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Baolan EP Inc.
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Baolan - Model DeSOx -Selective Catalytic Reduction System (SCR)

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SCR (Selective Catalytic Reduction) is a selective catalytic reduction technology. At present, ammonia catalytic reduction method is the most widely used technology. It has no by-products, no secondary pollution, simple device structure, high removal efficiency (up to 90%), reliable operation, and easy maintenance. Selectivity means that in the presence of oxygen and in the presence of oxygen, NH3 preferentially undergoes a reduction and removal reaction with NOx to form nitrogen and water, without oxidizing with the oxygen in the flue gas.

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Its main reaction formula is:
  1. 4NO + 4NH3 + O2 → 4N2 + 6H2O
  2. 2NO2 + 4NH3 + O2 → 3N2 + 6H2O
In the absence of a catalyst, the above-mentioned chemical reaction is only carried out in a very narrow temperature range (about 980 ° C). When the catalyst is used, the reaction temperature can be controlled at 300-400 ° C, which is equivalent to the boiler economizer and air pre-conditioning. The temperature of the flue gas between the heaters is exothermic. Due to the low concentration of NOx in the flue gas, the increase in catalyst temperature caused by the reaction can be ignored.
  • complete the project tasks according to the customer`s requirements to ensure the project quality;
  • the waste gas treatment device designed and provided by the company shall meet the local standards and national standards after treatment by the facility;
  • guarantee the main equipment, provide technical services for the whole life, reply in time in case of any problems during the operation of the equipment, and arrange professional personnel to provide on-site services within 24 hours;
  • when the warranty period expires, our company will only charge a certain cost for equipment maintenance and repair. Establish long-term contact and technical exchange with users, provide users with the latest technology and free technical consultation and service;
  • during the commissioning of waste gas treatment system, and be responsible for training technical personnel. Including daily operation management, equipment operation procedures, common troubleshooting, regular maintenance of equipment, etc;
  • regularly organize customer return visits, understand the system operation status, carefully handle customer feedback, and do a good job in engineering and technical consultation.