FR978868A - Perfectionnements au traitement des roches phosphatiques - Google Patents

Perfectionnements au traitement des roches phosphatiques

Info

Publication number
FR978868A
FR978868A FR978868DA FR978868A FR 978868 A FR978868 A FR 978868A FR 978868D A FR978868D A FR 978868DA FR 978868 A FR978868 A FR 978868A
Authority
FR
France
Prior art keywords
treatment
phosphatic
rocks
phosphatic rocks
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.)
Expired
Application number
Other languages
English (en)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR978868A publication Critical patent/FR978868A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
    • C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
    • C05B11/06—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using nitric acid (nitrophosphates)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR978868D 1948-01-12 1949-01-12 Perfectionnements au traitement des roches phosphatiques Expired FR978868A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB978868X 1948-01-12

Publications (1)

Publication Number Publication Date
FR978868A true FR978868A (fr) 1951-04-19

Family

ID=10824688

Family Applications (1)

Application Number Title Priority Date Filing Date
FR978868D Expired FR978868A (fr) 1948-01-12 1949-01-12 Perfectionnements au traitement des roches phosphatiques

Country Status (1)

Country Link
FR (1) FR978868A (fr)

Similar Documents

Publication Publication Date Title
FR978868A (fr) Perfectionnements au traitement des roches phosphatiques
FR974679A (fr) Perfectionnements au largage des projectiles autopropulsés
FR983698A (fr) Roue d'ancre
FR974759A (fr) Perfectionnements apportés au traitement des matières carbonacées
FR967988A (fr) Perfectionnements au traitement des matières pulvérulentes
FR987699A (fr) Perfectionnements relatifs au traitement des chiffons
AT172140B (de) Kläranlage
FR1007890A (fr) Perfectionnements au traitement des jus glucosiques
FR58293E (fr) Fusil
FR1007751A (fr) Lit d'enfant
FR58797E (fr) Montre-bracelet
FR979081A (fr) Perfectionnements apportés dans la construction des escaliers
FR975444A (fr) Réduction de minerais oxydés
FR984112A (fr) Roue dentée
ES185956A1 (es) Mejoras introducidas en la construcción de pluviómetros
ES185277A1 (es) Perfeccionamientos en la fabricción de cisternas
FR927397A (fr) Perfectionnements apportés au traitement des matières fibreuses
ES185377A1 (es) Perfeccionamientos en la construcción de vagonetas
ES184717A1 (es) Mejoras en la construcción de cubilotes
ES185397A1 (es) Perfeccionamientos en la construcci-ón de radiolentes
ES181936A1 (es) Mejoras en la construcción de escariadores
ES185083A1 (es) Perfeccionamientos en la fabricación d eresistencias grafitadas
AT172179B (de) Schnalle
FI24356A (fi) Konchmaskin med desintegreringsanordning
ES183133A1 (es) Perfeccionamientos en la fabricación de estilógrafos de bolita escritora