JP2007045698A - Lactic acid-treated composition - Google Patents

Lactic acid-treated composition Download PDF

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JP2007045698A
JP2007045698A JP2006189969A JP2006189969A JP2007045698A JP 2007045698 A JP2007045698 A JP 2007045698A JP 2006189969 A JP2006189969 A JP 2006189969A JP 2006189969 A JP2006189969 A JP 2006189969A JP 2007045698 A JP2007045698 A JP 2007045698A
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lactic acid
acid solution
solution
fertilizer
treatment composition
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JP2007045698A5 (en
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Hidemi Kawai
秀実 川合
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KAWAI HIRYO KK
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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
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    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses

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  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a lactic acid-treated composition having no sulfate radical in composition ingredients, containing the composition ingredients to be easily absorbed to animals and plants and exhibiting prompt fertilizer effect, soil improving effect or a health enhancement effect. <P>SOLUTION: A part or the whole of the composition ingredients are made water soluble by adding a lactic acid solution into fertilizer, fodder, food or the soil improving agent or these raw materials, to react the lactic acid solution with such fertilizer or such raw materials. The fertilizer or the soil improving agent comprising the lactic acid-treated composition promptly exhibits the effect because the harmful effect due to the sulfate radical does not occur and a plenty of the water-soluble ingredients are contained. The food or the fodder comprising the lactic acid-treated composition contains nutrients such as minerals to be absorbable in the body to exhibits excellent health enhancement effect. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、肥料、飼料、食品あるいは土壌改良材として使用可能な乳酸処理組成物に関するものである。   The present invention relates to a lactic acid treatment composition that can be used as a fertilizer, feed, food, or soil improver.

有機肥料は、有機物資材を例えば醗酵処理するなどして製造される。有機肥料は、土壌微生物を活性化し、土壌の保水性や団粒性などの物理性を良好な状態に保つことができる。化学肥料は、化学的あるいは工業的に生産された窒素、リン酸、カリウムを始めとする肥効性成分を適宜に配合して成る。窒素肥料成分、リン酸肥料成分、及びカリ肥料成分は、通常、いずれも工業副産物や鉱石を硫酸処理して製造される。例えば、窒素肥料としては、工業用に使用した硫酸やアンモニアの残存物を硫酸アンモニアとして回収する回収硫安や、コークス製造や重油脱硫の際に生成するアンモニアを硫酸に吸収して得られる副成硫安が用いられる。リン酸肥料としては、例えばリン鉱石に硫酸を加えて混合、反応、熟成した過リン酸石灰などが用いられる。加里肥料としては、塩化カリを硫酸あるいは硫安で処理した硫酸カリが用いられる。更に、蛇紋岩粉末に硫酸を加えて得られる硫酸苦土などもある。   An organic fertilizer is manufactured by, for example, fermenting an organic material. The organic fertilizer activates soil microorganisms and can maintain physical properties such as soil water retention and aggregated properties in a good state. Chemical fertilizers are made by appropriately blending chemical or industrially produced fertilizers such as nitrogen, phosphoric acid and potassium. Nitrogen fertilizer components, phosphate fertilizer components, and potash fertilizer components are usually produced by treating industrial by-products and ores with sulfuric acid. For example, nitrogen fertilizers include recovered ammonium sulfate for recovering industrial sulfuric acid and ammonia residues as ammonia sulfate, and by-product ammonium sulfate obtained by absorbing ammonia produced during coke production and heavy oil desulfurization into sulfuric acid. Is used. As the phosphate fertilizer, for example, phosphoperphosphate that is mixed, reacted, and aged by adding sulfuric acid to phosphate ore is used. As the potassium fertilizer, potassium sulfate obtained by treating potassium chloride with sulfuric acid or ammonium sulfate is used. In addition, there is sulfuric acid bitter earth obtained by adding sulfuric acid to serpentine powder.

畜産あるいは水産分野で用いられる飼料は、有機物にミネラル分を混入したものなどから成り、また土壌改良材は、土壌を植物の栽培育成に適したものに改良する無機質及びもしくは有機質の資材から成る。
そして、肥料、特に有機肥料は、飼料及び土壌改良材としても機能するものが多い。
また、近年、日常生活で不足しやすいミネラル分等の栄養素を配合した栄養補助食品や健康食品等の食品が広く摂取されるようになっている。 The feed used in the livestock or fisheries field is composed of organic matter mixed with minerals, and the soil amendment material is composed of inorganic and / or organic materials that improve the soil to be suitable for plant cultivation.
And many fertilizers, especially organic fertilizers, also function as feed and soil improvers.
In recent years, foods such as dietary supplements and health foods containing nutrients such as minerals that are often insufficient in daily life have been widely ingested.

しかし、有機肥料は、含まれている肥効性成分が比較的難溶化しており、遅効性であるために植物の例えば促成栽培にはあまり適さない。
一方、化学肥料は、少量で即効的に効力を発揮し、促成栽培に適する反面、多用すると土壌障害を生じることがある。特に、上記したように硫酸を用いて製造された化学肥料は、圃場に施用すると、硫酸根が土壌に残ってｐＨが低下する。このため、圃場によってはこの種の化学肥料の使用を避けたいことがある。また、水稲の場合には、硫酸根が還元的条件下で硫化水素となり、根に障害を与えることがある。 However, organic fertilizers are not very suitable for, for example, forcing cultivation of plants because the contained fertilizing components are relatively poorly soluble and are slow-acting.
On the other hand, chemical fertilizers are effective immediately in a small amount and are suitable for forcing cultivation, but may cause soil damage if used in large quantities. In particular, when the chemical fertilizer manufactured using sulfuric acid as described above is applied to a field, sulfate radicals remain in the soil and the pH is lowered. For this reason, you may want to avoid using this type of chemical fertilizer in some fields. In the case of paddy rice, sulfate radicals may become hydrogen sulfide under reducing conditions, which may damage the roots.

本発明の目的は、組成成分が硫酸根を持たず、しかも組成成分が植物にとって吸収し易い形態で含有され、肥料効果や土壌改良効果を比較的速やかに発揮する乳酸処理組成物、あるいは、栄養成分が体内に吸収されやすい形態で含有され、優れた健康増進効果を発揮する乳酸処理組成物を提供することにある。   The object of the present invention is to provide a lactic acid treatment composition that contains no sulfate radicals and is contained in a form that is easily absorbed by plants, and that exhibits a fertilizer effect and a soil improvement effect relatively quickly. An object of the present invention is to provide a lactic acid treatment composition containing components in a form that is easily absorbed by the body and exhibiting an excellent health promoting effect.

上記課題を解決するために、本発明は次の構成を備える。
すなわち、請求項１に係る本発明は、肥料、飼料、食品もしくは土壌改良材の原材料に、乳酸液を添加し、原材料の組成成分と反応させることにより、原材料の組成成分の一部もしくは全部を水溶化させて成る、点に特徴がある。
また、請求項２に係る本発明は、肥料、飼料、食品もしくは土壌改良材に、乳酸液を添加し、肥料、飼料、食品もしくは土壌改良材の組成成分と反応させることにより、組成成分の一部もしくは全部を水溶化させて成る、点に特徴がある。 In order to solve the above problems, the present invention has the following configuration.
That is, the present invention according to claim 1 adds a lactic acid solution to a raw material of a fertilizer, feed, food, or soil improving material, and reacts the raw material with a constituent component of the raw material, so that a part or all of the constituent component of the raw material is obtained. It is characterized by being water-soluble.
In addition, the present invention according to claim 2 adds a lactic acid solution to a fertilizer, feed, food, or soil improver, and reacts with the composition component of the fertilizer, feed, food, or soil improver. It is characterized by being water-soluble in part or all.

肥料、飼料もしくは土壌改良材の原材料としては、リン鉱石や塩化カリあるいは蛇紋岩や炭酸カルシウムなど、従来、硫酸を添加して製造される化学肥料や土壌改良材の原材料、または飼料や土壌改良材の原材料として用いられる卵殻などが挙げられる。また、上記食品の原材料としては、通常の食品材料のほか、前記卵殻やカニガラ、米ぬかなどの食品循環資源を利用することができる。
また、肥料等の原材料に乳酸液を添加するのではなく、製造された肥料等に乳酸液を添加するようにしても良い。この場合には、例えば有機肥料に乳酸液を添加することにより、窒素、リン、カリウム、マグネシウム、カルシウム、その他の組成成分の一部もしくは全部が水溶化される。
有機肥料には、堆肥のほか、例えば、粘性の高い、魚のソリューブルあるいはコーンスティープリカーといった液肥をも含む。 As raw materials for fertilizers, feeds or soil amendments, raw materials for chemical fertilizers and soil amendments that have been produced by adding sulfuric acid, such as phosphate rocks, potassium chloride, serpentine and calcium carbonate, or feed and soil amendments Egg shells that are used as raw materials. In addition to the normal food materials, food recycling resources such as eggshells, crab shells, rice bran, etc. can be used as raw materials for the food.
Moreover, you may make it add a lactic acid liquid to the manufactured fertilizer etc. instead of adding a lactic acid liquid to raw materials, such as a fertilizer. In this case, for example, by adding a lactic acid solution to organic fertilizer, a part or all of nitrogen, phosphorus, potassium, magnesium, calcium, and other composition components are water-solubilized.
Organic fertilizers include, in addition to compost, liquid fertilizers such as high-viscosity fish soluble or corn steep liquor.

