English  |  正體中文  |  简体中文  |  Items with full text/Total items : 17744/20032 (89%)
Visitors : 7274710      Online Users : 326
RC Version 7.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Tips:
  • please add "double quotation mark" for query phrases to get precise results
  • please goto advance search for comprehansive author search
  • Adv. Search
    HomeLoginUploadHelpAboutAdminister Goto mobile version
    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/6179

    標題: 利用循序批分式薄膜生物反應槽(SBMBR)
    The study of applying sequencing batch membrane bioreactor (SBMBR)system for aquaculture recycling water quality improvement
    作者: 林春宗
    Chun-Tsung Lin
    貢獻者: 張錦松
    關鍵字: 循序批分式薄膜生物反應槽
    Sequencing batch membrane bioreactor (SBMBR)
    日期: 2005
    上傳時間: 2008-10-31 16:16:03 (UTC+8)
    摘要: 本研究係利用循序批分式結合薄膜生物反應槽SBMBR (Sequencing Batch Membrane Bioreactor,SBMBR),針對目前國內室外養殖水進行處理,在固定污泥停留時間(Sludge Retention Time,SRT)20天和水力停留時間(Hydraulic Retention Time,HRT)6.8小時,而改變操作模式。評估本系統在本土環境條件下之去除效果,以及探討處理過程中反應槽微生物濃度變化和出流水質變化的情形。
    This research is to study the performance of Sequencing Batch Membrane Bioreactor (SBMBR) for the improvement of outdoor aquaculture recycling water quality. Sludge retention time (SRT) and hydraulic retention time (HRT) were set at 20 days and 6.8 hours respectively. Two different operation modes were adopted to assess the treatment performance of the system, including the water quality of effluent and the concentration of activated sludge.
    The results of this experiment showed that the MLSS concentration is 1564mg/L and 1892mg/L in run 1 and run 2. No ss is detected in the effluent. As for run 1 the removal efficiency of COD、BOD5 and Trubidity were 74%、77% and 97% respectively.
    The resultes showed that the recycling water quality can be improved by different operation mode. After shifting the time interval of aerobic-settling-anaerobic operation, the removals of COD、BOD5 and Trubidity were 87%、84% and 98% respectively. These values met the aquaculture reuse standards of E. P. A., R. O. C.
    The F/M ratio and the volumetric loading of this study were lower than these values of traditional AS treatment system. AS for run l and run 2 were 0.15kgBOD5/kgMLVSS-day、0.16kgBOD5/kgMLVSS-day、0.11kgBOD5/m3-day and 0.24kgBOD5/m3-day respectively.
    For mass balance of nitrogen, the NH4+-N and Org.-N were 19 and 15% reduce. But both the NO2--N and NO3—N were 3% increase. Comparatively, the NH4+-N、NO2--N and NO3--N concentration of the effluent in run 1 were not removal completely. So the nitrification and the denitrification were far from ideal. However almost completely in run 2, the NH4+-N、Org.-N、NO2--N and NO3--N were 16.5、52、6.9and 0.5% reduce respectively.
    The quality of aquaculture recycling water treated by SBMBR is acceptable. The bioreactor is recommended for water reuse in aquaculture.
    關聯: 校內外完全公開
    Appears in Collections:[環境工程與科學系(所)] 博碩士論文

    Files in This Item:

    File Description SizeFormat

    All items in CNU IR are protected by copyright, with all rights reserved.

    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback