JPH0463919B2 - - Google Patents
Info
- Publication number
- JPH0463919B2 JPH0463919B2 JP57219868A JP21986882A JPH0463919B2 JP H0463919 B2 JPH0463919 B2 JP H0463919B2 JP 57219868 A JP57219868 A JP 57219868A JP 21986882 A JP21986882 A JP 21986882A JP H0463919 B2 JPH0463919 B2 JP H0463919B2
- Authority
- JP
- Japan
- Prior art keywords
- organic matter
- wastewater
- waste liquid
- asphalt
- heavy oil
- 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 - Lifetime
Links
- 239000005416 organic matter Substances 0.000 claims description 22
- 239000000295 fuel oil Substances 0.000 claims description 18
- 239000002351 wastewater Substances 0.000 claims description 18
- 239000010426 asphalt Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 6
- 238000004898 kneading Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000000855 fermentation Methods 0.000 claims description 4
- 230000004151 fermentation Effects 0.000 claims description 4
- 239000011271 tar pitch Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 23
- 239000002699 waste material Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000003513 alkali Substances 0.000 description 6
- 239000002921 fermentation waste Substances 0.000 description 5
- 230000001747 exhibiting effect Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000013379 molasses Nutrition 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
Landscapes
- Liquid Carbonaceous Fuels (AREA)
Description
【発明の詳細な説明】
本発明は製紙廃水、醗酵廃液の如き有機物含有
の廃水中にアスフアルト、ビチユーメン、タール
ピツチの如き重質油を徐々に添加し、その粘弾性
を保持しつつ混練することによりなる分散安定な
流動性をもつ燃料組成物に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention involves gradually adding heavy oils such as asphalt, bitumen, and tar pitch to wastewater containing organic matter such as papermaking wastewater and fermentation wastewater, and kneading the oil while maintaining its viscoelasticity. The present invention relates to a fuel composition having stable dispersion and fluidity.
ここでは、アスフアルトその他の如き粘稠物質
に高剪断力を加えるとき、これが曳糸性を示しな
がら大変形する性質を粘弾性と言い、粘弾性を示
し得る物質を粘弾性体ということにする。 Here, when a high shear force is applied to a viscous substance such as asphalt or the like, the property of the material deforming greatly while exhibiting stringiness is referred to as viscoelasticity, and a substance capable of exhibiting viscoelasticity is referred to as a viscoelastic body.
粘稠な重質油は液状油とは異なり、単なる攪拌
操作で水と混合することは出来ない。しかし、ア
スフアルトの如き重質油に粘弾性を発揮させつつ
有機物含有廃水を添加混練し、曳糸性を示しなが
ら大変形させることにより、絶えず生成する大き
な廃水との接触面は廃水中の有機物及び一部の水
を包含し、それらにも伝達される剪断力により重
質油中に廃水中の有機物及び一部の水を微細に分
散させることが出来ることを見出している。 Unlike liquid oil, viscous heavy oil cannot be mixed with water simply by stirring. However, by adding and kneading organic matter-containing wastewater to heavy oil such as asphalt while exhibiting viscoelasticity, and causing it to undergo large deformations while exhibiting stringiness, the contact surface with the constantly generated large amounts of wastewater is reduced. It has been found that organic matter and a portion of water in wastewater can be finely dispersed in heavy oil by shearing force that contains some water and is also transmitted to them.
しかし、有機物含有廃水の種類により、特に有
機物の含有量が多い場合に、この廃水中に所要
の、例えば、廃水とほぼ同量の重質油を入れ混練
すると剪断力がよく行き渡らない重質油の部分が
あり、これが多くの有機物で包まれている為か、
重質油は間もなく塊状となり粘弾性を失い剪断力
が伝達出来なくなる場合が生ずることを知つた。
この難点を克服する為、種々検討の結果、重質油
を適当に少量宛添加すれば、粘弾性を発揮するこ
とが出来、これが粘弾性を示さなくなる前に順次
少量づつの重質油を添加すれば粘弾性を保持しつ
つ混練を続けることが出来、所要の重質油を添加
した後、曳糸性を示さなくなつたところで重質油
が微細に分散された混合物が得られ、このものは
流動性をもつており適当な発熱量をもつ燃料組成
物を作成することが出来ることを見出した。 However, depending on the type of wastewater containing organic matter, especially when the content of organic matter is high, if the required amount of heavy oil is added to the wastewater, for example, approximately the same amount as the wastewater, and mixed, the shear force will not be distributed well. There is a part, and this may be because it is surrounded by a lot of organic matter.
We learned that heavy oil soon becomes lumpy and loses its viscoelasticity, making it impossible to transmit shear force.
In order to overcome this difficulty, as a result of various studies, we found that by adding a small amount of heavy oil, it was possible to exhibit viscoelasticity, and before it stopped showing viscoelasticity, we added heavy oil in small amounts one after another. By doing so, kneading can be continued while maintaining viscoelasticity, and after adding the required amount of heavy oil, a mixture in which the heavy oil is finely dispersed is obtained when it no longer exhibits stringiness. discovered that it is possible to create a fuel composition that is fluid and has an appropriate calorific value.
現在迄製紙廃水は公害の代表的な例として知ら
れる如く、黒液はリグニン等の比較的多量の有機
物とアルカリを含んでおりその処理に困つてい
る。最近これを多段濃縮器を用い濃縮し燃焼した
後アルカリを回収する如き処置をしているが、低
カロリーで燃料としての利用価値も殆んどない。
又醗酵廃液例えば糖蜜を原料とするアルコール醗
酵廃液に関しても比較的有機物の含有量が多いこ
と、着色している等の理由でこれも処置に困つて
いる。 Until now, paper manufacturing wastewater is known as a typical example of pollution, and black liquor contains relatively large amounts of organic matter such as lignin and alkali, making it difficult to treat. Recently, this has been condensed using a multi-stage concentrator, burned, and the alkali recovered, but it is low in calories and has almost no value as a fuel.
Fermentation waste liquids, such as alcohol fermentation waste liquids made from molasses, are also difficult to deal with because they contain a relatively large amount of organic matter and are colored.
これらの代表例で明らかな様に廃水が着色し且
つ有機物の含有量の多いものは例外なくその処置
に困つている。本発明はこれらの処理困難な廃液
の処理を行うと同時に分散安定性良好かつ流動性
をもつ燃料組成物にする新しい方法である。 As is clear from these representative examples, it is difficult to treat wastewater that is colored and contains a large amount of organic matter without exception. The present invention is a new method for treating these difficult-to-treat waste liquids and at the same time producing a fuel composition with good dispersion stability and fluidity.
この方法には二つの大きな特徴がある。即ち第
一の特徴は廃水中に存在している有機物を利用し
て重質油を廃水中に分散せしめる点にある。例え
ば比較的濃度の高い製紙廃液（水分48％、有機物
26％、アルカリ26％）をニーダー中で攪拌しこれ
に徐々にアスフアルトを添加し、その粘弾性を保
ちながら混練して行けばアスフアルトは最後には
微粒子となりパルプ廃液中に分散して行くことが
見出された。 This method has two major features. That is, the first feature is that heavy oil is dispersed in wastewater by utilizing organic matter present in the wastewater. For example, paper manufacturing waste liquid with relatively high concentration (48% water, organic matter
(26% alkali, 26% alkali) is stirred in a kneader, and asphalt is gradually added to it. If the mixture is kneaded while maintaining its viscoelasticity, the asphalt will eventually become fine particles and be dispersed in the pulp waste liquid. discovered.
同様に濃厚な醗酵廃液に関してもPH９〜10に保
ち攪拌しながらこれに徐々にアスフアルトを添加
し、その粘弾性を保ちながら混練して行くとアス
フアルトは製紙廃液中に分散したと同様に遂には
醗酵廃液中に分散した。即ち廃液中の有機物を重
質油分散剤として利用出来る点が第一の特徴であ
る。 Similarly, asphalt is gradually added to the thick fermentation waste liquid while keeping the pH at 9 to 10 and stirring, and kneading it while maintaining its viscoelasticity.Asphalt is dispersed in the papermaking waste liquid, and eventually fermentation occurs. Dispersed in waste liquid. That is, the first feature is that the organic matter in the waste liquid can be used as a heavy oil dispersant.
これらの分散状組成物は流動性をもつて居り、
その中に含まれている水分を用い燃焼性を改善す
る可能性があることを確認した。即ち燃焼炉中で
この水分は急激に気化し、分散状組成物中の重質
油、有機物を微細に分散する効果をもちこれが燃
焼性を大きく改善することがわかつた。これが第
二の特徴である。 These dispersed compositions have fluidity;
It was confirmed that there is a possibility of improving flammability by using the water contained in it. That is, it has been found that this moisture rapidly vaporizes in the combustion furnace and has the effect of finely dispersing the heavy oil and organic matter in the dispersed composition, which greatly improves the combustibility. This is the second feature.
以上、二つの特徴に依り有機物も水分も有効に
利用出来しかも添加する重質油の量に依り任意に
発熱量を調整することも可能な燃料組成物の製造
方法を確立するに至つた。 As a result of the above two features, we have established a method for producing a fuel composition that can effectively utilize both organic matter and moisture, and also allows the calorific value to be arbitrarily adjusted depending on the amount of heavy oil added.
重質油がどの様な機構で廃液中に分散するかに
ついては現在の所必ずしも明らかではないが、廃
液中の有機物の濃度を上昇する場合（例えば濃縮
廃液を用いる場合）或いは系をアルカリ性にする
場合、速やかに目的を達成し得ることにより系内
にある有機物が大きい役割を果している様に思わ
れる。 It is currently not clear how heavy oil is dispersed in waste liquid, but it is possible to increase the concentration of organic matter in waste liquid (for example, when using concentrated waste liquid) or to make the system alkaline. In this case, it seems that the organic matter within the system plays a major role in quickly achieving the objective.
次にこの燃料組成物の製造方法につき記す。先
ず、有機物含有廃液であるがその種類に関し特に
指定は無いが比較的廃液中の有機物含有量の高い
製紙工業廃水、醗酵工業廃水等が有用である。 Next, a method for producing this fuel composition will be described. First, although there is no particular specification regarding the type of waste liquid containing organic matter, paper manufacturing industry waste water, fermentation industry waste water, etc., which have a relatively high organic substance content in the waste liquid, are useful.
更に、上記二つについては有機物濃度を上昇す
ること及びアルカリの添加等により液のPHを制御
した方が有効である。装置に関しては、ニーダ
ー、バンバリーミキサー、コロイドミル等、高い
剪断力で混練し得るものであればどの様な装置で
もよい。 Furthermore, for the above two reasons, it is more effective to control the pH of the liquid by increasing the concentration of organic matter and adding alkali. Regarding the equipment, any equipment such as a kneader, Banbury mixer, colloid mill, etc. that can perform kneading with high shear force may be used.
次に、処理温度であるが特に高温を必要とせず
20℃〜100℃好しくは30〜60℃が適当である。 Next, regarding the processing temperature, it does not require particularly high temperatures.
A temperature of 20°C to 100°C, preferably 30°C to 60°C is suitable.
廃液に対する重質油の比率は如何程でもよく、
廃液に対し0.5〜５倍量位い所要の発熱量に適合
する様に添加すればよい。 The ratio of heavy oil to waste liquid can be any desired.
It may be added in an amount of 0.5 to 5 times the amount of waste liquid to match the required calorific value.
又、目的によつては硫黄酸化物を問題にする場
合もあるが、この場合例えばCa（OH）2、CaCO3
等の硫黄捕捉剤の添加も効果があり、分散状態が
不安定の場合分散安定剤としてポリビニールアル
コール又はビニールアルコールの共重合物で水溶
性であり、且親油性をもつ化合物を用いるのも効
果的である。 Also, depending on the purpose, sulfur oxides may be a problem; in this case, for example, Ca(OH) 2 , CaCO 3
It is also effective to add sulfur scavengers such as polyvinyl alcohol or vinyl alcohol copolymers, which are water-soluble and have lipophilic properties, as a dispersion stabilizer if the dispersion state is unstable. It is true.
次に重質油であるがアスフアルト、ビチユーメ
ン、タールピツチ夫々単独でもよいし、これに石
油コークスの如き炭素含有量の高い粉体を混合し
たものでもよい。 Next, regarding the heavy oil, asphalt, bitumen, or tar pitch may be used alone, or a mixture thereof with a powder having a high carbon content such as petroleum coke may be used.
以下、実施例に依り本発明を説明する。 The present invention will be explained below with reference to Examples.
実施例 １
内容10、混合部分容積３のバンバリー型ニ
ーダ中に製紙濃厚廃液２（水分48％、有機物26
％、アルカリ26％）を入れ、この中に60／80アス
フアルト１Kgずつ三回に亘り20分間隔で添加し常
温にて75rpmにて混練した。これに重合度500、
鹸化度70％の部分鹸化ポリビニルアセテートを全
量の対し0.5％添加した。Example 1 In a Banbury-type kneader with a content of 10 and a mixing part volume of 3, concentrated papermaking waste liquid 2 (48% moisture, 26% organic matter)
%, alkali 26%), and 1 kg of 60/80 asphalt was added three times at 20 minute intervals, and kneaded at 75 rpm at room temperature. This has a degree of polymerization of 500,
Partially saponified polyvinyl acetate with a degree of saponification of 70% was added in an amount of 0.5% based on the total amount.
この生成物は均一な黒色液体でありパイプ輸送
が可能である。発熱量は計算値で7800Kcal／Kg
であり良好な燃料組成物である。 The product is a homogeneous black liquid and can be piped. The calorific value is calculated as 7800Kcal/Kg
It is a good fuel composition.