また、炭酸カルシウムを主成分とする土壌改良材に、乳酸液を添加することにより、乳酸カルシウムが生成される。
炭酸カルシウムを主成分とする飼料あるいは土壌改良材としては、卵殻が挙げられる。卵殻に対して乳酸液を添加する場合、乳酸液の添加量は、卵殻中のカルシウム含量１分子に対して、１分子以上の乳酸を含む溶液であるのが望ましい。また、該卵殻に乳酸液を添加してなる乳酸処理組成物をカプセルや錠剤、あるいは粉末状にして栄養補助食品等として利用することもできる。 Moreover, calcium lactate is produced | generated by adding a lactic acid liquid to the soil improvement material which has a calcium carbonate as a main component.
An egg shell is mentioned as a feed or a soil improvement material which has a calcium carbonate as a main component. When the lactic acid solution is added to the eggshell, the addition amount of the lactic acid solution is preferably a solution containing one or more molecules of lactic acid with respect to one molecule of calcium content in the eggshell. In addition, a lactic acid treatment composition obtained by adding a lactic acid solution to the eggshell can be used in the form of capsules, tablets, or powders and used as a dietary supplement.

乳酸は、食品添加剤として各種飲食物の製造や医薬品あるいは化粧品などの化学原料として利用されている。またそのポリマーであるポリ乳酸は、生分解性の高分子化合物であり、近年、種々のプラスチック素材としての需要が高まっている。
乳酸液は、醗酵乳酸からポリ乳酸を製造する過程で排出される廃乳酸液を利用することができる。勿論、工業的原料としての乳酸そのものであっても良い。
廃乳酸液の場合、例えば、醗酵乳酸を濃縮し、脱水縮合したときに排出される凝縮水である２０〜７０％濃度の廃乳酸液の原液もしくはその希釈液や、その後のポリ乳酸を開環重合する過程で排出される７０〜９０％濃度の廃乳酸液の原液もしくはその希釈液でも良い。また、ポリ乳酸を生成する過程で生じた残ラクチドを可溶化させることにより生成した９０％以上の濃度の再生乳酸液の原液もしくはその希釈液であっても良い。
なお、本発明資材の乳酸の添加量は、対象となる試料の組成成分などを考慮して適宜定められる。 Lactic acid is used as a food additive in the production of various foods and drinks and as a chemical raw material for pharmaceuticals and cosmetics. In addition, polylactic acid, which is a polymer, is a biodegradable polymer compound, and in recent years, the demand for various plastic materials is increasing.
As the lactic acid solution, waste lactic acid solution discharged in the process of producing polylactic acid from fermented lactic acid can be used. Of course, lactic acid itself as an industrial raw material may be used.
In the case of the waste lactic acid solution, for example, the undiluted solution of the 20-70% concentration waste lactic acid solution, which is condensed water discharged when the fermented lactic acid is condensed and dehydrated, or its diluted solution, and the subsequent polylactic acid are opened. A stock solution or a diluted solution of a waste lactic acid solution having a concentration of 70 to 90% discharged in the process of polymerization may be used. Further, it may be a stock solution or a diluted solution of a regenerated lactic acid solution having a concentration of 90% or more produced by solubilizing residual lactide generated in the process of producing polylactic acid.
Note that the amount of lactic acid added to the material of the present invention is appropriately determined in consideration of the compositional components of the target sample.

請求項１記載の発明によれば、上記乳酸処理組成物から成る肥料や土壌改良剤は、組成成分が硫酸根を持たないことから硫酸根による弊害を生じさせることがなく、しかも水溶性の成分を多く含むので、肥料効果や土壌改良効果を速やかに発揮させることができる。また、上記乳酸処理組成物から成る食品や飼料は、ミネラル分等の栄養成分を体内に吸収されやすい形態で含有するため、優れた健康増進効果を発揮させることができる。
請求項２記載の発明によれば、肥料等の組成成分が水溶性に変化したものを多く含むので、肥料や飼料、食品あるいは土壌改良材としての機能を向上させることができる。しかも、水溶性成分を乳酸との反応によって引き出すことができることから、本発明は、乳酸を利用した有機質の液肥の製造にも貢献することができる。特に、粘性の高い液肥は、その粘性を低下させることができるため、取扱いを容易にすることができる。 According to the first aspect of the present invention, the fertilizer and the soil conditioner comprising the lactic acid treatment composition do not have a sulfate group because the composition component does not have a sulfate group, and the water-soluble component Since many are included, the fertilizer effect and the soil improvement effect can be exhibited rapidly. Moreover, since the foodstuff and feed which consist of the said lactic acid processing composition contain nutritional components, such as a mineral part, in the form which is easy to be absorbed in the body, the outstanding health promotion effect can be exhibited.
According to the invention described in claim 2, since many of the composition components such as fertilizers are changed to water-soluble, the function as a fertilizer, feed, food or soil improver can be improved. And since a water-soluble component can be extracted by reaction with lactic acid, this invention can also contribute to manufacture of the organic liquid fertilizer using lactic acid. In particular, liquid fertilizer with high viscosity can reduce its viscosity and can be handled easily.

また、特に請求項６記載の発明によれば、水溶性で多孔質の乳酸カルシウムを多量に得ることができるばかりでなく、産業廃棄物としての卵殻を有効利用できる。
更に、請求項８から１０によれば、従来、廃棄されていた廃乳酸、あるいは残ラクチドを可溶化した再生乳酸を経済的に有効利用することができる。 In particular, according to the invention described in claim 6, not only can a large amount of water-soluble and porous calcium lactate be obtained, but eggshell as industrial waste can be effectively utilized.
Furthermore, according to claims 8 to 10, waste lactic acid that has been conventionally discarded or regenerated lactic acid in which residual lactide is solubilized can be economically effectively used.

以下、本発明の実施形態を実施例に基づいて詳説する。
本発明者は、次の試料１から試料８に所定濃度の乳酸液を所定量添加して反応させることにより、本発明に係る乳酸処理資材である資材１から資材１１を得た。 Hereinafter, embodiments of the present invention will be described in detail based on examples.
The present inventor obtained the material 11 from the material 1 which is a lactic acid treatment material according to the present invention by adding a predetermined amount of a lactic acid solution having a predetermined concentration to the samples 1 to 8 and reacting them.

試料１は、かつお節煮かす、家禽加工糞、うずら成体、うずら卵、米ぬか、カニガラ、コンブ粕、及び植物粕に微生物を添加して醗酵させた堆肥である。試料２は、家禽加工糞、うずら成体、うずら卵、かつお節煮かす、米ぬか、カニガラ、及び植物粕類に微生物を添加して醗酵させた後、乾燥して粉状にした堆肥である。試料３は、ペルーグアノ（海鳥のフン）を主成分とする肥料である。試料４は、ブロイラー鶏ふんの焼成灰を主成分とする肥料である。試料５は、パームアッシュ、貝化石を主成分とする化成肥料である。試料６は、豚骨灰を主成分とする肥料である。試料７は、ブルーサイトを主成分とする水酸化苦土肥料である。試料８は、ゼオライト鉱物を主成分とする土壌改良材である。
したがって、試料１から８は、いずれも既存の肥料あるいは飼料、または土壌改良材である。 Sample 1 is compost that is fermented by adding microorganisms to bonito boiled bonito, processed poultry manure, quail adults, quail eggs, rice bran, crab, kombu rice, and plant meal. Sample 2 is compost made from poultry processed feces, adult quail, quail eggs, bonito boiled rice, rice bran, crab shells, and plant meals after being fermented with microorganisms and dried. Sample 3 is a fertilizer whose main component is Peruguano (seabird dung). Sample 4 is a fertilizer mainly composed of baked ash of broiler chicken dung. Sample 5 is a chemical fertilizer mainly composed of palm ash and shell fossils. Sample 6 is a fertilizer mainly composed of pork bone ash. Sample 7 is a hydroxylated mashed fertilizer mainly composed of brucite. Sample 8 is a soil improvement material mainly composed of zeolite mineral.
Therefore, samples 1 to 8 are all existing fertilizers or feeds, or soil improvement materials.

