JP6779530B2 - How to treat olive pomace - Google Patents
How to treat olive pomace Download PDFInfo
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- JP6779530B2 JP6779530B2 JP2018154371A JP2018154371A JP6779530B2 JP 6779530 B2 JP6779530 B2 JP 6779530B2 JP 2018154371 A JP2018154371 A JP 2018154371A JP 2018154371 A JP2018154371 A JP 2018154371A JP 6779530 B2 JP6779530 B2 JP 6779530B2
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- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/78—Recycling of wood or furniture waste
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Description
本発明は、オリーブ絞り粕の処理方法に関し、より詳しくは、オリーブ果実を原料として搾油する際に産出されるオリーブ絞り粕の処理方法に関する。 The present invention relates to a method for treating olive pomace, and more particularly to a method for treating olive pomace produced when oil is squeezed from olive fruits as a raw material.
オリーブオイルは、食用油や化粧品等に従来から使用されており、オリーブ果実を粉砕して絞ることにより生成される。オリーブオイルの生成と同時に、オリーブ果実の搾り粕である生オリーブ粕が大量に発生することから、この生オリーブ粕の処理方法として、特許文献１には、生オリーブ粕を撹拌下にて乾燥することにより、飼料となる乾燥オリーブ粕粉末を製造することが開示されている。 Olive oil has been conventionally used in cooking oil, cosmetics, etc., and is produced by crushing and squeezing olive fruits. At the same time as the production of olive oil, a large amount of raw olive pomace, which is squeezed olive fruit, is generated. Therefore, as a method for treating this raw olive pomace, Patent Document 1 describes that raw olive pomace is dried under stirring. Thereby, it is disclosed that a dried olive meal powder as a feed is produced.
ところが、上記従来の生オリーブ粕の処理方法は、生オリーブ粕に大量の水分が含まれているため、生オリーブ粕を撹拌下にて乾燥する工程に長時間を要するという問題があった。 However, the above-mentioned conventional method for treating raw olive lees has a problem that it takes a long time to dry the raw olive lees under stirring because the raw olive lees contain a large amount of water.
そこで、本発明は、オリーブ絞り粕の処理を迅速に効率よく行うことができるオリーブ絞り粕の処理方法の提供を目的とする。 Therefore, an object of the present invention is to provide a method for treating olive pomace, which can quickly and efficiently treat olive pomace.
本発明の前記目的は、オリーブ果実を原料として搾油する際に産出されるオリーブ絞り粕を処理する方法であって、オリーブ絞り粕を脱水機により脱水する脱水工程と、前記脱水機からの排水を木質チップと混合して発酵させることにより堆肥を生成する発酵工程とを備えるオリーブ絞り粕の処理方法により達成される。 The object of the present invention is a method for treating olive pomace produced when oil is squeezed from olive fruit as a raw material, in which a dehydration step of dehydrating olive pomace with a dehydrator and drainage from the dehydrator are performed. It is achieved by a method of treating olive pomace, which comprises a fermentation step of producing compost by mixing and fermenting with wood chips.
このオリーブ絞り粕の処理方法において、前記木質チップは、オリーブ樹の剪定枝を含む材料から生成されることが好ましい。 In this method of treating olive pomace, the wood chips are preferably produced from a material containing pruned branches of an olive tree.
また、前記脱水機は、スクリュープレス機であることが好ましい。 Further, the dehydrator is preferably a screw press machine.
本発明によれば、オリーブ絞り粕の処理を迅速に効率よく行うことができるオリーブ絞り粕の処理方法を提供することができる。 According to the present invention, it is possible to provide a method for treating olive pomace, which can quickly and efficiently treat olive pomace.
