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序批式生物膜反应器去除猪场厌氧消化液中的总磷 被引量:6

Total phosphorus removal in swine's anaerobic digestion by sequencing batch biofilm reactor
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摘要 针对猪场废水的危害和难处理性分析了温度、氨氮和COD对序批式生物膜反应器(SBBR)处理猪场厌氧消化液的除磷效果的影响。实验结果表明,(1)一定温度范围内温度升高不利于SBBR对厌氧消化液的除磷作用;(2)随着进水厌氧消化液氨氮浓度的增加,SBBR对总磷的去除效率从刚开始93.5%降到38.1%,氨氮浓度的升高不利于总磷的去除;(3)过量的碳源会导致反应器除磷效果下降,进水COD浓度宜在800~900 mg/L。 With the hazard and intractability of swine wastewater,it was analyzed that the temperature,ammonia nitrogen and COD impact on the SBBR phosphorus removal of swine's anaerobic digestion.The results showed that:(1) in a certain range of temperatures,the higher of the temperature,the lower of phosphorus removal;(2) with the increase of the influent ammonia nitrogen concentration in anaerobic digestion,the rate of phosphorus removal reduced from 93.5% to 38.1%,so the increase of ammonia nitrogen concentration would result in the decrease of pH value,which was detrimental to the removal phosphorus;(3) an excessive amount of carbon source would decrease the efficiency of phosphorus removal,so the appropriate influent COD concentration arranged from 800 mg/L to 900 mg/L.
出处 《环境工程学报》 CAS CSCD 北大核心 2011年第5期1047-1050,共4页 Chinese Journal of Environmental Engineering
基金 “十一五”国家科技支撑计划重点项目(2007BAB23C02) 科技部农业科技成果转化基金项目(2006GB2C500156)
关键词 序批式生物膜反应器 猪场废水 除磷 影响 SBBR swine wastewater phosphorus removal effect
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