資材１は、１０ｇの試料１に２５％濃度の乳酸液２０ｃｃを添加して得られた反応性生物である。資材２は、６０ｇの試料２に８７％濃度の乳酸液３０ｃｃを添加して得られた反応性生物である。資材３は、３０ｇの試料３に８７％濃度の乳酸液１５ｃｃを添加して得られた反応性生物である。資材４は、６０ｇの試料３に２５％濃度の乳酸液６０ｃｃを添加して得られた反応性生物である。資材５は、１００ｇの試料５に２５％濃度の乳酸液２００ｃｃを添加して得られた反応性生物である。資材６は、１００ｇの試料４に８７％濃度の乳酸液２００ｃｃを添加して得られた反応性生物である。資材７は、１００ｇの試料４に２５％濃度の乳酸液２００ｃｃを添加して得られた反応性生物である。資材８は、１００ｇの試料６に２５％濃度の乳酸液２００ｃｃを添加して得られた反応性生物である。資材９は、１００ｇの試料７に８７％濃度の乳酸液３１５ｃｃを添加して得られた反応性生物である。資材１０は、２ｇの試料８に８７％濃度の乳酸液４ｃｃを添加して得られた反応性生物である。資材１１は、２ｇの試料８に２５％濃度の乳酸液１３．９２ｃｃを添加して得られた反応性生物である。   Material 1 is a reactive organism obtained by adding 20 cc of a 25% lactic acid solution to 10 g of sample 1. Material 2 is a reactive organism obtained by adding 30 cc of 87% strength lactic acid solution to 60 g of Sample 2. Material 3 is a reactive organism obtained by adding 15 cc of a 87% concentration lactic acid solution to 30 g of Sample 3. Material 4 is a reactive organism obtained by adding 60 cc of a 25% lactic acid solution to 60 g of sample 3. Material 5 is a reactive organism obtained by adding 200 cc of a 25% lactic acid solution to 100 g of sample 5. Material 6 is a reactive organism obtained by adding 200 cc of 87% concentration lactic acid solution to 100 g of sample 4. Material 7 is a reactive organism obtained by adding 200 cc of a 25% lactic acid solution to 100 g of sample 4. The material 8 is a reactive organism obtained by adding 200 cc of a 25% lactic acid solution to 100 g of the sample 6. Material 9 is a reactive organism obtained by adding 315 cc of lactic acid solution having an 87% concentration to 100 g of sample 7. The material 10 is a reactive organism obtained by adding 4 cc of a 87% concentration lactic acid solution to 2 g of the sample 8. The material 11 is a reactive organism obtained by adding 13.92 cc of a 25% concentration lactic acid solution to 2 g of the sample 8.

これらの資材１から資材１１について、主要な組成成分と、乳酸液添加前後における各組成成分中の水溶性成分の割合の変化及びｐＨの変化を、表１から表３に示す。なお、表１から表３は、大きさの関係で一つの表を上下方向に分断して示したもので、表１はいわば表１−１に、表２はいわば表１−２に、表３はいわば表１−３にそれぞれ相当し、本来、連続するものである。   For these materials 1 to 11, Tables 1 to 3 show main composition components, changes in the ratio of water-soluble components in the respective composition components before and after addition of the lactic acid solution, and changes in pH. Tables 1 to 3 show one table divided in the vertical direction in relation to size. Table 1 is so-called Table 1-1 and Table 2 is so-called Table 1-2. 3 corresponds to Tables 1-3, and is essentially continuous.

Figure 2007045698
Figure 2007045698

Figure 2007045698
Figure 2007045698

Figure 2007045698
Figure 2007045698

なお、表中、--は、検出困難あるいは不能または検出限界値以下であった場合を示す。
また、これらの測定は、平成１７年５月２６日から平成１７年６月８日にわたり、それぞれの試料に所定濃度の乳酸液を添加した後、風乾後に反応前後の水溶性成分その他の測定を、日立製作所製自動化学分析装置によって行った。 In the table,-indicates a case where detection is difficult, impossible, or below the detection limit value.
In addition, these measurements were conducted from May 26, 2005 to June 8, 2005, after adding a lactic acid solution of a predetermined concentration to each sample, and then measuring the water-soluble components and the like before and after the reaction after air drying. And an automatic chemical analyzer manufactured by Hitachi, Ltd.

表１から表３によれば、次のことが解る。
先ず、資材１の場合、リン、マグネシウム、カルシウムについて、水溶性成分量が３倍から５倍に上昇している。資材２の場合、窒素、リン、カリウム、マグネシウム、カルシウムのいずれについても水溶性成分量が上昇し、リンについては約６倍の上昇値を示している。試料３を用いた資材３と４の場合、マグネシウムの水溶性成分量は約８０倍にまで達している。同じような傾向は、試料４、５及び７を用いた資材４、５、６、及び７に見られる。また、資材６や９の場合、鉄やマンガン、銅、亜鉛といったミネラル分についても、試料の段階では０．０を示していたのに対して、測定可能な２桁の値になっている。資材１０，１１についても、鉄やマンガン、亜鉛について水溶性成分の量が上昇している。 According to Tables 1 to 3, the following can be understood.
First, in the case of the material 1, about phosphorus, magnesium, and calcium, the amount of water-soluble components has increased 3 to 5 times. In the case of the material 2, the amount of water-soluble components increases for all of nitrogen, phosphorus, potassium, magnesium, and calcium, and the increase value of phosphorus is about 6 times. In the case of the materials 3 and 4 using the sample 3, the amount of the water-soluble component of magnesium has reached about 80 times. A similar trend is seen in materials 4, 5, 6, and 7 using samples 4, 5 and 7. Further, in the case of materials 6 and 9, minerals such as iron, manganese, copper, and zinc also show measurable two-digit values, whereas 0.0 was shown at the sample stage. As for the materials 10 and 11, the amount of the water-soluble component is increased for iron, manganese and zinc.

このように、本発明は、既存の有機肥料や飼料あるいは土壌改良材に乳酸液を添加するだけで、組成成分中の水溶性成分の量が飛躍的に増大する。
また、試料４や試料５あるいは試料７のようなアルカリ資材については、本資材に転換することで、酸性の資材にすることができる。 Thus, the present invention dramatically increases the amount of the water-soluble component in the composition component simply by adding the lactic acid solution to the existing organic fertilizer, feed or soil improving material.
Moreover, about alkaline materials like the sample 4, the sample 5, or the sample 7, it can be set as an acidic material by changing to this material.

次に、試料９として卵殻を用い、これに所定濃度の乳酸液を所定量添加して反応させることにより、本発明に係る乳酸処理資材である資材１２から資材１９を得た。資材１６と１７では、試料として卵殻を粉砕したものを用いた。得られた資材１２から１９は、いずれも多孔質の乳酸カルシウム資材であった。
資材１から１１の場合と同様に、資材１２から１９について、その主要な組成成分と、乳酸液添加前後における各組成成分中の水溶性成分の割合の変化及びｐＨの変化を、表４に示す。 Next, an egg shell was used as the sample 9, and a predetermined amount of a lactic acid solution having a predetermined concentration was added thereto and reacted to obtain a material 19 from the material 12 which is a lactic acid treatment material according to the present invention. In the materials 16 and 17, crushed eggshells were used as samples. The obtained materials 12 to 19 were all porous calcium lactate materials.
As in the case of the materials 1 to 11, with respect to the materials 12 to 19, the main composition components, the change in the ratio of the water-soluble component in each composition component before and after the addition of the lactic acid solution, and the change in pH are shown in Table 4. .

Figure 2007045698
Figure 2007045698

この表４から、本発明に係る資材１２から１７にあっては、カルシウムの水溶性成分量が卵殻試料に比べて１８０倍〜３００倍近くまで上昇しているのが解る。卵殻を粉砕したものとそうでないものとの差はほとんどない。
マグネシウムについても水溶性成分量が１００倍程度上昇している。
また、ｐＨもややアルカリから酸性に近い中性域に変化している。 From Table 4, it can be seen that in the materials 12 to 17 according to the present invention, the amount of the water-soluble component of calcium is increased to 180 times to nearly 300 times that of the eggshell sample. There is almost no difference between crushed eggshells and those that are not.
As for magnesium, the amount of water-soluble components is increased about 100 times.
Further, the pH is also slightly changed from an alkali to a neutral range close to acidity.

本実施例では、添加される乳酸の量は、試料に含まれるカルシウムと添加乳酸とがモル比で約１：２になるように調整した。乳酸量が一定であるにもかかわらず、乳酸濃度が異なることで、水溶性成分（乳酸カルシウム）の量が異なる。このことは、乳酸濃度によって水和反応の程度が異なるものであることを示す。表２に見られるように、濃度の高い（８７％）ものにあっては、粘性が高いために卵殻の組成成分である炭酸カルシウムとの反応が粘性の低い２５％のものよりも少なく、したがって、生成される乳酸カルシウムの量も少ない。水溶性石灰の割合が最も高くなる２５％濃度で反応させたもの（資材１５）は、反応後の水分含量が６５％と高く、塊を形成するために十分な乾燥を必要とする。
粉砕をした卵殻は反応が均一で早く、一方粉砕をしていないものは、乳酸液との接触面積が少ないため、８７％液、６０％液では白い部分と黄色い部分とに分かれた。４０％では均一に反応し、黄色の部分が認められず、発泡のため非常に空隙があり、乾燥にも向いていた。 In this example, the amount of lactic acid to be added was adjusted so that the calcium contained in the sample and the added lactic acid had a molar ratio of about 1: 2. Despite the fact that the amount of lactic acid is constant, the amount of water-soluble component (calcium lactate) varies depending on the concentration of lactic acid. This indicates that the degree of hydration reaction varies depending on the lactic acid concentration. As can be seen in Table 2, the high concentration (87%) has a lower viscosity and therefore the reaction with the calcium carbonate component of eggshell is less than the low viscosity of 25%. The amount of calcium lactate produced is also small. What was made to react by the 25% density | concentration in which the ratio of water-soluble lime becomes the highest (material 15) has a high water content after reaction as 65%, and needs sufficient drying in order to form a lump.
The crushed eggshell had a uniform and fast reaction, while the non-pulverized eggshell had a small contact area with the lactic acid solution, so that the 87% solution and 60% solution were separated into a white portion and a yellow portion. In 40%, it reacted uniformly, the yellow part was not recognized, there was a space | gap very much by foaming, and it was suitable for drying.

