JP3111414B2 - Coffee wastewater treatment method - Google Patents
Coffee wastewater treatment methodInfo
- Publication number
- JP3111414B2 JP3111414B2 JP2294697A JP2294697A JP3111414B2 JP 3111414 B2 JP3111414 B2 JP 3111414B2 JP 2294697 A JP2294697 A JP 2294697A JP 2294697 A JP2294697 A JP 2294697A JP 3111414 B2 JP3111414 B2 JP 3111414B2
- Authority
- JP
- Japan
- Prior art keywords
- coffee
- water
- treated
- tank
- biological treatment
- 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
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
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、コーヒー排水処理
方法に関するものである。[0001] The present invention relates to a method for treating coffee wastewater.
【０００２】[0002]
【従来の技術】従来、飲料用のコーヒーを製造する場
合、焙煎（ばいせん）されたコーヒー豆をクラッシング
して破砕粒とし、該破砕粒を抽出釜に入れ、抽出釜に蒸
気を通すことによってコーヒー抽出液を抽出するように
している。そして、抽出されたコーヒー抽出液は、必要
に応じて砂糖、ミルク等が添加された後、缶、ペットボ
トル等に充填（てん）される。コーヒー抽出液が抽出さ
れた後の破砕粒は水分を含有するコーヒー粕（かす）と
して排出され、該コーヒー粕は、スクリュープレス等に
よる水切りによって、固形成分とコーヒー粕圧搾ろ液と
に分離させられる。2. Description of the Related Art Conventionally, when producing coffee for beverages, roasted coffee beans are crushed into crushed granules, and the crushed granules are put into an extraction pot, and steam is passed through the extraction pot. Thereby, the coffee extract is extracted. Then, the extracted coffee extract is added to sugar, milk, and the like as necessary, and then filled in a can, a plastic bottle, or the like. The crushed granules after the coffee extract is extracted are discharged as coffee grounds containing the water, and the coffee grounds are separated into a solid component and a coffee ground press filtrate by draining with a screw press or the like. .
【０００３】また、コーヒーを製造する工程において、
コーヒー豆、破砕粒、砂糖、ミルク等を収容するために
それぞれ収容桶（おけ）が使用され、該各収容桶は定期
的に洗浄されるので、洗浄が行われるのに伴って設備排
水が生じる。ところで、前記コーヒー粕圧搾ろ液、設備
排水等はコーヒー排水として排出されるが、該コーヒー
排水には各種の有機性物質が含有される。[0003] In the process of producing coffee,
Storage tubs are used to store coffee beans, crushed granules, sugar, milk, etc., and the storage tubs are periodically cleaned, so that equipment drainage occurs as the cleaning is performed. . By the way, the above-mentioned coffee cake press filtrate, equipment wastewater and the like are discharged as coffee wastewater, and the coffee wastewater contains various organic substances.
【０００４】そこで、前記コーヒー粕圧搾ろ液と設備排
水とを混合して混合液とし、該混合液に活性汚泥法、メ
タン発酵法等の生物学的処理を施すようにしている。Therefore, the above-mentioned coffee cake press filtrate and equipment wastewater are mixed to form a mixed liquid, and the mixed liquid is subjected to a biological treatment such as an activated sludge method or a methane fermentation method.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、前記従
来のコーヒー排水処理方法においては、コーヒー粕圧搾
ろ液には多くの油成分が含まれるので、混合液に前記生
物学的処理を施すと、活性汚泥、グラニュールメタン菌
等に油成分が付着してしまう。その結果、活性汚泥、グ
ラニュールメタン菌等の活性を低下させてしまうだけで
なく、活性汚泥、グラニュールメタン菌等が処理槽の液
面に浮上し、系外に流出してしまうので、生物学的処理
を継続することができなくなってしまう。However, in the above-mentioned conventional coffee wastewater treatment method, since the coffee cake press filtrate contains many oil components, when the mixture is subjected to the biological treatment, the activity is reduced. Oil component adheres to sludge, granule methane bacteria, etc. As a result, not only does the activity of activated sludge and granule methane bacteria decrease, but also the activated sludge and granule methane bacteria float on the surface of the treatment tank and flow out of the system. The scientific process cannot be continued.
【０００６】図２はコーヒー粕圧搾ろ液を油成分が分離
されないまま設備排水と共に処理したときのコーヒー排
水処理装置の特性図である。なお、図において、横軸に
経過時間を、縦軸にグラニュール汚泥ゾーンの厚さを採
ってある。この場合、設備排水とコーヒー粕圧搾ろ液と
の混合液（コーヒー排水）には油成分としてｎ−ヘキサ
ン抽出物質が１５０〜６００〔ｍｇ／ｌ〕含有されるの
で、時間が経過するのに伴ってグラニュールメタン菌の
グラニュール汚泥ゾーンが急激に薄くなってしまう。FIG. 2 is a characteristic diagram of a coffee wastewater treatment apparatus when the coffee cake press filtrate is treated together with facility wastewater without separating oil components. In the figure, the horizontal axis indicates the elapsed time, and the vertical axis indicates the thickness of the granular sludge zone. In this case, the mixed liquid (coffee wastewater) of the equipment wastewater and the coffee cake compressed filtrate contains 150 to 600 [mg / l] of the n-hexane extractable substance as an oil component, and as time passes, The granule sludge zone of granule methane bacteria becomes thin rapidly.
【０００７】そこで、混合液を蒸発によって濃縮して濃
縮液とし、該濃縮液をコーヒー粕と共に焼却する方法も
提供されているが、焼却によって大気が汚染されてしま
うので、焼却炉の設置場所に制約が生じてしまうだけで
なく、燃料費等のコストが高くなってしまう。本発明
は、前記従来のコーヒー排水処理方法の問題点を解決し
て、生物学的処理を継続することができるコーヒー排水
処理方法を提供することを目的とする。Therefore, a method has also been provided in which the mixture is concentrated by evaporation to form a concentrated liquid, and the concentrated liquid is incinerated together with the coffee grounds. Not only are restrictions imposed, but also costs such as fuel costs increase. An object of the present invention is to solve the problems of the conventional coffee wastewater treatment method and to provide a coffee wastewater treatment method capable of continuing biological treatment.
【０００８】[0008]
【課題を解決するための手段】そのために、本発明のコ
ーヒー排水処理方法においては、コーヒーの製造に伴っ
て生じた設備排水を被処理水として反応槽に供給し、該
反応槽において、前記被処理水に嫌気性雰囲気下で生物
学的処理を施し、前記生物学的処理を施した後の被処理
水に凝集沈澱（でん）処理を施して、処理水と凝沈汚泥
とに分離させ、コーヒーの製造に伴って生じたコーヒー
粕圧搾ろ液と前記凝沈汚泥とを混合して脱水し、脱水ろ
液を前記被処理水に混入させる。For this purpose, in the method for treating coffee waste water of the present invention, equipment waste water generated during the production of coffee is supplied to the reaction tank as water to be treated, and the waste water is treated in the reaction tank. The treated water is subjected to a biological treatment under an anaerobic atmosphere, and the water to be treated after the biological treatment is subjected to a coagulation / sedimentation (den) treatment to be separated into treated water and coagulated sludge. Then, the coffee cake press filtrate generated during the production of coffee and the coagulated sludge are mixed and dewatered, and the dewatered filtrate is mixed into the water to be treated.
【０００９】本発明の他のコーヒー排水処理方法におい
ては、さらに、前記嫌気性雰囲気下における生物学的処
理はＵＡＳＢ法によって行われる。本発明の更に他のコ
ーヒー排水処理方法においては、さらに、前記反応槽に
おいて、被処理水に、嫌気性雰囲気下で生物学的処理を
施した後、好気性雰囲気下で生物学的処理を施す。In another method for treating coffee wastewater of the present invention, the biological treatment under the anaerobic atmosphere is performed by a UASB method. In still another method for treating coffee wastewater of the present invention, further, after subjecting the water to be treated to biological treatment in an anaerobic atmosphere in the reaction tank, biological treatment is performed in an aerobic atmosphere. .
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施の形態につい
て図面を参照しながら詳細に説明する。図１は本発明の
実施の形態におけるコーヒー排水処理装置の概念図であ
る。図において、１１は原水調整槽であり、コーヒーの
製造に伴って生じた設備排水が、ラインＬ１を介して前
記原水調整槽１１に被処理水として供給される。なお、
前記設備排水は、コーヒー豆、破砕粒、砂糖、ミルク等
を収容する各収容桶を洗浄したときに生じる。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a conceptual diagram of a coffee wastewater treatment device according to an embodiment of the present invention. In the figure, reference numeral 11 denotes a raw water adjusting tank, and equipment wastewater generated during the production of coffee is supplied to the raw water adjusting tank 11 via a line L1 as water to be treated. In addition,
The facility drainage is generated when each of the storage tubs containing coffee beans, crushed granules, sugar, milk and the like is washed.
【００１１】次に、前記被処理水は、ラインＬ２を介し
て第１の反応槽としての嫌気処理槽１２に送られる。そ
して、該嫌気処理槽１２において、前記被処理水に、嫌
気性雰囲気下でメタン発酵法の一つであるＵＡＳＢ法に
よる生物学的処理が施され、被処理水に含有されるＣＯ
Ｄ、ＢＯＤ等の有機性物質がメタン発酵させられてメタ
ンガスに変換される。なお、該メタンガスは、図示しな
いラインを介して排出され、燃料等として使用される。Next, the water to be treated is sent to an anaerobic treatment tank 12 as a first reaction tank via a line L2. Then, in the anaerobic treatment tank 12, the water to be treated is subjected to a biological treatment by a UASB method, which is one of the methane fermentation methods, under an anaerobic atmosphere, so that CO contained in the water to be treated is removed.
Organic substances such as D and BOD are subjected to methane fermentation and converted into methane gas. The methane gas is discharged through a line (not shown) and is used as fuel or the like.
【００１２】前記ＵＡＳＢ法においては、メタン菌を自
己固定化して形成された固定化菌、すなわち、グラニュ
ールメタン菌が使用され、嫌気処理槽１２内にグラニュ
ール汚泥ゾーンが形成される。したがって、グラニュー
ルメタン菌は液面に浮上することがなく、処理水と共に
コーヒー排水処理装置の外に流出することがない。続い
て、被処理水中に残留した有機性物質に更に好気処理を
施すために、被処理水はラインＬ３を介して第２の反応
槽としての好気処理槽１３に送られる。そして、該好気
処理槽１３においては、前記嫌気処理槽１２内における
メタン発酵法による生物学的処理では処理することがで
きなかった有機性物質が好気処理によって分解される。In the UASB method, immobilized bacteria formed by self-immobilizing methane bacteria, that is, granule methane bacteria, are used, and a granule sludge zone is formed in the anaerobic treatment tank 12. Therefore, the granule methane bacteria do not float on the liquid surface and do not flow out of the coffee wastewater treatment apparatus together with the treated water. Subsequently, the water to be treated is sent to an aerobic treatment tank 13 as a second reaction tank via a line L3 in order to further perform aerobic treatment on the organic substance remaining in the water to be treated. Then, in the aerobic treatment tank 13, organic substances that could not be treated by the biological treatment using the methane fermentation method in the anaerobic treatment tank 12 are decomposed by the aerobic treatment.
【００１３】次に、被処理水は、ラインＬ４を介して混
和槽１４に供給され、該混和槽１４内において被処理水
に無機凝集剤（例えば、ＦｅＣｌ3 ）が加えられて被処
理水と無機凝集剤とが混和され、色度成分が凝集され
る。そのために、前記混和槽１４内には攪拌（かくは
ん）器１８が配設され、該攪拌器１８は図示しないモー
タによって回転させられる。そして、前記混和槽１４か
ら排出された被処理水は凝集槽１５に送られる。Next, the water to be treated is supplied to a mixing tank 14 via a line L4, and an inorganic coagulant (for example, FeCl 3 ) is added to the water to be treated in the mixing tank 14 so that the water to be treated is mixed with the water. An inorganic coagulant is mixed and the chromaticity component is coagulated. For this purpose, a stirrer (stirring device) 18 is provided in the mixing tank 14, and the stirrer 18 is rotated by a motor (not shown). Then, the water to be treated discharged from the mixing tank 14 is sent to the coagulation tank 15.
【００１４】該凝集槽１５においては、前記被処理水に
凝集ポリマーが加えられ、被処理水はフロック化する。
また、前記凝集槽１５内には攪拌器１９が配設され、該
攪拌器１９は図示しないモータによって回転させられ
る。そして、前記凝集槽１５から排出された被処理水は
ラインＬ５を介して凝集沈澱槽２１に送られ、該凝集沈
澱槽２１において被処理水に凝集沈澱処理が施され、被
処理水は固液分離させられて色度成分が除去される。ま
た、固液分離させられた被処理水のうちの液体部分は処
理水としてラインＬ６を介して砂ろ過槽２２に送られ、
固体部分は凝沈汚泥としてラインＬ７を介して汚泥貯留
槽２３に送られる。なお、前記凝集沈澱槽２１には図示
しないレーキが配設され、該レーキを回転させることに
よって凝集沈澱槽２１の底に沈澱した凝沈汚泥を掻
（か）き取ることができるようになっている。In the flocculation tank 15, a flocculated polymer is added to the water to be treated, and the water to be treated is flocculated.
Further, a stirrer 19 is provided in the coagulation tank 15, and the stirrer 19 is rotated by a motor (not shown). The water to be treated discharged from the flocculation tank 15 is sent to the flocculation / sedimentation tank 21 via the line L5, where the water to be treated is subjected to flocculation and sedimentation in the flocculation / sedimentation tank 21. Separation removes the chromaticity component. In addition, the liquid portion of the water to be treated that has been subjected to the solid-liquid separation is sent as treated water to the sand filtration tank 22 via the line L6,
The solid portion is sent to the sludge storage tank 23 via the line L7 as coagulated sludge. A rake (not shown) is provided in the coagulating sedimentation tank 21. By rotating the lake, the coagulated sludge settled on the bottom of the coagulation sedimentation tank 21 can be scraped off. I have.
【００１５】そして、前記砂ろ過槽２２に送られた処理
水は、砂ろ過槽２２においてＳＳ分（懸濁物質）が除去
された後、ラインＬ８を介して活性炭吸着塔２５に送ら
れ、該活性炭吸着塔２５において、残留している色度成
分及びＣＯＤ成分の吸着処理が行われる。なお、活性炭
吸着塔２５は、通常、２〜３塔配設され、処理水はシリ
ーズ通水される。その後、処理水は図示しない処理水槽
に送られ、滅菌された後、処理水槽から放流される。Then, the treated water sent to the sand filtration tank 22 is sent to the activated carbon adsorption tower 25 via a line L8 after the SS (suspended matter) is removed in the sand filtration tank 22. In the activated carbon adsorption tower 25, the remaining chromaticity component and COD component are adsorbed. In addition, the activated carbon adsorption tower 25 is normally provided in two or three towers, and treated water is passed through the series. Thereafter, the treated water is sent to a treated water tank (not shown), sterilized, and then discharged from the treated water tank.
【００１６】ところで、飲料用のコーヒーを製造する場
合、焙煎されたコーヒー豆をクラッシングして破砕粒と
し、該破砕粒を図示しない抽出釜に入れ、抽出釜に蒸気
を通すことによってコーヒー抽出液を抽出するようにし
ている。そして、抽出されたコーヒー抽出液は、必要に
応じて砂糖、ミルク等が添加された後、図示しない缶、
ペットボトル等に充填される。コーヒー抽出液が抽出さ
れた後の破砕粒は水分を含有するコーヒー粕として排出
される。In the case of producing coffee for beverages, the roasted coffee beans are crushed into crushed granules, the crushed granules are put into an extraction pot (not shown), and steam is passed through the extraction pot to extract coffee. The liquid is extracted. Then, the extracted coffee extract is added with sugar, milk and the like as needed, and then cans (not shown)
Filled in PET bottles. The crushed granules after the coffee extract is extracted are discharged as coffee grounds containing water.
【００１７】この場合、該コーヒー粕を図示しないスク
リュープレス等による水切りによって、固形成分とコー
ヒー粕圧搾ろ液とに分離させるようにしているが、該コ
ーヒー粕圧搾ろ液には油成分が多く含有される。そこ
で、前記コーヒー粕圧搾ろ液を原水調整槽１１には供給
せず、ろ液ピット３１に蓄えた後、ラインＬ９を介して
前記汚泥貯留槽２３に送り、汚泥貯留槽２３においてコ
ーヒー粕圧搾ろ液と凝沈汚泥とを混合し攪拌するように
している。そのために、前記汚泥貯留槽２３内には攪拌
器３２が配設され、該攪拌器３２は図示しないモータに
よって回転させられる。In this case, the coffee grounds is separated into a solid component and a coffee grounds compressed filtrate by draining with a screw press or the like (not shown). Is done. Therefore, the coffee cake press filtrate is not supplied to the raw water adjusting tank 11, but is stored in the filtrate pit 31, and then sent to the sludge storage tank 23 via the line L9. The liquid and the coagulated sludge are mixed and stirred. For this purpose, a stirrer 32 is provided in the sludge storage tank 23, and the stirrer 32 is rotated by a motor (not shown).
【００１８】その後、コーヒー粕圧搾ろ液と凝沈汚泥と
の混合物は、ラインＬ１０を介して脱水機３３に送ら
れ、該脱水機３３によって脱水され、脱水ろ液と脱水ケ
ーキとに分離させられる。そして、脱水ケーキは、ライ
ンＬ１１を介してコンテナ３５に送られ、コーヒー排水
処理装置の外に排出される。一方、脱水ろ液は、ライン
Ｌ１２を介して原水調整槽１１に送られる。Thereafter, the mixture of the coffee cake press filtrate and the coagulated sludge is sent to a dehydrator 33 via a line L10, dewatered by the dehydrator 33, and separated into a dehydrated filtrate and a dewatered cake. . Then, the dehydrated cake is sent to the container 35 via the line L11, and is discharged outside the coffee wastewater treatment device. On the other hand, the dehydrated filtrate is sent to the raw water adjusting tank 11 via the line L12.
【００１９】この場合、前記コーヒー粕圧搾ろ液中の油
成分は、凝沈汚泥と混合される間に凝沈汚泥に付着し、
脱水機３３によって脱水されて脱水ケーキと共に排出さ
れる。したがって、脱水ろ液中に含有される油成分の量
が極めて少なくなり、原水調整槽１１内の被処理水中の
油成分も少なくなるので、グラニュールメタン菌に油成
分が付着するのが抑制される。その結果、グラニュール
メタン菌の活性が低下するのを防止することができるの
で、生物学的処理を継続することができる。In this case, the oil component in the coffee cake press filtrate adheres to the coagulated sludge while being mixed with the coagulated sludge,
The water is dehydrated by the dehydrator 33 and discharged together with the dewatered cake. Therefore, the amount of the oil component contained in the dehydrated filtrate is extremely reduced, and the amount of the oil component in the water to be treated in the raw water adjusting tank 11 is also reduced, so that the adhesion of the oil component to the granule methane bacteria is suppressed. You. As a result, the activity of the granule methane bacteria can be prevented from being reduced, so that the biological treatment can be continued.
【００２０】図３は本発明の実施の形態における油成分
の含有量を説明する図である。この場合、コーヒー粕圧
搾ろ液に含有される油成分はｎ−ヘキサン抽出物質とし
て測定したものである。ｎ−ヘキサン抽出物質が４８９
３〔ｍｇ／ｌ〕含有されるコーヒー粕圧搾ろ液と凝沈汚
泥との混合物の混合割合を１：６としたとき、前記汚泥
貯留槽２３（図１）において、攪拌時間を長くするのに
伴って混合液の脱水後の脱水ろ液中のｎ−ヘキサン抽出
物質が急激に減少し、１００〔ｍｇ／ｌ〕以下になるこ
とが分かる。FIG. 3 is a diagram for explaining the content of the oil component in the embodiment of the present invention. In this case, the oil component contained in the coffee cake press filtrate was measured as an n-hexane extract. n-hexane extractable material is 489
When the mixing ratio of the mixture of the coffee grounds press filtrate and coagulated sludge containing 3 [mg / l] is 1: 6, it is necessary to increase the stirring time in the sludge storage tank 23 (FIG. 1). Accordingly, it can be seen that the amount of the n-hexane extract in the dehydrated filtrate after dehydration of the mixture is rapidly reduced to 100 mg / l or less.
【００２１】図４は本発明の実施の形態におけるコーヒ
ー排水処理装置の特性図である。なお、図において、横
軸に経過時間を、縦軸にグラニュール汚泥ゾーンの厚さ
を採ってある。この場合、被処理中の、油成分としての
ｎ−ヘキサン抽出物質の含有量が１００〔ｍｇ／ｌ〕以
下であると、時間が経過してもグラニュール汚泥ゾーン
の厚さが薄くなることはない。FIG. 4 is a characteristic diagram of the coffee wastewater treatment apparatus according to the embodiment of the present invention. In the figure, the horizontal axis indicates the elapsed time, and the vertical axis indicates the thickness of the granular sludge zone. In this case, if the content of the n-hexane extractable material as an oil component during the treatment is 100 [mg / l] or less, the thickness of the granule sludge zone may become thin even after a lapse of time. Absent.
