JP2017518176A - 水を処理するためのシステム - Google Patents
水を処理するためのシステム Download PDFInfo
- Publication number
- JP2017518176A JP2017518176A JP2016570292A JP2016570292A JP2017518176A JP 2017518176 A JP2017518176 A JP 2017518176A JP 2016570292 A JP2016570292 A JP 2016570292A JP 2016570292 A JP2016570292 A JP 2016570292A JP 2017518176 A JP2017518176 A JP 2017518176A
- Authority
- JP
- Japan
- Prior art keywords
- water
- filtration
- wastewater
- membrane
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 369
- 239000012528 membrane Substances 0.000 claims abstract description 148
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- 238000000108 ultra-filtration Methods 0.000 claims abstract description 30
- 238000001471 micro-filtration Methods 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 147
- 239000002351 wastewater Substances 0.000 claims description 123
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 130
- 230000008569 process Effects 0.000 description 107
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 16
- 229910052801 chlorine Inorganic materials 0.000 description 16
- 239000012466 permeate Substances 0.000 description 16
- 238000011084 recovery Methods 0.000 description 15
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
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- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
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- QDHHCQZDFGDHMP-UHFFFAOYSA-N Chloramine Chemical compound ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 101150036282 Pfdn2 gene Proteins 0.000 description 1
- 102100024920 Prefoldin subunit 2 Human genes 0.000 description 1
- 101100243555 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GIM4 gene Proteins 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/04—Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/147—Microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/26—Further operations combined with membrane separation processes
- B01D2311/2649—Filtration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/005—Black water originating from toilets
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
- C02F2103/325—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from processes relating to the production of wine products
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
- C02F2103/327—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from processes relating to the production of dairy products
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/44—Nature of the water, waste water, sewage or sludge to be treated from vehicle washing facilities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/04—Oxidation reduction potential [ORP]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
Description
本出願は、2014年5月30日に出願された、「Systems for Treating Wastewater」と題する米国仮特許出願第62/005,846号の出願の優先権および利益を主張する。この出願の明細書、図面、および特許請求の範囲は、参照することにより、本明細書に組み込まれる。
本明細書および特許請求の範囲において使用される場合、以下の用語は以下のように定義される。
