WO2006002095A3 - Nitrogen removal system and method for wastewater treatment lagoons - Google Patents

Nitrogen removal system and method for wastewater treatment lagoons Download PDF

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Publication number
WO2006002095A3
WO2006002095A3 PCT/US2005/021809 US2005021809W WO2006002095A3 WO 2006002095 A3 WO2006002095 A3 WO 2006002095A3 US 2005021809 W US2005021809 W US 2005021809W WO 2006002095 A3 WO2006002095 A3 WO 2006002095A3
Authority
WO
WIPO (PCT)
Prior art keywords
lagoon
wastewater treatment
water
tidal
organic
Prior art date
Application number
PCT/US2005/021809
Other languages
French (fr)
Other versions
WO2006002095A2 (en
Inventor
David C Austin
Original Assignee
Dharma Living Systems Inc
David C Austin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dharma Living Systems Inc, David C Austin filed Critical Dharma Living Systems Inc
Publication of WO2006002095A2 publication Critical patent/WO2006002095A2/en
Publication of WO2006002095A3 publication Critical patent/WO2006002095A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/06—Aerobic processes using submerged filters
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/903—Nitrogenous

Abstract

A wastewater treatment process integrates a tidal nitration system with a wastewater treatment lagoon. Raw effluent enters a lagoon having a persistent anoxic or anaerobic state and a long residence time to permit suspended solids to settle to the bottom, forming a blanket of sludge. Water above the sludge blanket is comparatively clearer than raw influent. Discharge from the clear water zone contains organic carbon, organic nitrogen, ammonia, and other nutrients. In the lagoon, complex carbohydrates and fats are broken down into simpler organic compounds by bacterial action, a substantial portion transformed to carbon dioxide by bacterial respiration, reducing BOD. Organic forms of nitrogen are transformed into ammonium ions by bacterial action. Adjacent to the lagoon is a sump that takes water from the clear zone to a tidal cell, and recycles water from the clear zone into the tidal cell, which then discharges back into the lagoon.
PCT/US2005/021809 2004-06-17 2005-06-17 Nitrogen removal system and method for wastewater treatment lagoons WO2006002095A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US58056204P 2004-06-17 2004-06-17
US60/580,562 2004-06-17
US11/114,340 2005-04-26
US11/114,340 US7347940B2 (en) 2004-06-17 2005-04-26 Nitrogen removal system and method for wastewater treatment lagoons

Publications (2)

Publication Number Publication Date
WO2006002095A2 WO2006002095A2 (en) 2006-01-05
WO2006002095A3 true WO2006002095A3 (en) 2006-10-05

Family

ID=35479500

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/021809 WO2006002095A2 (en) 2004-06-17 2005-06-17 Nitrogen removal system and method for wastewater treatment lagoons

Country Status (2)

Country Link
US (1) US7347940B2 (en)
WO (1) WO2006002095A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8795518B2 (en) 2011-05-26 2014-08-05 Abdulreidha AlSaffar Method and system for wastewater treatment and disposal
US10479709B2 (en) 2014-10-20 2019-11-19 Bionest Technologies Inc. Water treatment system and method
CN109368804B (en) * 2018-12-05 2021-07-30 中冶京诚工程技术有限公司 Ecological clean system of constructed wetland

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Also Published As

Publication number Publication date
WO2006002095A2 (en) 2006-01-05
US20050279703A1 (en) 2005-12-22
US7347940B2 (en) 2008-03-25

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