JPS6168198A - Waste water treating agent - Google Patents
Waste water treating agentInfo
- Publication number
- JPS6168198A JPS6168198A JP59189971A JP18997184A JPS6168198A JP S6168198 A JPS6168198 A JP S6168198A JP 59189971 A JP59189971 A JP 59189971A JP 18997184 A JP18997184 A JP 18997184A JP S6168198 A JPS6168198 A JP S6168198A
- Authority
- JP
- Japan
- Prior art keywords
- nitrifying bacteria
- ion exchange
- waste water
- treating agent
- water treating
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/108—Immobilising gels, polymers or the like
-
- 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
Abstract
Description
【発明の詳細な説明】
産ｌ上皇肌且立！
本発明は、含水ゲル中に微生物を包括固定してなる廃水
処理剤に関する。[Detailed description of the invention] The Emperor's skin stands tall! The present invention relates to a wastewater treatment agent formed by entrapping and immobilizing microorganisms in a hydrogel.
従未立技血
最近、微生物を固定化して廃水の処理に使用することが
提案され、この方法は、余剰汚泥の発生量が少ないため
、注目されている。微生物の固定化方法としては、樹脂
吸、着法、担体結合法、架橋法、包括法等、種々の方法
が知られているが、代表的なものは、微生物をポリアク
リルアミド、カラギーナン等の含水ゲル中に包括固定す
る方法である。この方法は、従来の砂、活性炭、セラミ
ック等の表面に微生物を付着奎せ７る方法に比べて、微
生物を選択的に高濃度にゲル中に固定することができ、
微生物を効率よく利用できると言われている。Recently, it has been proposed to immobilize microorganisms and use them to treat wastewater, and this method is attracting attention because it generates little surplus sludge. Various methods are known for immobilizing microorganisms, such as resin adsorption and adsorption methods, carrier binding methods, crosslinking methods, and entrapment methods. This is a method of comprehensive fixation in gel. This method can selectively immobilize microorganisms in a gel at a high concentration compared to conventional methods in which microorganisms are attached to the surface of sand, activated carbon, ceramics, etc.
It is said that microorganisms can be used efficiently.
ベ ° しよ゛
しかしながら、従来の包括固定法では、ゲルの分配係数
に限りがあり、°固定する微生物濃度を高めても、すべ
ての微生物を効率よく利用することはできなかった０例
えば、好気性硝化菌を高濃度に固定しても、ゲル中への
アンモニア性窒素含有化合物の供給が不足し、硝化菌と
アンモニア性窒素含有化合物との接触が少ないので、ア
ンモニア窒素を充分に酸化することができなかった。However, in the conventional comprehensive immobilization method, the partition coefficient of the gel is limited, and even if the concentration of immobilized microorganisms is increased, it is not possible to utilize all the microorganisms efficiently. Even if pneumatic nitrifying bacteria are fixed at a high concentration, the supply of ammonia nitrogen-containing compounds into the gel is insufficient, and there is little contact between the nitrifying bacteria and ammonia nitrogen-containing compounds, so it is necessary to sufficiently oxidize ammonia nitrogen. I couldn't do it.
従って、本発明は、前記の従来技術の欠点を解消し、高
濃度に固定した硝化菌を効率よく利用できる固定化硝化
菌からなる廃水処理剤を提供することを目的とする。Therefore, an object of the present invention is to provide a wastewater treatment agent comprising immobilized nitrifying bacteria that can eliminate the drawbacks of the prior art described above and can efficiently utilize nitrifying bacteria immobilized at a high concentration.
占 ゛ るための
本発明は、ゲル中に硝化菌と共に、アンモニア性窒素に
対してイオン交換能を有する物質を包括固定することに
よって、ゲル内のアンモニア窒素の保持能力を高め、前
記の問題点を解決したものである。The present invention improves the ability to retain ammonia nitrogen in the gel by comprehensively immobilizing a substance having ion exchange ability for ammonia nitrogen together with nitrifying bacteria in the gel, thereby solving the above-mentioned problems. This is the solution.
即ち、本発明による廃水処理剤は、含水ゲル中に好気性
硝化菌とアンモニア性窒素に対してイオン交換能を有す
る物質とを包括固定して含むことを特徴とする。That is, the wastewater treatment agent according to the present invention is characterized in that it contains aerobic nitrifying bacteria and a substance having an ion exchange ability for ammonia nitrogen in a hydrogel.
本発明において、アンモニア性窒素に対してイオン交換
能を有する物質としては、ゼオライト、珪藻土、イオン
交換樹脂等を使用することができる。In the present invention, zeolite, diatomaceous earth, ion exchange resin, etc. can be used as the substance having ion exchange ability for ammonia nitrogen.
また、本発明に使用する含水ゲルは、例えば、ポリアク
リルアミド、カラギーナン、寒天、ポリビニルアルコー
ル、アルギン酸ナトリウム等であってよい。Further, the hydrogel used in the present invention may be, for example, polyacrylamide, carrageenan, agar, polyvinyl alcohol, sodium alginate, or the like.
本発明による廃水処理剤は、公知の包括固定法によって
製造され、好気性硝化菌及びイオン交換能を有する物質
をゲル形成物質中にゲル化前に混合することによって製
造される。例えば、ポリアクリルアミドゲル中に包括固
定する場合には、アクリルアミドモノマーと架橋剤との
混合物中に硝化菌及びイオン交換能を有する物質を添加
し、重合触媒等を添加して常法でモノマーを重合させる
ことによって、本発明の廃水処理剤を製造することがで
きる。The wastewater treatment agent according to the present invention is produced by a known entrapment method, and is produced by mixing aerobic nitrifying bacteria and a substance having ion exchange ability into a gel-forming substance before gelation. For example, when entrapping immobilization in a polyacrylamide gel, nitrifying bacteria and a substance with ion exchange ability are added to a mixture of acrylamide monomers and a crosslinking agent, a polymerization catalyst is added, and the monomers are polymerized in a conventional manner. By doing so, the wastewater treatment agent of the present invention can be produced.
立且
本発明において、硝化菌と一緒に包括固定された、アン
モニア性窒素に対してイオン交換能を有する物質は、廃
水中のアンモニア性窒素含有化合物をゲル中に取込み、
これをゲル内に高濃度に保持する。従って、廃水中のア
ンモニア性窒素含有化合物は効率よく硝化菌と接触し、
硝化菌によって硝化されることになる。Furthermore, in the present invention, the substance having ion exchange ability for ammonia nitrogen, which is entrappingly immobilized together with nitrifying bacteria, incorporates ammonia nitrogen-containing compounds in wastewater into the gel,
This is retained at a high concentration within the gel. Therefore, ammonia nitrogen-containing compounds in wastewater efficiently contact nitrifying bacteria,
It will be nitrified by nitrifying bacteria.
マタ、イオン交換体に保持されたアンモニア性窒素含有
化合物は効率よく硝化されるので、イオン交換体は自然
に再生されることになる。Since the ammonia nitrogen-containing compounds retained in the ion exchanger are efficiently nitrified, the ion exchanger is naturally regenerated.
１施■
次に、実施例に基づいて本発明を詳述するが、本発明は
これに限定されるものではない。1. Next, the present invention will be described in detail based on Examples, but the present invention is not limited thereto.
実施例１
アクリルアミドモノマー１８％及びＮ、Ｎ”−メチレン
ビスアクリルアミド１％（架橋剤）を含む水溶液に好気
性微生物である硝化菌５％及びゼオライト粉末２％を添
加し、混合した。これに重合促進剤としてジメチルアミ
ノプロピオニトリル０．２５％及び重合開始剤としてベ
ルオクソニ硫酸カリウム０．５％を添加し、４０℃内外
で重合させた。得られた、硝化菌及びゼオライトを包括
固定して含むポリアクリルアミドゲルを直径３寵、高さ
３ｍの円柱状に成形した。Example 1 To an aqueous solution containing 18% of acrylamide monomer and 1% of N,N''-methylenebisacrylamide (crosslinking agent), 5% of nitrifying bacteria, which is an aerobic microorganism, and 2% of zeolite powder were added and mixed. 0.25% of dimethylaminopropionitrile as an accelerator and 0.5% of potassium belloxonisulfate as a polymerization initiator were added, and polymerization was carried out at around 40°C.The obtained nitrifying bacteria and zeolite were comprehensively fixed and contained. The polyacrylamide gel was molded into a cylinder with a diameter of 3 cm and a height of 3 m.
得られた円柱４にポリアクリルアミドゲルを流動床型曝
気槽（７１）に充填率が２０％になるように充填した後
、その曝気槽にアンモニア性窒素含有化合物を含む擬似
廃水を連続して通水した。結果を下記の表に示す。After filling the obtained cylinder 4 with polyacrylamide gel in a fluidized bed type aeration tank (71) so that the filling rate becomes 20%, simulated wastewater containing an ammonia nitrogen-containing compound is continuously passed through the aeration tank. I watered it. The results are shown in the table below.
更に、比較のため、ゼオライトを使用しない以外は、前
記と全く同様な実験を行い、結果を従来法として下記の
表に示す。Furthermore, for comparison, an experiment was conducted in exactly the same manner as above except that zeolite was not used, and the results are shown in the table below as a conventional method.
この表から明らかなとおり、本発明によれば、従来法に
比べて、アンモニア性窒素の負荷を高くして処理を行う
ことができ、かつゲル内部の微生物量を多くすることが
できる。As is clear from this table, according to the present invention, compared to the conventional method, the treatment can be performed with a higher load of ammonia nitrogen, and the amount of microorganisms inside the gel can be increased.
