BR112014011932A2 - sistema de desnitrificação com fluxo descendente - Google Patents

sistema de desnitrificação com fluxo descendente

Info

Publication number
BR112014011932A2
BR112014011932A2 BR112014011932A BR112014011932A BR112014011932A2 BR 112014011932 A2 BR112014011932 A2 BR 112014011932A2 BR 112014011932 A BR112014011932 A BR 112014011932A BR 112014011932 A BR112014011932 A BR 112014011932A BR 112014011932 A2 BR112014011932 A2 BR 112014011932A2
Authority
BR
Brazil
Prior art keywords
media
filter bed
container
wastewater
denitrification system
Prior art date
Application number
BR112014011932A
Other languages
English (en)
Other versions
BR112014011932B1 (pt
Inventor
Kaldate Amit
D Dyson John
Gangal Mudit
Original Assignee
Infilco Degremont Inc
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 Infilco Degremont Inc filed Critical Infilco Degremont Inc
Publication of BR112014011932A2 publication Critical patent/BR112014011932A2/pt
Publication of BR112014011932B1 publication Critical patent/BR112014011932B1/pt

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
    • C02F3/28—Anaerobic digestion processes
    • C02F3/286—Anaerobic digestion processes including two or more steps
    • 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
    • C02F3/28—Anaerobic digestion processes
    • C02F3/2806—Anaerobic processes using solid supports for microorganisms
    • 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
    • C02F3/28—Anaerobic digestion processes
    • C02F3/2826—Anaerobic digestion processes using anaerobic filters
    • 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
    • C02F3/305—Nitrification and denitrification treatment characterised by the denitrification
    • 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
    • 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
    • C02F2303/16—Regeneration of sorbents, 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

resumo sistema de denitrificação em fluxo descendente em geral, a presente invenção é dirigida a sistemas de tratamento de água ou de águas residuais. de acordo com algumas formas de realização da presente invenção, o sistema pode utilizar um recipiente com uma pluralidade de leitos filtrantes, pelo menos uma entrada, e pelo menos uma saída, e o sistema pode incluir: um primeiro leito de filtração granular que compreende uma primeira e / ou mídia angulares, a primeira mídia que têm uma elevada área superficial e configurados para tratamento biológico e físico da água ou de águas residuais; um segundo leito de filtração, incluindo um segundo granulado e / ou meios de comunicação angular, o segundo meio que tem uma área de superfície menor do que o primeiro meios de comunicação; em que a água de esgoto ou entra no recipiente através da pelo menos uma entrada, passa através do primeiro leito de filtração e o segundo leito de filtração, e sai do recipiente através da pelo menos uma saída.
BR112014011932-5A 2011-11-18 2012-11-16 sistema para remoção de nitratos da água ou água residual e sistema de tratamento de água ou água residual para remoção de nitratos da água ou água residual BR112014011932B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201161561418P 2011-11-18 2011-11-18
US61/561,418 2011-11-18
US13/678,194 2012-11-15
US13/678,194 US9969635B2 (en) 2011-11-18 2012-11-15 Downflow denitrification system
PCT/US2012/065454 WO2013074886A2 (en) 2011-11-18 2012-11-16 Downflow denitrification system

Publications (2)

Publication Number Publication Date
BR112014011932A2 true BR112014011932A2 (pt) 2017-05-30
BR112014011932B1 BR112014011932B1 (pt) 2021-01-05

Family

ID=48425773

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014011932-5A BR112014011932B1 (pt) 2011-11-18 2012-11-16 sistema para remoção de nitratos da água ou água residual e sistema de tratamento de água ou água residual para remoção de nitratos da água ou água residual

Country Status (6)

Country Link
US (1) US9969635B2 (pt)
EP (1) EP2780288A2 (pt)
CN (1) CN103974914A (pt)
BR (1) BR112014011932B1 (pt)
CA (1) CA2855835A1 (pt)
WO (1) WO2013074886A2 (pt)

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KR101592329B1 (ko) * 2013-12-31 2016-02-05 두산중공업 주식회사 하이브리드형 섬유여과장치
US10392277B2 (en) * 2015-03-11 2019-08-27 Bl Technologies, Inc. Backwash method for biological reactors
US10364171B2 (en) * 2015-04-09 2019-07-30 Bl Technologies, Inc. Partial bed backwashing for packed bed reactor
US10913667B2 (en) * 2017-12-08 2021-02-09 Westech Engineering, Inc. Multi-media clarification systems and methods
CN114920422A (zh) * 2022-05-17 2022-08-19 国网湖北省电力有限公司电力科学研究院 一种模块化生物滤池
CN115738408A (zh) * 2022-11-02 2023-03-07 四川轻化工大学 一种循环式沸腾床层过滤器及其使用方法

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Also Published As

Publication number Publication date
US9969635B2 (en) 2018-05-15
WO2013074886A3 (en) 2013-07-18
WO2013074886A2 (en) 2013-05-23
BR112014011932B1 (pt) 2021-01-05
CN103974914A (zh) 2014-08-06
EP2780288A2 (en) 2014-09-24
US20130126412A1 (en) 2013-05-23
CA2855835A1 (en) 2013-05-23

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 16/11/2012, OBSERVADAS AS CONDICOES LEGAIS.