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US-11927007-B2 · Mar 12, 2024 · US
Engineered wetland device of continuous operation for wastewater treatment under low temperature
US8936725B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8936725-B2 |
| Application number | US-201213491124-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 7, 2012 |
| Priority date | Jan 9, 2012 |
| Publication date | Jan 20, 2015 |
| Grant date | Jan 20, 2015 |
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Abstract
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Constructed wetland wastewater treatment equipment under low temperature for continuous operation which includes: three-section substrates filled in a constructed wetland, ventilation pipes being arranged in the substrates, a height of a bed of the constructed wetland being higher than a height of the substrates; a double wall being filled with an organic substance used as a barrier at periphery of the constructed wetland; a water distributing pipe disposed at a top of the three-section substrates and a water collecting pipe disposed at a bottom of the three-section substrates; and a water inlet pipe connected to an upper portion at one end of the three-section substrates and a water outlet pipe connected to a lower portion at the other end of the three-section substrates, a water outlet of the water outlet pipe being higher than the height of the bed of the constructed wetland.
First claim
Opening claim text (preview).
What is claimed is: 1. Constructed wetland wastewater treatment equipment under a low temperature for continuous operation, comprising: three-section substrates vertically filled and parallel to each other in a constructed wetland, ventilation pipes being arranged in the substrates; a height of a bed of the constructed wetland being higher than a height of the substrates; a double wall used as a barrier at a periphery of the constructed wetland, an organic substance being fill…
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- C02F3/327Primary
Chemistry & Metallurgy · mapped topic
Cross-Sectional Technologies · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US8936725B2 cover?
- Constructed wetland wastewater treatment equipment under low temperature for continuous operation which includes: three-section substrates filled in a constructed wetland, ventilation pipes being arranged in the substrates, a height of a bed of the constructed wetland being higher than a height of the substrates; a double wall being filled with an organic substance used as a barrier at peripher…
- Who is the assignee on this patent?
- Xi Beidou, Zhang Lieyu, Gao Jixi, and 4 more
- What technology area does this patent fall under?
- Primary CPC classification C02F3/327. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jan 20 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). 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).