全１辺量来
本発明によれば、イオン交換体が一緒に包括固定されて
いるので、ゲルへのアンモニア性窒素の保持量を高める
ことができ、これによりゲル中の微生物濃度を増加する
ことができ、高負荷で効率よく廃水を処理できる。According to the present invention, since the ion exchanger is comprehensively fixed together, the amount of ammonia nitrogen retained in the gel can be increased, thereby increasing the microorganism concentration in the gel. It is possible to treat wastewater efficiently under high loads.
また、イオン交換体に保持されたアンモニア性窒素含有
化合物は、微生物と接触して分解されるので、イオン交
換体は自然に再生されることになり、別に再生工程を経
ることなく、繰り返し使用することができる。In addition, the ammonia nitrogen-containing compounds retained in the ion exchanger are decomposed by contact with microorganisms, so the ion exchanger is naturally regenerated and can be used repeatedly without going through a separate regeneration process. be able to.
Claims (3)
対してイオン交換能を有する物質とを包括固定して含む
ことを特徴とする廃水処理剤。(1) A wastewater treatment agent characterized by containing aerobic nitrifying bacteria and a substance having ion exchange ability for ammonia nitrogen in a hydrogel.
物質がゼオライト、珪藻土又はイオン交換樹脂である特
許請求の範囲第１項記載の廃水処理剤。(2) The wastewater treatment agent according to claim 1, wherein the substance having ion exchange ability for ammonia nitrogen is zeolite, diatomaceous earth, or ion exchange resin.
は寒天である特許請求の範囲第１項又は第２項記載の廃
水処理剤。(3) The wastewater treatment agent according to claim 1 or 2, wherein the hydrogel is polyacrylamide, carrageenan, or agar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59189971A JPS6168198A (en) | 1984-09-11 | 1984-09-11 | Waste water treating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59189971A JPS6168198A (en) | 1984-09-11 | 1984-09-11 | Waste water treating agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6168198A true JPS6168198A (en) | 1986-04-08 |
| JPH0351478B2 JPH0351478B2 (en) | 1991-08-06 |
Family
ID=16250244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59189971A Granted JPS6168198A (en) | 1984-09-11 | 1984-09-11 | Waste water treating agent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6168198A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02500729A (en) * | 1987-05-07 | 1990-03-15 | シエーリング アクチエンゲゼルシヤフト | How to purify wastewater |
| JP2009050850A (en) * | 2008-09-24 | 2009-03-12 | Hitachi Plant Technologies Ltd | Inclusion immobilization carrier and production process thereof |
| CN102674561A (en) * | 2012-05-30 | 2012-09-19 | 中国海洋大学 | Preparation method for immobilized spherules for mariculture waste water treatment |
| CN102689983A (en) * | 2011-03-21 | 2012-09-26 | 中国地质大学（北京） | Preparation method of composite material used in underground water nitrogen pollution remediation technology |
| JP2017087184A (en) * | 2015-11-16 | 2017-05-25 | 野村マイクロ・サイエンス株式会社 | Water treatment equipment, ultrapure water production system and water treatment method |
| CN109052666A (en) * | 2018-09-04 | 2018-12-21 | 赵小雷 | A kind of powdered water quality cleansing agent and preparation method thereof for crab cultivation |
| CN109231492A (en) * | 2018-07-30 | 2019-01-18 | 湖南领道农业环保科技有限公司 | A kind of livestock and poultry farm saprobia cleanser and preparation method thereof |
-
1984
- 1984-09-11 JP JP59189971A patent/JPS6168198A/en active Granted
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02500729A (en) * | 1987-05-07 | 1990-03-15 | シエーリング アクチエンゲゼルシヤフト | How to purify wastewater |
| JP2009050850A (en) * | 2008-09-24 | 2009-03-12 | Hitachi Plant Technologies Ltd | Inclusion immobilization carrier and production process thereof |
| CN102689983A (en) * | 2011-03-21 | 2012-09-26 | 中国地质大学（北京） | Preparation method of composite material used in underground water nitrogen pollution remediation technology |
| CN102674561A (en) * | 2012-05-30 | 2012-09-19 | 中国海洋大学 | Preparation method for immobilized spherules for mariculture waste water treatment |
| JP2017087184A (en) * | 2015-11-16 | 2017-05-25 | 野村マイクロ・サイエンス株式会社 | Water treatment equipment, ultrapure water production system and water treatment method |
| WO2017086252A1 (en) * | 2015-11-16 | 2017-05-26 | 野村マイクロ・サイエンス株式会社 | Water treatment device, ultrapure water manufacturing device, and water treatment method |
| CN108349764A (en) * | 2015-11-16 | 2018-07-31 | 野村微科学股份有限公司 | Water treatment facilities, Ultrapure Water Purifiers and method for treating water |
| CN109231492A (en) * | 2018-07-30 | 2019-01-18 | 湖南领道农业环保科技有限公司 | A kind of livestock and poultry farm saprobia cleanser and preparation method thereof |
| CN109052666A (en) * | 2018-09-04 | 2018-12-21 | 赵小雷 | A kind of powdered water quality cleansing agent and preparation method thereof for crab cultivation |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0351478B2 (en) | 1991-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |