JP2004000133A - Animal droppings and urine treating material - Google Patents
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- JP2004000133A JP2004000133A JP2002365933A JP2002365933A JP2004000133A JP 2004000133 A JP2004000133 A JP 2004000133A JP 2002365933 A JP2002365933 A JP 2002365933A JP 2002365933 A JP2002365933 A JP 2002365933A JP 2004000133 A JP2004000133 A JP 2004000133A
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【０００１】
【発明の属する技術分野】
本発明は犬、猫等のペットとして飼育する動物に供して好適な動物用糞尿処理材に関する。
【０００２】
【従来の技術】
従来、糞尿吸収後の焼却、生分解、水洗トイレでの水洗処理等の廃棄処理性の良い動物用糞尿処理材として、紙系、乾燥おから系のものが提案されている（特許文献１）。
【０００３】
【特許文献１】
特開２０００−２０１５５６（［０００９］）
【０００４】
【発明が解決しようとする課題】
紙系の動物用糞尿処理材は、吸収した糞尿の消臭度が低い。
乾燥おから系の動物用糞尿処理材は、原料コストが高い上に、糞尿の消臭度に一層の改善が求められる。
【０００５】
従来の動物用糞尿処理材は、高い消臭度を求めて化学成分や植物成分から成る消臭剤・脱臭剤等を添加しているものの満足のいく消臭度はなく、消臭剤そのものも高価であり、少ない添加量では効果が望めず、また高い効果を求めて多量に添加すればいいというものでもなく、適当な消臭剤を見つけられずにいる。
【０００６】
本発明の課題は、吸収した糞尿の消臭度が高い動物用糞尿処理材を提供することにある。
【０００７】
本発明の他の課題は、低コストでありながら、廃棄処理性が良く、吸収した糞尿の消臭度が高い動物用糞尿処理材を提供することにある。
【０００８】
本発明の他の課題は、低コストでありながら、廃棄処理性が良く、吸収した糞尿の消臭度が高く、糞尿を吸収した後の塊状化度も高めて廃棄時の取出し性を向上した動物用糞尿処理材を提供することにある。
【０００９】
本発明の他の課題は、低コストでありながら、廃棄処理性が良く、吸収した糞尿の消臭度が高く、糞尿を吸収した後の塊状化度も高めて廃棄時の取出し性を向上し、更に水洗処理時の水中分解性を向上した動物用糞尿処理材を提供することにある。
【００１０】
本発明の他の課題は、低コストでありながら、廃棄処理性が良く、吸収した糞尿の消臭度が高く、糞尿を吸収した後の塊状化度も高めて廃棄時の取出し性を向上するとともに、水洗処理時の水中分解性を向上し、更に多孔質粒の粉化を防止した動物用糞尿処理材を提供することにある。
【００１１】
【課題を解決するための手段】
請求項１の発明は、米ぬかと脱脂米ぬかを含有する動物用糞尿処理材である。
請求項２の発明は、米ぬかと脱脂米ぬかと植物性接着剤を含有する動物用糞尿処理材である。
【００１２】
請求項３の発明は、米ぬかと脱脂米ぬかと植物性接着剤と乾燥おからを含有する動物用糞尿処理材である。
【００１３】
請求項４の発明は、米ぬかと脱脂米ぬかと植物性接着剤と乾燥おからと無機充填剤を含有する動物用糞尿処理材である。
【００１４】
請求項５の発明は、請求項４の発明において更に、米ぬかを２５〜３５％、脱脂米ぬかを３３〜４３％、植物性接着剤を８〜１２％、乾燥おからを１０〜１４％、無機充填剤を８〜１２％含有するようにしたものである。
請求項６の発明は、脱脂米ぬかを含有する動物用糞尿処理材である。
【００１５】
【発明の実施の形態】
（第１実施形態）
本発明の動物用糞尿処理材は、米ぬかと脱脂米ぬかを主成分とし、植物性接着剤と無機充填剤と乾燥おからを添加し、更に所望により着色剤、脱臭剤も添加した混合物を、多孔質粒に造粒したものである。
【００１６】
植物性接着剤としては、デンプン類、デンプンを含む農産物を使用できる。デンプン類としては、コーンスターチ、サツマイモデンプン、ジャガイモデンプン、タピオカデンプン等を用いることができる。デンプンを含む農産物としては、トウモロコシ、米、麦、小麦、根菜類等を使用することができる。
【００１７】
無機充填剤としては、炭酸カルシウム、ゼオライト、タルク等を用いることができる。
【００１８】
着色剤としては、食用色素を用いることができる。
脱臭剤としては、クエン酸等を用いることができる。
【００１９】
本発明の動物用糞尿処理剤は以下の如くに製造される。
（１）米ぬかと脱脂米ぬかに、植物性接着剤、無機充填剤、乾燥おから、脱臭剤を常温にてミキサーで攪拌し、更に着色剤の溶液を添加して攪拌する。
【００２０】
（２）上述（１）で得られる混合物を造粒機のダイスに圧入して加圧、造粒し、無数の孔（独立孔、連続孔等の隙間）を有する多孔質粒を成形する。
【００２１】
上述（１）の混合物の攪拌時には少量の水分を添加する。水分は着色剤の水溶液の形態で添加することができる。水分添加量は、仕入原料のバラツキ、季節的要因等により調整し、標準時には、米ぬかと脱脂米ぬかと植物性接着剤と無機充填剤と乾燥おからの合計重量１００％に対し、好適には２〜４％、より好適には２．５〜３．５％、最適には３％とする。
【００２２】
上述（１）の混合物の攪拌時に添加する水分量の調整、上述（２）の造粒機のダイスの形状、加圧力の調整により、多孔質粒の孔の大きさ、孔の分布密度を調整できる。小加圧力で粒の尿吸収吸着量を多くし、大加圧力で粒の機械的強度を高めることができる。
【００２３】
本発明の動物用糞尿処理材は以下の作用を有する。
（請求項１に対応する作用）
▲１▼米ぬかは精米時の副産物であり、脱脂米ぬかは米油を絞った後の残渣であってともに原料コストが安価（米ぬかの方が脱脂米ぬかより安い）であり、これらを主成分とする動物用糞尿処理材のコストを低減できる。
【００２４】
▲２▼米ぬかと脱脂米ぬかは植物性であり、糞尿吸収後の焼却、生分解、水洗トイレでの水洗処理性等の廃棄処理性が良い。
【００２５】
▲３▼米ぬかは優れた消臭性を具備するものの、単独では吸水性が低く、非凝固性で、糞尿を吸収しにくいし、糞尿を吸収した後の塊状化度も低い。脱脂米ぬかは優れた消臭性を具備し、吸収性も高く、凝固性を有するものの、微粉末であって表面が滑らかであり、造粒したときに多孔質化し難く、独立孔又は連続孔を形成し難いために、それら孔内への糞尿の導入による速やかで多量な糞尿の吸収と孔の壁面への糞尿の吸着を期待できない。これに対し、米ぬかと脱脂米ぬかを混合して造粒したときには、それらが均質に分散し合った多孔質粒を形成して独立孔又は連続孔を形成し、それら孔内への糞尿の導入による速やかで多量な糞尿の吸収と孔の壁面への糞尿の吸着を促進し、両者の優れた消臭性により、糞尿に対する高い消臭度を呈する。
【００２６】
（請求項２に対応する作用）
▲４▼植物性接着剤の含有により、糞尿を吸収した多孔質粒の塊状化度を高める。植物性接着剤は多孔質粒の粒同士を接着して塊状化し、その塊状化部分だけを取出して廃棄すれば良く、廃棄時の取出性を向上する。
【００２７】
（請求項３に対応する作用）
▲５▼乾燥おからの含有により、糞尿を吸収して塊状化した多孔質粒の塊状物を水中でバラケさせる水中分解性を向上し、水洗トイレによる水洗処理性を向上する。
【００２８】
（請求項４に対応する作用）
▲６▼無機充填剤の含有により、多孔質粒の機械的強度を高め、造粒した粒が流通〜使用段階で崩壊して粉化することを防止し、粉化した動物用糞尿処理剤が猫等の足の裏に付着して散逸することを防止できる。
【００２９】
また、着色剤の添加により、動物用糞尿処理材の見た目の美観を向上できる。また、脱臭剤の添加により、米ぬかと脱脂米ぬかと乾燥おからの植物性繊維がもつかすかな特有の臭いを抑えることができる。尚、脱臭剤としてクエン酸を用いたときの添加量は、米ぬかと脱脂米ぬかと植物性接着剤と無機充填剤と乾燥おからの合計流量１ｋｇに対し５ｇとする。
【００３０】
以下、本発明の動物用糞尿処理材を構成する各成分の配合比の最適化について検討した実験結果について説明する。
【００３１】
圧縮型造粒機（生産能力２００ｋｇ／時間、ダイス径３．５ｍｍ）を用い、表１の本発明例の動物用糞尿処理材の各成分（米ぬかと脱脂米ぬかとコーンスターチと炭酸カルシウムと乾燥おから）、表２の比較例の紙系動物用糞尿処理材の各成分（パルプ繊維とコーンスターチと炭酸カルシウム）、表３の比較例のおから系動物用糞尿処理材の各成分（乾燥おからとコーンスターチと炭酸カルシウム）それぞれの合計重量５ｋｇに、食用色素の青色１号１．５ｇ、黄色４号１ｇとクエン酸２５ｇを水１５０ｃｃに溶かした水溶液を添加したものを試験片とし、各試験片について消臭度、塊状化度、水中分解性を評価した。評価は特優、優、良、可、不可の順に悪くなることを示す。
【００３２】
【表１】
【表２】
【表３】
表１によれば、本発明の動物用糞尿処理材では、米ぬかと脱脂米ぬかの混合により消臭度が高くなること、両者の合計重量が多いほど消臭度が高くなること（本発明例２と３、本発明例８と９）が認められる。脱脂米ぬかに対し米ぬかが多く添加されるほど米ぬかの非凝固性の上に塊状化度が低くなること（本発明例２と３、本発明例８と９、本発明例４、本発明例１０）、米ぬかに対し脱脂米ぬかが過多であれば多孔質粒化が不十分になって糞尿の吸水吸着が十分でなく塊状化度が低くなること（本発明例６、本発明例７、本発明例１２）が認められる。
【００３６】
また、表１によれば、本発明の動物用糞尿処理材では、コーンスターチの添加量が過少になると塊状化度が低くなること（本発明例１９）が認められる。
【００３７】
また、表１によれば、本発明の動物用糞尿処理材では、乾燥おからの添加量がなし又は過少で、水中分解性が悪くなること（本発明例４、本発明例７、本発明１０、本発明例１２、本発明例１４、本発明例１５、本発明例１６）が認められる。
【００３８】
また、表１の本発明例２１では、炭酸カルシウムの添加量が過少であるため、多孔質粒の粉化が認められた。
【００３９】
また、表１の本発明例２０、２２は、それぞれ、コーンスターチ、炭酸カルシウムの添加量が過多であり、原料コストが高くなる。また、表１の本発明例１〜３、５、６、８、９、１１、１３、２３は乾燥おからの添加量が過多であり、原料コストが高くなる。
【００４０】
また、本発明の動物用糞尿処理材において、植物性接着剤としてコーンスターチに代るものを用い、無機充填剤として炭酸カルシウムに代るものを用いた場合にも、表１の本発明例におけると同様の結果を得た。
【００４１】
従って、本発明の動物用糞尿処理剤の好適配合比は、米ぬかと脱脂米ぬかとコーンスターチ等の植物性接着剤と炭酸カルシウム等の無機充填剤と乾燥おからの合計重量１００％（食用色素と脱臭剤は除く）に対し、米ぬかについては、２５〜３５％、より好適には２８〜３２％、最適には３０％、脱脂米ぬかについては、３３〜４３％、より好適には、３６〜４０％、最適には３８％、植物性接着剤については、８〜１２％、より好適には９〜１１％、最適には１０％、無機充填剤については、８〜１２％、より好適には９〜１１％、最適には１０％、乾燥おからについては、１０〜１４％、より好適には１１〜１３％、最適には１２％である。
【００４２】
表２の紙系動物用糞尿処理材の比較例Ａ１では、糞尿の消臭度が低いことが認められる。
【００４３】
表３のおから系動物用糞尿処理材の比較例Ｂ１では、糞尿の消臭度はほぼ良好であるが、乾燥おからの添加量が多量であり、原料コストが高くなる。
【００４４】
次に、本発明の上述した最適混合比の動物用糞尿処理材の実験結果について詳細に説明する。
【００４５】
（Ａ）米ぬか１．５ｋｇ（３０％）、脱脂米ぬか１．９ｋｇ（３８％）、コーンスターチ０．５ｋｇ（１０％）、炭酸カルシウム０．５ｋｇ（１０％）、乾燥おから０．６ｋｇ（１２％）、クエン酸２５ｇをミキサーで２分間混合攪拌し、この混合物に食用色素の青色１号１．５ｇと黄色４号１ｇを水１５０ｃｃで溶かした水溶液を添加し、更に５分間混合攪拌した後、この混合物を造粒機のホッパーに投入し、２００ｋｇ／時間の吐出速度で先端ダイスから吐出させ、直径３．５ｍｍ、長さ４〜７ｍｍの黄緑色に着色された無定形片多孔質粒の動物用糞尿処理材を約５ｋｇ得た。これを８０℃に設定された温風流動乾燥機内で製品として最も安定化する含水率７．５％の処理材に調整した。試験を繰り返して得た本発明の動物用糞尿処理材の含水率は、好適には６〜９％、より好適には７〜８％、最適には７．５％である。また、黄緑色に着色した動物用糞尿処理材を猫に試験使用した結果、無着色との使用状況に差異がなく、糞尿の吸収後も色素は安定し、色素の流出が起こらなかった。
【００４６】
（Ｂ）上述（Ａ）で得た動物用糞尿処理材の消臭力を下記の要領で検査した。ガラス製三角フラスコ（容量約３．３６Ｌ）に動物用糞尿処理材５０ｇを投入し、アンモニア水（濃度０．０１％）を２０ｍＬ添加、密栓し、１時間放置した後、フラスコ内の空気中のアンモニア濃度を測定した。結果、アンモニア濃度は、動物用糞尿処理材非投入の場合の５３．３ｐｐｍに対し、０．８ｐｐｍであり、アンモニア臭はほとんど確認できなかった。
【００４７】
（Ｃ）上述（Ａ）で得た動物用糞尿処理材をペット用トイレ容器に深さ８０ｍｍ程度敷き詰め、３０℃に温めた希釈アンモニア水（濃度０．０１％）２０ｍＬを注射器により滴下させた。３０分経過後、アンモニア水は上面より５０ｍｍ以内の深さでゴルフボールよりやや大きい塊状物に塊状化し、容易に取出し可能になった。
【００４８】
（Ｄ）上述（Ｃ）の塊状物を水洗トイレに流した結果、水中で容易にばらけて分解し、スムースに水洗処理できた。
【００４９】
以上、本発明の実施の形態を詳述したが、本発明の具体的な構成はこの実施の形態に限られるものではなく、本発明の要旨を逸脱しない範囲の変更等があっても本発明に含まれる。例えば、本発明の動物用糞尿処理材は、米ぬかと脱脂米ぬかを含有するもの、米ぬかと脱脂米ぬかと植物性接着剤を含有するもの、米ぬかと脱脂米ぬかと植物性接着剤と乾燥おからを含有するもの、米ぬかと脱脂米ぬかと植物性接着剤と乾燥おからと無機充填剤を含有するもののいずれでも良い。
【００５０】
（第２実施形態）
本発明者は、安価でなおかつ消臭効果が期待できる米ぬかを、動物用糞尿処理材に、あくまでも添加剤としてではなく、原料として使用できるか否かを研究してきた。しかし、米ぬかは、油分を含むため米ぬかを造粒しても、また他の鉱物・紙粉・木粉・おからと混合して造粒しても、水分をはじくため、尿吸収力を阻害してしまい動物用糞尿処理材の原料としてそのままでは使用できなかった。
【００５１】
本発明者は、米ぬかから米油を搾油する油脂工場の副産物である、脱脂米ぬかに着目した。搾油後の副産物である脱脂米ぬかは、油脂分を取り除いてあるため、米ぬかでは得られなかった尿を吸収する性能があり、動物用糞尿処理材の原料として十分使用に値する材料であり、強力な消臭力を有することを発見した。即ち、本発明は、初めて最適な消臭材としての脱脂米ぬかを動物用糞尿処理材の原料として配合し、画期的に消臭度を高めた動物用糞尿処理材を製造するものである。
【００５２】
本発明の動物用糞尿処理材は、脱脂米ぬかを主成分とする。本発明の動物用糞尿処理材は、脱脂米ぬか単独から成るものの他、脱脂米ぬかに木粉、紙粉、鉱物又はおから等を添加し、更に所望により高分子吸収体、着色剤、脱臭剤も添加した混合物を、多孔質粒に造粒して使用に供することができる。
【００５３】
本発明の動物用糞尿処理剤は以下の如くに製造される。
（１）脱脂米ぬかに、所望の木粉、紙粉、鉱物又はおから、更に所望の高分子吸収体、脱臭剤を添加し、常温にてミキサーで攪拌し、更に着色剤の溶液を添加して攪拌する。
【００５４】
（２）上述（１）で得られる混合物を造粒機のダイスに圧入して加圧、造粒し、無数の孔（独立孔、連続孔等の隙間）を有する多孔質粒を成形する。
【００５５】
上述（１）の混合物の攪拌時には少量の水分を添加する。水分は着色剤の水溶液の形態で添加することができる。
【００５６】
上述（１）の混合物の攪拌時に添加する水分量の調整、上述（２）の造粒機のダイスの形状、加圧力の調整により、多孔質粒の孔の大きさ、孔の分布密度を調整できる。小加圧力で粒の尿吸収吸着量を多くし、大加圧力で粒の機械的強度を高めることができる。
【００５７】
本発明の動物用糞尿処理材は以下の作用を有する。
（請求項６に対応する作用）
▲１▼脱脂米ぬかは米油を絞った後の残渣であって原料コストが安価であり、これらを主成分とする動物用糞尿処理材のコストを低減できる。
【００５８】
▲２▼脱脂米ぬかは植物性であり、糞尿吸収後の焼却、生分解、水洗トイレでの水洗処理性等の廃棄処理性が良い。
▲３▼脱脂米ぬかは強力な消臭性により、糞尿に対する高い消臭度を呈する。
【００５９】
以下、本発明の脱脂米ぬかを含有する動物用糞尿処理剤の消臭力の検証結果について説明する（表４〜表８）。
【００６０】
【表４】
【表５】
【表６】
【表７】
【表８】
（Ａ）表４〜表８の動物用糞尿処理剤の各成分（木粉と脱脂米ぬかと高分子吸収体、紙粉と脱脂米ぬかと高分子吸収体、ベントナイトと脱脂米ぬか、乾燥おからと脱脂米ぬかとコーンスターチ、脱脂米ぬかとコーンスターチ）の原料合計２ｋｇを３分間ミキサーで攪拌した後、その混合物を定量供給機から、５０ｋｇ／時間の圧縮型造粒機に投入しダイス径から押し出し、長さ４ｍｍ〜７ｍｍにカットし乾燥機にかけ水分７．５％の円柱ペレット状の多孔質粒の動物用糞尿処理材を得た。
【００６６】
（Ｂ）上述（Ａ）で得た動物用糞尿処理材の消臭度を下記の要領で測定した。ガラス製三角フラスコ（容量３．３６Ｌ）に動物用糞尿処理材５０ｇを投入し、アンモニア水（０．０１％）を２０ｍｌ添加、密栓し、１時間放置した後、フラスコ内のアンモニア濃度を測定した。
【００６７】
表４の例１の場合、木粉９０％・高分子吸収体（接着剤）１０％・脱脂米ぬか０で、アンモニア濃度１５．２ｐｐｍ、表４の例５の場合、木粉５０％・高分子吸収体（接着剤）１０％・脱脂米ぬか４０％の配合で、アンモニア濃度１．８ｐｐｍまで下がり、驚くべき消臭力があることを確認できた。
【００６８】
以下、表４〜表７の例１〜２０のアンモニア濃度の数値が示すとおり、脱脂米ぬかの含有により消臭力が例外なく増すことが、検証できた。
【００６９】
表８の例２１の脱脂米ぬか９０％とコーンスターチ１０％の場合は、造粒されたペレットがかたくて表面に光沢を帯びてしまい、ペレット内に臭気を取り込めないため、消臭度が下がらないものと思われる。
【００７０】
脱脂米ぬかを動物用糞尿処理材の原料として使用するためには、単独でなく他の原料と配合し多孔質の粒状に仕上げることが望ましい。
【００７１】
【発明の効果】
以上のように本発明によれば、吸収した糞尿の消臭度が高い動物用糞尿処理材を得ることができる。
【００７２】
また、本発明によれば、低コストでありながら、廃棄処理性が良く、吸収した糞尿の消臭度が高い動物用糞尿処理材を得ることができる。
【００７３】
また、本発明によれば、低コストでありながら、廃棄処理性が良く、吸収した糞尿の消臭度が高く、糞尿を吸収した後の塊状化度も高めて廃棄時の取出し性を向上した動物用糞尿処理材を得ることができる。
【００７４】
また、本発明によれば、低コストでありながら、廃棄処理性が良く、吸収した糞尿の消臭度が高く、糞尿を吸収した後の塊状化度も高めて廃棄時の取出し性を向上し、更に水洗処理時の水中分解性を向上した動物用糞尿処理材を得ることができる。
【００７５】
また、本発明によれば、低コストでありながら、廃棄処理性が良く、吸収した糞尿の消臭度が高く、糞尿を吸収した後の塊状化度も高めて廃棄時の取出し性を向上するとともに、水洗処理時の水中分解性を向上し、更に多孔質粒の粉化を防止した動物用糞尿処理材を得ることができる。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an animal excrement disposal material suitable for use as an animal raised as a pet such as a dog or a cat.
[0002]
[Prior art]
BACKGROUND ART Conventionally, paper-based and dried okara-based materials have been proposed as animal manure treatment materials having good disposal properties such as incineration after absorption of manure, biodegradation, and washing treatment in a flush toilet (Patent Document 1). .
[0003]
[Patent Document 1]
JP 2000-201556 ([0009])
[0004]
[Problems to be solved by the invention]
Paper-based animal excrement disposal materials have a low degree of deodorization of absorbed excrement.
Dried okara-based animal excrement processing materials require high raw material costs and further require a further improvement in the degree of deodorization of excrement.
[0005]
Conventional animal excrement treatment materials have added a deodorant and deodorant composed of chemical and plant components in order to obtain a high degree of deodorization, but there is no satisfactory deodorant, and the deodorant itself is not used. It is expensive, and the effect cannot be expected with a small amount of addition, and it is not necessary to add a large amount in order to obtain a high effect, and an appropriate deodorant cannot be found.
[0006]
An object of the present invention is to provide an animal excrement treating material having a high degree of deodorization of absorbed excrement.
[0007]
Another object of the present invention is to provide an animal excrement disposal material which is low in cost, has good disposal properties, and has a high degree of deodorization of absorbed excrement.
[0008]
Another object of the present invention is to improve the disposability, disposability is high, the deodorization degree of the absorbed manure is high, the degree of agglomeration after absorbing the manure is increased, and the take-out property at the time of disposal is improved. An object of the present invention is to provide an animal excrement treating material.
[0009]
Another object of the present invention is to improve the disposability at a low cost, a high degree of deodorization of the absorbed manure, and a high degree of agglomeration after absorbing the manure to improve the removal property at the time of disposal. Another object of the present invention is to provide an animal excrement treating material having improved decomposability in water during a washing process.
[0010]
Another object of the present invention is to improve the disposability, improve the deodorization degree of the absorbed manure, increase the degree of agglomeration after absorbing the manure, and improve the take-out property at the time of disposal, at a low cost. In addition, an object of the present invention is to provide an animal excrement treating material that improves the decomposability in water during the washing process and further prevents powdering of porous particles.
[0011]
[Means for Solving the Problems]
The invention of claim 1 is an animal excrement treating material containing rice bran and defatted rice bran.
The invention of claim 2 is an animal excrement disposal material containing rice bran, defatted rice bran and a vegetable adhesive.
[0012]
The invention of claim 3 is an animal excrement disposal material containing rice bran, defatted rice bran, a vegetable adhesive, and dried okara.
[0013]
The invention of claim 4 is an animal excrement treating material containing rice bran, defatted rice bran, a vegetable adhesive, dried okara, and an inorganic filler.
[0014]
The invention of claim 5 is the invention of claim 4, further comprising 25-35% rice bran, 33-43% defatted rice bran, 8-12% vegetable adhesive, 10-14% dried okara, inorganic The filler is contained in an amount of 8 to 12%.
The invention of claim 6 is an animal excrement treating material containing defatted rice bran.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
(1st Embodiment)
The animal excrement treating material of the present invention has rice bran and defatted rice bran as main components, a vegetable adhesive, an inorganic filler, and dried okara, and, if desired, a colorant and a deodorant mixture. Granulated into granules.
[0016]
As the vegetable adhesive, starches and agricultural products containing starch can be used. As starches, corn starch, sweet potato starch, potato starch, tapioca starch and the like can be used. As the agricultural products containing starch, corn, rice, wheat, wheat, root vegetables and the like can be used.
[0017]
As the inorganic filler, calcium carbonate, zeolite, talc and the like can be used.
[0018]
Food coloring agents can be used as coloring agents.
Citric acid or the like can be used as a deodorant.
[0019]
The animal excrement treating agent of the present invention is produced as follows.
(1) A rice bran and a defatted rice bran, a vegetable adhesive, an inorganic filler, dried okara, and a deodorant are stirred at room temperature with a mixer, and a colorant solution is further added and stirred.
[0020]
(2) The mixture obtained in the above (1) is pressed into a die of a granulator, pressurized and granulated to form porous particles having an infinite number of holes (gap such as independent holes and continuous holes).
[0021]
At the time of stirring the above mixture (1), a small amount of water is added. The water can be added in the form of an aqueous solution of the colorant. The amount of water added is adjusted according to the variation of the raw materials to be supplied, seasonal factors, and the like. In the standard case, the total weight of rice bran, defatted rice bran, vegetable adhesive, inorganic filler, and dried okara is preferably 100%. 2 to 4%, more preferably 2.5 to 3.5%, and most preferably 3%.
[0022]
The size of the pores of the porous particles and the distribution density of the pores can be adjusted by adjusting the amount of water added at the time of stirring the mixture described in (1) and adjusting the shape of the die and the pressing force of the granulator described in (2). . A small pressure can increase the amount of urine absorbed and adsorbed by the particles, and a large pressure can increase the mechanical strength of the particles.
[0023]
The animal excrement disposal material of the present invention has the following effects.
(Action corresponding to claim 1)
(1) Rice bran is a by-product of rice polishing, and defatted rice bran is a residue after squeezing rice oil and both have low raw material costs (rice bran is cheaper than defatted rice bran), and these are the main components. The cost of the animal excrement treating material can be reduced.
[0024]
(2) Rice bran and defatted rice bran are vegetable and have good disposal properties such as incineration after absorption of manure, biodegradation, and flushability in flush toilets.
[0025]
(3) Although rice bran has excellent deodorizing properties, rice bran alone has low water absorption, is non-coagulable, hardly absorbs manure, and has a low degree of agglomeration after absorbing manure. Although defatted rice bran has excellent deodorizing properties, it has high absorbency and has coagulation properties, it is a fine powder and has a smooth surface, and it is difficult to become porous when granulated. Due to the difficulty of formation, it is not possible to expect rapid and large absorption of manure by introduction of manure into the pores and adsorption of manure on the wall surfaces of the pores. On the other hand, when the rice bran and the defatted rice bran are mixed and granulated, they form homogeneously dispersed porous particles to form independent pores or continuous pores, and are promptly introduced by introducing manure into the pores. Promotes the absorption of a large amount of manure and the adsorption of manure to the wall surfaces of the pores, and exhibits a high degree of deodorization of manure due to the excellent deodorizing properties of both.
[0026]
(Action corresponding to claim 2)
{Circle around (4)} Inclusion of a vegetable adhesive enhances the degree of agglomeration of the porous particles that have absorbed manure. The plant-based adhesive may be formed by adhering the porous particles to each other to form a mass, removing only the agglomerated portion and discarding the mass, and improving the removability at the time of disposal.
[0027]
(Action corresponding to claim 3)
{Circle around (5)} Inclusion of dried okara improves the underwater decomposability of absorbing the excrement of urine and causing the agglomerates of the agglomerated porous particles to break up in water, and improves the rinsability by a flush toilet.
[0028]
(Action corresponding to claim 4)
(6) Inclusion of an inorganic filler enhances the mechanical strength of the porous particles, prevents the granulated particles from disintegrating and disintegrating during the distribution-use stage, and uses the cat-treated animal excrement treating agent as a cat. Can be prevented from adhering to the sole of the foot and dissipating.
[0029]
Further, the appearance of the animal excrement disposal material can be improved by adding a coloring agent. In addition, the addition of a deodorant can suppress the peculiar smell of rice bran, defatted rice bran, and vegetable fiber from dried okara. When citric acid is used as the deodorant, the amount added is 5 g per 1 kg of the total flow of rice bran, defatted rice bran, vegetable adhesive, inorganic filler, and dried okara.
[0030]
Hereinafter, the results of an experiment on the optimization of the mixing ratio of each component constituting the animal excrement disposal material of the present invention will be described.
[0031]
Each component (rice bran, defatted rice bran, corn starch, calcium carbonate, and dried okara) of the animal excrement treating material of the present invention example in Table 1 was used using a compression granulator (production capacity 200 kg / hour, die diameter 3.5 mm). ), Each component (pulp fiber, corn starch, and calcium carbonate) of the paper-based animal manure processing material of the comparative example in Table 2, and each component (dried okara and okara-based material of the comparative example of Table 3) A corn starch and calcium carbonate) each having a total weight of 5 kg and an aqueous solution prepared by dissolving 1.5 g of food color No. 1 (blue), 1 g of yellow color No. 4 and 25 g of citric acid in 150 cc of water were used as test specimens. Deodorization degree, agglomeration degree, and decomposability in water were evaluated. The evaluation shows that the evaluation becomes worse in the order of extraordinary, excellent, good, good, and bad.
[0032]
[Table 1]
[Table 2]
[Table 3]
According to Table 1, in the animal manure treatment material of the present invention, the degree of deodorization is increased by mixing rice bran and defatted rice bran, and the deodorization degree is increased as the total weight of both is increased (Example 2 of the present invention). And 3, and Invention Examples 8 and 9). The more the rice bran is added to the defatted rice bran, the less the solidification of the rice bran and the lower the degree of agglomeration (Examples 2 and 3, Invention Examples 8 and 9, Invention Example 4, and Invention Example 10). ), If the amount of defatted rice bran is too much with respect to rice bran, the porous granulation becomes insufficient, the water absorption of manure is not sufficient, and the degree of clumping is low (Examples 6, 7, and 7 of the present invention). 12) is recognized.
[0036]
Further, according to Table 1, in the animal excrement treating material of the present invention, it is recognized that the degree of agglomeration decreases when the amount of corn starch added is too small (Example 19 of the present invention).
[0037]
Further, according to Table 1, in the animal excrement treating material of the present invention, the amount of dried okara added was negligible or too small, and the degradability in water deteriorated (Examples 4, 7, and 7 of the present invention). 10, Inventive Example 12, Inventive Example 14, Inventive Example 15, and Inventive Example 16).
[0038]
In addition, in Example 21 of the present invention in Table 1, since the amount of calcium carbonate added was too small, powdering of the porous particles was observed.
[0039]
In addition, in Examples 20 and 22 of the present invention in Table 1, corn starch and calcium carbonate were added in excessive amounts, and the raw material cost was increased. In addition, Examples 1 to 3, 5, 6, 8, 9, 11, 13, and 23 of the present invention in Table 1 had excessive amounts of dried okara and increased raw material costs.
[0040]
Further, in the animal excrement treating material of the present invention, when a substitute for corn starch is used as a vegetable adhesive and a substitute for calcium carbonate is used as an inorganic filler, the case of the present invention in Table 1 is not satisfied. Similar results were obtained.
[0041]
Therefore, the preferred compounding ratio of the animal excrement treating agent of the present invention is a total weight of rice bran, defatted rice bran, a vegetable adhesive such as corn starch, an inorganic filler such as calcium carbonate, and dried okara 100% (food color and deodorant). 25-35%, more preferably 28-32%, optimally 30% for rice bran, 33-43%, more preferably 36-40% for defatted rice bran. 38% optimally, 8-12%, more preferably 9-11%, optimally 10% for vegetable adhesives, 8-12%, more preferably 9% for inorganic fillers. １１11%, optimally 10%, and dried okara 10-14%, more preferably 11-13%, optimally 12%.
[0042]
In Comparative Example A1 of the paper animal excrement treating material in Table 2, it is recognized that the deodorization degree of the excrement is low.
[0043]
In Comparative Example B1 of the manure treatment material for okara-based animals shown in Table 3, the deodorization degree of manure is almost good, but the amount of dry okara added is large, and the raw material cost increases.
[0044]
Next, the experimental results of the animal excrement treating material having the above-described optimum mixing ratio of the present invention will be described in detail.
[0045]
(A) Rice bran 1.5 kg (30%), defatted rice bran 1.9 kg (38%), corn starch 0.5 kg (10%), calcium carbonate 0.5 kg (10%), dried okara 0.6 kg (12%) ), 25 g of citric acid were mixed and stirred by a mixer for 2 minutes, and an aqueous solution in which 1.5 g of food color blue No. 1 and 1 g of yellow color No. 4 were dissolved in 150 cc of water was added to the mixture, and further mixed and stirred for 5 minutes. This mixture is put into a hopper of a granulator and discharged from a tip die at a discharge speed of 200 kg / hour. The animal is a yellow-green colored amorphous piece porous animal having a diameter of 3.5 mm and a length of 4 to 7 mm. About 5 kg of manure treatment material was obtained. This was adjusted to a treatment material having a water content of 7.5% which was most stabilized as a product in a hot air fluidized drier set at 80 ° C. The moisture content of the animal excrement disposal material of the present invention obtained by repeating the test is preferably 6 to 9%, more preferably 7 to 8%, and most preferably 7.5%. In addition, as a result of using the animal manure treated material colored yellowish green on a cat as a test, there was no difference in the usage status from that of non-colored animal, and the pigment was stable even after absorption of manure, and no outflow of the pigment occurred.
[0046]
(B) The deodorizing power of the animal excrement treating material obtained in (A) was examined in the following manner. 50 g of animal excrement disposal material was put into a glass Erlenmeyer flask (capacity: about 3.36 L), 20 mL of ammonia water (concentration: 0.01%) was added, sealed and left for 1 hour. The ammonia concentration was measured. As a result, the ammonia concentration was 0.8 ppm compared to 53.3 ppm when the animal excrement disposal material was not added, and almost no ammonia smell was confirmed.
[0047]
(C) The animal excrement disposal material obtained in (A) was spread over a pet toilet container to a depth of about 80 mm, and 20 mL of diluted ammonia water (concentration: 0.01%) warmed to 30 ° C. was dropped by a syringe. After a lapse of 30 minutes, the aqueous ammonia was agglomerated into a lump slightly larger than the golf ball at a depth of 50 mm or less from the upper surface, and could be easily taken out.
[0048]
(D) As a result of flowing the lump of (C) into a flush toilet, the lump was easily disintegrated and decomposed in water, and could be smoothly rinsed.
[0049]
The embodiments of the present invention have been described in detail above. However, the specific configuration of the present invention is not limited to the embodiments, and the present invention is applicable even if there is a change in a range that does not depart from the gist of the present invention. include. For example, the animal excrement treating material of the present invention contains rice bran and defatted rice bran, contains rice bran and defatted rice bran and a vegetable adhesive, contains rice bran and defatted rice bran and a vegetable adhesive and dried okara. Any of those containing rice bran, defatted rice bran, vegetable adhesive, dried okara, and an inorganic filler may be used.
[0050]
(2nd Embodiment)
The present inventor has studied whether rice bran, which is inexpensive and can be expected to have a deodorizing effect, can be used as a raw material, not as an additive, in animal excrement treating materials. However, even if rice bran is granulated because it contains oil, or mixed with other minerals, paper powder, wood flour, and okara, it repels water, impeding urine absorption. As a result, it could not be used as it is as a raw material for animal excrement processing materials.
[0051]
The present inventor focused on defatted rice bran, which is a by-product of an oil and fat factory that crushes rice oil from rice bran. The defatted rice bran, which is a by-product after oil extraction, has the ability to absorb urine that was not obtained with rice bran because the oil and fat content has been removed, and is a material deserving enough to be used as a raw material for animal excrement processing materials. It was found to have deodorant power. That is, the present invention mixes defatted rice bran as an optimal deodorizing material as a raw material for animal excrement treating materials for the first time to produce an animal excrement treating material with an epoch-makingly high deodorizing degree.
[0052]
The animal excrement treating material of the present invention contains defatted rice bran as a main component. The animal excrement treating material of the present invention comprises, in addition to those made of defatted rice bran alone, wood powder, paper powder, minerals or okara, etc., and, if desired, a polymer absorber, a coloring agent, and a deodorant. The added mixture can be granulated into porous particles for use.
[0053]
The animal excrement treating agent of the present invention is produced as follows.
(1) Add desired polymer absorber, deodorant, desired wood flour, paper powder, mineral or okara to defatted rice bran, stir with a mixer at room temperature, and add colorant solution. And stir.
[0054]
(2) The mixture obtained in the above (1) is pressed into a die of a granulator, pressurized and granulated to form porous particles having an infinite number of holes (gap such as independent holes and continuous holes).
[0055]
At the time of stirring the above mixture (1), a small amount of water is added. The water can be added in the form of an aqueous solution of the colorant.
[0056]
The size of the pores of the porous particles and the distribution density of the pores can be adjusted by adjusting the amount of water added at the time of stirring the mixture described in (1) and adjusting the shape of the die and the pressing force of the granulator described in (2). . A small pressure can increase the amount of urine absorbed and adsorbed by the particles, and a large pressure can increase the mechanical strength of the particles.
[0057]
The animal excrement disposal material of the present invention has the following effects.
(Action corresponding to claim 6)
(1) The defatted rice bran is a residue obtained after squeezing rice oil and has a low raw material cost, and can reduce the cost of the animal excrement treating material containing these as a main component.
[0058]
(2) The defatted rice bran is plant-based and has good disposal properties such as incineration and biodegradation after absorption of manure and flushability in flush toilets.
(3) The defatted rice bran exhibits a high degree of deodorization for manure due to its strong deodorizing properties.
[0059]
Hereinafter, the verification results of the deodorizing power of the animal excrement treating agent containing the defatted rice bran of the present invention will be described (Tables 4 to 8).
[0060]
[Table 4]
[Table 5]
[Table 6]
[Table 7]
[Table 8]
(A) Each component of the animal excrement treating agents of Tables 4 to 8 (wood flour, defatted rice bran and polymer absorber, paper powder, defatted rice bran and polymer absorber, bentonite and defatted rice bran, dried okara and defatted After mixing 2 kg of the raw materials of rice bran and corn starch, and defatted rice bran and corn starch) for 3 minutes with a mixer, the mixture was put into a 50 kg / hour compression-type granulator from a quantitative feeder and extruded from a die diameter to a length of 4 mm. The resultant was cut into a size of about 7 mm, and dried in a dryer to obtain a columnar pellet-shaped animal manure material having a moisture content of 7.5%.
[0066]
(B) The degree of deodorization of the animal excrement disposal material obtained in (A) was measured in the following manner. 50 g of animal excrement disposal material was put into a glass Erlenmeyer flask (capacity: 3.36 L), 20 ml of aqueous ammonia (0.01%) was added, the solution was sealed, left to stand for 1 hour, and the ammonia concentration in the flask was measured. .
[0067]
In the case of Example 1 in Table 4, 90% wood flour, 10% polymer absorber (adhesive), 0 degreased rice bran, ammonia concentration of 15.2 ppm, and in Example 5 in Table 4, 50% wood flour, polymer The ammonia concentration was reduced to 1.8 ppm with the blending of the absorber (adhesive) 10% and the defatted rice bran 40%, and it was confirmed that there was surprising deodorizing power.
[0068]
Hereinafter, as shown by the numerical values of the ammonia concentrations of Examples 1 to 20 in Tables 4 to 7, it was verified that the deodorizing power was increased without exception by the inclusion of defatted rice bran.
[0069]
In the case of 90% of defatted rice bran and 10% of corn starch in Example 21 of Table 8, granulated pellets are hard and glossy on the surface, and odors cannot be taken into the pellets, so that the degree of deodorization does not decrease. I think that the.
[0070]
In order to use defatted rice bran as a raw material for animal excrement disposal materials, it is desirable to mix it with other raw materials instead of alone and finish it into porous granules.
[0071]
【The invention's effect】
As described above, according to the present invention, it is possible to obtain an animal excrement disposal material having a high degree of deodorization of absorbed excrement.
[0072]
Further, according to the present invention, it is possible to obtain an animal excrement disposal material which is low in cost, has good disposal properties, and has a high degree of deodorization of absorbed excrement.
[0073]
Further, according to the present invention, while being low cost, the disposal property is good, the degree of deodorization of the absorbed manure is high, the degree of agglomeration after absorbing the manure is increased, and the takeout property at the time of disposal is improved. An animal excrement treating material can be obtained.
[0074]
Further, according to the present invention, while being low cost, the disposal property is good, the deodorization degree of the absorbed manure is high, the degree of agglomeration after absorbing the manure is increased, and the removal property at the time of disposal is improved. In addition, it is possible to obtain an animal excrement treating material having improved decomposability in water during the washing process.
[0075]
Further, according to the present invention, while being low in cost, the disposal property is good, the deodorization degree of the absorbed manure is high, the degree of agglomeration after absorbing the manure is increased, and the take-out property at the time of disposal is improved. At the same time, it is possible to obtain an animal excrement treating material that improves the decomposability in water during the washing process and further prevents powdering of the porous particles.
Claims (6)
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| JP2002365933A JP3692352B2 (en) | 2002-03-27 | 2002-12-17 | Animal manure treatment material |
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| JP2002089717 | 2002-03-27 | ||
| JP2002365933A JP3692352B2 (en) | 2002-03-27 | 2002-12-17 | Animal manure treatment material |
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| JP3692352B2 JP3692352B2 (en) | 2005-09-07 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006101714A (en) * | 2004-09-30 | 2006-04-20 | Daiki:Kk | Excrement-treating granular material and method for producing the same |
| JP2006288227A (en) * | 2005-04-07 | 2006-10-26 | Engel:Kk | Animal-rearing material using cottonseed refuse |
| JP2009539382A (en) * | 2006-06-06 | 2009-11-19 | グレイン プロセシング コーポレーション | Animal litter, method for preparing animal litter, and method for removing animal waste |
| CN102687668A (en) * | 2012-06-26 | 2012-09-26 | 王洪恩 | Cat litter prepared from dry bean dregs and preparation method thereof |
| CN103392610A (en) * | 2013-07-03 | 2013-11-20 | 芜湖悠派卫生用品有限公司 | Cat litter utilizing clumping wood flour and waste residues |
| JP2014103961A (en) * | 2012-11-30 | 2014-06-09 | Daiki:Kk | Water absorbing and treating material |
| JP2021058676A (en) * | 2019-01-18 | 2021-04-15 | 高島 伴治 | Hygroscopic material-containing deodrant powder and deodrization method |
| KR20220086884A (en) * | 2020-12-17 | 2022-06-24 | 표 송 | Cat sand additives |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01130651U (en) * | 1988-02-26 | 1989-09-05 | ||
| JP2002051659A (en) * | 2000-08-07 | 2002-02-19 | Unitika Ltd | Material for treating animal excrement |
| JP2002058372A (en) * | 2000-06-06 | 2002-02-26 | Oyodo Consultant Kk | Flooring material for rearing animal, method for producing the same and method for using the same |
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- 2002-12-17 JP JP2002365933A patent/JP3692352B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01130651U (en) * | 1988-02-26 | 1989-09-05 | ||
| JP2002058372A (en) * | 2000-06-06 | 2002-02-26 | Oyodo Consultant Kk | Flooring material for rearing animal, method for producing the same and method for using the same |
| JP2002051659A (en) * | 2000-08-07 | 2002-02-19 | Unitika Ltd | Material for treating animal excrement |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006101714A (en) * | 2004-09-30 | 2006-04-20 | Daiki:Kk | Excrement-treating granular material and method for producing the same |
| JP4630963B2 (en) * | 2004-09-30 | 2011-02-09 | 株式会社大貴 | Granular excrement disposal material and production method |
| JP2006288227A (en) * | 2005-04-07 | 2006-10-26 | Engel:Kk | Animal-rearing material using cottonseed refuse |
| JP2009539382A (en) * | 2006-06-06 | 2009-11-19 | グレイン プロセシング コーポレーション | Animal litter, method for preparing animal litter, and method for removing animal waste |
| CN102687668A (en) * | 2012-06-26 | 2012-09-26 | 王洪恩 | Cat litter prepared from dry bean dregs and preparation method thereof |
| JP2014103961A (en) * | 2012-11-30 | 2014-06-09 | Daiki:Kk | Water absorbing and treating material |
| CN103392610A (en) * | 2013-07-03 | 2013-11-20 | 芜湖悠派卫生用品有限公司 | Cat litter utilizing clumping wood flour and waste residues |
| JP2021058676A (en) * | 2019-01-18 | 2021-04-15 | 高島 伴治 | Hygroscopic material-containing deodrant powder and deodrization method |
| JP7448127B2 (en) | 2019-01-18 | 2024-03-12 | 伴治 高島 | Deodorizing powder containing moisture absorbent and deodorizing method |
| KR20220086884A (en) * | 2020-12-17 | 2022-06-24 | 표 송 | Cat sand additives |
| KR102603812B1 (en) * | 2020-12-17 | 2023-11-16 | 표 송 | Cat sand additives |
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