TW200410910A - A system and method for delivering electron acceptors and /or electron donors to contaminated aquifer - Google Patents
A system and method for delivering electron acceptors and /or electron donors to contaminated aquifer Download PDFInfo
- Publication number
- TW200410910A TW200410910A TW91137257A TW91137257A TW200410910A TW 200410910 A TW200410910 A TW 200410910A TW 91137257 A TW91137257 A TW 91137257A TW 91137257 A TW91137257 A TW 91137257A TW 200410910 A TW200410910 A TW 200410910A
- Authority
- TW
- Taiwan
- Prior art keywords
- electron
- injection
- aquifer
- gas
- supplier
- Prior art date
Links
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
200410910 五、發明說明 【發 石油 的有機污 健康問題 展經濟及 已知 出法等。 物的濃度 來整治受 水。 現地 注在現場 (或)電 受者及( (或)電 (1) 明所屬 碳氫化 染物。 。因為 有效的 的整治 自然降 〇但自 石油碳 生物整 調查, 子供給 或)電 子供給 之技術領域】 合物及有機化合物是地下水及土壤最常見 這些化合物常溶在飲用水源引起嚴重國民 地下水是世界上多地使用的飲用水源發 整治方法是非常重要且有意義的。 方法包括抽出處理,氣提法及土壤氣體抽 解也被證實能降解土壤及地下水有機污染 然降解通常速度緩慢。現地生物整治常用 氫化合物及含氣有機物污染之土壤及地下 治技術大部分的研就發展及現場應用都專 ί種師選鄭丨養,或營養鹽、電子接受者及 者的應用。很少研究發展注意到將電子接 子供給者注入系統之改良及電子接受者及 者在地下與污染物的混合接觸效率之提升200410910 V. Description of invention [Petroleum organic pollution, health problems, economic development, and known methods. Concentration of water to remediate the affected water. Locally pay attention to on-site (or) electricity recipients and / or electricity (1) Hydrocarbon dyes that belong to them. Because of effective remediation, natural reduction will occur. However, since the petroleum carbon bioremediation survey, sub-supply or electronic supply technology Field] Compounds and organic compounds are the most common groundwater and soil. These compounds often dissolve in drinking water sources and cause severe national groundwater. Drinking water source treatment methods used in many parts of the world are very important and meaningful. Methods include extraction treatment, gas stripping and soil gas extraction have also been shown to degrade soil and groundwater organic pollution, although degradation is usually slow. Most of the research and development and field application of soil and underground treatment technologies contaminated by hydrogen compounds and gas-containing organic compounds are commonly used in on-site bioremediation. They are selected by the teacher, or used as a nutrient salt, electronic receiver, and others. Few research developments have noticed improvements in injecting electronic connector suppliers into the system and improving the efficiency of the mixed contact between the electronic receiver and the underground with the pollutants
第6頁 200410910 五、發明說明(2) 有效半徑約3至8米。Ac omb等人(1 995)根據 現場試驗,報告在注氣速率4 5 0 公升/分 穩定流狀 態下,氣提法最大整治半徑約4 · 5米。L u n d e g a r d等人(2 0 0 1 )由現場試驗報告水平注氣井之注氣 有效距離可達1 5米。Page 6 200410910 V. Description of the invention (2) Effective radius is about 3 to 8 meters. According to field tests, Ac Omb et al. (1 995) reported that under the steady flow state of gas injection rate of 450 litres / min, the maximum rectification radius of the gas stripping method was about 4.5 meters. Lun d e g a r d et al. (2001) reported from the field test that the effective gas injection distance of the horizontal gas injection well can reach 15 meters.
