JP5237403B2 - 微生物、並びに、界面活性剤含有廃水の処理方法 - Google Patents
微生物、並びに、界面活性剤含有廃水の処理方法 Download PDFInfo
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- JP5237403B2 JP5237403B2 JP2011030738A JP2011030738A JP5237403B2 JP 5237403 B2 JP5237403 B2 JP 5237403B2 JP 2011030738 A JP2011030738 A JP 2011030738A JP 2011030738 A JP2011030738 A JP 2011030738A JP 5237403 B2 JP5237403 B2 JP 5237403B2
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- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Description
表示:Cupriavidus taiwanensis KR-20R株
受託番号:FERM P−22013
受領日:平成22年9月15日
表示:Cupriavidus necator KR-26R株
受託番号:FERM P−22014
受領日:平成22年9月15日
表示:Pseudomonas nitroreducens KR-33R株
受託番号:FERM P−22015
受領日:平成22年9月15日
表示:Ralstonia pickettii KR-35R株
受託番号:FERM P−22016
受領日:平成22年9月15日
表示:Ralstonia eutropha KR-41R株
受託番号:FERM P−22017
受領日:平成22年9月15日
表示:Ralstonia eutropha KR-43R株
受託番号:FERM P−22018
受領日:平成22年9月15日
・嫌気条件下での生育:−
・42℃での生育:+
・リパーゼ活性(Tween 80):+
・嫌気条件下での生育:−
・2%NaCl条件下での生育:+
・3%NaCl条件下での生育:−
・嫌気条件下での生育:−
・でんぷんの加水分解:−
・King's B寒天で蛍光色素の産生:−
・嫌気条件下での生育:−
・でんぷんの加水分解:−
・リパーゼ活性(Tween 80):+
・嫌気条件下での生育:−
・Lactateの資化性:+
・Glutamateの資化性:+
・嫌気条件下での生育:−
・Lactateの資化性:+
・Glutamateの資化性:+
自然界の様々な環境から採取した土壌を新規微生物の分離源とした。0.5gの土壌サンプルを5mLの滅菌生理食塩水に懸濁し、60分間静置した。懸濁液の上清100μLを、表4に示す組成の界面活性剤含有培地5mLに接種し、30℃、100rpmで振とう培養した。5回の植え継ぎの後、SDSが分解されたサンプルを複数選択した。これらの集積培養液から、寒天培地を用いて界面活性剤分解微生物を純粋分離した。
表6に示す栄養培地100mLを300mL容三角フラスコに仕込み、オートクレーブで滅菌した。各微生物のグリセロールストック1mLを植菌し、回転振とう培養機にて培養を開始した(200rpm、30℃)。36〜48時間培養後、遠心分離にて各微生物の培養菌体を集めた。生理食塩水で菌体を洗浄後、生理食塩水にて10mLにメスアップし、菌体濃縮液を得た。
界面活性剤含有培地として表6に示す界面活性剤含有培地の「培地B」を用いる以外は上記(2)と同様にして、実験を行った。培養液のサンプリングは、培養開始から0時間、8時間、12時間、16時間、20時間、24時間、および48時間目とした。結果を表8及び図2に示す。各微生物について、TOC濃度が急激に減少した時間(KR−20R株及びKR−26Rは24〜48時間、KR−33R株は0〜8時間、KR−35R株は16〜20時間、KR−41R株及びKR−43Rは12〜16時間)におけるSDS分解速度を算出した。表8に示すように、いずれの微生物においても、0.3(g−TOC/g−MLSS・day)以上のSDS分解速度を達成しているが、特にKR−33R株、KR−35R株、KR−41R株、KR−43R株については1.2(g−TOC/g−MLSS・day)以上の高いSDS分解速度を達成しており、各微生物が高いSDS分解能力を有していることが示された。
活性汚泥法によるSDS分解速度評価
Claims (2)
- Cupriavidus taiwanensis KR-20R株(FERM P−22013)である微生物。
- 請求項1に記載の微生物とラウリル硫酸ナトリウムを含有する廃水とを接触させて、廃水中のラウリル硫酸ナトリウムを分解する界面活性剤含有廃水の処理方法。
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JP6898126B2 (ja) * | 2017-03-28 | 2021-07-07 | 住友重機械エンバイロメント株式会社 | 水処理装置 |
CN114958697B (zh) * | 2022-07-19 | 2023-03-24 | 广东省科学院动物研究所 | 一种耐受重金属的罗尔斯顿菌及其应用 |
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