Microstructural analyses of phosphogypsum generated by Brazilian fertilizer industries

被引：56

作者：

Cavalcanti Canut, Mariana Moreira ^{[2
]}

Feliciano Jacomino, Vanusa Maria ^{[1
]}

Bratveit, Kari ^{[2
]}

Gomes, Abdias Magalhaes ^{[2
]}

Yoshida, Maria Irene ^{[3
]}

机构：

[1] Dev Ctr Nucl Technol, Belo Horizonte, MG, Brazil

[2] Univ Fed Minas Gerais, Dept Engn, Belo Horizonte, MG, Brazil

[3] Univ Fed Minas Gerais, Dept Chem, Belo Horizonte, MG, Brazil

来源：

MATERIALS CHARACTERIZATION | 2008年 / 59卷 / 04期

关键词：

phosphogypsum; microstructure analysis; waste management;

D O I：

10.1016/j.matchar.2007.02.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper investigates and contrasts the material properties of phosphogypsum - a waste byproduct of fertilizer production generated in large amounts worldwide and gypsum - a mineral that occurs in nature in the form of calcium sulphate dihydrate. The study is based on tests of characterization that enable physical and chemical analyses of both materials. All tests were conducted in order to evaluate whether or not phosphogypsum is a viable substitute for gypsum in civil construction. By utilizing phosphogypsum (PG), natural deposits of gypsum might be conserved and high amounts of the waste byproduct used in its place by the civil construction industry. The results show that phosphogypsum can be a viable substitute for gypsum after certain beneficiation processes. (c) 2007 Elsevier Inc. All rights reserved.

引用

页码：365 / 373

页数：9

共 16 条

[1] PHOSPHOGYPSUM IN AGRICULTURE - A REVIEW [J].

ALCORDO, IS ;

RECHCIGL, JE .

ADVANCES IN AGRONOMY, VOL 49, 1993, 49 :55-118

[2]

[Anonymous], ENG PROPERTIES CONST

[3]

BECKER P, 1983, PHOSPHATES PHOSPHORI, P471

[4]

CINCOTTO MA, 1985, GYPSUM BUILDING MAT, P19651

[5]

COHEN S, 1992, POTENTIAL USES PHOSP

[6]

*FLOR I PHOSPH RES, 2006, BEN USES PHOSPH

[7]

GARLANGER JE, 1996, FLOR PHOSPH COUNC AN

[8] THE NATURAL RADIOACTIVITY OF THE ROCK PHOSPHATES, PHOSPHATIC PRODUCTS AND THEIR ENVIRONMENTAL IMPLICATIONS [J].

MAKWEBA, MM ;

HOLM, E .

SCIENCE OF THE TOTAL ENVIRONMENT, 1993, 133 (1-2) :99-110

[9] Radiochemical characterization of Brazilian phosphogypsum [J].

Mazzilli, B ;

Palmiro, V ;

Saueia, C ;

Nisti, MB .

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY, 2000, 49 (01) :113-122

[10]

*MIN INF I, PHOSPH ROCKS

← 1 2 →