JPH02119998A - Sludge deodorizer - Google Patents
Sludge deodorizerInfo
- Publication number
- JPH02119998A JPH02119998A JP27271088A JP27271088A JPH02119998A JP H02119998 A JPH02119998 A JP H02119998A JP 27271088 A JP27271088 A JP 27271088A JP 27271088 A JP27271088 A JP 27271088A JP H02119998 A JPH02119998 A JP H02119998A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- odor
- signal
- chemical
- amount
- 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
- 239000010802 sludge Substances 0.000 title claims abstract description 51
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 23
- 230000003213 activating effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 22
- 238000002347 injection Methods 0.000 abstract description 15
- 239000007924 injection Substances 0.000 abstract description 15
- 239000002781 deodorant agent Substances 0.000 abstract description 9
- 230000016615 flocculation Effects 0.000 abstract description 7
- 238000005189 flocculation Methods 0.000 abstract description 7
- 238000004332 deodorization Methods 0.000 abstract description 2
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 235000019645 odor Nutrition 0.000 description 36
- 239000007789 gas Substances 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 10
- 239000003814 drug Substances 0.000 description 8
- 238000005070 sampling Methods 0.000 description 8
- 239000003595 mist Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- WQOXQRCZOLPYPM-UHFFFAOYSA-N dimethyl disulfide Chemical compound CSSC WQOXQRCZOLPYPM-UHFFFAOYSA-N 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010800 human waste Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- JLHMJWHSBYZWJJ-UHFFFAOYSA-N 1,2-thiazole 1-oxide Chemical group O=S1C=CC=N1 JLHMJWHSBYZWJJ-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明は汚泥に消臭剤を添加して脱臭処理するための汚
泥脱臭装置に係り、詳しくは臭気成分濃度を検出してそ
れに基いて薬注ポンプを制御するようにした汚泥脱臭装
置に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a sludge deodorizing device for deodorizing sludge by adding a deodorizing agent to the sludge. This invention relates to a sludge deodorizing device that controls an injection pump.
[従来の技術]
汚泥から発生する臭気を除去ないし防止するために、汚
泥にその量に比例した量の消臭剤を添加することや、汚
泥から発生したガスをガス処理装2に導ぎ、このガスを
全て脱臭処理することが行なわれている。[Prior Art] In order to remove or prevent the odor generated from sludge, it is possible to add a deodorizing agent to the sludge in an amount proportional to the amount thereof, or to introduce the gas generated from the sludge to a gas treatment device 2. All of this gas is deodorized.
[発明が解決しようとする課題]
汚泥量に比例して消臭剤を添加する方法では、消臭剤の
使用量が徒らに多くなり、薬品コストが嵩む、また、ガ
スを全量処理する場合にあってはガス処理設備が大型に
なり、設備コストが嵩む。[Problems to be solved by the invention] In the method of adding deodorizing agent in proportion to the amount of sludge, the amount of deodorizing agent used becomes unnecessarily large, increasing the chemical cost. In this case, the gas processing equipment becomes large and the equipment cost increases.
特に、臭気発生箇所が大型であると処理すべきガス量が
多量になり、全量を確実に処理することが困難となる。In particular, if the odor-generating location is large, the amount of gas to be treated will be large, making it difficult to reliably treat the entire amount.
[課題を解決するための手段]
本発明の汚泥脱臭装置は、汚泥に対し消臭剤を供給する
消臭剤供給手段と、汚泥から発生する臭気成分濃度を検
出する臭気センサと、該臭気センナからの信号を積分処
理する信号処理手段と、該信号処理手段で積分した信号
の大きさに基いて前記消臭剤供給手段を作動させる手段
とを備えるものである。[Means for Solving the Problems] The sludge deodorizing device of the present invention includes a deodorizing agent supplying means for supplying a deodorizing agent to sludge, an odor sensor that detects the concentration of odor components generated from the sludge, and the odor sensor. The deodorant supplying means is provided with a signal processing means for integrally processing a signal from the deodorant supplying means, and a means for operating the deodorant supplying means based on the magnitude of the signal integrated by the signal processing means.
[作用]
本発明の汚泥脱臭装置においては、臭気成分濃度に応じ
た量の薬液を汚泥に併給するので、過剰に薬液を使用す
ることなく確実にして十分な脱臭処理を行なうことがで
きる。[Function] In the sludge deodorizing apparatus of the present invention, since a chemical solution is co-supplied to the sludge in an amount corresponding to the odor component concentration, it is possible to reliably perform sufficient deodorization treatment without using an excessive amount of chemical solution.
本発明では、臭気センサからの信号を積分処理した信号
に基いて薬注を行なうので、臭気成分濃度が短時間に大
きく変化したり、雰囲気中に発生する風等の影響で臭気
センサの検出出力が突発的に低下した場合であっても、
薬注量の変動幅が小さくなる。この結果、薬注量が適正
量になると共に、臭気を確実に防止することが可能とな
る。In the present invention, since medicine is dispensed based on the signal obtained by integrating the signal from the odor sensor, the detection output of the odor sensor may be affected by large changes in the concentration of odor components in a short period of time, or by the influence of wind generated in the atmosphere. Even if there is a sudden drop in
The fluctuation range of drug injection amount becomes smaller. As a result, the amount of medicine injected becomes an appropriate amount, and odor can be reliably prevented.
本発明にあっては、汚泥自体に薬液を供給するものであ
り、脱臭効果が高い、また、脱臭のための設備が徒らに
大型となることがない。In the present invention, the chemical solution is supplied to the sludge itself, and the deodorizing effect is high, and the deodorizing equipment does not become unnecessarily large.
[実施例] 以下図面を参照して実施例について説明する。[Example] Examples will be described below with reference to the drawings.
第1図は本発明の実施例装置の構成を示す系統図である
。第1図において、原流は汚泥タンク1に導入され、貯
留される。汚泥タンク1内の汚泥は汚泥ポンプ2及び配
管3を介して凝集反応槽4に導入され、攪拌器5で攪拌
されながらyJI集剤タンク5a、y11集剤ポンプ5
b及び配管5Cを介して供給される凝集剤が添加される
。凝集処理された汚泥は次いで例えばベルトプレス型汚
泥脱水機7の重力脱水部6に導入され、重力脱水された
後脱水される。脱水汚泥は脱水汚泥搬送装置8により搬
出される。FIG. 1 is a system diagram showing the configuration of an apparatus according to an embodiment of the present invention. In FIG. 1, the raw flow is introduced into a sludge tank 1 and stored therein. The sludge in the sludge tank 1 is introduced into the flocculation reaction tank 4 via the sludge pump 2 and piping 3, and is stirred by the agitator 5 while passing through the yJI collection tank 5a and the y11 collection pump 5.
b and a flocculant supplied via pipe 5C are added. The flocculated sludge is then introduced into, for example, a gravity dewatering section 6 of a belt press type sludge dehydrator 7, where it is subjected to gravity dewatering and then dewatered. The dehydrated sludge is carried out by a dehydrated sludge transport device 8.
この汚泥からは硫化水素、メチルメルカプタン、硫化メ
チル、二硫化メチル、トリメチルアミン、アンモニア等
の臭気成分が発生する。前記汚泥タンクi、IA集反応
禮4、重力脱水部6及び脱水汚泥搬送装置8には臭気を
サンプリングするためのサンプリング端末器10.11
.12.13が設けられ、それぞれサンプリング管14
.15.16.17が接続されている。各サンプリング
管14〜17は臭気センサ18.19.20.21が設
けられた部分を経てガスポンプ22.23.24.25
に接続されている。各ガスポンプ22〜25は排気管2
6を介して脱臭器27に接続されている。なお、脱水汚
泥搬送装置では、汚泥表面から10cm以内の箇所にサ
ンプリング端末器13が設けられている。Odor components such as hydrogen sulfide, methyl mercaptan, methyl sulfide, methyl disulfide, trimethylamine, and ammonia are generated from this sludge. The sludge tank i, the IA collection and reaction unit 4, the gravity dewatering section 6, and the dewatered sludge transport device 8 are equipped with sampling terminals 10 and 11 for sampling odors.
.. 12 and 13 are provided, each sampling tube 14
.. 15.16.17 are connected. Each sampling tube 14-17 passes through a section where an odor sensor 18.19.20.21 is installed and then passes through a gas pump 22.23.24.25.
It is connected to the. Each gas pump 22 to 25 has an exhaust pipe 2
It is connected to a deodorizer 27 via 6. In addition, in the dewatered sludge transport device, a sampling terminal device 13 is provided at a location within 10 cm from the sludge surface.
各サンプリング管14〜17にはそれぞれミスト除去器
14a、15a、16a、17a及びダストフィルタ1
4b、15b、16b、17bが設けられている。ミス
ト除去器14a〜17aは臭気センサ18〜21に向っ
てミストが流れ込むことを防止しており、ダストフィル
タ14b〜1フbは同゛様に臭気センサ18〜21に向
フてダストが流れ込むことを防止している。これらミス
ト除去器14a〜17a及びダストフィルタ1′4b〜
17bを設けることにより臭気センサ18〜2!の腐食
やダスト付着が防止され、臭気センサ18〜21の耐久
性向上及び検出感度の低下防止が図れる。なお、ミスト
除去器としてはシリカゲル等の吸湿剤を内蔵したものや
、加温によりミストな気化するヒータを有したものであ
っても良い、後者の場合、ヒータよりも下流側の管路に
断熱材を施すのが好ましい。Each sampling tube 14 to 17 has a mist remover 14a, 15a, 16a, 17a and a dust filter 1, respectively.
4b, 15b, 16b, and 17b are provided. The mist removers 14a to 17a prevent mist from flowing toward the odor sensors 18 to 21, and the dust filters 14b to 1b prevent dust from flowing toward the odor sensors 18 to 21. is prevented. These mist removers 14a to 17a and dust filters 1'4b to
By providing 17b, odor sensors 18-2! Corrosion and dust adhesion are prevented, thereby improving the durability of the odor sensors 18 to 21 and preventing a decrease in detection sensitivity. The mist remover may be one with a built-in moisture absorbent such as silica gel, or one with a heater that vaporizes mist by heating. In the latter case, the pipe line downstream of the heater may be insulated. It is preferable to apply wood.
臭気センサ18〜21の出力信号はそれぞれ信号処理器
28.29.30.31を介して演算器32に人力され
ている。該演算器32からはポンプコントローラ33に
向って薬注量信号が出力されており、ポンプコントロー
ラ33はこの信号に基いて薬液タンク34.35に設け
られている薬注ポンプ36.3フを制御し、配管38.
39を介して汚泥タンク1及び凝集反応槽4に消臭用の
薬液を供給している。The output signals of the odor sensors 18 to 21 are input to the computing unit 32 via signal processors 28, 29, 30, and 31, respectively. A chemical injection amount signal is outputted from the calculator 32 to the pump controller 33, and the pump controller 33 controls the chemical injection pump 36.3 provided in the chemical liquid tank 34.35 based on this signal. and piping 38.
A deodorizing chemical solution is supplied to the sludge tank 1 and the flocculation reaction tank 4 via the sludge tank 39.
なお、本発明において消臭用の薬剤としてはイソチアゾ
ロン系殺菌剤、NaCjZO。In the present invention, the deodorizing agent is an isothiazolone bactericide and NaCjZO.
NaCl102.H202、Zn塩、Fe塩等が好適で
あるが、その他の消臭剤を用いても良い。NaCl102. H202, Zn salt, Fe salt, etc. are suitable, but other deodorants may also be used.
なお、本実施例では臭気センサ18〜21として半導体
ガスセンサ又は定電位電解型ガスセンサ(もちろん、そ
の他のセンサであっても良い。)が用いられており、臭
気成分濃度に応じた大きさの信号が該臭気センサ18〜
21から出力される。信号処理器28〜31ではこの信
号を電圧信号に変換し、演算1132に出力している。In this embodiment, semiconductor gas sensors or constant potential electrolytic gas sensors (of course, other sensors may be used) are used as the odor sensors 18 to 21, and a signal having a magnitude corresponding to the concentration of odor components is generated. The odor sensor 18~
It is output from 21. The signal processors 28 to 31 convert this signal into a voltage signal and output it to the calculation unit 1132.
演算器32には積分回路が設けられており、この人力さ
れる電圧信号を積分した信号が汚泥タンク1及び凝集反
応槽4に供給すべき消臭剤の量を示す信号としてポンプ
コントローラ33に出力される。ポンプコントローラ3
3ではこの信号に応じてポンプ36.37を回転させる
ようにポンプ36.37のモーターに通電を行なう。The computing unit 32 is provided with an integration circuit, and a signal obtained by integrating this manually input voltage signal is output to the pump controller 33 as a signal indicating the amount of deodorizing agent to be supplied to the sludge tank 1 and the coagulation reaction tank 4. be done. Pump controller 3
3, the motors of the pumps 36, 37 are energized to rotate the pumps 36, 37 in response to this signal.
第2図はセンサ出力の経時変化の一例を示すものであり
、第3図は積分処理した演算器出力信号を示す。第3図
の如く、センサ出力が大きく変動しても演算器出力はな
だらかに変動する。そして、ポンプコントローラ33で
はこの積分回路出力信号の大きさに応じたポンプ吐出量
となるようにポンプ36.37を作動させる。従って、
センサ出力が瞬間的に大きく変動しても薬注量の変化は
小幅なものとなり、徒らに過剰量の薬注を行なったり、
逆に薬注量が不足したりすることが解消される。FIG. 2 shows an example of a change in sensor output over time, and FIG. 3 shows an integrally processed arithmetic unit output signal. As shown in FIG. 3, even if the sensor output fluctuates greatly, the arithmetic unit output fluctuates gently. Then, the pump controller 33 operates the pumps 36 and 37 so that the pump discharge amount corresponds to the magnitude of this integral circuit output signal. Therefore,
Even if the sensor output fluctuates greatly momentarily, the change in the amount of medicine dispensed will be small, resulting in unnecessary dosing of an excessive amount of medicine, or
On the other hand, problems such as insufficient amount of medicine to be injected are eliminated.
上記実施例装置において、汚泥タンク1への薬注量を制
御する場合、該汚泥タンク1内の臭気を臭気センサ18
で検出し、この検出値に基いて薬注ポンプ36を制御す
ることができる。また、臭気センサ19.20.21の
いずれか1又は2以上の検出値に基いて汚泥タンク用薬
注ポンプ36を制御しても良い。In the above-described embodiment, when controlling the amount of chemical injection into the sludge tank 1, the odor in the sludge tank 1 is detected by the odor sensor 18.
The drug injection pump 36 can be controlled based on this detected value. Further, the sludge tank chemical injection pump 36 may be controlled based on the detected values of any one or more of the odor sensors 19, 20, and 21.
凝集反応Iff 4への消臭剤薬注量を制御する場合に
は、臭気センサ19にて凝集反応4g4内の臭気強さを
検出し、この検出信号に基いて凝集反応槽用薬注ポンプ
37を制御することができる。また、臭気センサ18.
20.21の1又は2以上の検出信号に基いて凝集反応
槽用薬注ポンプ37を制御しても良い。When controlling the amount of deodorant medicine injected into the flocculation reaction Iff 4, the odor intensity in the flocculation reaction 4g4 is detected by the odor sensor 19, and based on this detection signal, the flocculation reaction tank chemical injection pump 37 is controlled. can be controlled. In addition, the odor sensor 18.
