NL7708718A - Purifying dung water from cattle stables - by homogenising, coagulating filtering, and purifying filtrate biologically and chemically and neutralising - Google Patents

Purifying dung water from cattle stables - by homogenising, coagulating filtering, and purifying filtrate biologically and chemically and neutralising

Info

Publication number
NL7708718A
NL7708718A NL7708718A NL7708718A NL7708718A NL 7708718 A NL7708718 A NL 7708718A NL 7708718 A NL7708718 A NL 7708718A NL 7708718 A NL7708718 A NL 7708718A NL 7708718 A NL7708718 A NL 7708718A
Authority
NL
Netherlands
Prior art keywords
water
purified
phase
purifying
dung
Prior art date
Application number
NL7708718A
Other languages
Dutch (nl)
Original Assignee
Tatabanyai Szenbanyak
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 Tatabanyai Szenbanyak filed Critical Tatabanyai Szenbanyak
Priority to NL7708718A priority Critical patent/NL7708718A/en
Publication of NL7708718A publication Critical patent/NL7708718A/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
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C3/00—Treating manure; Manuring
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00—Fertilisers from human or animal excrements, e.g. manure
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

Purificn. is of high organic material contg. dung water obtd. in large scale stabling of cattle. In a first step, dung water is homogenised under aerobic conditions, without phase separation. Homogenised dung water is treated with coagulants, pref. Al2(SO4)3 and >=1 anion-active polyelectrolyte. Solid phase obtd. is separated from liq. phase on filter presses. Liq. phase is purified in a biologically activated sludge step. Activated sludge is removed. Biologically purified filtrate water is re-purified chemically, pref. with CaO as precipitant, setting clarified water pH 10-11.5. Purified water is sepd. from solid phase and neutralised. Ppte. formed is sepd. from purified water in a further settling step. Water-consumption is minimised. Solids obtd. can be composted naturally, for use as agricultural fertilisers. Liq. phase can be used for watering fields and causes no pollution. It can be re-used for rinsing stables. Dung water contg. 1.8-8 wt. % organic material can be processed to 2 end-prods.: purified water and pressed sludge.
NL7708718A 1977-08-05 1977-08-05 Purifying dung water from cattle stables - by homogenising, coagulating filtering, and purifying filtrate biologically and chemically and neutralising NL7708718A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7708718A NL7708718A (en) 1977-08-05 1977-08-05 Purifying dung water from cattle stables - by homogenising, coagulating filtering, and purifying filtrate biologically and chemically and neutralising

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7708718A NL7708718A (en) 1977-08-05 1977-08-05 Purifying dung water from cattle stables - by homogenising, coagulating filtering, and purifying filtrate biologically and chemically and neutralising

Publications (1)

Publication Number Publication Date
NL7708718A true NL7708718A (en) 1979-02-07

Family

ID=19828977

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7708718A NL7708718A (en) 1977-08-05 1977-08-05 Purifying dung water from cattle stables - by homogenising, coagulating filtering, and purifying filtrate biologically and chemically and neutralising

Country Status (1)

Country Link
NL (1) NL7708718A (en)

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
A85 Still pending on 85-01-01
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed