JP2008207131A - Recovery system of resource from packaging material waste - Google Patents
Recovery system of resource from packaging material waste Download PDFInfo
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- JP2008207131A JP2008207131A JP2007048111A JP2007048111A JP2008207131A JP 2008207131 A JP2008207131 A JP 2008207131A JP 2007048111 A JP2007048111 A JP 2007048111A JP 2007048111 A JP2007048111 A JP 2007048111A JP 2008207131 A JP2008207131 A JP 2008207131A
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- aluminum foil
- packaging material
- aluminum
- dry distillation
- material waste
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- 239000005022 packaging material Substances 0.000 title claims abstract description 37
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- 239000002699 waste material Substances 0.000 title claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 60
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000011888 foil Substances 0.000 claims abstract description 43
- 238000000197 pyrolysis Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 239000000446 fuel Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000003763 carbonization Methods 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 5
- 235000013336 milk Nutrition 0.000 description 5
- 239000008267 milk Substances 0.000 description 5
- 210000004080 milk Anatomy 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000021056 liquid food Nutrition 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- WNQQFQRHFNVNSP-UHFFFAOYSA-N [Ca].[Fe] Chemical compound [Ca].[Fe] WNQQFQRHFNVNSP-UHFFFAOYSA-N 0.000 description 1
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009897 systematic effect 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Processing Of Solid Wastes (AREA)
- Coke Industry (AREA)
- Fuel Cell (AREA)
Abstract
Description
ジュースや牛乳等の液体食品等の容器などに使用される包装材の廃棄物から各種資源を回収する資源回収システムに関し、特にアルミ箔層が積層された包装材から紙やアルミ箔を資源として回収するのみならず、回収したアルミ箔を燃料とした水素エネルギー供給システムに係る。 With regard to a resource recovery system that recovers various resources from waste packaging materials used in containers such as liquid foods such as juice and milk, especially paper and aluminum foil are recovered from packaging materials with aluminum foil layers laminated. In addition, it relates to a hydrogen energy supply system using recovered aluminum foil as fuel.
ジュースや牛乳等の液体食品などを充填する容器に用いる包装材には、紙基材のもの、紙層に樹脂を積層したラミネート紙製のもの、紙層と樹脂中間層とアルミ箔を積層したもの等が、保存期間、バリア性、遮光性等を考慮してそれぞれの目的に応じて使用されている。
この種の包装材からなる容器が使用された後は、自治体や店頭などで回収され再生紙として利用されている。
Packaging materials used for containers filled with liquid foods such as juice and milk are those made of paper base, those made of laminated paper with a resin layered on a paper layer, paper layer, resin intermediate layer and aluminum foil. In consideration of the storage period, barrier properties, light shielding properties, etc., those are used for each purpose.
After a container made of this type of packaging material is used, it is collected by local governments and stores and used as recycled paper.
アルミ箔を積層した包装材にあっては、例えば特許文献１に示すように、紙基材を回収する技術はあっても、パルプ等として紙層を回収した後の残渣にはアルミ箔にポリエチレン等の樹脂層が付着しているので、これまで廃棄物として埋め立て処理する方法しかなく、それが原因で容器そのもののリサイクル化が他の容器に比較して遅れているのが実情であった。 In the packaging material in which aluminum foil is laminated, for example, as shown in Patent Document 1, there is a technique for recovering a paper base material, but the residue after recovering a paper layer as pulp or the like is made of polyethylene on aluminum foil. Since the resin layer such as the above has adhered, there has been only a method for landfill treatment as waste so far, and the actual situation is that the recycling of the container itself is delayed compared to other containers.
本発明は、上記背景技術に鑑みて、アルミ箔積層タイプの回収包装材から効率的にアルミ箔資源を回収できる回収方法及び回収システムの提供を目的とし、さらには、廃棄物を利用した新エネルギー技術の提供と環境低負荷型社会の構築に貢献することを目的とする。 In view of the above-mentioned background art, the present invention aims to provide a recovery method and a recovery system capable of efficiently recovering aluminum foil resources from an aluminum foil laminated type recovery packaging material, and further, a new energy using waste. The purpose is to contribute to the provision of technology and the establishment of a society with a low environmental impact.
アルミ缶等のようにある程度厚みのあるアルミ廃棄物にあっては、加熱溶解して回収することが可能であるがアルミ箔のような非常に薄いものはかさ高く、加熱時に酸化したり、紙資源回収後の残渣に水分が含有していて加熱時に水と反応することから、単なる加熱方法では回収率が低くく、しかも溶解するには融点以上の高温加熱しなければならないためにアルミは水分との反応性が高く危険な作業でもあった。 In the case of aluminum waste that is thick to some extent, such as aluminum cans, it can be recovered by heating and melting. However, very thin items such as aluminum foil are bulky and are oxidized during heating, Since the residue after resource recovery contains water and reacts with water during heating, the recovery rate is low with a simple heating method, and aluminum must be heated to a melting point or higher to dissolve it. It was a dangerous work with high reactivity.
そこで発明者らは、種々、検討した結果、還元条件下あるいは貧酸素条件下で加熱してやればアルミ箔の酸化を抑えることができることが判明し、本発明に至った。
即ち、本発明に係る包装材廃棄物からのアルミ資源回収方法は、アルミ箔層が積層されている包装材の廃棄物を乾留処理してアルミ箔を回収することを特徴とする。
ここで、アルミ箔層が積層されている包装材とはアルミ箔状の薄いアルミ層が積層あるいは蒸着されているシート状の材料一般が含まれる。
Thus, as a result of various studies, the inventors have found that the oxidation of the aluminum foil can be suppressed if heated under reducing conditions or under poor oxygen conditions, leading to the present invention.
That is, the method for recovering aluminum resources from packaging material waste according to the present invention is characterized in that the packaging material waste on which the aluminum foil layer is laminated is subjected to dry distillation to recover the aluminum foil.
Here, the packaging material in which the aluminum foil layer is laminated includes a sheet-like material generally in which an aluminum foil-like thin aluminum layer is laminated or deposited.
バリア性が高く、常温流通を可能にした牛乳パック等の液体容器として、内側のアルミ箔層と接着性の樹脂中間層と外側の紙層とからなる包装材が広く普及している。
本発明者らは、この種の包装材の使用後の回収物（廃棄物）からシステマテックに再利用資源が回収できるシステムを構築できれば環境低負荷型社会の実現に繋がると思い、リサイクル技術の開発を進めてきた。
As liquid containers such as milk cartons that have a high barrier property and can be distributed at room temperature, packaging materials comprising an inner aluminum foil layer, an adhesive resin intermediate layer, and an outer paper layer are widely used.
The present inventors believe that if a system that can collect reused resources from the collected material (waste) after use of this type of packaging material can be constructed, it will lead to the realization of an environment-friendly society. Has been developing.
その結果、本発明に係る包装材廃棄物からの資源回収システムは、アルミ箔層と樹脂中間層と紙層とが積層されている包装材の廃棄物を回収する手段と、回収した包装材から紙層を回収する手段と、紙層を回収した包装材残渣を乾留処理してアルミ箔を回収する手段とを有していることを特徴とする。
この種の包装材は表側の紙層にさらにフイルムが積層されている場合もある。
上記包装材から紙資源を回収する手段としてはこれまで提案されてきた各種手段を用いることができる。
例えば、特許文献１に開示する手段を用いてもよいが、一般的には、数ｃｍ角の大きさに切断し、浸透水を用いてパルプとして回収している。
パルプが回収された残渣はアルミ箔にポリエチレン等の樹脂分が積層あるいは付着した状態になり、水分も多少含まれる。
次にこの紙層を回収した包装材残渣を乾留装置に投入する。
乾留により、アルミ箔に付着していた有機物は乾留ガス、液化物、炭化物に分離回収できる。
As a result, the resource recovery system from the packaging material waste according to the present invention includes a means for recovering the packaging material waste in which the aluminum foil layer, the resin intermediate layer, and the paper layer are laminated, and the recovered packaging material. It is characterized by having means for collecting the paper layer and means for collecting the aluminum foil by dry distillation treatment of the packaging material residue collected from the paper layer.
This type of packaging material may be further laminated with a film on the front paper layer.
Various means proposed so far can be used as means for collecting paper resources from the packaging material.
For example, although the means disclosed in Patent Document 1 may be used, it is generally cut into a size of several cm square and recovered as pulp using permeated water.
The residue from which the pulp is recovered is in a state where a resin component such as polyethylene is laminated or adhered to the aluminum foil, and some moisture is contained.
Next, the packaging material residue from which the paper layer has been collected is put into a dry distillation apparatus.
By organic distillation, the organic matter adhering to the aluminum foil can be separated and recovered into dry distillation gas, liquefied product, and carbide.
紙層を回収した包装材残渣を乾留処理すると、アルミ箔に炭化物が付着した状態にはなるが炭化物の量は少なく、純度の比較的高いアルミ資源として回収できる。
この回収したアルミ箔とアルカリ性溶液とを反応させると高純度の水素を得ることができる。
従って乾留処理にて回収したアルミ箔は水素エネルギーを得る手段の優れた燃料（原料）になる。
アルミ箔を水素発生プラントまで輸送して、水素燃料電池の水素源として用いることもでき、またアルミの溶解プロセスを組み込んだ燃料電池にすると、アルミ箔は比表面積が大きく、そのまま、水素型燃料電池の燃料としても用いることができる。
When the packaging material residue from which the paper layer is recovered is subjected to dry distillation treatment, the carbide is attached to the aluminum foil, but the amount of the carbide is small and can be recovered as a relatively high purity aluminum resource.
Highly pure hydrogen can be obtained by reacting the recovered aluminum foil with an alkaline solution.
Therefore, the aluminum foil recovered by the dry distillation process becomes a fuel (raw material) with an excellent means for obtaining hydrogen energy.
Aluminum foil can be transported to a hydrogen generation plant and used as a hydrogen source for a hydrogen fuel cell. When a fuel cell incorporating an aluminum melting process is used, the aluminum foil has a large specific surface area, and remains a hydrogen fuel cell. It can also be used as a fuel.
アルミ箔を水酸化ナトリウムや水酸化カリウム等のアルカリ溶液に溶解すると溶解液から水酸化アルミニウムとして資源回収できるので回収された水酸化アルミニウムは純度が高く、凝集剤やセラミックス原料として再利用できる。 When aluminum foil is dissolved in an alkali solution such as sodium hydroxide or potassium hydroxide, resources can be recovered from the solution as aluminum hydroxide, so that the recovered aluminum hydroxide has high purity and can be reused as a flocculant or a ceramic raw material.
本発明においては、アルミ箔を積層した包装材、あるいはアルミを蒸着した包装材の廃棄物から紙層が存在する場合にはその紙層を回収した残渣物を乾留処理することで高純度のアルミ箔を効率よく回収することができる。
また、包装材の回収手段、パルプの回収手段、乾留によるアルミ箔の回収手段、アルミ箔を燃料とした水素型燃料電池、水酸化アルミ回収手段等を輸送システムに組み込みシステマテックに結合させることにより、環境低負荷型社会の構築に貢献できる。
In the present invention, when a paper layer is present from packaging material laminated with aluminum foil or packaging material deposited with aluminum, high-purity aluminum is obtained by subjecting the residue collected from the paper layer to dry distillation. The foil can be collected efficiently.
Also, by incorporating packaging material recovery means, pulp recovery means, aluminum foil recovery means by dry distillation, hydrogen fuel cell using aluminum foil as fuel, aluminum hydroxide recovery means, etc. into the transport system and combined with Systematic , Can contribute to the construction of a low environmental impact society.
本発明において特徴となる乾留条件をまず初めに検討した。
（１）試験品として容器内側アルミ箔の牛乳パックから湿式でパルプ分を回収した残渣（図２）の内、パルプ繊維を除去したもの（推定含水率２０％）、発生残渣そのまま（推定含水率４０％）の２種を用いた。
（２）乾留装置は、株式会社北日本テクノス製 カルボ３００Ｒ（３００Ｉ回転式乾留釜）を使用した。
乾留条件は図３の表１のとおりである。
（３）蛍光Ｘ線分析は、乾留後の試料について金属成分の分析を行った。
使用した装置は、パナリティカル社製 ＭａｇｉＸＰｒｏである。
試料をサンプルホルダーに入れ、Ｘ線照射径２０ｍｍで定性分析（測定元素範囲：Ｂ〜Ｕ）を行い、その結果を基に付属アプリケーションにより金属元素別に半定量を行った。
（４）炭化物残分の測定は、乾留後の試料に残る炭化物量を求めるため、試料約３ｇを釉薬付き磁性蒸発皿に取り、電気炉で空気中６００℃で２時間加熱した。
加熱前後の重量変化から炭化物残分を求めた。
First, the carbonization conditions characteristic of the present invention were studied.
