Removing nitrate from water

A nitrate and water tank technology, applied in the field of nitrate systems, can solve problems such as affecting animal health

Active Publication Date: 2019-09-13
GEORGIA AQUARIUM INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Nitrates, for example, can be a by-product of this uneaten animal feed and animal wa

Method used

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  • Removing nitrate from water
  • Removing nitrate from water
  • Removing nitrate from water

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Embodiment Construction

[0043] This document discusses an embodiment of a nitrogen removal system that operates to convert nitrate (e.g., soluble) in a water stream to nitrite and then, for example, to nitrous oxide (N x o x ), and then converted to nitrogen (N 2 ) to reduce the nitrate concentration in the water stream. In some aspects, the water flow originates from an animal habitat or other recirculating aquatic animal husbandry system that supports marine fish and other animals with a manufactured volume of salt water (or a volume of fresh water). For example, the denitrification system described in this disclosure utilizes a recirculation loop to increase the hydraulic retention time of the water stream within the denitrification system, thereby increasing the efficiency of the denitrification process. In some aspects, the nitrogen removal process is an autotrophic sulfur removal process that also includes pH balancing of the water to increase the efficiency of the nitrogen removal process. ...

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Abstract

A sulphur de-nitrification system includes a liquid input fluidly coupled to a source of saltwater that includes nitrate; a liquid output fluidly coupled to the source of saltwater; a plurality of vertically-oriented tanks, at least one of the tanks including a liquid inlet that is fluidly coupled to the liquid input to receive a flow of the saltwater, a volume configured to enclose a plurality ofsulphur particles that support de-nitrification bacteria that biologically transform the nitrate into at least one of nitrous oxide or nitrogen gas, and a liquid outlet fluidly coupled to the liquidoutput and the liquid inlets of the tanks; and a circulation system configured to circulate a portion of the saltwater though the liquid input to the liquid inlets of the plurality of tanks, through the plurality of tanks, and from the liquid outlets of the tanks to the liquid output and the liquid inlets of the tanks.

Description

technical field [0001] This document relates to systems and methods for removing nitrates from water, and more specifically, to nitrogen removal systems and methods for use in aquariums or recirculating aquaculture systems or both. Background technique [0002] Water storage tanks, such as aquariums and other containers that form animal habitats, often recycle and reuse the water (eg, saltwater or freshwater) in the tank. In some cases, several treatment technologies are available to clean and treat recirculated water. For example, unwanted particles can be removed and the chemical composition of the water can be adjusted. In some cases, the animals living in the tank and the feed they consume form harmful substances in the water, for example due to the decomposition of uneaten feed and animal waste. Nitrates, for example, can be a by-product of this uneaten animal feed and animal waste, which can affect animal health when present in water at undesired concentrations. Co...

Claims

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Application Information

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IPC IPC(8): C02F3/34C02F3/30
CPCC02F3/006C02F3/345C02F2101/101C02F2103/20C02F2209/40Y02W10/37A01K63/045C02F1/02C02F1/66C02F1/78C02F3/2806C02F3/305C02F9/00C02F2209/006C02F2209/02C02F2209/04C02F2209/06C02F2301/043C02F1/685C02F3/34C02F2101/163C02F2103/22C02F2203/006C02F2305/00
Inventor 阿利斯泰尔·多维埃里克·哈利
Owner GEORGIA AQUARIUM INC
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