Methods and systems for treating produced water
US-2015376033-A1 · Dec 31, 2015 · US
Prussian blue-based coagulant and microplastic coagulation method using the same
US2024174535A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2024174535-A1 |
| Application number | US-202318331396-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jun 8, 2023 |
| Priority date | Nov 24, 2022 |
| Publication date | May 30, 2024 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
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The present disclosure relates to a Prussian blue-based coagulant and a microplastic coagulation method using the same, which may effectively coagulate microplastics having a size of less than 20 μm or nanoplastics and implement an environmentally harmless coagulation process, and the Prussian blue-based coagulant according to the present disclosure refers to Prussian blue being used as a coagulant for microplastics present in a water-system environment.
First claim
Opening claim text (preview).
What is claimed is: 1 . A Prussian blue-based coagulant comprising Prussian blue or Prussian blue analogue, wherein Prussian blue or Prussian blue analogue is used as a coagulant for microplastics present in a water-system environment. 2 . The Prussian blue-based coagulant according to claim 1 , wherein a chemical formula of the Prussian blue analogue is Me 1 Me 2 (CN 6 ) (wherein Me 1 and Me 2 are different transition metals). 3 . A microplastic coagulation method using a Prussian blue-based coagulant according to claim 1 , wherein the microplastic coagulation method comprises coagulating microplastics present in a water-system environment by using Prussian blue or Prussian blue analogue under visible-light irradiation. 4 . The microplastic coagulation method according to claim 3 , wherein a chemical formula of the Prussian blue analogue is Me 1 Me 2 (CN 6 ) (wherein Me 1 and Me 2 are different transition metals). 5 . The microplastic coagulation method according to claim 3 , wherein a pH of the water-system environment where the microplastics are present is neutral or alkaline. 6 . The microplastic coagulation method according to claim 4 , wherein a pH of the water-system environment where the microplastics are present is neutral or alkaline.
Assignees
Inventors
Classifications
Organic compounds · CPC title
Simple or complex iron cyanides · CPC title
- C02F1/5236Primary
using inorganic agents · CPC title
- C02F1/30Primary
by irradiation · CPC title
containing nitrogen · CPC title
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- What does patent US2024174535A1 cover?
- The present disclosure relates to a Prussian blue-based coagulant and a microplastic coagulation method using the same, which may effectively coagulate microplastics having a size of less than 20 μm or nanoplastics and implement an environmentally harmless coagulation process, and the Prussian blue-based coagulant according to the present disclosure refers to Prussian blue being used as a coagu…
- Who is the assignee on this patent?
- Korea Inst Sci & Tech
- What technology area does this patent fall under?
- Primary CPC classification C02F1/5236. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu May 30 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).