Series (GFZ) for Resin Grinding Wheel Special Sulphurizer Series for Foundry Industry (ZLJ) Iron-sulfur alloy series for steel mills Special autotrophic denitrification to nitrogen new material series for sewage treatment Special sulfur iron denitrification filler series for constructed wetland Special iron sulfide series for brake pads Wear-resistant floor special tin titanium alloy sand series Pyrite, Pyrite Series Molybdenum Series Products Anti-corrosion seasoning series micaceous iron oxide Other Series Products Marketing and service - Solution
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Sulfur-autotrophic denitrification filter media
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- Commodity name: Sulfur-autotrophic denitrification filter media
Sulfur‑autotrophic denitrification material is a novel substance with high efficiency in removing nitrogen pollutants, capable of reducing nitrate to nitrogen gas while releasing sulfate. It boasts advantages such as high performance, environmental friendliness, and renewability.
Sulfur‑autotrophic denitrification filter media are employed in denitrification processes, with elemental sulfur and iron‑based composite minerals serving as the filter material. In addition to capturing suspended pollutants, this composite media functions as a slow‑release electron donor, sustaining the attached autotrophic denitrifying bacteria and thereby achieving nitrogen removal. The selected composite material comprises two major types—those capable of producing acids and those capable of producing bases—during denitrification. By optimizing the composite ratio, the pH during the denitrification process can be maintained within an appropriate range, resulting in a high denitrification rate while meeting the effluent pH requirements for sulfur‑autotrophic denitrification filter media.
Sulfur‑autotrophic denitrification is an autotrophic denitrification process that utilizes reduced sulfur as the electron donor. Chemolithoautotrophic and phototrophic sulfur‑oxidizing bacteria can, under anoxic or anaerobic conditions, employ reduced sulfur as an electron donor, generating energy through the oxidation of sulfur compounds while using nitrate as the electron acceptor to reduce it to nitrogen gas, thereby accomplishing autotrophic denitrification.
Advantages of upgrading the sulfur-autotrophic denitrification process:
1. The filter media exhibits a high treatment capacity, and after replacement, the daily treatment flow rate of the filter bed remains unchanged.
2. In-situ replacement of the filter media, leveraging the existing backwash system without requiring additional equipment, resulting in a straightforward retrofit.
3. Sulfur-autotrophic denitrification is rapid and can be seamlessly integrated into a sequencing batch process.
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豫公网安备41032402000146号 Special Copper Removal Agent Series for Recycled Lead Smelting (CTJ)展开收缩
Dust-free Molybdenum-containing Iron Sulfide Series (WHML) for Resin Grinding Wheel展开收缩
Iron sulfide series for resin grinding wheel (LHT)展开收缩
Polymer Molybdenum-containing Abrasive Series (GFZ) for Resin Grinding Wheel展开收缩
Special Sulphurizer Series for Foundry Industry (ZLJ)展开收缩
Iron-sulfur alloy series for steel mills展开收缩
Special autotrophic denitrification to nitrogen new material series for sewage treatment展开收缩
Special sulfur iron denitrification filler series for constructed wetland展开收缩
Special iron sulfide series for brake pads展开收缩
Wear-resistant floor special tin titanium alloy sand series展开收缩
SAF Coolest v1.3.1.1 设置面板 BXESX-AHXX-SZSFE-ZWS
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