JPH0753225B2 - Method of treating waste liquid in exhaust gas treatment equipment - Google Patents
Method of treating waste liquid in exhaust gas treatment equipmentInfo
- Publication number
- JPH0753225B2 JPH0753225B2 JP62250001A JP25000187A JPH0753225B2 JP H0753225 B2 JPH0753225 B2 JP H0753225B2 JP 62250001 A JP62250001 A JP 62250001A JP 25000187 A JP25000187 A JP 25000187A JP H0753225 B2 JPH0753225 B2 JP H0753225B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- waste liquid
- air heater
- dust collector
- flue
- 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.)
- Expired - Fee Related
Links
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- Treating Waste Gases (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は排液を煙道中の排ガスで蒸発乾燥する排ガス処
理装置の排液の処理方法に関する。Description: TECHNICAL FIELD The present invention relates to a method for treating waste liquid of an exhaust gas treating apparatus for evaporating and drying the waste liquid with exhaust gas in a flue.
更に詳しくは未乾燥固形物が煙道に付着堆積することを
防止でき排液の蒸発乾燥に必要な煙道の長さを短縮で
き、かつ煙突入口排ガス温度の低下を抑えることができ
る排ガス処理装置の排液の処理方法に関する。More specifically, an exhaust gas treatment device capable of preventing undried solid matter from adhering to and depositing on the flue, shortening the length of the flue required for evaporative drying of the waste liquid, and suppressing a decrease in the temperature of the exhaust gas at the chimney inlet. The present invention relates to a method for treating wastewater.
従来、湿式排ガス処理装置の排液を、乾式集じん装置上
流に噴霧する場合、エアーヒータ出口排ガスに噴霧し、
その蒸発乾燥固形物は、下流の乾式集じん装置で捕集し
ていた。（たとえば、特開昭56−155617号公報、特開昭
60−41529号公報、特開昭61−181519号公報参照） 〔発明が解決しようとする問題点〕 上述のように従来の排ガス処理装置の排液処理方法では
排液をエアーヒータ出口排ガス中に噴霧していたが、エ
アーヒータ出口排ガスの温度は、通常130〜150℃程度で
あり、その熱で排液を蒸発乾燥するには、次のような問
題点があった。Conventionally, when the waste liquid of the wet exhaust gas treatment device is sprayed upstream of the dry dust collector, it is sprayed on the exhaust gas from the air heater outlet,
The evaporated dry solid was collected by a downstream dry dust collector. (For example, JP-A-56-155617 and JP-A-
(See JP-A-60-41529 and JP-A-61-181519) [Problems to be Solved by the Invention] As described above, in the conventional waste liquid treatment method for an exhaust gas treatment apparatus, the waste liquid is discharged into the exhaust gas from the air heater. Although it was sprayed, the temperature of the exhaust gas from the air heater is usually about 130 to 150 ° C., and there was the following problem in evaporating and drying the waste liquid by the heat.
（１） 排ガス温度が130〜150℃程度では、排液の完全
蒸発乾燥のためには時間を要するのでプラントによって
は未乾燥固形物が煙道内に付着堆積する場合がある。(1) When the exhaust gas temperature is about 130 to 150 ° C., it takes time to completely evaporate and dry the effluent, so that undried solid matter may adhere and accumulate in the flue depending on the plant.
（２） 排ガス温度が130〜150℃程度では、排液を完全
に蒸発乾燥するためには、必要な煙道距離は30mと長
い。(2) When the exhaust gas temperature is around 130 to 150 ° C, the flue distance required for evaporating and drying the exhaust liquid is as long as 30 m.
（３） 排液の蒸発乾燥のために、排ガス温度が10℃程
度下がり、その結果、煙突入口排ガス温度が５〜10℃低
下する。(3) Due to the evaporation and drying of the effluent, the exhaust gas temperature drops by about 10 ° C, and as a result, the chimney inlet exhaust gas temperature drops by 5-10 ° C.
本発明は、かゝる現状に鑑みなされたもので、煙道内へ
の未乾燥固形物の付着量を減少させ、蒸発乾燥に必要な
煙道の長さを短縮し、さらに煙突に導入される排ガスの
煙突入口温度を上昇させることができる排ガス処理装置
における排液の処理方法を提供することを目的とするも
のである。The present invention has been made in view of such a current situation, and reduces the amount of undried solids adhering to the inside of the flue, shortens the length of the flue required for evaporative drying, and further introduces it into the chimney. It is an object of the present invention to provide a method for treating waste liquid in an exhaust gas treatment device capable of increasing the temperature of a chimney inlet of exhaust gas.
本発明はボイラー排ガスをエアーヒータを通して空気と
熱交換した後乾式集じん装置に導き排ガス中に含まれて
いるばいじんを除去した上で湿式排ガス処理装置に送り
排ガスを浄化し前記湿式排ガス処理装置からの排液を前
記エアーヒータの下流で前記乾式集じん装置の上流に注
入してこの乾燥固形物を前記乾式集じん装置で捕集する
排液の処理方法において、前記エアーヒータ上流の高温
排ガスの１部を前記エアーヒータのバイパス管路により
前記エアーヒータ下流で前記乾式集じん装置の上流の煙
道に導き、かつ、同煙道中に開口した前記バイパス管路
の出口管路内に開口した排液注入ノズルにより排液を注
入することを特徴とする排ガス処理装置における排液の
処理方法を提案するものである。The present invention introduces the exhaust gas from a boiler to a wet exhaust gas treatment device after purifying the exhaust gas by introducing the exhaust gas from the boiler to a dry dust collector after heat exchange with the air through an air heater to remove the dust contained in the exhaust gas from the wet exhaust gas treatment device. Of the high temperature exhaust gas upstream of the air heater in the method for treating the waste liquid by injecting the waste liquid of the above into the upstream of the dry dust collecting apparatus downstream of the air heater and collecting the dried solid matter by the dry dust collecting apparatus. A part of the exhaust pipe is introduced into the flue of the dry dust collector downstream of the air heater by the bypass duct of the air heater and in the outlet duct of the bypass duct opened in the flue. The present invention proposes a method for treating waste liquid in an exhaust gas treatment apparatus, which is characterized by injecting waste liquid with a liquid injection nozzle.
エアーヒータ上流の高温排ガス（ガス温度約350℃）の
１部を、エアーヒータをバイパスさせエアーヒータ下流
で乾式集じん装置の上流に導き、かつ高温排ガスのバイ
パス流の出口に排液を注入するので、排液の蒸発に必要
な熱が高温排ガスから排液の液滴に急速に伝わり、蒸発
が急激に進み、その結果煙道内への未乾燥固形物の堆積
量が減少し、蒸発乾燥に必要な煙道長さを短縮すること
ができ、さらにエアーヒータ出口ガスに高温排ガスを合
流させるので排ガス温度が上昇し、その結果排ガスの煙
突入口温度が上昇する。A part of the high temperature exhaust gas (gas temperature of about 350 ° C) upstream of the air heater is bypassed to the air heater and guided upstream of the dry dust collector at the downstream side of the air heater, and waste liquid is injected into the bypass flow outlet of the high temperature exhaust gas. Therefore, the heat required to evaporate the waste liquid is rapidly transferred from the high-temperature exhaust gas to the liquid droplets of the waste liquid, and the evaporation proceeds rapidly. As a result, the amount of undried solids deposited in the flue decreases and evaporative drying occurs. The required flue length can be shortened, and since the high temperature exhaust gas joins the air heater outlet gas, the exhaust gas temperature rises, and as a result, the chimney inlet temperature of the exhaust gas rises.
第１図及び第２図により本発明の１実施例の排ガス処理
装置における排液の処理方法について説明する。第１図
は本発明の１実施例の排ガス処理装置における排液の処
理の工程図、第２図は上記実施例の要部拡大図である。A method of treating waste liquid in the exhaust gas treating apparatus according to the first embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is a process diagram of the treatment of waste liquid in an exhaust gas treating apparatus of one embodiment of the present invention, and FIG. 2 is an enlarged view of a main part of the above embodiment.