Hopkins 及 McCarty (1995)報告 以酚及甲苯為主要基質好氧共代謝三氯乙烯及含氯烯類。 McCa r ty等人(1998)以氧氣及過氧化氫為電 子接受者,甲苯為主要基質整治受三氣乙烯污染之場址。 以上電子接受者及主要基質皆在地表與水混合後由注入井 擠注進入地下含水層。Me C a r t y等人(1 9 9 8) 報告注入井現場操作發現之問題包括注入含水層之電子接 受者及主要基質與污染物未能充分混合;在注入井附近微 生物過度生長造成井篩堵塞。Me C a r t y等人(1 9 9 8 )用脈衝注入方式幫助甲苯更均勻分布在含水層,但 有效爭徑也在1 0米以内。 【發明内容】 習用垂直井或水平井將電子接受者及(或)電子供給 者注入受污染含水層降解有機污染物。以上習用方法有困 難將電子接受者及(或)電子供給者有效分布在含水層中 ,並且大部分侷限在注入井附近。 本發明係提供一種將電子接受者及(或)電子供給者 注入受污染含水層之方法及系統。該方法能將電子接受者 及(或)電子供給者有效均勻分布在含水層中,並且有效Hopkins and McCarty (1995) report aerobic co-metabolization of trichloroethylene and chloroenes with phenol and toluene as the main substrates. McCarty et al. (1998) used oxygen and hydrogen peroxide as the electron acceptors and toluene as the main substrate to rectify the site contaminated with three gas ethylene. The above electron acceptor and main matrix are all injected into the underground aquifer by injection wells after being mixed with water on the surface. MeCarty et al. (1989) reported problems found in the field operation of injection wells, including inadequate mixing of the electron acceptor and main matrix with the pollutants injected into the aquifer; over-growth of microorganisms near the injection well caused blockage of the well screen. Me C a r t y et al. (1 998) used a pulse injection method to help toluene to be more evenly distributed in the aquifer, but the effective path length was also within 10 meters. [Summary of the Invention] Conventional vertical or horizontal wells are used to inject electron receivers and / or electron suppliers into the polluted aquifer to degrade organic pollutants. The above conventional methods have difficulties in effectively distributing electron receivers and / or electron suppliers in the aquifer, and most of them are limited to injection wells. The present invention provides a method and system for injecting an electron acceptor and / or an electron supplier into a contaminated aquifer. The method can effectively and uniformly distribute electron acceptors and / or electron suppliers in an aquifer, and effectively
200410910 五、發明說明(3) 注入半徑大於習用的垂直井或水平井。本發明之注入系統 首先由大口徑之注氣主管出發,再經由注氣主管並聯式分 支出多個小口徑之注氣支管,最後進入含水層。大口徑之 注入系統能將電子接受者及(或)電子供給者在不需過度 壓降下注到遠距離。並聯式注氣支管各配有流量控制裝置 及多孔限流出氣管能有效控制電子接受者及(或)電子供 給者在含水層的分布。200410910 V. Description of the invention (3) The injection radius is larger than the conventional vertical or horizontal well. The injection system of the present invention first starts with a large-diameter gas injection main, and then passes through the gas injection main in parallel to separately distribute a plurality of small-diameter gas injection branch pipes, and finally enters the aquifer. The large-caliber injection system can place electron receivers and / or electron suppliers over long distances without excessive pressure drop. Each of the parallel gas injection branch pipes is equipped with a flow control device and a porous restricted outflow gas pipe, which can effectively control the distribution of the electron receiver and / or the electron supplier in the aquifer.
