WO2020255957A1 - 水の浄化材、及びそれを利用した水の浄化方法 - Google Patents
水の浄化材、及びそれを利用した水の浄化方法 Download PDFInfo
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- WO2020255957A1 WO2020255957A1 PCT/JP2020/023587 JP2020023587W WO2020255957A1 WO 2020255957 A1 WO2020255957 A1 WO 2020255957A1 JP 2020023587 W JP2020023587 W JP 2020023587W WO 2020255957 A1 WO2020255957 A1 WO 2020255957A1
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0225—Compounds of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt
- B01J20/0229—Compounds of Fe
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0211—Compounds of Ti, Zr, Hf
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- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/041—Oxides or hydroxides
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- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
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- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/2803—Sorbents comprising a binder, e.g. for forming aggregated, agglomerated or granulated products
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/42—Materials comprising a mixture of inorganic materials
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/163—Nitrates
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/166—Nitrites
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Definitions
- the present invention relates to purification of water in an aquarium or the like used for breeding, appreciation, aquaculture, etc. of aquatic organisms, and phosphorus (P) and ammonia (NH3) generated by excrement of the organism or residue of food.
- the purpose is to remove nitrite (NO 2 ), nitric acid (NO 3 ), etc., and to reduce "algae” and white-brown deposits on the glass surface of the aquarium.
- Patent Document 1 discloses a method in which a porous inorganic member contains an enzyme and the organic matter contained in water is decomposed by this enzyme.
- This method uses a proteolytic enzyme having a function of decomposing proteins, a lipolytic enzyme having a function of decomposing fat, and a starch degrading enzyme having a function of decomposing starch, but it is a commonly used water tank. In, water containing such organic substances is not used, and this expensive method is rarely used.
- Patent Document 2 discloses the adsorption and removal of ammonia and organic substances using an inorganic purifying material made from zeolite, magnesium aluminosilicate, natural zeolite, activated carbon and the like.
- This is a method for purifying water containing live fish and shellfish, and has a different purpose from the present invention. That is, in the case of live fish and the product of the present invention, the purification of water is the same, but in the case of live fish, the period for which water purification is required for the main purpose of transportation may be 1 to 3 days, and during that period, " Since it does not give food, it produces less nitric acid and nitrite. Therefore, nothing is stated in this document regarding the ability to adsorb and remove phosphorus, nitrite, nitric acid and the like.
- Patent Document 3 As a purifying agent that adsorbs and removes phosphorus components in water, iron oxyhydroxide having a large specific surface area is neutralized (Patent Document 3), and a mixed solution of ferrous sulfate and ferric sulfate is neutralized.
- Patent Document 6 anion-adsorbing amorphous ferric hydroxide
- Patent Document 7 anion-adsorbing amorphous ferric hydroxide
- An object of the present invention is to breed aquatic organisms and to manufacture a purifying material for an ornamental aquarium. That is, it is to provide a method for producing a purifying material that purifies water by adsorbing and removing phosphorus, ammonia, nitrite, nitric acid and the like excreted from aquatic organisms.
- the present inventors have studied the wastewater treatment of iron-based flocculants for many years and examined the removal of various harmful substances.
- iron hydroxide adsorbs "phosphorus” and “ammonia”
- the present invention is based on these findings, and the mixing ratio of zeolite, ferric hydroxide, activated carbon, titanium oxide, and magnesium hydroxide is the weight ratio. It is a water purifying material having a composition of 6 to 7: 1 to 2: 0.5 to 1: 0.01 to 0.05: 0.01 to 0.10.
- the weight ratio of zeolite to 6 to 7 is not suitable for this purpose because the adsorption amount of ammonia, nitric acid, nitrite, etc. is small when the weight ratio is 6 or less, and the adsorption amount of phosphorus is small when the weight ratio is 7 or more. ..
- the mixing ratio of iron hydroxide is 1 to 2
- the amount of phosphorus adsorbed is small when it is 1 or less
- the amount of ammonia, nitrite, and nitric acid is adsorbed when it is 2 or more, which does not meet the object of the present invention.
- Activated carbon is not directly involved in the removal of phosphorus, ammonia, nitrite, and nitric acid, which is the object of the present invention, but has the effect of not generating "turbidity" at the start of use.
- the weight ratio of 0.5 to 1 is not preferable because it takes time and effort because the weight ratio is 0.5 or less, which is a problem when used, and the condition of aquatic organisms cannot be visually observed. Also, 1 is sufficient. Therefore, if you increase it further, it will be less cost effective.
- the titanium oxide was set to 0.01 to 0.05 because the function as a photocatalyst is poor and the effect cannot be exhibited when the titanium oxide is 0.01 or less. If it is 0.05 or more, the pores of zeolite and iron hydroxide are clogged, and the adsorption capacity of phosphorus, ammonia, nitrite and nitric acid decreases.
- Magnesium hydroxide is set to 0.01 to 0.10 because it does not have the ability to stabilize the pH below 0.01, and the pH changes to acidic or alkaline depending on the organism, while above 0.10 it is more likely to become alkaline, and in some cases The creature dies.
- the time required to prevent the adhesion of green cotton-like substances and white-brown deposits adhering to the glass of the aquarium is 2 conventional. More than double. This means that the number of times the aquarium is cleaned is proportionally less.
- the product of the present invention adsorbs and removes phosphorus, ammonia, nitrite, nitric acid, etc. and keeps the water quality constant by the action of magnesium, so that the number of water exchanges is reduced and at the same time there is less adhesion of green algae and white-brown deposits.
- the feature is that the transparency of the glass is maintained and the beautiful state continues. The breeding creatures also live for a long time.
- zeolite, ferric hydroxide, activated carbon, titanium oxide, and magnesium hydroxide crushed to 30 mesh or less are mixed at a weight ratio of 6.5: 1.5: 0.1: 0.01: 0.08 to a diameter of 2 to 3 mm ⁇ .
- PVA was used as a binder for granulation.
- iron hydroxide hereinafter referred to as “conventional product”
- conventional product iron hydroxide
- Phosphoric acid, ammonia, nitrite, nitric acid when using 10 L of water, 10 neon tetras and aquatic plants in a rectangular aquarium 17 cm long, 30 cm wide and 24 cm high, and using the product of the present invention and the conventional product.
- concentration and pH in water are compared and shown in the graph.
- the measurement was performed once a day by collecting an appropriate amount of water in the aquarium with a dropper.
- the measuring instruments used are as follows.
- Phosphoric acid Measuring device: Digital pack test DPM2-PO4 (manufactured by Kyoritsu Institute of Physical and Chemical Research) Ammonia: Measuring device: Digital pack test DPM2-NH4 (manufactured by Kyoritsu Institute of Physical and Chemical Research) Nitrite: Measuring device: Digital pack test DPM2-NO2 (manufactured by Kyoritsu Institute of Physical and Chemical Research) Nitrate: Measuring device: Digital pack test DPM2-NO3 (manufactured by Kyoritsu Institute of Physical and Chemical Research) pH: Portable pH meter WM-32P (manufactured by Toa DKK)
- phosphoric acid and ammonium are not detected in water until the 50th day, whereas in the conventional product, the concentration of phosphoric acid is 0.03 to 0.04 mg / L and that of ammonium is 0.3 mg / L.
- the content of nitrite in the water of the product of the present invention is half that of the conventional product (after the 20th day), but this is due to the action of TiO2, magnesium, etc., and the difference from the conventional product is functional. Is also clear. That is, it was thought that bacteria were acting on the generation and elimination of this kind of nitrite, but from this result, it is considered that it is due to the action by the "photocatalyst" and the reaction with magnesium. In particular, the decrease after the 20th day cannot be explained (in the bacterial theory). The same applies to the comparison result of nitric acid.
- the pH (pH) result is a summary of the above results.
- the product of the present invention generates less of all acids including nitric acid than the conventional product, and the alkali can contribute to magnesium and the like, so that the pH changes. Does not occur.
- the product of the present invention has 50 days or more. It does not occur even after the passage.
- the conventional product requires 15 to 20 days for water exchange due to deterioration of water quality, and in Fig. 2, this is compared to the conventional product in which moss-like algae in the aquarium occur on the 30th day.
- mossy algae grow for more than 50 days.
Abstract
Description
6~7:1~2:0.5~1:0.01~0.05:0.01~0.10の組成
よりなる水の浄化材である。
対照となる浄化剤としては、市販の浄化材の主成分である水酸化鉄(以下「従来品」という。)を使用した。
測定は一回/日の頻度で、適量の水槽水をスポイトで採取して行った。使用した測定機器は以下のとおりである。
リン酸: 測定装置:デジタルパックテスト DPM2-PO4(共立理化学研究所製)
アンモニア:測定装置:デジタルパックテスト DPM2-NH4(共立理化学研究所製)
亜硝酸: 測定装置:デジタルパックテスト DPM2-NO2(共立理化学研究所製)
硝酸: 測定装置:デジタルパックテスト DPM2-NO3(共立理化学研究所製)
pH:ポータブルpH計 WM-32P(トーアDKK製)
本発明品は、リン酸、アンモニウムは50日目までは水中に検出されないのに対し、従来品は、リン酸が0.03~0.04mg/L、アンモニウムが0.3mg/Lの濃度になっている、これは本発明品が従来品に比べて大変優れており、水質の安定が大であることを示している。
本発明品は亜硝酸でも従来品に比べて水中の含有量が1/2なっているが(20日目以降)これはTiO2、マグネシウム等の働きによるもので従来品との差が機能的にも明確になっている。即ちこの種の亜硝酸の発生、消去はバクテリアが作用していると考えられていたが、この結果を見ると「光触媒」による働きやマグネシウムとの反応によると考えられる。特に20日目以降の減少は説明できなくなる(バクテリア説では)。硝酸の比較結果でも同様である。
pH(ペーハー)の結果は以上の結果をまとめたもので、本発明品は従来品より硝酸をはじめとして、すべての酸の発生が少なく、その上マグネシウム等によりアルカリが寄与できるのでpHの変化が生じない。
本実施の他に、金魚、グッピー等で行ったがほゞ同じ結果が得られた。
Claims (1)
- ゼオライト、水酸化第二鉄、活性炭、酸化チタン、水酸化マグネシウムの混合比が重量比で
6~7:1~2:0.5~1:0.01~0.05:0.01~0.10の組成
よりなる水の浄化材。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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CA3140624A CA3140624A1 (en) | 2019-06-20 | 2020-06-16 | Water purification material and water purification method using same |
CN202080044828.0A CN114340783A (zh) | 2019-06-20 | 2020-06-16 | 水净化材料和使用其的水净化方法 |
AU2020296520A AU2020296520A1 (en) | 2019-06-20 | 2020-06-16 | Water purification material and water purification method using same |
US17/619,868 US20220355266A1 (en) | 2019-06-20 | 2020-06-16 | Water purification material and water purification method using same |
EP20827260.9A EP3988203A4 (en) | 2019-06-20 | 2020-06-16 | WATER PURIFYING MATERIAL AND WATER PURIFYING APPARATUS USING THE SAME |
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JP2019114389A JP7154598B2 (ja) | 2019-06-20 | 2019-06-20 | 水の浄化材、及びそれを利用した水の浄化方法 |
JP2019-114389 | 2019-06-20 |
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EP (1) | EP3988203A4 (ja) |
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AU2020296520A1 (en) | 2022-02-03 |
TW202106377A (zh) | 2021-02-16 |
TWI758753B (zh) | 2022-03-21 |
US20220355266A1 (en) | 2022-11-10 |
CN114340783A (zh) | 2022-04-12 |
EP3988203A1 (en) | 2022-04-27 |
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