BRPI1106646A2 - Potassium fertilizer production process from nepheline syenite - Google Patents

Potassium fertilizer production process from nepheline syenite

Info

Publication number
BRPI1106646A2
BRPI1106646A2 BRPI1106646A BRPI1106646A2 BR PI1106646 A2 BRPI1106646 A2 BR PI1106646A2 BR PI1106646 A BRPI1106646 A BR PI1106646A BR PI1106646 A2 BRPI1106646 A2 BR PI1106646A2
Authority
BR
Brazil
Prior art keywords
potassium
thermofertilizer
followed
potassium fertilizer
production process
Prior art date
Application number
Other languages
Portuguese (pt)
Inventor
Luz Adao Benvindo Da
Luiz Carlos Bertolino
Oliveira Novaes Fabio De
Original Assignee
Ct De Tecnologia Mineral Cetem
Progemma Minerios Ltda
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 Ct De Tecnologia Mineral Cetem, Progemma Minerios Ltda filed Critical Ct De Tecnologia Mineral Cetem
Priority to BRPI1106646 priority Critical patent/BRPI1106646A2/en
Publication of BRPI1106646A2 publication Critical patent/BRPI1106646A2/en

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  • Fertilizers (AREA)

Abstract

PROCESSO DE PRODUÇçO DE FERTILIZANTE DE POTÁSSIO A PARTIR DE NEFELINA SIENITO. A presente invenção diz respeito a um processo de obtenção de um termofertilizante de potássio, a partir de uma rocha denominada nefelina siento constituída de feldspatos alcalinos, sem quartzo. A técnica conduz á produção industrial e consiste na cominuição do minério a uma granulometria abaixo de 3,32 mm, seguido de ustulação salina em fornos, com a adição de cloretos de metais alcalino-terrosos para a quebra da molécula de feldspato, seguido de resfriamento à temperatura ambiente, de forma a disponibilizar o nutriente potássio para as plantas. Esta disponibilidade do potássio no produto é avaliada mediante ouso de xtratores do tipo: água, ácido cítrico, ácido nítrico e solução mellich. O termofertilizante de potássio obtido destina-se à cultura de liberação lenta do K, para uso na agricultura de pequenas propriedades.POTASSIUM FERTILIZER PROCESS FROM NEFELINA SIENITO. The present invention relates to a process for obtaining a potassium thermofertilizer from a rock called nepheline siento consisting of alkaline feldspars without quartz. The technique leads to industrial production and consists of the comminution of the ore to a particle size below 3.32 mm, followed by salt roasting in furnaces, with the addition of alkaline earth chloride to break the feldspar molecule, followed by cooling. at room temperature to make potassium nutrient available to plants. This potassium availability in the product is evaluated by the use of water, citric acid, nitric acid and mellich solution. The obtained potassium thermofertilizer is intended for the slow release K crop for use in smallholder agriculture.

BRPI1106646 2011-10-05 2011-10-05 Potassium fertilizer production process from nepheline syenite BRPI1106646A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI1106646 BRPI1106646A2 (en) 2011-10-05 2011-10-05 Potassium fertilizer production process from nepheline syenite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI1106646 BRPI1106646A2 (en) 2011-10-05 2011-10-05 Potassium fertilizer production process from nepheline syenite

Publications (1)

Publication Number Publication Date
BRPI1106646A2 true BRPI1106646A2 (en) 2013-08-20

Family

ID=48954032

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1106646 BRPI1106646A2 (en) 2011-10-05 2011-10-05 Potassium fertilizer production process from nepheline syenite

Country Status (1)

Country Link
BR (1) BRPI1106646A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018032066A1 (en) * 2016-08-17 2018-02-22 Mineração Curimbaba Ltda. Phosphorus-potassium fertilizer (pk)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018032066A1 (en) * 2016-08-17 2018-02-22 Mineração Curimbaba Ltda. Phosphorus-potassium fertilizer (pk)

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B08E Application fees: payment of additional fee required [chapter 8.5 patent gazette]

Free format text: COMPLEMENTAR A RETRIBUICAO DA(S) 3A. ANUIDADE(S), DE ACORDO COM TABELA VIGENTE, REFERENTE A(S) GUIA(S) DE RECOLHIMENTO 22140511358-2

B08G Application fees: restoration [chapter 8.7 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]
B08H Application fees: decision cancelled [chapter 8.8 patent gazette]
B08H Application fees: decision cancelled [chapter 8.8 patent gazette]
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06V Preliminary requirement: patent application procedure suspended [chapter 6.22 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL