JPS6354995A - Waste water treating tank - Google Patents
Waste water treating tankInfo
- Publication number
- JPS6354995A JPS6354995A JP61200369A JP20036986A JPS6354995A JP S6354995 A JPS6354995 A JP S6354995A JP 61200369 A JP61200369 A JP 61200369A JP 20036986 A JP20036986 A JP 20036986A JP S6354995 A JPS6354995 A JP S6354995A
- Authority
- JP
- Japan
- Prior art keywords
- microorganism
- return pipe
- waste water
- treated
- 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.)
- Pending
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000000630 rising effect Effects 0.000 claims description 3
- 244000005700 microbiome Species 0.000 abstract description 13
- 239000008188 pellet Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000001888 Peptone Substances 0.000 description 1
- 108010080698 Peptones Proteins 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 235000019319 peptone Nutrition 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000008719 thickening Effects 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】
産栗上至且里光互
本発明は、廃水流入口を有する前端部から処理水出口を
有する後端部へ栓流を形成して廃水を水平移動させ、そ
の間に微生物担持粒子により廃水を生物学的に処理する
廃水処理槽に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention provides a method for horizontally moving wastewater by forming a plug flow from a front end having a wastewater inlet to a rear end having a treated water outlet. This invention relates to a wastewater treatment tank that biologically treats wastewater using microorganism-supported particles.
玩漣Ｊυ支五
最近、微生物をポリアクリルアミド、ポリビニルアルコ
ール等の含水高分子ゲルに固定化して得られる微生物固
定化ペレットを用いて廃水を処理する方法が注目されて
いる。Recently, a method of treating wastewater using microorganism-immobilized pellets obtained by immobilizing microorganisms on a water-containing polymer gel such as polyacrylamide or polyvinyl alcohol has been attracting attention.
■が”° しよ゛とする口 占
しかしながら、このような微生物固定化ペレットを従来
の標準活性汚泥法に用いられる旋回流型反応槽に投入し
て処理を行う場合、ペレットが流れ方向後部にかたよっ
てしまい、ペレットが反応槽全体に分散せず、処理に対
して有効に寄与しないという欠点があった。However, when such pellets with immobilized microorganisms are put into a swirling flow reactor used in the conventional standard activated sludge method for treatment, the pellets tend to be at the rear in the flow direction. There was a drawback that the pellets were skewed and the pellets were not dispersed throughout the reaction tank and did not contribute effectively to the treatment.
従って、本発明は、微生物担持粒子の滞留が起こらず、
投入した微生物担持粒子全部が効率よく廃水処理に寄与
できる廃水処理槽を提供することを目的とする。Therefore, in the present invention, retention of microorganism-carrying particles does not occur, and
It is an object of the present invention to provide a wastewater treatment tank in which all of the microorganism-supporting particles introduced therein can efficiently contribute to wastewater treatment.
。 占を”ンするための
本発明は、処理槽内の後部に管を垂直方向に設け、管下
部から気体を吹き込み、管内での気体の上昇する力を利
用して混合液及び微生吻担持粒子を反応槽液面より上に
上昇させ、自然落下により処理槽の前部に微生物担持粒
子を返送することによって前記問題点を解決したもので
ある。. In the present invention, a pipe is installed vertically at the rear of the processing tank, gas is blown from the bottom of the pipe, and the rising force of the gas inside the pipe is used to support the mixed liquid and microorganisms. This problem is solved by raising the particles above the liquid level of the reaction tank and returning the microorganism-carrying particles to the front of the processing tank by gravity.
すなわち、本発明による廃水処理槽は、槽内の後底部か
ら液面より上に上昇した後、前部へ向かって曲折する微
生物担持粒子返送管を設置し、該返送管の上昇管部分の
下方にブロアを備えたことを特徴とする。That is, the wastewater treatment tank according to the present invention is provided with a microorganism-carrying particle return pipe that rises above the liquid level from the rear bottom of the tank and then bends toward the front, and below the rising pipe portion of the return pipe. It is characterized by being equipped with a blower.
微生物担持粒子としては、微生物固定化ベレット又は粒
状活性炭等の粒状担体に微生物を付着させた粒状物を使
用することができる。As the microorganism-carrying particles, it is possible to use microorganism-immobilized pellets or granular materials in which microorganisms are attached to a granular carrier such as granular activated carbon.
第１図は、本発明の廃水処理槽の１実施態様を示すフロ
ーシートである。この処理槽において、被処理水は、被
処理水導入管１から反応槽３に導入され、微生物担持粒
子と接触、処理された後、処理水流出口２から流出する
。反応槽３の後部には、微生物担持粒子返送管４が設け
られている。FIG. 1 is a flow sheet showing one embodiment of the wastewater treatment tank of the present invention. In this treatment tank, the water to be treated is introduced into the reaction tank 3 from the water-to-be-treated inlet pipe 1, comes into contact with the microorganism-carrying particles, is treated, and then flows out from the treated water outlet 2. At the rear of the reaction tank 3, a microorganism-carrying particle return pipe 4 is provided.
この返送管４の下部には、ブロア５が設けられており、
空気のような気体を噴出させ、管内に上向流を形成させ
、微生物担持粒子を上昇させる。A blower 5 is provided at the bottom of the return pipe 4.
A gas such as air is ejected to form an upward flow within the tube, causing the microorganism-carrying particles to rise.
微生物担持粒子返送管４は、液面より上に突出したとこ
ろで、前方へ曲折しており、微生物担持粒子含む混合液
を反応槽の前部へ返送する。The microorganism-supported particle return pipe 4 is bent forward at the point where it protrudes above the liquid level, and returns the mixed liquid containing the microorganism-supported particles to the front part of the reaction tank.
■
反応槽の後部に集まった微生物担持粒子は、返送管の上
昇管部分の下方のブロアから吹き込まれる気体によるエ
アリフト効果により混合液と共に上昇し、更に返送管の
曲折部を通って反応槽の前部へ返送され、反応槽全体に
分散される。■ The microorganism-carrying particles that have gathered at the rear of the reaction tank rise together with the mixed liquid due to the air lift effect caused by the gas blown from the blower below the riser part of the return pipe, and then pass through the bent part of the return pipe to the front of the reaction tank. and distributed throughout the reactor.
微生物担持粒子として、粒状活性炭等の粒状担体に微生
物を付着させたものを使用した場合、エアリフト時に粒
状物表面の微生物や汚染物が剥離する洗浄作用が期待で
き、微生物の担体への肥厚による悪影響を防止すること
ができる。When microorganisms are attached to a granular carrier such as granular activated carbon as microorganism-carrying particles, a cleaning effect that removes microorganisms and contaminants from the surface of the granular material during airlift can be expected, and there is no adverse effect due to thickening of the microorganism carrier. can be prevented.
裏上斑
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。Next, the present invention will be described in detail based on Examples, but the present invention is not limited thereto.
実施例１
第１図に示した廃水処理槽（幅３００ｃｍ、長さ１５０
０口、高さ５００口、有効容積１３５ Ｚ）を用いて、
微生物固定化ペレットの充填率１０％で、下記の組成を
有するＴＯＣ２１０ｍｇ／ｌＳＢＯＤ５００ｍｇ／Ｉｌ
の合成廃水を処理した。Example 1 The wastewater treatment tank shown in Fig. 1 (width 300 cm, length 150 cm)
0 ports, height 500 ports, effective volume 135 Z),
TOC210mg/lSBOD500mg/Il with the following composition at a filling rate of microorganism-immobilized pellets of 10%
treated synthetic wastewater.
益！■櫃且 至■１ユｄ ペプトン ２６２．５ 肉エキス ２００ 尿素 ５゜ ＮａＣｌ １５ ＫＣＩ ７ ｇＳＯ４５ ＮａｚＨＰＯａ ５０ａＣ１２７ 処理結果を第２図に示す。Benefit! ■To ■1 d Peptone 262.5 Meat extract 200 Urea 5゜ NaCl 15 KCI 7 gSO45 NazHPOa 50aC127 The processing results are shown in FIG.
