FR2414024A1 - Procede pour le traitement et la sterilisation de boues de clarification avec apport de cao - Google Patents

Procede pour le traitement et la sterilisation de boues de clarification avec apport de cao

Info

Publication number
FR2414024A1
FR2414024A1 FR7829133A FR7829133A FR2414024A1 FR 2414024 A1 FR2414024 A1 FR 2414024A1 FR 7829133 A FR7829133 A FR 7829133A FR 7829133 A FR7829133 A FR 7829133A FR 2414024 A1 FR2414024 A1 FR 2414024A1
Authority
FR
France
Prior art keywords
dry solids
sludge
fertiliser
cao
solids content
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7829133A
Other languages
English (en)
Other versions
FR2414024B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2414024A1 publication Critical patent/FR2414024A1/fr
Application granted granted Critical
Publication of FR2414024B1 publication Critical patent/FR2414024B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D3/00—Calcareous fertilisers
    • C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fertilizers (AREA)
  • Treatment Of Sludge (AREA)

Abstract

L'INVENTION A POUR BUT D'ASSURER ECONOMIQUEMENT LE TRAITEMENT ET LA STERILISATION DES BOUES DE CLARIFICATION ET D'ABOUTIR A UN PRODUIT UTILISABLE COMME ENGRAIS. A CET EFFET, ON AJOUTE AUX BOUES DE CLARIFICATION UNE QUANTITE DE CAO EN RAPPORT AVEC LEUR TENEUR EN MATIERE SECHE, PAR EXEMPLE SELON LE GRAPHIQUE ANNEXE, EN ASSURANT POUR DES TENEURS AU-DESSOUS DE 10, UNE PROPORTION DE LA CHAUX ET DE LA MATIERE SECHE QUI CORRESPOND AU POURCENTAGE DE LA MATIERE SECHE DANS LES BOUES ET, POUR DES TENEURS SUPERIEURES A 10, UNE PROPORTION DE CHAUX ET DE MATIERE SECHE DE 1:11 A 1:25, PUIS ON LAISSE REAGIR A L'AIR LIBRE LA BOUILLIE AINSI OBTENUE ET PAR RETOURNEMENT AVEC UN NOUVEL ECHAUFFEMENT DE LA MASSE ON OBTIENT UN PRODUIT FRIABLE UTILISABLE COMME ENGRAIS.
FR7829133A 1978-01-10 1978-10-12 Procede pour le traitement et la sterilisation de boues de clarification avec apport de cao Granted FR2414024A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2800915A DE2800915B1 (de) 1978-01-10 1978-01-10 Verfahren zum Aufbereiten und Pasteurisieren von Klaerschlamm unter Beifuegen von CaO

Publications (2)

Publication Number Publication Date
FR2414024A1 true FR2414024A1 (fr) 1979-08-03
FR2414024B1 FR2414024B1 (fr) 1983-01-07

Family

ID=6029240

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7829133A Granted FR2414024A1 (fr) 1978-01-10 1978-10-12 Procede pour le traitement et la sterilisation de boues de clarification avec apport de cao

Country Status (2)

Country Link
DE (1) DE2800915B1 (fr)
FR (1) FR2414024A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0593802B1 (fr) * 1991-04-22 1999-05-06 Mitsubishi Denki Kabushiki Kaisha Procédé pour l'élimination d'hydrocarbures chlorés volatiles

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279635A (en) * 1978-07-18 1981-07-21 David Krofchak Process for treating phosphatic clay suspensions
DE2850607C2 (de) * 1978-11-22 1983-11-17 Wilhelm Roediger Gmbh + Co, 6450 Hanau Verfahren zum weiteren Entwässern und zum Hygienisieren von Abwasserschlamm
DE3128673C2 (de) * 1980-07-29 1986-06-19 Gustav 3030 Walsrode Richard Verfahren zur Herstellung eines Bodenverbesserungsmittels aus Klärschlamm
SU994445A1 (ru) * 1980-12-12 1983-02-07 Управление Водопроводно-Канализационного Хозяйства "Водоканал" Ленгорисполкома Способ обработки осадков сточных вод
DK169066B1 (da) * 1987-02-27 1994-08-08 N Viro Energy Systems Ltd Fremgangsmåde til behandling af slam fra spildevand
DE3741468A1 (de) * 1987-12-08 1989-06-22 Limus Umwelttechnik Gmbh Verfahren und vorrichtung zum trocknen von klaerschlamm und aus diesem hergestelltes duenge- bzw. bodenverbesserungsmittel
US8105413B2 (en) 2005-02-23 2012-01-31 Vitag Corporation Manufacturing of bioorganic-augmented high nitrogen-containing inorganic fertilizer
US8192519B2 (en) 2005-03-09 2012-06-05 Vitag Corporation Beneficiated, heat-dried biosolid pellets
EP1945596B8 (fr) 2005-09-15 2015-11-04 Anuvia Plant Nutrients Holdings LLC Procede de conversion de boue organique en substance alcaline pour engrais
US9695092B2 (en) 2006-02-23 2017-07-04 Anuvia Plant Nutrients Corporation Process for treating sludge and manufacturing bioorganically-augmented high nitrogen-containing inorganic fertilizer
BRPI0807734B1 (pt) 2007-02-16 2021-07-06 Anuvia Plant Nutrients Holdings Llc Processo para tratar lama e fabricar fertilizante inorgânico contendo nitrogênio altamente enriquecido bioorganicamente
CN102781880B (zh) 2009-12-30 2015-10-14 艾纽维亚植物营养物有限公司 生物有机增强的高价值肥料
WO2012135317A2 (fr) 2011-03-28 2012-10-04 Vitag Holdings Llc Engrais inorganiques améliorés par de hautes valeurs organiques
US10870609B2 (en) 2018-08-16 2020-12-22 Anuvia Plant Nutrients Corporation Reactive inorganic coatings for agricultural fertilizers
MA50736B2 (fr) 2018-11-14 2021-12-31 Anuvia Plant Nutrients Holdings Llc Administration de molécules bioactives dans des enrobages ou des couches de surface d'engrais inorganiques organiquement améliorés

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476683A (en) * 1967-05-23 1969-11-04 Johan Ragnar Liljegren Methods of separating inorganic impurities from sewage and of making a soil improving composition from the impurities separated
DE1806732A1 (de) * 1968-11-02 1970-05-21 Klein Albert Kg Verfahren zum Sterilisieren von Klaerschlamm
DE2444153A1 (de) * 1974-09-16 1976-03-25 Heinz Krieger Thermisches-neutralisations-verfahren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476683A (en) * 1967-05-23 1969-11-04 Johan Ragnar Liljegren Methods of separating inorganic impurities from sewage and of making a soil improving composition from the impurities separated
DE1806732A1 (de) * 1968-11-02 1970-05-21 Klein Albert Kg Verfahren zum Sterilisieren von Klaerschlamm
DE2444153A1 (de) * 1974-09-16 1976-03-25 Heinz Krieger Thermisches-neutralisations-verfahren

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0593802B1 (fr) * 1991-04-22 1999-05-06 Mitsubishi Denki Kabushiki Kaisha Procédé pour l'élimination d'hydrocarbures chlorés volatiles

Also Published As

Publication number Publication date
DE2800915B1 (de) 1978-09-21
FR2414024B1 (fr) 1983-01-07

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Legal Events

Date Code Title Description
ST Notification of lapse