以下、本発明の実施の形態について、添付図面を参照して説明する。図１は、本発明の一実施形態に係るオリーブ絞り粕の処理方法を説明するための概略工程図である。図１に示すように、本実施形態のオリーブ絞り粕の処理方法は、オリーブ果実を原料として搾油する際に産出されるオリーブ絞り粕を処理する方法であって、オリーブ絞り粕を脱水機により脱水する脱水工程（ステップＳ１）と、脱水機からの排水を木質チップと混合して発酵させることにより堆肥を生成する発酵工程（ステップＳ２）とを備えている。 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a schematic process diagram for explaining a method for treating olive pomace according to an embodiment of the present invention. As shown in FIG. 1, the method for treating olive pomace of the present embodiment is a method for treating olive pomace produced when oil is squeezed from olive fruits, and the olive pomace is dehydrated by a dehydrator. It is provided with a dehydration step (step S1) and a fermentation step (step S2) of producing compost by mixing the wastewater from the dehydrator with wood chips and fermenting it.
すなわち、オリーブ絞り粕を生成するための前工程として、オリーブ果実を原料として搾油する搾油工程が行われる（ステップＳ０）。搾油工程は、従来と同様の方法で行うことができ、例えば、オリーブ果実を粉砕して得られたペースト状物から採油した粗オリーブ油を精製することにより、オリーブオイルを製造する。オリーブ絞り粕は、このようなオリーブオイルの製造方法における副産物として産出される。 That is, as a pre-step for producing olive pomace, an oil-squeezing step of squeezing olive fruits as a raw material is performed (step S0). The oil squeezing step can be carried out in the same manner as in the conventional method. For example, olive oil is produced by refining crude olive oil collected from a paste obtained by crushing olive fruits. Olive pomace is produced as a by-product of such methods of producing olive oil.
脱水工程は、生成されたオリーブ絞り粕を、脱水機を用いて脱水する。脱水機は、スクリュープレス機、ベルトプレス機、ロータリープレス機、遠心脱水機など種々のタイプを使用することが可能であるが、特にスクリュープレス機を使用することが好ましく、オリーブ絞り粕をシリンダ内でスクリューの作動によって加圧して圧搾することにより、大量のオリーブ搾り粕を高い脱水率で脱水し、外部に排水する。脱水工程は、搾油工程によるオリーブ絞り粕の生成直後に行うことも可能であるが、脱水率を高める観点から、屋外等で所定期間（例えば、１日〜７日）放置した後に開始することが好ましい。脱水機の排水の成分分析結果の一例を、図２に示す。 In the dehydration step, the produced olive pomace is dehydrated using a dehydrator. As the dehydrator, various types such as a screw press, a belt press, a rotary press, and a centrifugal dehydrator can be used, but it is particularly preferable to use a screw press, and olive squeezed cake is placed in the cylinder. By pressurizing and squeezing by operating the screw, a large amount of olive squeezed lees is dehydrated at a high dehydration rate and drained to the outside. The dehydration step can be performed immediately after the olive squeezed lees are produced by the oil squeezing step, but from the viewpoint of increasing the dehydration rate, it may be started after being left outdoors for a predetermined period (for example, 1 to 7 days). preferable. An example of the component analysis result of the wastewater of the dehydrator is shown in FIG.
発酵工程は、脱水機の排水を木質チップと混合することにより木質チップに吸収させ、枯草菌や糸状菌などの好気性菌を添加して空気の存在下に木質チップを発酵させることにより、堆肥を生成する。排水にはオリーブオイルの油分が若干（例えば、１％〜２％）含まれているため、好気性菌により木質チップが分解される際に発生する発酵熱が高まり、発酵が促進されると共に水分の蒸散が促される。したがって、排水を大量に消費できると共に、堆肥の生成を短時間で行うことができる。木質チップに吸収させる排水の割合は、例えば、全体重量に対して４０〜６０％程度とすることが好ましい。 In the fermentation process, the wastewater from the dehydrator is mixed with the wood chips to be absorbed by the wood chips, and aerobic bacteria such as Bacillus subtilis and filamentous fungi are added to ferment the wood chips in the presence of air to compost. To generate. Since the wastewater contains a small amount of olive oil (for example, 1% to 2%), the heat of fermentation generated when wood chips are decomposed by aerobic bacteria increases, which promotes fermentation and moisture. Evaporation is promoted. Therefore, a large amount of wastewater can be consumed and compost can be produced in a short time. The ratio of wastewater absorbed by the wood chips is preferably about 40 to 60% with respect to the total weight, for example.
排水と混合する木質チップは、特に限定されるものではなく、例えば、剪定材、間伐材、製材端材、建築廃材、バーク等を挙げることができるが、オリーブ樹の剪定枝を含むことが好ましい。オリーブ樹には油分が多く含まれているため、排水との混合により発酵熱の上昇が促されて、堆肥の生成効率をより高めることができると共に、剪定枝を有効に活用することができる。 The wood chips to be mixed with the wastewater are not particularly limited, and examples thereof include pruned wood, thinned wood, sawn timber, construction waste, and bark, but it is preferable to include pruned branches of olive trees. .. Since olive trees contain a large amount of oil, mixing with wastewater promotes an increase in fermentation heat, which can further increase the efficiency of compost production and effectively utilize pruned branches.
一方、脱水後のオリーブ絞り粕に対しては、攪拌下にて乾燥することより乾燥オリーブ粕粉末を生成する撹拌乾燥工程が行われる（ステップＳ３）。生成された乾燥オリーブ粕粉末は、例えば上記特許文献１に開示されているように、飼料として利用することができる。本実施形態のオリーブ絞り粕の処理方法は、オリーブ果実を原料として搾油する際に産出されるオリーブ絞り粕（生オリーブ粕）を、そのまま攪拌下にて乾燥するのではなく、オリーブ絞り粕に含まれる水分の大部分を脱水工程において脱水した後に攪拌下にて乾燥するため、乾燥オリーブ粕粉末の生成を短時間で行うことができ、大量のオリーブ絞り粕を迅速に処理することができる。 On the other hand, the olive pomace after dehydration is subjected to a stirring and drying step of producing dried olive pomace powder by drying under stirring (step S3). The produced dried olive meal powder can be used as a feed, for example, as disclosed in Patent Document 1. In the method for treating olive pomace of the present embodiment, olive pomace (raw olive pomace) produced when oil is squeezed from olive fruits is not dried as it is under stirring, but is contained in the olive pomace. Since most of the water content is dehydrated in the dehydration step and then dried under stirring, the dried olive pomace powder can be produced in a short time, and a large amount of olive pomace can be processed quickly.
Ｓ０ 搾油工程
Ｓ１ 脱水工程
Ｓ２ 発酵工程
Ｓ３ 撹拌乾燥工程
S0 Oil extraction process S1 Dehydration process S2 Fermentation process S3 Stirring drying process
Claims (3)
オリーブ絞り粕を脱水機により脱水する脱水工程と、
前記脱水機からの排水を木質チップと混合して発酵させることにより堆肥を生成する発酵工程とを備えるオリーブ絞り粕の処理方法。 It is a method of processing olive pomace produced when oil is squeezed from olive fruits.
A dehydration process that dehydrates olive pomace with a dehydrator,
A method for treating olive squeezed lees, which comprises a fermentation step of producing compost by mixing wastewater from the dehydrator with wood chips and fermenting the wastewater.
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| JP6779530B2 true JP6779530B2 (en) | 2020-11-04 |
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| JP4728617B2 (en) * | 2004-09-28 | 2011-07-20 | 株式会社Ｉｗｄ | Method of composting natural wood and additive-free food residue |
| JP2009051709A (en) * | 2007-08-29 | 2009-03-12 | Gs Koso:Kk | Liquid fertilizer, liquid stock feed, and methods for producing them |
| JP5120616B2 (en) * | 2007-12-20 | 2013-01-16 | 小豆島ヘルシーランド株式会社 | Method for producing olive medicinal liquor |
| JP2010099643A (en) * | 2008-09-26 | 2010-05-06 | Katsumi Iida | Compression deliquoring device |
| JP5222124B2 (en) * | 2008-12-22 | 2013-06-26 | 三井造船環境エンジニアリング株式会社 | Production method of feed or fertilizer using fermentation residue |
| JP2012125210A (en) * | 2010-12-16 | 2012-07-05 | Masaki Ishii | Feed containing dried olive residue powder |
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