成果報告書詳細
管理番号20110000000828
タイトル*平成22年度中間年報 省水型・環境調和型水循環プロジェクト 水資源管理技術研究開発 水資源管理技術の国内外への展開に向けた実証研究 シンガポールにおける産業廃水の再利用向け処理技術に関する実証研究事業「高効率な生物処理と分離膜処理を用いた高濃度CODの工業排水の処理技術実証研究」(H22-H23)
公開日2011/7/28
報告書年度2010 - 2010
委託先名日東電工株式会社
プロジェクト番号P09011
部署名環境部
和文要約和文要約等以下本編抜粋:1. 研究開発の内容及び成果等 (1)事業目的 本プロジェクトは高濃度なCODおよび窒素を含む工業排水から高品位な再生水を得るためMBR膜、RO膜の分離膜技術を軸として、これらに前処理として高効率な生物処理(ゲル担体による嫌気処理および好気処理)を組み合わせて「工業排水からの再生水回収のための高度再生処理システム」を構築することにより、高性能・高機能PVAゲル担体材料、MBR膜、RO膜などの効率的な最適なシステム条件を開発することを目的とする。 平成22年度の全体の設備導入に関しての実施結果としてジュロン排水処理場内に、一次側電源工事及び基礎工事を行って、PVAゲル担体を用いた生物処理システム及び分離膜システムのパイロットテスト設備を設置して試運転を実施した。また、PUBより本パイロットテスト設備を導入するにあたって安全対策のため、本パイロットテスト設備周辺をフォンスで囲うことを指示され追加工事を実施した。
英文要約Demonstrating Research on water treatment technology of high-COD conc.-industrial effluent by using high-efficient bio- and separation membrane process(FY2010)
R&D and Results = (1)Purpose of project: Aim of this project is to develop high performance/functional material of PVA-gel carrier/MBR/RO, etc., for effective appropriate system by MBR-RO as the core technology in order to obtain high quality water reclaimed from industrial effluent containing high COD/total-N compounds. (2)R&D Goal and Result: (a)-1 Total system design of anaerobic/aerobic-reactor/ denitrification with using PVA gel carrier in Bio-process [Results of FY 2010] (i) Basic design of bio-process: @ The design parameters are shown; @ Feed conc.(Max. value from Jurong WRP data in 2010); @ Bio-treated -water conc. (Outlet-water from denitrification system); and @RO feed (Final additional bio -treatment is carried out in MBR tank.) The design conditions were determined by available water quality data. The production capacity of 50m3/d was set. The combined process was employed. All bio-reactor tank employing gel carriers enabled microorganism to accumulate inside. The microorganism dominant will increase ability of decomposition, accordingly enabling to reduce the footprint of the bio-process equipment, and become a robust system against variation of load. (ii)Installation of bio-treatment system: Established the laboratory after primary power source and foundation work, and then laboratory test equipment was installed. As from mid-February, installed reactor tank, plumbing, started electrical work, and all construction was completed in March. (a)-2. Optimization of the gel carrier [Results of FY2010] Anaerobic bacteria having a slower growth rate started up operation. breeding seed gel for gel-carrier in anaerobic tank, adhering bacteria to the surface of gel carriers, the system was operated by not continuous circulation mode without feed, but batch-wise for 3 days. Afterward, bacteria was propagated by continuous feeding circulation during daytime, while only stirring during night time. (b)-1. Design/construction/installation of Proposed total system and MBR/RO system [Results of FY2010] During this year, designed the proposed total system and installed the separation membrane system, the following tests were conducted: Appearance inspection; Piping-flow inspection; Equipment test; Water-leakage check; and Pressure-test etc. Finished connecting the both systems of bio-treatment and membrane separation process.
(b)-2. Confirmation of membrane separation system performance and establishment of operation conditions [Results of FY2010] In FY2010, testing cell and its test equipment for observing RO operating in parallel were designed, and conducted a trial operation in Japan. Afterward, installed at a site in Jurong WRP and 6-pcs-testing cell equipment operated in parallel, with 6 kinds of RO membranes mounted and made it possible to monitor membranes.
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