JP7395651B1 - 藻礁及びその製造方法 - Google Patents
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- IBIRZFNPWYRWOG-UHFFFAOYSA-N phosphane;phosphoric acid Chemical compound P.OP(O)(O)=O IBIRZFNPWYRWOG-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
- A01K61/78—Arrangements for sinking or mooring thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/70—Chemical treatment, e.g. pH adjustment or oxidation
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
Description
バイオマスを燃焼させて得られる灰の粉末と、前記灰の粉末と混在した状態で化学反応を起こして硬化した硬化剤と、を含み、
前記バイオマスを燃焼させて得られる灰の粉末は、鶏糞を燃焼させて得られる鶏糞燃焼灰を含む。
以上が、藻礁及びペレットの技術的な特徴である。
以上が、ペレットの製造方法の流れである。
次に、図3を参照して、実施の形態に係る藻礁の使用方法の流れを説明する。まず、ペレット表面に藻類の種苗、例えば、コンブの胞子体を付着させ、海水が貯められた水槽内である程度の大きさになるまで生長させる(ステップS21)。
以上が、藻礁の使用方法の流れである。
上記実施の形態では、主原料として石炭を燃焼させて得られた石炭灰を用いていたが、本発明はこれに限られない。バイオマスを燃焼させて得られたバイオマス燃料灰の粉末を用いてもよい。バイオマスには、例えば、木質、家畜糞、下水汚泥、農業残渣が含まれる。
実施例1では、石炭灰を主成分とするブロック状の基質A~Eを作成し、基質A~Eに付着させたリシリコンブの培養試験を行った。基質A~Eは、それぞれ図4に示す組成を有し、原材料を混練した後、水中養生、蒸気養生及び焼成のいずれかの方法により製造されている。水中養生では、例えば、温度20℃、湿度90%で2週間保管し、温度20℃の水中に沈めて2週間保管した。蒸気養成では、成形後ただちにビニール袋で密封し、温度90℃の蒸気に晒した状態で24時間~48時間保管した。
実施例2では、石炭灰を主成分とする基質A~Cでコンブ類以外の海藻類が生長するかどうかを検証した。石炭灰を主成分とする基質A~Cに北海道近海に生息するアカバギンナンソウ、アマノリ、オゴノリを付着させ、実施例1と同様の手順で培養試験を行った。
Claims (7)
- バイオマスを燃焼させて得られる灰の粉末と、前記灰の粉末と混在した状態で化学反応を起こして硬化した硬化剤と、を含み、
前記バイオマスを燃焼させて得られる灰の粉末は、鶏糞を燃焼させて得られる鶏糞燃焼灰を含む藻礁。 - 前記硬化剤は、消石灰及び半水石膏の少なくとも1つを含む、
請求項1に記載の藻礁。 - 前記藻礁は、骨材として炭酸カルシウムを含む粒状体及び砂利の少なくとも1つを含む、
請求項1又は2に記載の藻礁。 - 前記藻礁では、前記灰の粉末及び前記硬化剤を含むペレットが液体を通過可能な袋に収容されている、
請求項1又は2に記載の藻礁。 - 前記ペレットの表面には、濾過海水又は培地中で培養された藻類の種苗が予め付着している、
請求項4に記載の藻礁。 - 藻礁の製造方法であって、
バイオマスを燃焼させて得られる灰の粉末と、前記灰の粉末と混在した状態で化学反応を起こして硬化する硬化剤と、を混練する工程と、
混練された材料を成形する工程と、
成形された材料を硬化させる工程と、
を含み、
前記バイオマスを燃焼させて得られる灰の粉末は、鶏糞を燃焼させて得られる鶏糞燃焼灰を含む、
製造方法。 - 藻礁の製造方法であって、
石炭又はバイオマスを燃焼させて得られる灰の粉末と、前記灰の粉末と混在した状態で化学反応を起こして硬化する硬化剤と、骨材として炭酸カルシウムを含む粒状体と、を混練する工程と、
混練された材料を成形する工程と、
成形された材料を硬化させる工程と、
を含み、
前記炭酸カルシウムを含む前記粒状体は、二酸化炭素吸収設備で水酸化カルシウムが二酸化炭素と反応して生成されている、
製造方法。
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PCT/JP2023/016941 WO2023228685A1 (ja) | 2022-05-23 | 2023-04-28 | 藻礁及びその製造方法 |
JP2023122147A JP2023172967A (ja) | 2022-05-23 | 2023-07-27 | 藻礁及びその製造方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3123522U (ja) | 2006-05-08 | 2006-07-20 | 株式会社エコアッシュ | 藻場ブロック |
JP2006246878A (ja) | 2005-03-10 | 2006-09-21 | Sc Act:Kk | バイオマスを循環再生した海草礁、並びに装置 |
JP2009045006A (ja) | 2007-08-20 | 2009-03-05 | Jfe Steel Kk | 水中沈設用水和固化体 |
JP2017093425A (ja) | 2015-11-12 | 2017-06-01 | 太平洋セメント株式会社 | 魚礁または藻礁用の部材 |
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US5199377A (en) * | 1991-01-24 | 1993-04-06 | Jtm Industries, Inc. | Artificial reefs manufactured from coal combustion by-products |
JP2773067B2 (ja) * | 1993-05-14 | 1998-07-09 | 日本データーサービス株式会社 | 水生生物育成用多孔質成形体と該成形体からなる人工礁 |
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Patent Citations (4)
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JP2006246878A (ja) | 2005-03-10 | 2006-09-21 | Sc Act:Kk | バイオマスを循環再生した海草礁、並びに装置 |
JP3123522U (ja) | 2006-05-08 | 2006-07-20 | 株式会社エコアッシュ | 藻場ブロック |
JP2009045006A (ja) | 2007-08-20 | 2009-03-05 | Jfe Steel Kk | 水中沈設用水和固化体 |
JP2017093425A (ja) | 2015-11-12 | 2017-06-01 | 太平洋セメント株式会社 | 魚礁または藻礁用の部材 |
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