【００２２】なお、本発明は前記実施の形態に限定され
るものではなく、本発明の趣旨に基づいて種々変形させ
ることが可能であり、それらを本発明の範囲から排除す
るものではない。It should be noted that the present invention is not limited to the above-described embodiment, but can be variously modified based on the gist of the present invention, and they are not excluded from the scope of the present invention.
【００２３】[0023]
【発明の効果】以上詳細に説明したように、本発明によ
れば、コーヒー排水処理方法においては、コーヒーの製
造に伴って生じた設備排水を被処理水として反応槽に供
給し、該反応槽において、前記被処理水に嫌気性雰囲気
下で生物学的処理を施し、前記生物学的処理を施した後
の被処理水に凝集沈澱処理を施して、処理水と凝沈汚泥
とに分離させ、コーヒーの製造に伴って生じたコーヒー
粕圧搾ろ液と前記凝沈汚泥とを混合して脱水し、脱水ろ
液を前記被処理水に混入させる。As described above in detail, according to the present invention, in the method for treating coffee wastewater, equipment wastewater generated during the production of coffee is supplied to the reaction tank as water to be treated. In the above, the water to be treated is subjected to a biological treatment under an anaerobic atmosphere, the water to be treated after the biological treatment is subjected to a coagulation sedimentation treatment, and separated into treated water and coagulated sludge. Then, the coffee cake press filtrate generated during the production of coffee and the coagulated sludge are mixed and dewatered, and the dewatered filtrate is mixed into the water to be treated.
【００２４】この場合、前記コーヒー粕圧搾ろ液中の油
成分は、凝沈汚泥と混合される間に凝沈汚泥に付着し、
脱水に伴って脱水ケーキと共に排出される。したがっ
て、脱水ろ液に含有される油成分の量が極めて少なくな
り、反応槽内の被処理水中の油成分が少なくなるので、
グラニュールメタン菌に油成分が付着するのが抑制され
る。In this case, the oil component in the coffee cake press filtrate adheres to the coagulated sludge while being mixed with the coagulated sludge,
It is discharged together with the dehydrated cake during dehydration. Therefore, the amount of the oil component contained in the dehydrated filtrate is extremely small, and the oil component in the water to be treated in the reaction tank is reduced.
The oil component is prevented from adhering to the granule methane bacteria.
【００２５】その結果、グラニュールメタン菌の活性が
低下するのを防止することができるので、生物学的処理
を継続することができる。As a result, it is possible to prevent the activity of the granule methane bacteria from decreasing, so that the biological treatment can be continued.
【図１】本発明の実施の形態におけるコーヒー排水処理
装置の概念図である。FIG. 1 is a conceptual diagram of a coffee wastewater treatment device according to an embodiment of the present invention.
【図２】コーヒー粕圧搾ろ液を油成分が分離されないま
ま設備排水と共に処理したときのコーヒー排水処理装置
の特性図である。FIG. 2 is a characteristic diagram of a coffee wastewater treatment apparatus when a coffee cake press filtrate is processed together with equipment wastewater without separating oil components.
【図３】本発明の実施の形態における油成分の含有量を
説明する図である。FIG. 3 is a diagram illustrating a content of an oil component in the embodiment of the present invention.
【図４】本発明の実施の形態におけるコーヒー排水処理
装置の特性図である。FIG. 4 is a characteristic diagram of the coffee wastewater treatment device according to the embodiment of the present invention.