第１図においてボイラ１から排出された排ガス２は脱硝
装置３において排ガス２中の窒素酸化物が除去される。
窒素酸化物が除去された排ガス４はエアーヒータ５に導
かれ１部はエアーヒータ５の上流で分岐してバイパス管
路18を介してダンパ19により流量が調整され、エアーヒ
ータ出口排ガス６とエアーヒータ５の下流で乾式集じん
器８の上流の煙道でかつ排液22が注入される個所で混合
される。一方湿式排ガス装置12から抜き出され排液ライ
ン17を通って送られた排液22は第２図に示すように煙道
中に開口したバイパス管路18の出口近傍に開口した２流
体ノズル25から加圧エア23によって噴霧され液滴24とな
る。液滴24は高温排ガスと接触し蒸発が急速に進み付着
堆積物が少くなり、必要な煙道長さも短かくなる。高温
排ガス20は排液が噴霧された後低温のエアーヒータ出口
排ガス６と混合し排ガス21となり、乾式集じん器８に導
かればいじんが除去される。このように従来の方法とは
異なり高温排ガスが混合されるので排ガスの煙突入口温
度もそれによって上昇する。乾式集じん器８により、除
去されたばいじんは排出路９を経て灰10として排出され
る。乾式集じん器８から排出される排ガス11は、湿式排
ガス処理装置12に導かれ排ガス中のSO2,HCl,HF及びばい
じんを除去され、その排ガス15は、煙突16より排出され
る。湿式排ガス処理装置では、排ガス中より吸収したSO
2により石膏が生成され、石膏排出路13を経て、石膏14
として回収される。In the exhaust gas 2 discharged from the boiler 1 in FIG. 1, nitrogen oxides in the exhaust gas 2 are removed in the denitration device 3.
The exhaust gas 4 from which the nitrogen oxides have been removed is guided to the air heater 5, and a part of the exhaust gas 4 branches upstream of the air heater 5 and the flow rate is adjusted by a damper 19 via a bypass pipe 18. Mixing is performed downstream of the heater 5 and upstream of the dry dust collector 8 and at the point where the waste liquid 22 is injected. On the other hand, the drainage liquid 22 extracted from the wet exhaust device 12 and sent through the drainage line 17 is discharged from the two-fluid nozzle 25 opened near the outlet of the bypass pipe line 18 opened in the flue as shown in FIG. The droplets 24 are atomized by the pressurized air 23. The droplets 24 come into contact with the hot exhaust gas and rapidly evaporate to reduce the amount of deposited deposits and reduce the required flue length. The high-temperature exhaust gas 20 is mixed with the low-temperature air heater outlet exhaust gas 6 after the discharged liquid is sprayed to become the exhaust gas 21, which is guided to the dry dust collector 8 to remove the dust. In this way, unlike the conventional method, the hot exhaust gas is mixed, so that the chimney inlet temperature of the exhaust gas also rises. The removed dust is discharged as ash 10 through the discharge passage 9 by the dry dust collector 8. The exhaust gas 11 discharged from the dry dust collector 8 is guided to the wet exhaust gas treatment device 12 to remove SO 2 , HCl, HF and dust in the exhaust gas, and the exhaust gas 15 is discharged from the chimney 16. In wet type exhaust gas treatment equipment, SO absorbed from exhaust gas
The gypsum is generated by 2 , the gypsum is discharged through the gypsum discharge path 13, and the gypsum 14
Will be collected as.
（１） 石炭焚排ガス4,000Nm3/hを処理する第１図及び
第２図に示す態様のパイロットプラントにより、本発明
の方法の効果の確認を実施した。その結果を次に説明す
る。脱硝装置３の出口排ガス４の組成は、第１表に示す
通りである。(1) The effect of the method of the present invention was confirmed by the pilot plant of the embodiment shown in FIGS. 1 and 2 which processes 4,000 Nm 3 / h of coal-burning exhaust gas. The result will be described below. The composition of the outlet exhaust gas 4 of the denitration device 3 is as shown in Table 1.
