化工进展
化工進展
화공진전
CHEMICAL INDUSTRY AND ENGINEERING PROGRESS
2015年
7期
2023-2030
,共8页
张小玲%李强%王靖楠%王欣泽%林燕
張小玲%李彊%王靖楠%王訢澤%林燕
장소령%리강%왕정남%왕흔택%림연
废水%硝化%曝气%优化设计%内循环曝气生物滤池
廢水%硝化%曝氣%優化設計%內循環曝氣生物濾池
폐수%초화%폭기%우화설계%내순배폭기생물려지
wastewater%nitrification%aeration%optimal design%internal circulation biological aerated filter
总结了曝气生物滤池的工艺原理、形式和特点以及滤料、进水水质、水力负荷、气水比、反冲洗等因素对滤池运行效果的影响,回顾了国内外对曝气生物滤池去除各类污染物的最新研究进展,阐述了该工艺在废水的固体悬浮物(SS)和有机物去除、硝化除氨、反硝化脱氮等方面所具备的优势,同时指出了传统曝气生物滤池工艺在实际应用中存在的不足之处。本文针对传统滤池在较高的进水有机负荷条件下,其硝化性能受到明显抑制的情况,引入了一种在结构、曝气形式及运行方式上进行优化设计的曝气生物滤池工艺——内循环曝气生物滤池,对其结构组成、运行方式以及工艺特点等作了介绍,并指出内循环曝气生物滤池系统的硝化性能受进水有机负荷的影响明显减小,改良后的工艺对各类污染物的去除效果均得到强化。此外,根据内循环曝气生物滤池的研究现状及自身优点对其在处理高浓度生活污水中的应用作了展望。
總結瞭曝氣生物濾池的工藝原理、形式和特點以及濾料、進水水質、水力負荷、氣水比、反遲洗等因素對濾池運行效果的影響,迴顧瞭國內外對曝氣生物濾池去除各類汙染物的最新研究進展,闡述瞭該工藝在廢水的固體懸浮物(SS)和有機物去除、硝化除氨、反硝化脫氮等方麵所具備的優勢,同時指齣瞭傳統曝氣生物濾池工藝在實際應用中存在的不足之處。本文針對傳統濾池在較高的進水有機負荷條件下,其硝化性能受到明顯抑製的情況,引入瞭一種在結構、曝氣形式及運行方式上進行優化設計的曝氣生物濾池工藝——內循環曝氣生物濾池,對其結構組成、運行方式以及工藝特點等作瞭介紹,併指齣內循環曝氣生物濾池繫統的硝化性能受進水有機負荷的影響明顯減小,改良後的工藝對各類汙染物的去除效果均得到彊化。此外,根據內循環曝氣生物濾池的研究現狀及自身優點對其在處理高濃度生活汙水中的應用作瞭展望。
총결료폭기생물려지적공예원리、형식화특점이급려료、진수수질、수력부하、기수비、반충세등인소대려지운행효과적영향,회고료국내외대폭기생물려지거제각류오염물적최신연구진전,천술료해공예재폐수적고체현부물(SS)화유궤물거제、초화제안、반초화탈담등방면소구비적우세,동시지출료전통폭기생물려지공예재실제응용중존재적불족지처。본문침대전통려지재교고적진수유궤부하조건하,기초화성능수도명현억제적정황,인입료일충재결구、폭기형식급운행방식상진행우화설계적폭기생물려지공예——내순배폭기생물려지,대기결구조성、운행방식이급공예특점등작료개소,병지출내순배폭기생물려지계통적초화성능수진수유궤부하적영향명현감소,개량후적공예대각류오염물적거제효과균득도강화。차외,근거내순배폭기생물려지적연구현상급자신우점대기재처리고농도생활오수중적응용작료전망。
The principle,forms and features of biological aerated filter as well as the influencing factors of filter media,influent quality,hydraulic loading,air-water ratio and backwashing were summarized in this review. The recent research progress of biological aerated filter on the removal of various pollutants was discussed. The advantages of this process in removing SS,organic matter, ammonia and nitrogen of wastewater were described,and the disadvantages of traditional process in practical application were pointed out. This paper also introduced optimal design in structure,aeration form and operation mode of the internal circulation biological aerated filter,which could significantly reduce the nitrification performance inhibition at high organic loading. In addition,application in treatment of high concentration sewage was prospected based on introducing the advantages and research status.