JP6902706B2 - 浄化ユニット及び浄化装置 - Google Patents
浄化ユニット及び浄化装置 Download PDFInfo
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- JP6902706B2 JP6902706B2 JP2018520345A JP2018520345A JP6902706B2 JP 6902706 B2 JP6902706 B2 JP 6902706B2 JP 2018520345 A JP2018520345 A JP 2018520345A JP 2018520345 A JP2018520345 A JP 2018520345A JP 6902706 B2 JP6902706 B2 JP 6902706B2
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- conductor
- purification unit
- wastewater
- carbon
- purification
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- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229960002180 tetracycline Drugs 0.000 description 1
- 229930101283 tetracycline Natural products 0.000 description 1
- 235000019364 tetracycline Nutrition 0.000 description 1
- 150000003522 tetracyclines Chemical class 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
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Description
本実施形態に係る浄化装置100は、図1及び図2に示すように、浄化ユニット1を備えている。そして、浄化ユニット1は、第1の導電体である正極10、第2の導電体である負極20、及び第3の導電体であるイオン移動層30からなる浄化構造体40を備えている。浄化ユニット1では、イオン移動層30の一方の面30aに正極10が接触するように配置されており、イオン移動層30の面30aと反対側の面30bに負極20が接触するように配置されている。そして、正極10のガス拡散層12がイオン移動層30と接触し、撥水層11が気相50側に露出している。
本実施形態に係る第1の導電体である正極10は、図1及び図2に示すように、撥水層11と、撥水層11に接触するように重ねられているガス拡散層12とを備えるガス拡散電極からなる。このような薄板状のガス拡散電極を用いることにより、気相50中の酸素を正極10中の触媒に容易に供給することが可能になる。
本実施形態に係る第2の導電体である負極20は、後述する微生物を担持し、さらに微生物の触媒作用により、廃水90中の有機物及び窒素含有化合物の少なくとも一方から水素イオン及び電子を生成する機能を有する。そのため、本実施形態の負極20は、このような機能を生じさせる構成ならば特に限定されない。
本実施形態の浄化ユニット1は、正極10と負極20との間に設けられ、水素イオン透過性を有し、第3の導電体であるイオン移動層30をさらに備える。そして、図1及び図2に示すように、負極20は、イオン移動層30を介して正極10と隔てられている。さらに、イオン移動層30の一方の面30aに正極10の少なくとも一部が電気的に接続し、イオン移動層30の他方の面30bに負極20の少なくとも一部が電気的に接続している。
・負極20:C6H12O6+6H2O→6CO2+24H++24e−
・正極10:6O2+24H++24e−→12H2O
・負極20:4NH3→2N2+12H++12e−
・正極10:3O2+12H++12e−→6H2O
次に、第二実施形態に係る浄化ユニット及び浄化装置について、図面に基づき詳細に説明する。なお、第一実施形態と同一構成には同一符号を付し、重複する説明は省略する。
次に、第三実施形態に係る浄化ユニット及び浄化装置について、図面に基づき詳細に説明する。なお、第一及び第二実施形態と同一構成には同一符号を付し、重複する説明は省略する。
次に、第四実施形態に係る浄化ユニット及び浄化装置について、図面に基づき詳細に説明する。なお、第一乃至第三実施形態と同一構成には同一符号を付し、重複する説明は省略する。
次に、第五実施形態に係る浄化ユニット及び浄化装置について、図面に基づき詳細に説明する。なお、第一乃至第四実施形態と同一構成には同一符号を付し、重複する説明は省略する。
次に、第六実施形態に係る浄化ユニット及び浄化装置について、図面に基づき詳細に説明する。なお、第一乃至第五実施形態と同一構成には同一符号を付し、重複する説明は省略する。
次に、第七実施形態に係る浄化ユニット及び浄化装置について詳細に説明する。
10,10A,10B,10C,10D,10E 第1の導電体(正極)
20,20A,20B,20C,20D,20E 第2の導電体(負極)
30,30A,30B,30C,30D,30E 第3の導電体(イオン移動層)
50 気相
80 処理槽
90 廃水
100 浄化装置
Claims (3)
- 酸素還元触媒を含み、酸素還元反応が生じる第1の導電体と、
前記第1の導電体と異なり、有機物及び窒素含有化合物の少なくとも一方から水素イオン及び電子を生成する第2の導電体と、
前記第1の導電体及び前記第2の導電体と異なり、前記第1の導電体及び前記第2の導電体よりも高い電気抵抗率を有する第3の導電体と、
を有し、
前記第3の導電体の一方の面に前記第1の導電体の少なくとも一部が電気的に接続し、前記第3の導電体の他方の面に前記第2の導電体の少なくとも一部が電気的に接続し、
前記第1の導電体の少なくとも一部は酸素を含む気相と接触し、前記第2の導電体の少なくとも一部は被処理体と接触し、
前記第2の導電体の表面及び内部の少なくとも一方には、嫌気性微生物が担持されており、
前記第1の導電体と前記第2の導電体との間の電位差を確保するための外部回路を設けない、浄化ユニット。 - 請求項1に記載の浄化ユニットと、
前記浄化ユニットと前記浄化ユニットにより浄化される廃水とを内部に保持するための処理槽と、
を備え、
前記浄化ユニットは、前記第1の導電体の少なくとも一部が前記気相と接触し、かつ、前記第2の導電体の少なくとも一部が前記廃水と接触するように設置される、浄化装置。 - 請求項1又は2に記載の浄化ユニットを備え、
前記浄化ユニットは、前記第1の導電体の少なくとも一部が前記気相と接触し、かつ、前記第2の導電体の少なくとも一部が前記浄化ユニットにより浄化される土壌と接触するように設置される、浄化装置。
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