JP6322762B1 - 炭化物の製造方法 - Google Patents
炭化物の製造方法 Download PDFInfo
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Abstract
Description
実施例1では,図1に示した構造の焼成装置を利用して炭化物を製造した。まず,灯油窯の焼成炉1内に,380mm角×高さ260mmの外匣鉢4を設置し,その内部に280mm角×高さ130mmの内匣鉢6を収容するとともに,その内匣鉢6を籾殻5内に埋没させた。また,内匣鉢6内に,小豆2kgと水1リットルを投入した。その後,ガスバーナー2を着火し,焼成炉1内の温度を監視しながら,炉内の温度が450℃に達するまで5時間昇温し,その後450℃で1時間保持して,ガスバーナー2を消火した。その後,24時間かけて自然冷却して焼成炉1内の温度を平温(25℃)まで降下させた。内匣鉢6内の小豆は,その原形を留めたまま完全に炭化しており,これにより小豆由来の炭化物が得られた。また,炭化物に対してジェットミル粉砕及び湿式粉砕を行って粒度分布のピークが10μm以下となり平均粒子径が0.071μmとなった微粒子を得た。
・使用機器:アルバック・ファイ株式会社製 PHI Quantera II
・測定条件:X線条件:100μm25W
:検出角度:45°
:Pass energy:280eV
:積算回数:3回
:分析範囲:0~1100eV
:プリスパッタ:なし
比較例1では,実施例1とは異なる方法で得られた炭化物微粒子と純水を混合したもの(炭化物含有水)を,ラジウム鉱石粉末と楮繊維を定着させるためのバインダーとして用いる試験を行った。比較例1では,実施例1の炭化物の効果を確認すべく,実施例1とは異なる方法で低酸素状態を生成し,小豆を炭化させた。すなわち,まず,灯油窯の焼成炉内に,280mm角×高さ130mmの匣鉢(実施例1の内匣鉢6と同じもの)を配置し,その匣鉢内に小豆2kgを投入した。このとき,小豆の充填時に匣鉢から空気を吸引排気し,その代わりに窒素ガスを吹き込んで匣鉢の蓋を密閉した。その後,実施例1と同様の加熱条件で小豆を炭化させた。すなわち,ガスバーナーを着火し,焼成炉内の温度を監視しながら,炉内の温度が450℃に達するまで5時間昇温し,その後450℃で1時間保持して,ガスバーナーを消化した。その後,24時間かけて自然冷却して焼成炉内の温度を平温(25℃)まで降下させた。匣鉢内の小豆は,その原形を留めたまま完全に炭化しており,これにより小豆由来の炭化物が得られた。また,炭化物に対してジェットミル粉砕及び湿式粉砕を行って粒度分布のピークが10μm以下となり平均粒子径が0.071μmとなった微粒子を得た。そして,ここで得られた炭化物微粒子と純水を混合したもの(炭化物含有水)を,ラジウム鉱石粉末と楮繊維を定着させるためのバインダーとして用いる試験を行った。つまり,和紙作成用の紙漉器を利用して,シート状のラドンガス発生源を製造した。炭化物の製造条件が異なる以外は,ラドンガス発生源の製造条件は上記実施例1と同じである。
図3及び図4に示されるように,本発明の製造方法により得られた炭化物微粒子(或いは炭化物)は,その表面に微小空洞が無数に形成された状態ではなく,むしろ表面が滑らかな状態であり,また,その表面にカルボキシル基やフェノール性水酸基を構成する酸素原子が多量に残存していることが判った。このような化学的活性により,この炭化物微粒子には以下の様な応用例が考えられる。
3…温度計 4…外匣鉢
5…固形燃材 6…内匣鉢
7…植物 8…液体
Claims (3)
- 炭化物の製造方法であって,
焼成炉(1)内に熱源(2)と外匣鉢(4)を設け,前記外匣鉢(4)内に固形燃材(5)と内匣鉢(6)を設け,前記内匣鉢(6)を前記固形燃材(5)に埋没した状態とし,前記内匣鉢(6)内に前記炭化物の元となる植物(7)を収容する工程と,
前記熱源(2)によって前記焼成炉(1)内を加熱する工程と,を含み,
前記加熱する工程では,
前記焼成炉(1)内の最高温度が400〜500℃となり,当該最高温度の到達時間が4〜6時間となるように,前記熱源(2)を昇温し,
前記焼成炉(1)内の温度が前記最高温度に達した後に当該最高温度を0.5〜1.5時間維持し,
その後前記熱源(2)による加熱を停止して,前記焼成炉(1)内の温度が40℃以下となるまで自然冷却し,
これにより前記植物(7)を炭化させる
炭化物の製造方法。 - 前記植物(7)は豆類である
請求項1に記載の炭化物の製造方法。 - 前記内匣鉢(6)内にさらに液体(8)が充填されている
請求項1に記載の炭化物の製造方法。
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH119992A (ja) * | 1997-06-25 | 1999-01-19 | Hokkaido Electric Power Co Inc:The | ガス吸収剤の製造方法 |
JP6082834B1 (ja) * | 2016-05-30 | 2017-02-15 | 未来環境研究機構株式会社 | シート状のラドンガス発生源の製造方法 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH119992A (ja) * | 1997-06-25 | 1999-01-19 | Hokkaido Electric Power Co Inc:The | ガス吸収剤の製造方法 |
JP6082834B1 (ja) * | 2016-05-30 | 2017-02-15 | 未来環境研究機構株式会社 | シート状のラドンガス発生源の製造方法 |
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