Mineral composition of atmospheric particulates around a large coal-fired power station

被引：119

作者：

Querol, X ^{[1
]}

Alastuey, A ^{[1
]}

LopezSoler, A ^{[1
]}

Mantilla, E ^{[1
]}

Plana, F ^{[1
]}

机构：

[1] CTR ESTUDIOS AMBIENTALES MEDITERRANEO,CEAM,PATERNA 46980,VALENCIA,SPAIN

来源：

ATMOSPHERIC ENVIRONMENT | 1996年 / 30卷 / 21期

关键词：

coal-fired power stations; emissions; atmospheric particulates; sulphate; mineralogy;

D O I：

10.1016/1352-2310(96)00108-2

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The present work is a mineralogical study of atmospheric particulates around a large coal-fired power station in NE Spain. After a mineralogical study of the fly ash sampled in the electrostatic precipitators of the power station, several chemical and mineralogical patterns of the fly ash were employed as tracers of the power station emissions. At the same time, the study focused on the downwind evolution of secondary particulate matter, especially particulate sulphate. The studies on the mineralogy of air borne dust allowed us to distinguish between natural and anthropogenic particles. The major mineral phases identified in the samples studied were: gypsum, calcite, clay minerals (kaolinite, clinochlore and illite), quartz, talc and hematite. In addition to these mineral phases which are frequently present in the atmospheric particulate matter of the studied area, other mineral phases, such as feldspars, mullite, and copper sulphates, were detected in minor proportions. The results show that some mineralogical and morphological characteristics of the atmospheric particulate matter may be used as tracers of the influence of coal-fired power plant emissions. These characteristics include spherical morphologies, aluminosilicate glass, mullite, hematite and sulphate-fly ash associations. The possible buffering effect of atmospheric Ca-bearing minerals to neutralize the sulphate deposition is investigated. Copyright (C) 1996 Elsevier Science Ltd

引用

页码：3557 / 3572

页数：16

共 33 条

[1]

[Anonymous], 1992, ACID RAIN ITS CAUSES

[2]

[Anonymous], IDOJARAS

[3]

BERTINE K. K., 1986, APPL GEOCHEM, V1, P345

[4]

BRETSCHNEIDER B, 1986, AIR POLLUTION CONTRO

[5]

CLARKE LB, 1992, IEACR49 IEA

[6] CHEMICAL STUDIES OF STACK FLY-ASH FROM A COAL-FIRED POWER-PLANT [J].

COLES, DG ;

RAGAINI, RC ;

ONDOV, JM ;

FISHER, GL ;

SILBERMAN, D ;

PRENTICE, BA .

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 1979, 13 (04) :455-459

[7] PREDICTION OF THE OPACITY OF DETACHED PLUMES FORMED BY CONDENSATION OF VAPORS [J].

DAMLE, AS ;

ENSOR, DS ;

SPARKS, LE .

ATMOSPHERIC ENVIRONMENT, 1984, 18 (02) :435-444

[8] COLLECTION, MEASUREMENT, AND ANALYSIS OF AIRBORNE MAGNETIC PARTICULATES FROM POLLUTION IN THE ENVIRONMENT [J].

FLANDERS, PJ .

JOURNAL OF APPLIED PHYSICS, 1994, 75 (10) :5931-5936

[9]

FRANZLE O, 1993, CONTAMINANTS TERREST

[10] ELEMENTAL CHARACTERIZATION OF PARTICLE-SIZE DENSITY SEPARATED COAL FLY-ASH BY SPECTROPHOTOMETRY, INDUCTIVELY COUPLED PLASMA EMISSION-SPECTROMETRY, AND SCANNING ELECTRON-MICROSCOPY ENERGY DISPERSIVE-X-RAY ANALYSIS [J].

FURUYA, K ;

MIYAJIMA, Y ;

CHIBA, T ;

KIKUCHI, T .

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 1987, 21 (09) :898-903

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