本發明使用氣動方式將電子接受者及(或)電子供給 者以氣態注入受污染含水層。將電子接受者及(或)電子 供給者以氣態注入可提供其與含水層中微生物及污染物充 分有效之混合。本發明將電子接受者及(或)電子供給者 注入含水層之有效半徑大於習用之垂直井及水平井方法。 另外,本發明將電子接受者及(或)電子供給者以氣態注 入含水層能有效避免習用方法常見在注入井附近微生物堵 塞井篩的問題。 【實施方式】 為使本發明使用之技術手段、發明特徵、達成目的與 功能易於明白了解,以具體實施例配合圖式及圖號詳細說 明如下:The present invention uses a pneumatic method to inject the electron acceptor and / or electron supplier into the contaminated aquifer in a gaseous state. Gaseous injection of the electron acceptor and / or the electron supplier provides a sufficient and effective mixture with the microorganisms and pollutants in the aquifer. The method for injecting the electron receiver and / or the electron supplier into the aquifer has a larger effective radius than the conventional vertical and horizontal well methods. In addition, the present invention injects the electron acceptor and / or the electron supplier into the aquifer in a gaseous state can effectively avoid the problem that the conventional method often blocks the sieve with the microorganisms in the vicinity of the injection well. [Embodiment] In order to make the technical means, inventive features, objectives and functions used in the present invention easy to understand, the specific embodiments and drawings and numbers are described in detail as follows:
第一較佳具體實施例的詳細說明(以空氣為電子接受 者注入含水層的一個例子): 圖一為本發明並聯式空氣注入方法及系統示意圖。注 入空氣(5)首先進入大口徑之注氣主管(1),再由注 氣主管(1 )並聯式分別進入多支小口徑之注氣支管(2Detailed description of the first preferred embodiment (an example of injecting air as an electron receiver into an aquifer): FIG. 1 is a schematic diagram of a parallel air injection method and system according to the present invention. The injection of air (5) first enters the large-diameter gas injection main (1), and then the gas injection main (1) enters multiple small-diameter gas injection branches (2) in parallel.
200410910 五、發明說明(4) );注氣支管 氣管〈3 )。 })並聯式排 氣管(1 1 ) 並聯式空氣注 分佈,該壓力 並聯式空氣注 分佈。由圖三 至少可達2 0 習用之垂直或 注入系統比串 第二較佳 者通過文氏管 (2 ) 本發明 列。另 連接串 入系統 為注 入系統 可見本 米,遠 水平注 聯式更 具體實 攜帶曱 控制裝 (2 ) 各限流 示意圖 串聯式 柱靜壓 串聯式 空氣注 空氣注 四可見 勻注入 說明( 子供給 各配有流量 各注氣支管 外,圖二為 聯式排列之 壓力分佈與 壓力扣除水 流量分佈與 發明並聯式 大於串聯式 入井。由圖 能將空氣均 施例的詳細 苯蒸氣(電 置(4 )及 及各限流出 出氣管(3 。圖三比較 空氣注入系 。圖四比較 空氣注入系 入系統之注 入系統,也 本發明並聯 含水層。 以空氣為電 者)注入含 限流出 氣管( )以注 本發明 統壓力 本發明 統流量 入距離 遠大於 式空氣 子接受 水層的 一個例 圖 入方法 6 ), 入大口 別進入 流量控 層(1 層甲苯 以空氣 態注入 子): 五為本 及系統 將甲苯 徑注氣 小口徑 制裝置 0 ) ° 濃度分 (電子 之方法 發明空氣通過文氏管攜帶甲苯蒸氣並聯式注 示意圖。注入空氣(5)首先進入文氏管( 溶液(7 )氣化,並攜帶甲苯蒸氣(8 )進 主管(1 ),再由注氣主管(1 )並聯式分 之注氣支管(2 );注氣支管(2 )各配有 (4 )及限流出氣管(3 ),最後進入含水 圖六為本發明甲苯蒸汽並聯式注入系統含水 布圖。由圖六甲苯濃度之分布可證實本發明 接受者)攜帶甲苯蒸氣(電子供給者)以氣 能將電子供給者均勻分布在含水層。200410910 V. Description of the invention (4)); Gas injection bronchus and trachea <3). }) Parallel exhaust pipe (1 1) Parallel air jet distribution, the pressure parallel air jet distribution. As shown in Figure 3, the conventional vertical or injection system that can reach at least 20 is better than the string. The second one is through the venturi (2) column of the present invention. The other connected stringing system is the injection system, which can be seen in the meter. The far-level injection-coupled type is more concrete. (2) Each current limit diagram. Series column static pressure series-type air injection. Each is equipped with a flow and a gas injection branch. Figure 2 shows the pressure distribution and pressure minus water flow distribution of the tandem arrangement and the invention of the parallel type is greater than the series type. The figure can detail the detailed benzene vapor of the air (electrical ( 4) and each of the outflow-limiting outlet pipes (3. Figure 3 compares the air injection system. Figure 4 compares the injection system of the air injection system and the aquifer of the invention in parallel. The air is used for electricity) to inject the limited-outflow air pipe ( ) An example of the method for injecting water into the water layer of the invention is shown in FIG. 6). The method of entering the flow control layer (1 layer of toluene is injected into the air in a gas state) is as follows: The system and the system for toluene injection of small-diameter gas injection device 0) ° concentration points (electronic method invention air to carry toluene through a Venturi tube to steam Schematic diagram of parallel injection. The injection of air (5) first enters the Venturi tube (solution (7)) to vaporize, and carries toluene vapor (8) into the main pipe (1), and then the gas injection pipe (1) is used for parallel sub-gas injection. The branch pipe (2); the gas injection branch pipes (2) are each equipped with (4) and the outflow-limiting gas pipe (3), and finally enter the water content. Figure 6 is a water distribution map of the toluene steam parallel injection system of the present invention. It can be confirmed that the recipient of the present invention) carries toluene vapor (electron supplier) to distribute the electron supplier uniformly in the aquifer with gas energy.
200410910 五、發明說明(5) 綜上所述,本發明實施例確能達到所預期之使用功效 ,又其所揭露之具體構造,不僅未曾見於同類產品中,亦 未曾公開於申請前,誠已完全符合專利法之規定與要求, 爰依法提出發明專利之申請,懇請惠予審查,並賜准專利 ,則實感德便。200410910 V. Description of the invention (5) In summary, the embodiments of the present invention can indeed achieve the expected use effect, and the specific structure disclosed is not only not seen in similar products, nor has it been disclosed before the application. It fully complies with the provisions and requirements of the Patent Law, and submits an application for an invention patent in accordance with the law.
200410910200410910
圊式簡單說明 圖 式 簡 單 說 明 ] 圖 一 本 發 明 並 聯 式 空 氣 注 入 方 法 及 系 統 示 意 圖 圖 _ 丨 串 聯 式 式 空 氣 注 入 方 法 及 系 統 示 意 圖 圖 三 本 發 明 並 聯 式 空 氣 注 入 系 統 壓 力 分 佈 與 串 聯 式 空 氣 注 入 系 統 壓 力 分 佈 之 比 較 圖 圖 四 本 發 明 並 聯 式 空 氣 注 入 系 統 流 量 分 佈 與 串 聯 式 空 氣 注 入 系 統 流 量 分 佈 之 比 較 圖 圖 五 本 發 明 空 氣 通 過 文 氏 管 攜 帶 甲 苯 蒸 氣 並 聯 式 注 入 方 法 及 系 統 示 意 圖 圖 六 本 發 明 甲 苯 蒸 汽 並 聯 式 注 入 系 統 含 水 層 甲 苯 濃 度 分 布 圖 參 圖 號 號 1 ) 注 氣 主 管 ( 2 ) 注 氣 支 管 3 ) 限 流 出 氣 管 ( 4 ) 流 量 控 制 裝 置 5 ) 空 氣 ( 6 ) 文 氏 管 7 ) 甲 苯 溶 液 ( 8 ) 甲 苯 蒸 氣 9 ) 未 飽 和 層 ( 1 0 ) 含 水 層 1 1 ) 注 氣 管 第11頁简单 style simple illustration diagram brief description] Figure 1 Schematic diagram of parallel air injection method and system of the present invention 丨 丨 Serial type air injection method and system schematic diagram Comparison diagram of pressure distribution Figure 4 Comparison of flow distribution of parallel air injection system of the present invention and flow distribution of series air injection system of the present invention Figure 5 Schematic diagram of parallel injection method and system of toluene vapor carried by air through venturi in the present invention Figure 6 of the present invention Toluene concentration distribution diagram of toluene vapor in parallel injection system in water layer, please refer to Figure No. 1) Gas injection main pipe (2) Gas injection branch pipe 3) Outflow limiting gas pipe (4) Flow control device 5) Air (6) 7) Toluene solution (8) Toluene vapor 9) Unsaturated layer (1 0) Water-containing layer 1 1) Gas injection tube page 11