排ガス４の５％に相当する200Nm3/hを、ダンパ19を調整
してバイパス管路18を介して排液を噴霧する個所に導い
た。湿式排ガス処理装置12から排液ライン17を通って送
られる排液22の25/hを、エアーヒータ５と乾式集じん
装置８の間の煙道中に導入されるエアーヒータバイパス
の高温排ガス20中に２流体ノズル25により噴霧した。２
流体ノズル25では、排液22が、加圧エアー（6kg/cm2G）
23により噴霧され、微細噴霧液滴24が形成される。噴霧
液滴24は、高温排ガス20たとえば、排ガス温度350℃程
度により蒸発乾燥される。排液22の組成を第２表に示
す。 200 Nm 3 / h, which corresponds to 5% of the exhaust gas 4, was introduced to a location where the waste liquid was sprayed through the bypass line 18 by adjusting the damper 19. In the high-temperature exhaust gas 20 of the air heater bypass, 25 / h of the exhaust liquid 22 sent from the wet exhaust gas treatment device 12 through the exhaust liquid line 17 is introduced into the flue between the air heater 5 and the dry dust collector 8. Was sprayed with a two-fluid nozzle 25. Two
In the fluid nozzle 25, the drainage liquid 22 is pressurized air (6 kg / cm 2 G)
Atomized by 23, fine atomized droplets 24 are formed. The spray droplets 24 are evaporated and dried by the high temperature exhaust gas 20, for example, the exhaust gas temperature of about 350 ° C. The composition of drainage 22 is shown in Table 2.
高温排ガス20は排液噴霧後、エアーヒータ後流の低温排
ガスと混合され、排ガス21となる。排ガス21の組成と温
度を第３表に示す。 The hot exhaust gas 20 is mixed with the low temperature exhaust gas downstream of the air heater after spraying the discharged liquid, and becomes the exhaust gas 21. Table 3 shows the composition and temperature of the exhaust gas 21.
乾式集じん器８において、ばいじんを98.3％除去した。
乾式集じん器出口排ガス11は、200mg/Nm3のばいじん濃
度であった。なおノズル25から乾式集じん器８までの煙
道長さは20mであり、煙道への付着物の堆積は、１カ月
間連続運転を実施したところ1mm以下であった。 In the dry dust collector 8, 98.3% of dust was removed.
The exhaust gas 11 from the dry dust collector outlet had a dust concentration of 200 mg / Nm 3 . The length of the flue from the nozzle 25 to the dry dust collector 8 was 20 m, and the accumulation of deposits on the flue was less than 1 mm when continuously operated for one month.
（２） 比較例 第３図及び第４図の態様のパイロットプラントにより従
来法を実施し、本発明の方法との比較を行なった。その
結果を次に説明する。脱硝装置３の出口排ガス４の組成
は、第１表に示す通りで本発明の方法を実施した場合と
同じである。エアーヒータ出口排ガス６の組成を第４表
に示す。(2) Comparative Example The conventional method was carried out by the pilot plant of the embodiment shown in FIGS. 3 and 4, and the comparison with the method of the present invention was performed. The result will be described below. The composition of the outlet exhaust gas 4 of the denitration device 3 is the same as that when the method of the present invention is carried out as shown in Table 1. Table 4 shows the composition of the exhaust gas 6 from the air heater outlet.
第３図に示すように湿式排ガス処理装置12から排液ライ
ン17を通って送られる排液22を25/hエアーヒータ５と
乾式集じん装置８の間の煙道を通る排ガス６中に第４図
に示す２流体ノズル26により噴霧した。２流体ノズル26
では排液22が加圧エアー（6kg/cm2G）23により噴霧され
微細噴霧液滴24が形成する。噴霧液滴24は、通常、温度
が約150℃〜130℃のエアーヒータ出口排ガス６により蒸
発乾燥される。噴霧液組成は、本発明の方法の場合と同
様で第２表に示す。噴霧後の排ガス７の組成を第５表に
示す。 As shown in FIG. 3, the waste liquid 22 sent from the wet exhaust gas treatment device 12 through the drain line 17 is injected into the exhaust gas 6 passing through the flue between the 25 / h air heater 5 and the dry dust collecting device 8 Spraying was performed by a two-fluid nozzle 26 shown in FIG. Two-fluid nozzle 26
Then, the drainage liquid 22 is atomized by the pressurized air (6 kg / cm 2 G) 23 to form fine atomized droplets 24. The spray droplets 24 are usually evaporated and dried by the air heater outlet exhaust gas 6 having a temperature of about 150 ° C to 130 ° C. The composition of the spray liquid is the same as in the method of the present invention and is shown in Table 2. Table 5 shows the composition of the exhaust gas 7 after spraying.
