JP5947271B2 - 除染システム - Google Patents
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- JP5947271B2 JP5947271B2 JP2013217873A JP2013217873A JP5947271B2 JP 5947271 B2 JP5947271 B2 JP 5947271B2 JP 2013217873 A JP2013217873 A JP 2013217873A JP 2013217873 A JP2013217873 A JP 2013217873A JP 5947271 B2 JP5947271 B2 JP 5947271B2
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
- Activated Sludge Processes (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Description
オゾン分子またはオゾン超微細気泡の生成率に対して強く影響していることは確かであった。ちなみに実施例では、直交磁場条件、軸方向磁場条件ともに、磁気の方向は異なるが、エジェクター12のオリフィス部16中心から液体流路下流方向に15mmの内径の中心位置で、磁力が3650ガウスになるように両条件の磁石および磁気回路を調整して行っている。
この複合した酸化分解反応は、図19のトリチウムβ崩壊促進反応を示すフローチャートにも示す。実施例の事例でも、この一連の作用が、気液混合装置10の中で例えば1/1000秒程の時間内に起こるのである。
これまで記述してきたオゾン以外のガスの効果として酸素の微生物活性向上の効果について提案するものである。
12…エジェクター
14…軸方向磁気発生器
16…オリフィス部
18…吸引ポート
20…ガス供給路
22…上流路
24…下流路
26…磁気シールド材被覆構造
30…オゾン水生成システム
32…気液混合装置群(気液混合ユニット)
40…オゾンガス発生・供給系統
41…大気吸引口
42…オゾンガス発生装置
42A…PSA(酸素濃縮装置)
42B…除湿機
42C…水冷式オゾナイザー
43…圧力計
44…オゾンガス濃度計
45…逆止弁
46…オゾンガス供給管路
50…オゾン水循環・貯留系統
51…脱気タンク
52…貯留タンク
53…循環ポンプ
54…水供給バルブ
55…吐出ポンプ
56…オゾン分解触媒
60…サンプリング系統
61…サンプリングポンプ
62…温度計
63…水質センサー
64…溶存オゾン濃度計
70…除染システム
72…オゾン水生成システム
74A…PSA
74B…オゾン水生成装置
74C…加熱装置(突沸ヒーター)
80…被処理物懸濁システム(1次除染/粗粒汚染物除染)
82…ホッパ
84…ドラム式ウオッシャー(トロンメル構造)
85…攪拌装置
86…スラリータンク(1次除染処理後の懸濁液処理水槽)
88…ロータリーバルブ
90…汚染物質分離システム(2次除染/細粒汚染物除染)
92…加圧式濾過装置(フィルタープレス)
92A…本体濾板
92B…圧搾受濾板
92C…濾布
92D…スラリー注入口
92E…排水口(濾過通過後の処理液の流路)
93……生物処理槽
93F…液送管(膜濾過後の清澄液の流路)
93G…逆洗用バルブ(三方弁)
93H…オゾン水逆洗管(逆洗用オゾン水供給ライン)
94…フィルタープレス用処理原液供給ポンプ
96…フィルタープレス用オゾン水圧入ポンプ
98…凝集装置
99A…ホッパ(1次除染処理後の粗粒物の受取りホッパ)
99B…スクリューコンベア
99C…ストックヤード(1次除染処理後の粗粒物置き場)
100…廃オゾンガス無害化システム
102…廃オゾンガス回収カバー
104…サイクロン気液分離器
106…オゾンガス分解触媒
108…吸入ブロアー
109…フィルター
111…原水流入調整槽
112…第1脱気槽(高濃度酸素排水の供給系統;第1曝気槽との循環)
113…第2脱気槽(高濃度酸素排水の供給系統;第1から第2曝気槽へ移送)
115…汚泥撹拌のための曝気用ブロアー
116…酸素供給装置(酸素水生成装置/軸方向磁場条件)
1000…排水処理設備(標準活性汚泥法)への酸素供給システム
Claims (4)
- 気液混合装置を含むオゾン水生成システムと、放射性汚染物質の懸濁した汚染水を濾過する精密濾過膜を備えた加圧式濾過装置と、を有してなる除染システムであって、
前記気液混合装置は、吸引ポートを備えたオリフィス部、前記吸引ポートに、前記オリフィス部の外側から接続されたガス供給路、前記オリフィス部の上流側及び下流側の上流路及び下流路を備え、流通する液体のオリフィス部通過時に発生する負圧により、前記ガス供給路から前記吸引ポートを経て液体中にガスを吸引して混合させるエジェクターと、前記オリフィス部における流路に、前記液体の流通方向と平行な磁力線の磁場を形成する軸方向磁気発生器と、を有してなり、
前記液体は水であって、前記ガスはオゾンガスであり、前記気液混合装置により生成されたオゾンガス溶存水は動的光散乱方式により計測したとき、水中の気泡が測定限界の下限値未満であって、且つ、溶存オゾンガス濃度が15mg/L以上であり、前記オゾン水生成システムは、前記オゾンガス溶存水を、対象汚染水に混合して汚染物質を除去するようにされ、
前記加圧式濾過装置は、加圧搾液後に、前記精密濾過膜の内側に分離形成された放射性汚染物質で形成されたケーキ層に、次の工程で前記精密濾過膜の内側から、前記オゾン水生成システムにより生成されたオゾンガス溶存水を注入して、該ケーキ層から微粒子状の前記汚染物質を、前記精密濾過膜を通って抽出する構成とされたことを特徴とする除染システム。 - 請求項1において、
前記軸方向磁気発生器は、前記下流路側をN極、前記上流路側をS極とし、前記下流路から前記オリフィス部内を通って前記上流路に向かう磁力線を形成するように極性が設定されていることを特徴とする除染システム。 - 請求項1又は2において、
前記エジェクターにより液体中にガスを混合して生成されたガス溶存液を、繰返し、前記エジェクターに循環してガスを混合させる循環系統を設けたことを特徴とする除染システム。 - 請求項1乃至3のいずれかにおいて、
前記水は、波長が4−14μmの中間赤外線を放射する微量の無機物を添加、又は含有してなることを特徴とする除染システム。
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