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW91137257A TWI252841B (en) | 2002-12-25 | 2002-12-25 | A system and method for delivering electron acceptors and/or electron donors to contaminated aquifer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW91137257A TWI252841B (en) | 2002-12-25 | 2002-12-25 | A system and method for delivering electron acceptors and/or electron donors to contaminated aquifer |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200410910A true TW200410910A (en) | 2004-07-01 |
TWI252841B TWI252841B (en) | 2006-04-11 |
Family
ID=37564908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW91137257A TWI252841B (en) | 2002-12-25 | 2002-12-25 | A system and method for delivering electron acceptors and/or electron donors to contaminated aquifer |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI252841B (en) |
-
2002
- 2002-12-25 TW TW91137257A patent/TWI252841B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TWI252841B (en) | 2006-04-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7682815B2 (en) | Bioelectrolytical methanogenic/methanotrophic coupling for bioremediation of ground water | |
CN102583712B (en) | Method and system by using micro-nano bubbles to perform reinforcement in-situ remediation on polluted ground water | |
US7645384B2 (en) | Environmental remediation method using ozonophilic bacteria within a liquid coating of bubbles | |
CN107952789A (en) | Thermal desorption system, thermal desorption-oxidation repair system in situ and restorative procedure in situ | |
CN105347519A (en) | A nanobubble generator and applications thereof | |
US20150041392A1 (en) | Method and system using micro/nano bubbles for enhanced in situ remediation of polluted groundwater | |
CN109867347B (en) | Ozone micro-nano bubble underground water ammonia nitrogen pollution in-situ remediation system and method | |
JP2015511879A (en) | Method and system for repairing groundwater with micro / nano bubbles in situ | |
CN207537220U (en) | A kind of soil sanitation slot for domestic sewage in rural areas separated practices | |
CN105417769A (en) | Laboratory carbon tetrachloride separation treatment system and treatment process thereof | |
CN104724818A (en) | Carbon tetrachloride separation system and process | |
CN110314930B (en) | Petroleum contaminated soil vapor extraction and biological pile combined repair system | |
CN213763431U (en) | Pollute good oxygen biological repair system of soil normal position | |
US6517288B2 (en) | Direct oxygen injection groundwater remediation method and system | |
TW200410910A (en) | A system and method for delivering electron acceptors and /or electron donors to contaminated aquifer | |
CN106830579A (en) | For volatile organic contaminant repair system and method in underground water | |
CN218403863U (en) | Groundwater synthesizes repair system based on under hydraulic control condition | |
CN116143301A (en) | Groundwater pollution source control system based on interception and adsorption | |
CN101734762B (en) | Method for restoring groundwater polluted by reducing substances | |
CN214004164U (en) | Organic pollution groundwater normal position treatment facility | |
KR102374094B1 (en) | Method for promoting natural attenuation of polluted underground water | |
CN210333750U (en) | Petroleum-contaminated soil vapor extraction and biological pile combined repairing system | |
CN204529354U (en) | A kind of separation system of vinylidene chloride | |
CN217535617U (en) | Microorganism normal position groundwater remediation device | |
CN206334958U (en) | A kind of injecting systems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |