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THE IMPROVEMENT OF EXISTING DATABASES BY THE INTRODUCTION OF OBJECTIVE CRITERIA FOR THE PROBABILITY OF FORMATION OF SOLID PHASES. A FIRST STEP TOWARDS AN "EXPERT SYSTEM".

Objective

IN THE PREDICTION OF THE EXTENT OF MIGRATION OF POLLUTANTS INTO THE ENVIRONMENTS THE CONFIDENCE TO THE CALCULATIONS IS PRIMARILY DEPENDENT ON THE VALIDITY OF THE MODEL USED, I.E. THE GEOCHEMICAL CALCULATIONS AND THE HANDLING OF THE CONVECTION DISPERSION PHENOMENA. IN GEOCHEMICAL CALCULATIONS IT IS USUAL PRACTICE TO ASSUME THAT LOCAL EQUILIBRIA ARE ESTABLISHED. THIS MAY WELL BE TRUE IN MANY CASES, BUT THAT DOES NOT AUTOMATICALLY MEAN THAT OVERALL CHEMICAL EQUILIBRIUM IS PREVAILING IN A FORMATION.
APART FROM THESE DIFFICULT CONSIDERATIONS, THE GEOCHEMICAL CALCULATIONS MAY BE IN ERROR OR SCREWED BECAUSE THE THERMODYNAMIC DATA USED ARE INCORRECT OR INTERNALLY INCONSISTENT.
THE PRESENT PROJECT HAS THE FOLLOWING GOAL: TO IMPROVE THE GEOCHEMICAL DATABASES, SUCH THAT THEY MAY BE USED TO HANDLE A WIDER RANGE OF PROBLEMS.

1. TO DEVELOP A DATABASE MANAGEMENT SYSTEM WHICH CAN BE USED TO MAKE AVAILABLE DATA INTERNALLY CONSISTENT, I.E. TO REFER TO THE SAME SET OF FUNDAMENTAL STANDARD DATA.
2. TO REVIEW AND COMPARE THE MOST WIDELY USED DATABASES.
3. TO CLASSIFY MINERALS ACCORDING TO THEIR "PROBABILITY OF FORMATION" OR OTHER CRITERIA RELATING TO THIS.

Funding Scheme

CSC - Cost-sharing contracts

Coordinator

RISOE NATIONAL LABORATORY
Address
Frederiksborgvej 399
Roskilde
Denmark