本発明の実施形態には、再使用用途のための任意の用途からの廃水を処理するためのプラットフォーム処理システムが含まれる。このシステムはオプションで以下のシステム:洗濯廃水再利用のための膜ベースの洗浄水再利用システム、洗車の廃水の再利用システム、ワインの水の再利用システム、ビールの廃水の再利用システム、日常の水の再利用システム、部品の洗浄システム;生物学的消化の廃水、冷却およびボイラのための膜ベースの廃水の再利用システム;部品、タンク、車、衣類などの洗浄からの廃水の膜ベースの再利用システムの内の1つを備えるか、または、オプションで廃棄物がさらに処理され、かつ/または他の用途に使用される、再生、濾過、および再使用を含む水の再利用のためのシステムおよびプロセスを備える。このシステムは、好ましくは、3つのサブシステム:再生サブシステムと、濾過サブシステムと、戻しサブシステムと、を備えている。再生サブシステムは、廃水が濾過サブシステムおよび戻しサブシステムに入ることを防止する。廃水が濾過サブシステムおよび戻しサブシステムに入ると、(i)それらシステムが適切に作動することが妨げられ得、(ii)それらシステムに損傷を与え得、(iii)それらシステムによって処理されないか処理され得ず、または、(iv)再使用から処理されることが法律上認められない。処理することができない廃水の例には、酸化電位が500mV超である廃水、2ppm超である遊離塩素を含む廃水、直径が1”より大きい粒子を含む廃水、または、シャツの襟の芯、ボタン、および/もしくはハンガを含む廃水が含まれる。廃水の処理の困難性には、華氏105度を超える廃水、または、汚水発生源(動物の廃棄物を含む)からの廃水が含まれる。汚水の例には、トイレ、シンク、およびキッチンからの下水(sewage)が含まれる。洗濯廃水の処理に関して、このことは好ましくは、4つの構成要素を使用して達成される。第1の1つまたは複数のタンクが洗濯機の排水管の下に配置される。タンクは好ましくは、別のタンク、または排水管のいずれかに排水する。複数のタンクが共に繋がっている場合、最も下のタンクが好ましくは、排水管を有するように備えている。ポンプは好ましくは、タンクまたは(複数のタンクが共に繋がっている場合には)複数のタンクの最も低い場所に配置される。ポンプは、限定されないが、排水ポンプ、放流ポンプ、下水ポンプ、または井戸ポンプとすることができる。ポンプは、メッシュ、ストレーナ、および/またはフィルタスクリーンにより、ブラジャのワイヤ、ボタン、襟の芯などの大きい物体から保護され得る。保護バリアのための開口のサイズは、好ましくは、0.04インチ(1.016mm)より大きく、かつ、2インチ(50.8mm)未満である。ポンプは、廃水の品質を測定する1つまたは複数のプローブに繋がれ得る。プローブは、水の伝導度、濁度、イオン濃度、酸化電位、濁度、および/または他のパラメータを継続的に測定することができる。代替的には、廃水は、システムの作動要求を満たすように処理され得る。例では、二亜硫酸ナトリウム(メタ重亜硫酸ナトリウム)などの酸化防止剤を投入することにより、酸化電位が500mV未満に低減され、熱交換器を使用して温度が低減され、(バクテリアおよびウイルスなどの)生物学剤が2つのステップの酸化および酸化中和プロセスを介して中和され得る。本発明では、伝導度が濁度の間接的測定として使用され得ることを示す、濁度と電気伝導度との相関関係を示す。
●再生タンクの排水
●膜のフラッシュ(洗い流し、水洗;flush)/バックフラッシュ(backflush)/バックウォッシュ(backwash)
●洗剤の補充および水の浄化
○54”の要素/18”の要素毎に15ガロン
●洗剤水を3から20分間再循環させる
○オプションの加熱
○洗浄の効果が再循環圧力を介して間接的に測定される
●バルブを開くことによるタンクの排水
●1xから3xの洗浄体積の膜のフラッシュ
○バックフラッシュ(濾過とは逆向きに水が流れるが膜を通過しない)を介して達成できる
●バックフラッシュまたはバックウォッシュ
○バックフラッシュ(定義(def))−濾過とは逆向きに水が流れるが膜を通過しない
○バックウォッシュ(定義(def))−濾過とは逆向きに水が流れ、膜を通過する
●洗濯のためのクレンザ(洗浄剤)には、以下が含まれる。
○UF膜のためのTideなどの、商業上利用可能な洗剤
○RO膜のためのCLRなどの、商業上利用可能なスケール防止剤(antiscalant)
本発明の実施形態は、システム内の膜が少なくとも部分的にゾルゲル材料を含む、1つまたは複数の膜の濾過ステップを含む、水の処理に使用されるシステムである。水の処理のために、本システムは、好ましくは、前処理ステップと脱塩ステップとの2つのステップを含む。前処理ステップは、好ましくは、固形物と、濁度の80%超が除去される。脱塩ステップにより、塩度の50%超が除去される。いずれか一方または両方の膜がゾルゲル前駆物質から得られ、好ましくは、安定化した界面活性剤を含み、および/または、安定化された界面活性剤のメソ構造または膜である。フィルタとして使用され、好ましくはゾルゲル、界面活性剤、またはそれら両方を備えているこれら膜は、本明細書において、AM、すなわち改良された膜(advanced membranes)と呼ばれる。回復の割合は、流入水に対する処理された水の割合である。以下の表は、以下のプロセスのフロー図(PFD)における各要素のためのシンボルキーであり、これらは、本発明に係るPFDの特定の非限定的な実施形態である。
図15から16は、PFDがPFD2に類似しているシステムからの濾過データを示す図である。このシステムは、2つの膜M1およびM2を備えていた。このシステムはM3またはO1を含んでいなかった。M1はAMとした。M2はAMではないものとした。水質は、伝導度メータを使用して毎日測定した。流入する廃水は、商業上利用可能な55ポンドの洗濯機からのものとした。M1ステップの後の水質は、電気伝導度および濁度の測定を使用して定量化した。濾過の前後の水質の差異は、表8にまとめられている。
Claims (5)
- 逆浸透要素の上流に1つまたは複数の濾過膜を備えている、廃水を処理するためのシステム。
- 前記濾過膜の1つが、精密濾過膜である、請求項1に記載のシステム。
- 前記濾過膜の1つが、限外濾過膜である、請求項1に記載のシステム。
- 前記逆浸透要素の下流に、媒体フィルタをさらに備えている、請求項1に記載のシステム。
- 前記媒体フィルタが、もっぱら濁度を低減するために使用される、請求項4に記載のシステム。
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JP2013240762A (ja) * | 2012-05-22 | 2013-12-05 | Hitachi Ltd | 逆浸透膜ろ過システム |
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WO2015184471A2 (en) | 2015-12-03 |
WO2015184471A3 (en) | 2017-05-04 |
JP2021073092A (ja) | 2021-05-13 |
JP6832710B2 (ja) | 2021-02-24 |
IL249295A0 (en) | 2017-02-28 |
EP3148940A2 (en) | 2017-04-05 |
EP3148940A4 (en) | 2018-04-18 |
CA2987016A1 (en) | 2015-12-03 |
US20170121200A1 (en) | 2017-05-04 |
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