このように、乳酸カルシウムの製造においては、乳酸濃度を低くした方が反応性がよくなるが、その反面、水分が多くなると反応後の乾燥工程に要するコストが増大する。そこで、乳酸液の濃度を４０％に調整し、卵殻中のカルシウムと乳酸のモル比を１０：１から１：３まで段階的に変化させ、反応モル比による水溶性成分量とｐＨの変化を調べた。その結果、表５及び図１に示すように、水溶性石灰の量は乳酸カルシウムの理論値である１：２の付近で最も高くなっていることが確認された。   Thus, in the production of calcium lactate, the lower the lactic acid concentration, the better the reactivity. On the other hand, when the water content increases, the cost required for the drying step after the reaction increases. Therefore, the concentration of the lactic acid solution was adjusted to 40%, and the molar ratio of calcium to lactic acid in the eggshell was changed stepwise from 10: 1 to 1: 3, and the change in the amount of water-soluble components and pH depending on the reaction molar ratio. Examined. As a result, as shown in Table 5 and FIG. 1, it was confirmed that the amount of water-soluble lime was highest in the vicinity of 1: 2 which is the theoretical value of calcium lactate.

Figure 2007045698
Figure 2007045698

本発明において、乳酸液が添加される対象物には、種々の肥料、飼料、食品あるいは土壌改良材が含まれるが、例えば、魚のソリュブルやコーンスティープリカーといった、希釈して液肥として採用可能な濃縮エキスも含まれる。魚のソリューブルは、イワシ、マグロあるいはかつおといった魚を加工した後の残滓から骨などの固形分と魚油を取り除いたものの濃縮エキスである。また、コーンスティープリカーは、とうもろこしから澱粉とオイルを採取する際に、とうもろこしを予め浸漬しておく浸漬液を濃縮したものである。いずれも極めて粘性が高いために、ねばつき、ハンドリングが容易でない。こうした粘性の高い液肥に乳酸液を添加することによって得られた本発明に係る乳酸処理組成物は、たんぱく質が水溶化されるため粘性が低下し、取扱いが容易となる利点を有する。   In the present invention, the object to which the lactic acid solution is added includes various fertilizers, feeds, foods, or soil improvers. For example, a concentration that can be diluted and used as liquid fertilizer, such as fish soluble or corn steep liquor. Extracts are also included. Fish Soluble is a concentrated extract obtained by removing solids such as bones and fish oil from residues after processing fish such as sardines, tuna or bonito. Corn steep liquor is obtained by concentrating an immersion liquid in which corn is pre-immersed when starch and oil are collected from corn. Since both are extremely viscous, stickiness and handling are not easy. The lactic acid treatment composition according to the present invention obtained by adding a lactic acid solution to such a highly viscous liquid fertilizer has the advantage that the protein is water-soluble so that the viscosity is lowered and the handling is easy.

本発明に係る乳酸処理資材は、乳酸酸性であるために、中和剤として醗酵中の堆肥への添加剤としても使用できる。醗酵中に発生するアンモニアによる悪臭を抑制する作用がある。また、乳酸カルシウムにあっては、堆肥、ボカシの醗酵菌の活力の向上にも役立つことが期待できる。更に、乳酸は、有機酸代謝亢進作用を醗酵中の堆肥に発揮して分解、生合成の面でもシナジー効果を発揮する。   Since the lactic acid processing material which concerns on this invention is lactic acid acidity, it can be used also as an additive to the compost in fermentation as a neutralizing agent. It has the effect of suppressing malodor caused by ammonia generated during fermentation. Moreover, in the case of calcium lactate, it can be expected to be useful for improving the vitality of fermenting bacteria such as compost and stagnation. Furthermore, lactic acid exhibits synergistic effects in terms of degradation and biosynthesis by exerting an organic acid metabolism enhancing action on the compost during fermentation.

卵殻と乳酸液（４０％濃度）の反応モル比による水溶性石灰量及びｐＨの変化を示すグラフ。The graph which shows the change of the amount of water-soluble lime and pH by the reaction molar ratio of eggshell and a lactic acid liquid (40% density | concentration).