比較のため、微生物担持粒子の返送管を有しない従来の
処理槽を用いる以外は、前記と同様に処理を行い、結果
を第２図に示す。For comparison, the treatment was carried out in the same manner as described above, except that a conventional treatment tank without a return pipe for microorganism-carrying particles was used, and the results are shown in FIG.
従来法では、流入廃水量を増して滞留時間を短くするに
従って、ベレットが反応槽後部にかたより、処理水質は
悪化したが、本発明の処理槽を用いた場合には、−貫し
て良好な処理水質が達成された。In the conventional method, as the amount of inflowing wastewater was increased and the residence time was shortened, the pellets were shifted to the rear of the reaction tank and the quality of the treated water deteriorated, but when the treatment tank of the present invention was used, the quality of the treated water was consistently good. The quality of treated water was achieved.
発ｊしし１果
本発明の廃水処理槽によれば、微生物担持粒子が反応槽
の後部にかたよらず、反応槽全体に分散して存在するの
で、効率的な処理が可能となる。According to the wastewater treatment tank of the present invention, the microorganism-carrying particles are dispersed throughout the reaction tank instead of being concentrated at the rear of the reaction tank, so that efficient treatment is possible.
第１図は、本発明の廃水処理槽の１実施態様を示すフロ
ーシート、第２図は、本発明の廃水処理槽及び従来の処
理槽を用いて廃水処理を行った場合の処理水のＢ ＯＤ
？Ｍ度の経口変化図である。
１・・・被処理水導入管、２・・・処理水流出管、３・
・・反応槽、４・・・微生物担持粒子、５・・・ブロアFIG. 1 is a flow sheet showing one embodiment of the wastewater treatment tank of the present invention, and FIG. 2 is a flowchart showing the B of treated water when wastewater is treated using the wastewater treatment tank of the present invention and a conventional treatment tank. O.D.
? It is an oral change diagram of degree M. 1... Treated water inlet pipe, 2... Treated water outflow pipe, 3...
...Reaction tank, 4...Microorganism-carrying particles, 5...Blower
Claims (1)
部へ栓流を形成して被処理水を水平移動させ、その間に
微生物担持粒子により廃水を生物学的に処理する廃水処
理槽において、槽内の後底部から液面より上に上昇した
後、前部へ向かって曲折する微生物担持粒子返送管を設
置し、該返送管の上昇管部分の下方にブロアを備えたこ
とを特徴とする廃水処理槽。In a wastewater treatment tank, in which water to be treated is horizontally moved from a front end having a wastewater inlet to a rear end having a treated water outlet by forming a plug flow, and in the meantime, the wastewater is biologically treated with microorganism-supported particles, A microorganism-carrying particle return pipe is installed that rises above the liquid level from the rear bottom of the tank and then bends toward the front, and a blower is provided below the rising pipe portion of the return pipe. Wastewater treatment tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61200369A JPS6354995A (en) | 1986-08-27 | 1986-08-27 | Waste water treating tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61200369A JPS6354995A (en) | 1986-08-27 | 1986-08-27 | Waste water treating tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6354995A true JPS6354995A (en) | 1988-03-09 |
Family
ID=16423160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61200369A Pending JPS6354995A (en) | 1986-08-27 | 1986-08-27 | Waste water treating tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6354995A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992009533A1 (en) * | 1990-11-21 | 1992-06-11 | Isamu Iwai | Sewage purifying device of filter material circulation type |
| US5387335A (en) * | 1990-11-21 | 1995-02-07 | Iwai; Isamu | Filter circulating type sewage disposal apparatus |
| JPH0771673B1 (en) * | 1990-11-21 | 1995-08-02 |
-
1986
- 1986-08-27 JP JP61200369A patent/JPS6354995A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992009533A1 (en) * | 1990-11-21 | 1992-06-11 | Isamu Iwai | Sewage purifying device of filter material circulation type |
| US5387335A (en) * | 1990-11-21 | 1995-02-07 | Iwai; Isamu | Filter circulating type sewage disposal apparatus |
| JPH0771673B1 (en) * | 1990-11-21 | 1995-08-02 |
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