実施例 ２
糖蜜を原料としたアルコール醗酵廃液を濃縮し
た。濃厚醗酵廃液（水分50％、有機物38％、無機
物12％）をCa（OH）2でPH10に調整し、これを実
施例１と同じ装置に１Kgを入れ混合した。混合条
件は、常温・回転数は75RPMである。Example 2 An alcoholic fermentation waste liquid made from molasses was concentrated. A concentrated fermentation waste liquid (50% moisture, 38% organic matter, 12% inorganic matter) was adjusted to pH 10 with Ca(OH) 2 , and 1 kg of this was placed in the same apparatus as in Example 1 and mixed. The mixing conditions were room temperature and rotation speed of 75 RPM.
これに２Kgのアスフアルトを三回に分け20分間
隔で投入、混練した。アスフアルトは最後には廃
液中に均一に分散した。 To this, 2 kg of asphalt was added in three portions at 20 minute intervals and kneaded. The asphalt was eventually uniformly dispersed in the waste liquid.
この分散組成物は水中に入れると水に分散する
ので、アスフアルトが有機物含有水中に分散して
いることを示し顕微鏡にて粒度測定の結果、アス
フアルト粒子は５〜30μの粒子径であつた。この
組成物は常温にて稍粘度は高いが60℃に加温すれ
ば、通常のバーナーにて噴霧可能であり燃料とし
て使用することが出来る。 When this dispersion composition is placed in water, it is dispersed in water, which indicates that asphalt is dispersed in organic matter-containing water.As a result of particle size measurement using a microscope, the asphalt particles had a particle size of 5 to 30 microns. This composition has a slightly high viscosity at room temperature, but if heated to 60°C, it can be sprayed with a normal burner and can be used as a fuel.
Claims (1)
水中にアスフアルト、ビチユーメン、タールピツ
チの如き重質油を徐々に添加し、その粘弾性を保
持しつつ混練することによりなる分散安定性良好
な流動性ある燃料組成物。1. Gradually adding heavy oils such as asphalt, bitumen, and tar pitch to paper manufacturing wastewater, fermentation wastewater, and other organic matter-containing wastewater, and kneading it while maintaining its viscoelasticity, resulting in dispersion stability and good fluidity. Fuel composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21986882A JPS59176392A (en) | 1982-12-14 | 1982-12-14 | Preparation of fuel from organic substance-containing waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21986882A JPS59176392A (en) | 1982-12-14 | 1982-12-14 | Preparation of fuel from organic substance-containing waste water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59176392A JPS59176392A (en) | 1984-10-05 |
| JPH0463919B2 true JPH0463919B2 (en) | 1992-10-13 |
Family
ID=16742309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21986882A Granted JPS59176392A (en) | 1982-12-14 | 1982-12-14 | Preparation of fuel from organic substance-containing waste water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59176392A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1238389B (en) * | 1990-01-11 | 1993-07-16 | Prodeco Spa | METHOD AND ADDITIVE FOR IMPROVING COMBUSTION OF COMBUSTIBLE MATERIALS |
| CN103104924B (en) * | 2012-12-13 | 2016-03-09 | 青岛特利尔环保股份有限公司 | Water-coal-slurry suspension fluidization burning process black liquid technique |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS537072A (en) * | 1976-07-09 | 1978-01-23 | Hitachi Ltd | Touching sensor |
| JPS5354873A (en) * | 1976-10-27 | 1978-05-18 | Toray Eng Co Ltd | Method of burning organic waste liquid produced from |
| JPS5385819A (en) * | 1977-01-07 | 1978-07-28 | Kojin Kk | Bituminous emulsion containing sulfite pulp waste water |
| JPS53125378A (en) * | 1977-04-07 | 1978-11-01 | Toyo Tire & Rubber Co Ltd | Waste liquid heating concentrating and burning treatment method and apparatus |
| JPS56100684A (en) * | 1980-01-12 | 1981-08-12 | Nittan Co Ltd | Treatment for cyanogen-containing waste water |
-
1982
- 1982-12-14 JP JP21986882A patent/JPS59176392A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS537072A (en) * | 1976-07-09 | 1978-01-23 | Hitachi Ltd | Touching sensor |
| JPS5354873A (en) * | 1976-10-27 | 1978-05-18 | Toray Eng Co Ltd | Method of burning organic waste liquid produced from |
| JPS5385819A (en) * | 1977-01-07 | 1978-07-28 | Kojin Kk | Bituminous emulsion containing sulfite pulp waste water |
| JPS53125378A (en) * | 1977-04-07 | 1978-11-01 | Toyo Tire & Rubber Co Ltd | Waste liquid heating concentrating and burning treatment method and apparatus |
| JPS56100684A (en) * | 1980-01-12 | 1981-08-12 | Nittan Co Ltd | Treatment for cyanogen-containing waste water |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59176392A (en) | 1984-10-05 |
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