JPS5834088A - Method of suppressing generation of filter bed fly in trickling filter process - Google Patents
Method of suppressing generation of filter bed fly in trickling filter processInfo
- Publication number
- JPS5834088A JPS5834088A JP56130151A JP13015181A JPS5834088A JP S5834088 A JPS5834088 A JP S5834088A JP 56130151 A JP56130151 A JP 56130151A JP 13015181 A JP13015181 A JP 13015181A JP S5834088 A JPS5834088 A JP S5834088A
- Authority
- JP
- Japan
- Prior art keywords
- filter bed
- flies
- trickling
- sludge
- filter
- 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
- 238000000034 method Methods 0.000 title description 17
- 239000010802 sludge Substances 0.000 abstract description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 9
- 239000002351 wastewater Substances 0.000 abstract description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 5
- 239000012670 alkaline solution Substances 0.000 abstract description 5
- 235000011121 sodium hydroxide Nutrition 0.000 abstract description 3
- 239000000243 solution Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract description 2
- 239000000920 calcium hydroxide Substances 0.000 abstract description 2
- 235000011116 calcium hydroxide Nutrition 0.000 abstract description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract description 2
- 235000017550 sodium carbonate Nutrition 0.000 abstract description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract description 2
- 239000010815 organic waste Substances 0.000 abstract 2
- 238000000746 purification Methods 0.000 abstract 2
- 238000004299 exfoliation Methods 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 3
- 235000013601 eggs Nutrition 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- Biological Treatment Of Waste Water (AREA)
Abstract
Description
【発明の詳細な説明】
の発生防止法に係シ〜更に詳細には〜有機性排水を散水
ろ床法で処理する方法に於いて１処理途中運転を中止し
てアルカリ性溶液をろ床に接触させることにより・〜ろ
床バエの発生を抑止する方法に関する。[Detailed Description of the Invention] Concerning a method for preventing the occurrence of - More specifically - In a method for treating organic wastewater using a trickling filter method, operation is stopped midway through one treatment and an alkaline solution is brought into contact with the filter bed. This invention relates to a method for suppressing the occurrence of filter bed flies by...
現在１一般的に実施されている工場排水および生活排水
等の有機性排水の生物処理方法は、活性汚泥法と散水ろ
床法に代表されるが１活性汚泥法は複雑微妙な維持管理
および生成汚泥の処理，等で不都合な点も多い。それに
対１，て〜散水ろＦＩＦ．法は運転操作が楽でしかも充
てん材等の開発で処理効率も向上したためへ近年盛んに
利用されている。Currently, the biological treatment methods for organic wastewater such as industrial wastewater and domestic wastewater that are commonly practiced are represented by the activated sludge method and the trickling filter method. There are many inconveniences such as sludge treatment. On the other hand, 1, water sprinkler FIF. This method has been widely used in recent years because it is easy to operate and the processing efficiency has improved due to the development of filling materials.
この散水ろ床法も好気性処理であるために〜微生物の生
活環境を常に好気性状態に維持することが不可決である
が１好気性雰囲気を長時間維持することは困難でｔ好気
性雰囲気が崩れると処理効率の低下は当然力がらＮろ床
バエや悪臭が発生し１作業の遅滞だけで力く作業環境お
よび社会環境へ悪影響をもたらす結果となる。散水ろ床
には高速散水ろ床と標準散水ろ床とがあり１特に高速散
水ろ床の場合には一処理効率の低下を防ぐため１一般的
には１処理される排水の温度を８０−４０’Ｃに高めて
いるため年間を通してろ床バエが発生している。ろ床バ
エの発生は島前記のように微生物の生活環境が好気性状
態に維持されているかどうがと密接な関係にあるが１そ
の他複雑な要因も作用しておりいままで１その解決方法
は見出されていない。本発明者等は散水ろ床法における
ろ床バエの発生抑止について鋭意研究なＳねだ結千１本
発明ｔ［完成した。Since this trickling filter method is also an aerobic treatment, it is essential to maintain the living environment of microorganisms in an aerobic state at all times, but it is difficult to maintain an aerobic atmosphere for a long time. If this is disrupted, processing efficiency will naturally decrease, and N filter bed flies and bad odors will occur, resulting in a single delay in work having a negative impact on the work environment and social environment. There are two types of trickling filters: high-speed trickling filters and standard trickling filters.1 In the case of high-speed trickling filters in particular, in order to prevent a decrease in treatment efficiency,1 generally, the temperature of the wastewater to be treated is set at 80-80°C. Because the temperature is raised to 40'C, filter flies occur throughout the year. As mentioned above, the occurrence of filter bed flies is closely related to whether the living environment of microorganisms is maintained in an aerobic state, but there are also other complicated factors at play, and until now there are no solutions to this problem. Not discovered. The present inventors have conducted extensive research on suppressing the generation of filter flies in the trickling filter method and have completed the present invention.
すなわち１本発明は有機性排水を散水ろ床法で処理する
方法に於いて、継続的に排水の処理を中止し１その際に
アルカリ性溶液を散水ろ床に接触させることを特徴上す
るろ床バエの発生抑止法である。That is, 1. The present invention provides a method for treating organic wastewater using a trickling filter method, characterized in that the treatment of the wastewater is continuously stopped, and 1. at that time, an alkaline solution is brought into contact with the trickling filter bed. This is a method to prevent the occurrence of flies.
本発明は機構的には１散水ろ床ろ材モジュール表面上の
汚泥をアルカリ性溶液で洗浄することにより１汚泥中の
る床バエの卵〜幼虫およびさなぎが１汚泥表面のはく離
に伴って除去され〜４床バエの発生が抑止されるもので
ある。Mechanistically, the present invention is characterized in that by washing the sludge on the surface of a trickling filter module with an alkaline solution, the eggs, larvae, and pupae of floor flies in the sludge are removed as the sludge surface peels off. This will prevent the occurrence of bed flies.
本発明で使用するアルカリは１力性ソーダー消石灰島ソ
ーダ灰等一般的なものが使用出来駕それらをＰＨ９〜１
４−好ましくはＰＨ１０〜１３に調整い１時間前後循環
する。本発明を実施すると、とにより−汚泥表面がはく
離するために処理効率は約加％低下するが−Ｕ時間後に
は正常に回復する。The alkali used in the present invention can be commonly used such as monobasic soda and slaked lime soda ash.
4- Preferably adjust the pH to 10-13 and circulate for about 1 hour. When the present invention is carried out, the treatment efficiency decreases by about an additional % due to the peeling of the sludge surface, but it returns to normal after U hours.
本発明の処理を−たん行うと１相当の期間１ろ床バエの
発生は見られない。その期間については排水の組成１気
候等によって一律には決まってはいないが〜約４０日間
はる床バエの発生は見られない。When the treatment of the present invention is carried out immediately, no generation of filter bed flies is observed for a considerable period of time. The period of time is not uniformly determined depending on the composition of the wastewater, climate, etc., but no occurrence of Haruka floor flies is observed for about 40 days.
本発明方法によれば〜ろ床バエを卵１幼虫１さなぎの状
態のうちに汚泥表面から除去するために１ろ床バエの発
生が抑止出来１作業環境が極めて＼
改善され１又ち処理効率も極めて短時間に回復させるこ
とが出来るため１本発明は産業上層極めて有利である。According to the method of the present invention, since the filter flies are removed from the sludge surface while they are still in the state of eggs, larvae, and pupae, the generation of filter flies can be suppressed, the working environment is greatly improved, and the treatment efficiency is improved. The present invention is extremely advantageous for the industrial sector because it can also be recovered in a very short time.
嘉 以下に実例で具体的に説明する。Ka This will be specifically explained below using an example.
実施例１
食品加工業の排水をプラスチック製ろ材（比表面積ｅ１
ｍ”７ｍ” ）を用いた高速散水ろ床法により処理して
いたが−ろ床バエの発生が激しかった。Example 1 Wastewater from the food processing industry was filtered using plastic filter media (specific surface area e1
The treatment was carried out using a high-speed trickling filter method using a filter (m"7m"), but the occurrence of filter bed flies was severe.
そこで九排水の供給を中止し５ｐａｔｏ に調整したか
性ソーダの溶液を散水ろ床に７時間循環させたところ九
汚泥の一部がはく離した。その後１運転を再開したが１
０００間にわたってろ床バエの発生を抑止出来た。Therefore, when the supply of wastewater was stopped and a solution of caustic soda adjusted to 5 pato was circulated through the trickling filter bed for 7 hours, part of the sludge was separated. After that, 1 operation resumed, but 1
The generation of filter bed flies could be suppressed for 1,000 hours.
Ｂ本パーオキサイド株式会社 ４７２B Hon Peroxide Co., Ltd. 472
Claims (1)
的に排水の処理を中止し１その際にアルカリ性溶液を散
水ろ床に接触させると七を特徴とするろ床バエの発生抑
止法。In the method of treating organic wastewater using the trickling filter method, if the treatment of the wastewater is continuously stopped and an alkaline solution is brought into contact with the trickling filter at that time, the generation of filter bed flies characterized by Law.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56130151A JPS5834088A (en) | 1981-08-21 | 1981-08-21 | Method of suppressing generation of filter bed fly in trickling filter process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56130151A JPS5834088A (en) | 1981-08-21 | 1981-08-21 | Method of suppressing generation of filter bed fly in trickling filter process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5834088A true JPS5834088A (en) | 1983-02-28 |
| JPH0133231B2 JPH0133231B2 (en) | 1989-07-12 |
Family
ID=15027196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56130151A Granted JPS5834088A (en) | 1981-08-21 | 1981-08-21 | Method of suppressing generation of filter bed fly in trickling filter process |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5834088A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1203621A4 (en) * | 2000-02-22 | 2003-01-08 | Sanyo Electric Co | Green garbage treatment apparatus |
-
1981
- 1981-08-21 JP JP56130151A patent/JPS5834088A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1203621A4 (en) * | 2000-02-22 | 2003-01-08 | Sanyo Electric Co | Green garbage treatment apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0133231B2 (en) | 1989-07-12 |
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