Claims (11)

肥料、飼料、食品もしくは土壌改良材の原材料に、乳酸液を添加し、原材料の組成成分と反応させることにより、原材料の組成成分の一部もしくは全部を水溶化させて成る、
乳酸処理組成物。 By adding a lactic acid solution to the raw material of fertilizer, feed, food or soil improvement material, and reacting with the raw material composition component, part or all of the raw material composition component is made water-soluble.
Lactic acid treatment composition. 肥料、飼料、食品もしくは土壌改良材に、乳酸液を添加し、肥料、飼料、食品もしくは土壌改良材の組成成分と反応させることにより、組成成分の一部もしくは全部を水溶化させて成る、
請求項１記載の乳酸処理組成物。 By adding a lactic acid solution to a fertilizer, feed, food or soil conditioner and reacting with the composition component of the fertilizer, feed, food or soil conditioner, part or all of the composition component is made water-soluble.
The lactic acid treatment composition according to claim 1. リン鉱石もしくは塩化カリに乳酸液を加えて、反応させて成る、
請求項１記載の乳酸処理組成物。 A lactic acid solution is added to phosphate ore or potassium chloride and reacted.
The lactic acid treatment composition according to claim 1. 有機肥料に、乳酸液を添加し、窒素、リン、カリウム、マグネシウム、カルシウム、その他の組成成分の一部もしくは全部を水溶化させて成る、
請求項２記載の乳酸処理組成物。 Organic fertilizer is made by adding a lactic acid solution and water-solubilizing part or all of nitrogen, phosphorus, potassium, magnesium, calcium and other components.
The lactic acid treatment composition according to claim 2. 炭酸カルシウムを主成分とする土壌改良材に、乳酸液を添加し、乳酸カルシウムを生成して成る、
請求項２記載の乳酸処理組成物。 It is made by adding a lactic acid solution to a soil improvement material mainly composed of calcium carbonate to produce calcium lactate.
The lactic acid treatment composition according to claim 2. 卵殻に、乳酸液を添加し、卵殻を組成する炭酸カルシウムと乳酸液とを反応させることにより、乳酸カルシウムを生成して成る、
請求項１記載の乳酸処理組成物。 By adding a lactic acid solution to the eggshell and reacting the calcium carbonate and lactic acid solution constituting the eggshell, calcium lactate is produced.
The lactic acid treatment composition according to claim 1. 前記乳酸液が、卵殻中のカルシウム含量１分子に対して、１分子以上の乳酸を含む溶液から成る、
請求項６記載の乳酸処理組成物。 The lactic acid solution consists of a solution containing one or more molecules of lactic acid for one molecule of calcium content in the eggshell.
The lactic acid treatment composition according to claim 6. 前記乳酸液が、廃乳酸液であって、
醗酵乳酸を濃縮し、脱水縮合したときに排出される凝縮水である２０〜７０％濃度の廃乳酸液の原液もしくはその希釈液である、
請求項１もしくは２記載の乳酸処理組成物。 The lactic acid solution is a waste lactic acid solution,
It is a stock solution of 20-70% concentration waste lactic acid solution or a diluted solution thereof, which is condensed water discharged when the fermented lactic acid is concentrated and dehydrated and condensed.
The lactic acid treatment composition according to claim 1 or 2. 前記乳酸液が、有機物に乳酸菌を添加して醗酵させることによりポリ乳酸を生成する過程で生じた廃乳酸液であって、
醗酵乳酸を濃縮し、脱水縮合した後、反応蒸発したときに排出される凝縮水である７０〜９０％濃度の廃乳酸液の原液もしくはその希釈液である、
請求項１もしくは２記載の乳酸処理組成物。 The lactic acid solution is a waste lactic acid solution produced in the process of producing polylactic acid by adding lactic acid bacteria to organic matter and fermenting,
Concentrated fermented lactic acid, dehydrated and condensed, and then a stock solution of diluted lactic acid solution of 70 to 90% which is condensed water discharged when the reaction is evaporated or a diluted solution thereof.
The lactic acid treatment composition according to claim 1 or 2. 前記乳酸液が、有機物に乳酸菌を添加して醗酵させることによりポリ乳酸を生成する過程で生じた残ラクチドを可溶化した、９０％以上の濃度の再生乳酸液の原液もしくはその希釈液である、
請求項１もしくは２記載の乳酸処理組成物。 The lactic acid solution is a stock solution or a diluted solution of a regenerated lactic acid solution having a concentration of 90% or more, solubilized residual lactide generated in the process of producing polylactic acid by adding lactic acid bacteria to an organic substance and fermenting it.
The lactic acid treatment composition according to claim 1 or 2. 前記肥料が、魚のソリューブルあるいはコーンスティープリカーから成る有機肥料で、乳酸液を添加し、これらの有機肥料の組成成分と反応させることにより、その組成成分の一部もしくは全部が水溶化されている、
請求項２記載の乳酸処理組成物。 The fertilizer is an organic fertilizer consisting of fish soluble or corn steep liquor, and by adding a lactic acid solution and reacting with the composition components of these organic fertilizers, part or all of the composition components are water-soluble,
The lactic acid treatment composition according to claim 2.
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