１２ 嫌気処理槽 １３ 好気処理槽 ２１ 凝集沈澱槽 ２３ 汚泥貯留槽 ３３ 脱水機 12 Anaerobic treatment tank 13 Aerobic treatment tank 21 Coagulation sedimentation tank 23 Sludge storage tank 33 Dehydrator
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平８−168791（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) C02F 3/12 C02F 3/28 C02F 3/30 ────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-8-16891 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) C02F 3/12 C02F 3/28 C02F 3 / 30
Claims (3)
備排水を被処理水として反応槽に供給し、（ｂ）該反応
槽において、前記被処理水に嫌気性雰囲気下で生物学的
処理を施し、（ｃ）前記生物学的処理を施した後の被処
理水に凝集沈澱処理を施して、処理水と凝沈汚泥とに分
離させ、（ｄ）コーヒーの製造に伴って生じたコーヒー
粕圧搾ろ液と前記凝沈汚泥とを混合して脱水し、（ｅ）
脱水ろ液を前記被処理水に混入させることを特徴とする
コーヒー排水処理方法。1. A facility wastewater generated during the production of coffee is supplied to a reaction tank as water to be treated. (B) In the reaction tank, the water to be treated is subjected to biological treatment under an anaerobic atmosphere. And (c) subjecting the water to be treated after the biological treatment to a coagulation and sedimentation treatment to separate it into treated water and coagulated sludge, and (d) produced with the production of coffee. Mixing the coffee cake press filtrate and the coagulated sludge and dewatering,
A method for treating coffee wastewater, comprising mixing a dehydrated filtrate with the water to be treated.
理はＵＡＳＢ法によって行われる請求項１に記載のコー
ヒー排水処理方法。2. The method according to claim 1, wherein the biological treatment under the anaerobic atmosphere is performed by a UASB method.
性雰囲気下で生物学的処理を施した後、好気性雰囲気下
で生物学的処理を施す請求項１に記載のコーヒー排水処
理方法。3. The method according to claim 1, wherein the water to be treated is subjected to a biological treatment in an anaerobic atmosphere and then to a biological treatment in an aerobic atmosphere in the reaction tank. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2294697A JP3111414B2 (en) | 1997-02-05 | 1997-02-05 | Coffee wastewater treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2294697A JP3111414B2 (en) | 1997-02-05 | 1997-02-05 | Coffee wastewater treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10216779A JPH10216779A (en) | 1998-08-18 |
| JP3111414B2 true JP3111414B2 (en) | 2000-11-20 |
Family
ID=12096795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2294697A Expired - Fee Related JP3111414B2 (en) | 1997-02-05 | 1997-02-05 | Coffee wastewater treatment method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3111414B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117185542A (en) * | 2023-09-18 | 2023-12-08 | 秦皇岛浩宇食品有限公司 | Beverage production is with useless water reuse device |
| CN117447029A (en) * | 2023-12-22 | 2024-01-26 | 深圳市家家分类科技有限公司 | Treatment method and treatment system for coffee wastewater |
-
1997
- 1997-02-05 JP JP2294697A patent/JP3111414B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10216779A (en) | 1998-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU8212498A (en) | Method and device for sewage treatment | |
| Inanc et al. | Colour removal from fermentation industry effluents | |
| JP3752603B2 (en) | Biofilm treatment method for wastewater | |
| JP3111414B2 (en) | Coffee wastewater treatment method | |
| JP3276139B2 (en) | Organic waste treatment method | |
| CN109179760B (en) | Recycling treatment process for kitchen sludge and rice residues | |
| EP1616842A1 (en) | Method of decolorizing pretreated wastewater from stock-farming | |
| JPH06237B2 (en) | Wastewater treatment method and apparatus | |
| JP3276138B2 (en) | Organic waste treatment | |
| JP4472154B2 (en) | Legume wastewater treatment method and legume wastewater treatment apparatus | |
| US3300401A (en) | Process for dewatering organic sludge which has been separated during treatment of waste water | |
| JP2684313B2 (en) | How to reduce organic sludge | |
| JP3759523B2 (en) | Livestock wastewater treatment method and apparatus | |
| JP3906323B2 (en) | Treatment method for highly concentrated waste liquid | |
| JP2000061498A (en) | Equipment for treatment of organic sludge | |
| JP2003181491A (en) | Method for decolorizing colored waste water | |
| RU2156749C1 (en) | Method of treating fat-containing waste waters | |
| JPH0565239B2 (en) | ||
| JPH0218919B2 (en) | ||
| JPH0218917B2 (en) | ||
| JPS57117400A (en) | Dehydration of excessive sludge | |
| JPH10328693A (en) | Biological treatment for waste liquid containing organic solid matter | |
| JPH0352700A (en) | Treatment of sewage of night soil system | |
| SU971827A1 (en) | Method for processing effluent precipitates | |
| JP3877482B2 (en) | Garbage disposal equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20000829 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20070922 Year of fee payment: 7 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20070922 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080922 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090922 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100922 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100922 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110922 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120922 Year of fee payment: 12 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120922 Year of fee payment: 12 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130922 Year of fee payment: 13 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |