| NaHCO_3和石灰干式净化焚烧烟气中酸性气体的效果与经济性 |
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| 引用本文： | 孙向军,岳优敏,官贞珍. NaHCO_3和石灰干式净化焚烧烟气中酸性气体的效果与经济性[J]. 环境工程, 2012, 0(Z2): 199-202 |
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| 作者姓名： | 孙向军 岳优敏 官贞珍 |
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| 作者单位： | 上海环境卫生工程设计院;上海环境集团有限公司;同济大学热能与环境工程研究所 |
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| 基金项目： | 上海市科学技术委员会重大课题(10DZ1200105) |
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| 摘 要： | 在热态试验台上研究了石灰和NaHCO3作为吸附剂时,焚烧烟气中HCl和SO2的净化效果。实验研究表明,HCl的排放达标是更主要的任务,在HCl的初始浓度不高于70mg/m3时,NaHCO3和石灰与焚烧烟气中HCl的化学量比(NSR)在4.0以上,HCl和SO2的排放才能满足欧盟2000标准。经济性方面,虽然NaHCO3比石灰的价格贵,但NaHCO3对保证排放标准更为可靠。
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| 关 键 词： | NaHCO3 石灰 HCl SO2 焚烧烟气 NSR |
EFFECT AND ECONOMY OF WET PURIFYING ACID GAS DURING INCINERATION OF FLUE GAS BY NaHCO3 AND LIME |
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| Sun Xiangjun,Yue Youmin,Guan Zhenzhen. EFFECT AND ECONOMY OF WET PURIFYING ACID GAS DURING INCINERATION OF FLUE GAS BY NaHCO3 AND LIME[J]. Environmental Engineering, 2012, 0(Z2): 199-202 |
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| Authors: | Sun Xiangjun Yue Youmin Guan Zhenzhen |
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| Affiliation: | 1.Shanghai Environmental Sanitation Engineering Design Institute,Shanghai 200232,China; 2.Shanghai Environmental Group Co.,Ltd,Shanghai 200336,China; 3.Thermal & Environmental Engineering Institute,Tongji Uni.,Shanghai 200092,China) |
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| Abstract: | HCl and SO2 dry-scrubbing in a lab-scale experimental furnace with NaHCO3 as scrubbing reagents was investigated and its effects were compared with those of lime under different conditions.The results showed that HCl is a more troublesome gas since its scrubbing is more difficult.In order to meet the requirements of emission limitations for incineration flue gas defined in EU2000/76/EEC,the normalized stoichiometric ratios(NSR) of NaHCO3 and lime to HCl and SO2 should be higher than 4 if initial HCl concentration is lower than 70 mg/m3.From view point of economy,lime is cheaper than NaHCO3,however,due to many reasons such as difficulties associated with operation,NaHCO3 is still suggested to be the reagent to meet standard EU2000/76/EEC. |
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| Keywords: | NaHCO3 lime HCl SO2 incineration of flue gas NSR |
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