Published 2012 | Version v1
Miscellaneous Open

Acid activation of natural clays aiming their application in adsorption

Creators

  • 1. Universidade Federal de Campina Grande (LABNOV/UFCG), PB (Brazil). Unidade Academica de Engenharia Quimica. Lab. de Desenvolvimento de Novos Materiais

Description

Clays of smectite type have wide application in industrial, mainly due to their adsorption properties. However, it is necessary to subject them to chemical treatments to optimize their potential. This study aimed to analyze the effects of acid activation on the clay Brasgel fresh. In the acid activation was used concentrated hydrochloric acid at different concentrations (3M, 4.5 M and 6 M) at a temperature of 70 ° C for 30 minutes. The samples fresh and activated technique were characterized by X-ray Diffraction (XRD). The results show that the properties of clay after activation are improved, it could be used as adsorbents in the treatment of wastewater. (author)

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Additional details

Additional titles

Original title (Portuguese)
Ativacao acida de argilas naturais visando sua aplicacao na adsorcao

Publishing Information

Imprint Pagination
10 p.
Report number
INIS-BR--15309

Conference

Title
Brazilian symposium on glass and related materials
Original Conference Title
56. congresso brasileiro de ceramica
Acronym
56. Brazilian congress on ceramics; 1. Latin American congress on ceramics; 9. BraSyGlass
Dates
3-6 Jun 2012
Place
Curitiba, PR (Brazil)

INIS

Country of Publication
Brazil
Country of Input or Organization
Brazil
INIS RN
46081568
Subject category
S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ACTIVATION ANALYSIS; ADSORPTION; CATIONS; CONCENTRATION RATIO; HYDROCHLORIC ACID; ION EXCHANGE; SMECTITE; X-RAY DIFFRACTION
Descriptors DEC
CHARGED PARTICLES; CHEMICAL ANALYSIS; CHLORINE COMPOUNDS; CLAYS; COHERENT SCATTERING; DIFFRACTION; DIMENSIONLESS NUMBERS; HALOGEN COMPOUNDS; HYDROGEN COMPOUNDS; INORGANIC ACIDS; INORGANIC COMPOUNDS; IONS; MINERALS; NONDESTRUCTIVE ANALYSIS; SCATTERING; SILICATE MINERALS; SORPTION