(1) Among the residues (Fig. 2) obtained by collecting the pulp content wet from the milk pack of the aluminum foil inside the container as a test product, the pulp fiber is removed (estimated moisture content 20%), the generated residue as it is (estimated moisture content 40) %) Was used.
(2) The carbonization apparatus used was Carbo 300R (300I rotary distillation tank) manufactured by Kita Nippon Technos Co., Ltd.
The dry distillation conditions are as shown in Table 1 of FIG.
(3) The fluorescent X-ray analysis analyzed the metal component about the sample after dry distillation.
The apparatus used is MagiXPro manufactured by Panaritical.
The sample was put in a sample holder, and qualitative analysis (measurement element range: B to U) was performed with an X-ray irradiation diameter of 20 mm. Based on the result, semi-quantification was performed for each metal element by an attached application.
(4) In order to determine the amount of carbide remaining in the sample after dry distillation, about 3 g of the sample was taken in a magnetic evaporating dish with glaze and heated in an electric furnace at 600 ° C. for 2 hours.
The carbide residue was determined from the change in weight before and after heating.
（乾留結果）
図４に乾留後の状態を示した。
乾留時間が短いもの（条件１、２）は、アルミが固まりとして残った。
パルプ分と水分を除き乾留時間を長くした場合（条件３）には、炭素分が見られなくなった。
図５の表２に乾留結果を示す。
乾留処理前の質量に対する乾留処理後の残分の質量を％で示し、（ ）の数字は液化物の回収％である。
乾留は６００℃の温度で３．５〜５時間程度（条件３、４）で安定した乾留物が得られると考えられる。
図６の表３に乾留物の性状を示した。
金属はアルミが主成分でありその他、カルシウム鉄などが見られた。
残留炭素物は、（条件３、４）で少なくなり、乾留条件の影響を受けることがわかる。
これらの結果から考えると、乾留は６００℃の温度で３．５〜５時間程度を基準として、残留炭素の条件に合わせて条件を検討する必要があると考えられる。
また、紙層残渣から乾燥ベースで約１０％のアルミが得られることがわかった。
(Result of dry distillation)
FIG. 4 shows the state after dry distillation.
When the carbonization time was short (conditions 1 and 2), the aluminum remained as a solid.
When pulping and moisture were removed and the carbonization time was increased (condition 3), no carbon content was observed.
Table 2 in FIG. 5 shows the results of carbonization.
The mass of the residue after the carbonization treatment is expressed in% with respect to the mass before the carbonization treatment, and the number in () is the recovery percentage of the liquefied product.
It is considered that dry distillation yields a stable dry distillation product at a temperature of 600 ° C. for about 3.5 to 5 hours (conditions 3 and 4).
Table 3 in FIG. 6 shows the properties of the dry distillation product.
The metal is mainly composed of aluminum, and calcium iron and the like were also seen.
It can be seen that the residual carbon content decreases under (Conditions 3 and 4) and is affected by the dry distillation conditions.
Considering these results, it is considered that dry distillation needs to be examined in accordance with the conditions of residual carbon on the basis of about 3.5 to 5 hours at a temperature of 600 ° C.
It was also found that about 10% of aluminum was obtained from the paper layer residue on a dry basis.
本発明にて包装材から乾留手段にてアルミ箔を効率よく回収できるのでこれを用いた資源利用システムの構成例を図１に示す。
なお図１は紙層の有する包装材の例を示したが、アルミ蒸着フイルム等は直接乾留処理３に投入すればよい。
牛乳パック等の容器等の包装材廃棄物を回収する手段１はすでに自治体や店頭にて採用されているものを用いることができる。
回収した包装材廃棄物は再生紙会社等に持ち込まれ、パルプ分回収手段２にてパルプ回収され再生紙２ａ等になる。
パルプ分が回収された残渣分は乾留処理手段３にて約５００〜６２０℃、好ましくは５５０〜６２０℃の範囲にて３〜６時間、好ましくは３．５時間以上乾留処理する。
乾留装置はバッチ炉でも回転炉でもよく貧酸素状態で加熱される。
乾留装置からはガス回収３ａと液化分（乾留液）が回収される（３ｂ）。
このようにして回収されたアルミ資源４は各種輸送手段５にて水素発生プラント６や水素型燃料電池７を使用した車両等の燃料ステーション等に運ばれる。
水素発生プラント６では水素エネルギー８を発生させ、利用でき、その際に発生する水酸化アルミ９は凝集剤、難燃剤、セラミックス等の原料１０として利用できる。
これらの各ステップの手段や役割を社会全体で担うことで環境低負荷型社会の構築が可能になると思われる。
Since the aluminum foil can be efficiently recovered from the packaging material by the carbonization means in the present invention, a configuration example of a resource utilization system using this is shown in FIG.