乾式集じん器８においてばいじんを98.3％除去した。乾
式集じん器出口排ガス11には、200mg/Nm3のばいじん濃
度であった。乾式集じん器８により、除去されたばいじ
んは、排出路９を経て灰10として排出される。 In the dry dust collector 8, 98.3% of dust was removed. The exhaust gas 11 at the outlet of the dry dust collector had a dust concentration of 200 mg / Nm 3 . The soot and dust removed by the dry dust collector 8 is discharged as ash 10 through the discharge passage 9.
排ガス11の温度は、138℃で本発明方法の場合より10℃
低く、その他の組成は、本発明の方法の場合と同様であ
る。排ガス11は、湿式排ガス処理装置12に導かれ、排ガ
ス中のSO2,HCl,HF及びばいじんが除去され、処理された
排ガス15は煙突16より大気中に排出される。湿式排ガス
処理装置12では、排ガス中より吸収したSO2により石膏
が生成され、石膏排出路13を経て石膏14として回収され
る。なお、ノズル26から乾式集じん器８までの煙道長さ
は30mであり、煙道への付着物の堆積は、１カ月間連続
運転を実施した結果、６〜7mm程度であった。The temperature of the exhaust gas 11 is 138 ° C, which is 10 ° C higher than in the case of the method of the present invention.
Low, other compositions are similar to those of the method of the invention. The exhaust gas 11 is guided to the wet exhaust gas treatment device 12, where SO 2 , HCl, HF and soot and dust in the exhaust gas are removed, and the treated exhaust gas 15 is discharged from the chimney 16 to the atmosphere. In the wet type exhaust gas treatment device 12, gypsum is generated by SO 2 absorbed from the exhaust gas, and is recovered as gypsum 14 via the gypsum discharge path 13. The length of the flue from the nozzle 26 to the dry dust collector 8 was 30 m, and the accumulation of deposits on the flue was about 6 to 7 mm as a result of continuous operation for one month.
以上述べたように、本発明の方法の場合は、煙道への付
着物の堆積は従来の方法の場合の約1/6であり、排水を
蒸発乾燥させるに必要な煙道の長さも約10mすなわち1/3
程度も短縮することができる。また、本発明の方法の場
合は排液噴霧後の排ガスの温度が、従来の方法の場合に
比べ10℃高かった。As described above, in the case of the method of the present invention, the deposition of deposits on the flue is about 1/6 that in the case of the conventional method, and the length of the flue required for evaporating and drying the waste water is also about. 10m or 1/3
The degree can also be shortened. Further, in the case of the method of the present invention, the temperature of the exhaust gas after spraying the discharged liquid was 10 ° C. higher than that in the case of the conventional method.
本発明の方法によれば次の効果を奏する。 The method of the present invention has the following effects.
（１） 高温排ガス中に、排液を注入するので、急速な
蒸発乾燥が起り未乾燥固形物が煙道に付着堆積すること
が防止される。(1) Since the waste liquid is injected into the high-temperature exhaust gas, rapid evaporative drying occurs and undried solid matter is prevented from adhering and depositing on the flue.
（２） 排液を蒸発乾燥させる排ガスの温度を上昇させ
高温排ガス中に排液を注入することにより、排液を蒸発
乾燥するために必要な煙道の長さを短縮できる。(2) By elevating the temperature of the exhaust gas for evaporating and drying the exhaust liquid and injecting the exhaust liquid into the high-temperature exhaust gas, the length of the flue required for evaporating and drying the exhaust liquid can be shortened.
（３） 排液の排ガス中への注入により生ずる煙突入口
排ガス温度の低下を抑えることができる。(3) It is possible to suppress the decrease in the temperature of the exhaust gas at the chimney inlet caused by the injection of the waste liquid into the exhaust gas.
第１図は本発明の１実施例の排ガス処理装置における排
液の処理工程図、第２図は上記実施例の要部拡大図、第
３図は従来の排ガス処理装置における排液の処理工程
図、第４図は従来法の２流体ノズルの説明図である。 １……ボイラ、３……脱硝装置 ５……エアーヒータ、８……乾式集じん器 12……湿式排ガス処理装置、16……煙突 18……バイパス管路、19……ダンパ 20……高温排ガス、22……排液 23……加圧エアー、25……２流体ノズル 26……従来法２流体ノズルFIG. 1 is a process drawing of waste liquid in an exhaust gas treating apparatus according to one embodiment of the present invention, FIG. 2 is an enlarged view of a main part of the above embodiment, and FIG. 3 is a waste liquid treating step in a conventional exhaust gas treating apparatus. FIG. 4 and FIG. 4 are explanatory views of a conventional two-fluid nozzle. 1 ... Boiler, 3 ... Denitration device 5 ... Air heater, 8 ... Dry dust collector 12 ... Wet exhaust gas treatment device, 16 ... Chimney 18 ... Bypass line, 19 ... Damper 20 ... High temperature Exhaust gas, 22 ... Drainage 23 ... Pressurized air, 25 ... 2-fluid nozzle 26 ... Conventional 2-fluid nozzle
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ０１Ｄ 53/81 Ｂ０１Ｄ 53/34 １２４ Ｚ (72)発明者 米田 健一 広島県広島市西区観音新町４丁目６番22号 三菱重工業株式会社広島研究所内 (72)発明者 林 勲 東京都千代田区丸の内２丁目５番１号 三 菱重工業株式会社内 (72)発明者 荒井 徳磨 東京都千代田区丸の内２丁目５番１号 三 菱重工業株式会社内 (56)参考文献 特開 昭62−117616（ＪＰ，Ａ)─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification number Reference number within the agency FI Technology display location B01D 53/81 B01D 53/34 124 Z (72) Inventor Kenichi Yoneda 4 Kannon Shinmachi, Nishi-ku, Hiroshima-shi, Hiroshima Chome 6-22 Mitsubishi Heavy Industries Ltd. Hiroshima Research Institute (72) Inventor Isao Hayashi 2-5-1 Marunouchi Chiyoda-ku, Tokyo Sanryo Heavy Industries Co. Ltd. (72) Inventor Arai Tokuuma Marunouchi 2 Chiyoda-ku, Tokyo 5-5-1 Sanryo Heavy Industries Co., Ltd. (56) Reference JP-A-62-117616 (JP, A)
Claims (1)
気と熱交換した後乾式集じん装置に導き排ガス中に含ま
れているばいじんを除去した上で湿式排ガス処理装置に
送り排ガスを浄化し前記湿式排ガス処理装置からの排液
を前記エアーヒータの下流で前記乾式集じん装置の上流
に注入してこの乾燥固形物を前記乾式集じん装置で捕集
する排液の処理方法において、前記エアーヒータ上流の
高温排ガスの１部を前記エアーヒータのバイパス管路よ
り前記エアーヒータ下流で前記乾式集じん装置の上流の
煙道に導き、かつ、同煙道中に開口した前記バイパス管
路の出口管路内に開口した排液注入ノズルにより排液を
注入することを特徴とする排ガス処理装置における排液
の処理方法。1. A wet exhaust gas treatment system in which the exhaust gas from a boiler is heat-exchanged with air through an air heater and then introduced into a dry dust collector to remove soot and dust contained in the exhaust gas and then sent to a wet exhaust gas treatment device to purify the exhaust gas. In the method of treating waste liquid, in which the waste liquid from the device is injected downstream of the air heater and upstream of the dry dust collector to collect the dried solid matter by the dry dust collector, a high temperature upstream of the air heater is used. A part of the exhaust gas is guided from the bypass line of the air heater to the flue downstream of the air heater and upstream of the dry dust collector, and is opened in the outlet line of the bypass line opened in the flue. A wastewater treatment method in an exhaust gas treatment apparatus, characterized in that wastewater is injected by the wastewater injection nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62250001A JPH0753225B2 (en) | 1987-10-05 | 1987-10-05 | Method of treating waste liquid in exhaust gas treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62250001A JPH0753225B2 (en) | 1987-10-05 | 1987-10-05 | Method of treating waste liquid in exhaust gas treatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0194922A JPH0194922A (en) | 1989-04-13 |
| JPH0753225B2 true JPH0753225B2 (en) | 1995-06-07 |
Family
ID=17201370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62250001A Expired - Fee Related JPH0753225B2 (en) | 1987-10-05 | 1987-10-05 | Method of treating waste liquid in exhaust gas treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0753225B2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62117616A (en) * | 1985-11-19 | 1987-05-29 | Mitsubishi Heavy Ind Ltd | Flue-gas treatment apparatus |
-
1987
- 1987-10-05 JP JP62250001A patent/JPH0753225B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0194922A (en) | 1989-04-13 |
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