The aggregation reaction tank chemical injection pump 37 may be controlled based on one or more detection signals of 20.21.
なお、上記の汚泥脱臭装置にあっては、汚泥タンク!及
び凝集反応槽4内の汚泥に直接に消臭剤を供給するので
、汚泥から臭気が発生しようとすることを直接的に防止
することができる。従って、臭気防止効果が優れると共
に、発生する臭気ガスを全量処理するものに比べ、設備
が小さくて済み、設備コストが低度になる。また、発生
する臭気強さに応じて消臭剤の供給量を制御するから、
消臭剤の使用量も適正であり、過剰供給することがなく
薬品コストが低度である。In addition, in the above sludge deodorizing equipment, the sludge tank! Since the deodorizing agent is directly supplied to the sludge in the flocculation reaction tank 4, it is possible to directly prevent odor from being generated from the sludge. Therefore, the odor prevention effect is excellent, and the equipment is smaller and the equipment cost is lower than that which treats all the odor gas generated. In addition, since the amount of deodorant supplied is controlled according to the strength of the odor generated,
The amount of deodorant used is appropriate, and there is no need to oversupply, resulting in low chemical costs.
本発明装置は、し尿処理場、下水処理場など各種設備に
おける曝気槽等の生物処理槽、し尿貯槽、汚泥処理設備
など各種設備に適用することができる。The device of the present invention can be applied to various facilities such as biological treatment tanks such as aeration tanks, human waste storage tanks, and sludge treatment facilities in various facilities such as human waste treatment plants and sewage treatment plants.
[効果]
以上の通り、本発明の汚泥脱臭装置によれば、臭気セン
サの検出値が瞬間的に大きく変動しても薬注量はなだら
かに変動するので、過剰な薬注や逆に薬注不足が防止さ
れ、臭気を確実に除去することが可能である。また、本
発明にあっては、消臭剤を汚泥に直接注入するので、発
生するガス自体が臭気の除去されたものとなっている。[Effects] As described above, according to the sludge deodorizing device of the present invention, even if the detected value of the odor sensor varies momentarily and greatly, the amount of chemical injection changes smoothly, so it is possible to prevent excessive chemical injection or conversely chemical injection. Shortages are prevented and odors can be reliably removed. Further, in the present invention, since the deodorizing agent is directly injected into the sludge, the generated gas itself has no odor.
従って、臭気を含むガスを全量処理する脱臭設備に比べ
、臭気対策設備が小さく、装置構成コストが安価である
。Therefore, compared to deodorizing equipment that processes the entire amount of gas containing odors, the odor control equipment is smaller and the equipment configuration cost is lower.
第1図は本発明の実施例装置の詳細を示す系統図、第2
図はセンサ出力波形図、第3図は積分回路出力波形図で
ある。
!・・・汚泥タンク、 4・・・711集反応40.
7・・・汚泥脱水器、 8・・・脱水汚泥搬送装置、1
0 、11 、12、13
・・・サンプリング端末器、
17・・・サンプリング管、
21・・・臭気センサ、
14、15、16.
18、19 、20.
27・・・脱臭器、
28、29、30.
32・・・演算器、
33・・・ポンプコントローラ、
34.35・・・薬液タンク、
36.37・・・薬注ポンプ。
31・・・信号lf!、埋器、Fig. 1 is a system diagram showing details of an embodiment of the present invention;
The figure is a sensor output waveform diagram, and FIG. 3 is an integration circuit output waveform diagram. ! ...Sludge tank, 4...711 collection reaction 40.
