净水技术
淨水技術
정수기술
WATER PURIFICATION TECHNOLOGY
2015年
4期
42-46
,共5页
污水%化学需氧量( COD)%颗粒性%活性污泥%数学模型%测定方法
汙水%化學需氧量( COD)%顆粒性%活性汙泥%數學模型%測定方法
오수%화학수양량( COD)%과립성%활성오니%수학모형%측정방법
wastewater%chemical oxygen demand ( COD)%particulate%activated sludge%mathematical model%determination method
污水的颗粒性COD组分包括慢速生物降解组分XS、惰性颗粒性组分XI和异养菌XH ，它们会显著影响污水生物处理系统脱氮除磷的碳源供给、污泥产量和固体平衡。该文分类介绍了颗粒性COD组分XS、XI和XH的常用测定方法及其优缺点，总结了国内外生活污水和工业废水中颗粒性COD组分常用测定方法与浓度范围，并针对水质特点提出了处理对策。文献数据统计结果表明生活污水中XS和XI波动范围非常大（10％～60％），而XH的范围为7％～18．9％。
汙水的顆粒性COD組分包括慢速生物降解組分XS、惰性顆粒性組分XI和異養菌XH ，它們會顯著影響汙水生物處理繫統脫氮除燐的碳源供給、汙泥產量和固體平衡。該文分類介紹瞭顆粒性COD組分XS、XI和XH的常用測定方法及其優缺點，總結瞭國內外生活汙水和工業廢水中顆粒性COD組分常用測定方法與濃度範圍，併針對水質特點提齣瞭處理對策。文獻數據統計結果錶明生活汙水中XS和XI波動範圍非常大（10％～60％），而XH的範圍為7％～18．9％。
오수적과립성COD조분포괄만속생물강해조분XS、타성과립성조분XI화이양균XH ，타문회현저영향오수생물처리계통탈담제린적탄원공급、오니산량화고체평형。해문분류개소료과립성COD조분XS、XI화XH적상용측정방법급기우결점，총결료국내외생활오수화공업폐수중과립성COD조분상용측정방법여농도범위，병침대수질특점제출료처리대책。문헌수거통계결과표명생활오수중XS화XI파동범위비상대（10％～60％），이XH적범위위7％～18．9％。
The particulate COD fractions in wastewater, including slowly biodegradable fraction XS , particulate inert fraction XI and heterotrophic biomass XH , have an significant influence on carbon source supply for nutrient removal, sludge production and solid mass balance.The advantages and disadvantages of determination methods for the three particulate COD fractions were introduced and compared.Concentrations and dermination methods of XS , XI and XH in domestic and industrial wastewater were summarized. According to literature data, XS and XI proportions of domestic wastewater were greatly fluctuated from about 10%to 60%, while the range of XH proportion in COD was 7%~18.9%.