Although FIG. 1 shows an example of a packaging material having a paper layer, an aluminum vapor deposited film or the like may be directly put into the dry distillation process 3.
As the means 1 for collecting packaging material waste such as containers such as milk cartons, those already adopted by local governments and stores can be used.
The recovered packaging material waste is brought to a recycled paper company or the like, and is recovered by the pulp content recovery means 2 into recycled paper 2a or the like.
The residue from which the pulp has been recovered is subjected to dry distillation treatment in the dry distillation treatment means 3 at a temperature of about 500 to 620 ° C., preferably 550 to 620 ° C. for 3 to 6 hours, preferably 3.5 hours or more.
The carbonization apparatus may be a batch furnace or a rotary furnace and is heated in an oxygen-poor state.
The gas recovery 3a and the liquefied component (dry distillation liquid) are recovered from the carbonization apparatus (3b).
The aluminum resource 4 recovered in this way is transported to a fuel station such as a vehicle using a hydrogen generation plant 6 or a hydrogen fuel cell 7 by various transportation means 5.
The hydrogen generation plant 6 can generate and use hydrogen energy 8, and the aluminum hydroxide 9 generated at that time can be used as a raw material 10 such as a flocculant, a flame retardant, and ceramics.
It seems that the construction of an environmentally low-load society will be possible by taking the means and roles of these steps throughout society.
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Cited By (6)
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| JP2008273945A (en) * | 2007-03-30 | 2008-11-13 | Sumitomo Chemical Co Ltd | Insect pest-controlling aerosol composition |
| JP4748822B1 (en) * | 2010-10-05 | 2011-08-17 | トナミ運輸株式会社 | Aluminum-paper waste recycling system |
| JP2012021200A (en) * | 2010-07-16 | 2012-02-02 | Tonami Transportation Co Ltd | Recovery system of aluminum resource from packaging material waste |
| JP2014088489A (en) * | 2012-10-30 | 2014-05-15 | Tonami Transportation Co Ltd | Useful resource recovery method from aluminum resin composite material |
| JP2015021024A (en) * | 2013-07-17 | 2015-02-02 | 株式会社ガイア環境技術研究所 | Pyrolysis apparatus of waste plastic, and pyrolysis method of waste plastic |
| KR101561603B1 (en) * | 2014-10-29 | 2015-10-19 | 한국생산기술연구원 | Flame-retardant ethylene vinyl acetate resin composition comprising aluminum hydroxide and method for preparing the same |
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| JP2004307229A (en) * | 2003-04-02 | 2004-11-04 | Ishikawajima Harima Heavy Ind Co Ltd | Method and apparatus for producing hydrogen from treatment residue |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008273945A (en) * | 2007-03-30 | 2008-11-13 | Sumitomo Chemical Co Ltd | Insect pest-controlling aerosol composition |
| JP2012021200A (en) * | 2010-07-16 | 2012-02-02 | Tonami Transportation Co Ltd | Recovery system of aluminum resource from packaging material waste |
| JP4748822B1 (en) * | 2010-10-05 | 2011-08-17 | トナミ運輸株式会社 | Aluminum-paper waste recycling system |
| JP2014088489A (en) * | 2012-10-30 | 2014-05-15 | Tonami Transportation Co Ltd | Useful resource recovery method from aluminum resin composite material |
| JP2015021024A (en) * | 2013-07-17 | 2015-02-02 | 株式会社ガイア環境技術研究所 | Pyrolysis apparatus of waste plastic, and pyrolysis method of waste plastic |
| KR101561603B1 (en) * | 2014-10-29 | 2015-10-19 | 한국생산기술연구원 | Flame-retardant ethylene vinyl acetate resin composition comprising aluminum hydroxide and method for preparing the same |
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| JP5050166B2 (en) | 2012-10-17 |
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