7... Sludge dehydrator, 8... Dehydrated sludge transport device, 1
0, 11, 12, 13... Sampling terminal device, 17... Sampling tube, 21... Odor sensor, 14, 15, 16. 18, 19, 20. 27... Deodorizer, 28, 29, 30. 32... Arithmetic unit, 33... Pump controller, 34.35... Chemical tank, 36.37... Chemical injection pump. 31...Signal lf! , burial,
Claims (1)
汚泥から発生する臭気成分濃度を検出する臭気センサと
、該臭気センサからの信号を積分処理する信号処理手段
と、該信号処理手段で積分した信号の大きさに基いて前
記消臭剤供給手段を作動させる手段とを備えてなる汚泥
脱臭装置。(1) a deodorizer supply means for supplying the deodorizer to the sludge;
an odor sensor that detects the concentration of odor components generated from sludge; a signal processing means that integrates a signal from the odor sensor; and a deodorizer supplying means based on the magnitude of the signal integrated by the signal processing means. A sludge deodorizing device comprising means for activating the sludge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27271088A JPH02119998A (en) | 1988-10-28 | 1988-10-28 | Sludge deodorizer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27271088A JPH02119998A (en) | 1988-10-28 | 1988-10-28 | Sludge deodorizer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02119998A true JPH02119998A (en) | 1990-05-08 |
Family
ID=17517707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP27271088A Pending JPH02119998A (en) | 1988-10-28 | 1988-10-28 | Sludge deodorizer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02119998A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04305221A (en) * | 1991-04-01 | 1992-10-28 | Kurita Water Ind Ltd | Controller for deodorant supplying machine |
US8980172B1 (en) * | 2011-09-19 | 2015-03-17 | Vapex Environment Technologies, Inc. | Automatic odor control system and method and related sensor module |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63151400A (en) * | 1986-12-13 | 1988-06-23 | Shinko Fuaudoraa Kk | Deodorization equipment of sludge storage tank |
-
1988
- 1988-10-28 JP JP27271088A patent/JPH02119998A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63151400A (en) * | 1986-12-13 | 1988-06-23 | Shinko Fuaudoraa Kk | Deodorization equipment of sludge storage tank |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04305221A (en) * | 1991-04-01 | 1992-10-28 | Kurita Water Ind Ltd | Controller for deodorant supplying machine |
US8980172B1 (en) * | 2011-09-19 | 2015-03-17 | Vapex Environment Technologies, Inc. | Automatic odor control system and method and related sensor module |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69809079D1 (en) | WATER TREATMENT SYSTEM WITH DOSAGE CONTROL | |
US7407593B2 (en) | Deodorization of livestock waste using ozone | |
ATE296263T1 (en) | REACTOR FOR TREATING LIQUIDS | |
KR100332165B1 (en) | Activated-sludge processing apparatus and method for control of sludge to be returned | |
ATE70251T1 (en) | METHOD AND DEVICE FOR WASTEWATER PURIFICATION BY THE ACTIVATED SLUDGE METHOD. | |
JPH02119998A (en) | Sludge deodorizer | |
JPH02119997A (en) | Sludge deodorizer | |
JPH0389993A (en) | Method for controlling concentration of phosphorus in waste water | |
JP2692183B2 (en) | Sludge deodorizer | |
JP3058414B1 (en) | Water treatment equipment | |
JPH09122681A (en) | Water quality controlling apparatus | |
JPH02120000A (en) | Sludge deodorizer | |
JPH11262777A (en) | Method for removing phosphorus in wastewater | |
JPH02115019A (en) | Deodorizing apparatus | |
CN214270612U (en) | Odorous organic matter treatment equipment based on Fenton sewage treatment system | |
JPH02119999A (en) | Sludge deodorizer | |
JPWO2020166074A1 (en) | Water treatment system and water treatment method | |
CN208151103U (en) | Black and odorous water governing system | |
JPS58112027A (en) | Deodorizing apparatus | |
JP6550212B2 (en) | Waste water treatment apparatus and waste water treatment method | |
JP2003290793A (en) | Method for preventing odor development from flocculated sludge | |
JPH0248024Y2 (en) | ||
CN208151104U (en) | Intelligent black and odorous water governing system | |
JPH11207368A (en) | Ozone injection controlling method | |
CN112645541A (en) | Odorous organic matter treatment equipment based on Fenton sewage treatment system |