1.  STUDY ON THE DIAGENETIC CALCAREOUS ACCUMULATIONS IN A SOIL PROFILE FROM FLOREŞTI (CLUJ COUNTY, ROMANIA).

          Authors: HOREA BEDELEAN.

2.  ZEOLITIC VOLCANIC TUFFS FROM MăCICAş (CLUJ COUNTY), NATURAL RAW MATERIALS USED FOR NH4+ REMOVAL FROM WASTEWATERS.

          Authors: HOREA BEDELEAN, MARIA STANCA, ANDRADA MĂICĂNEANU, SILVIA BURCĂ.

3.  XRD INVESTIGATION OF THE CLAY FRACTION IN SOME ROMANIAN ZEOLITIC VOLCANIC TUFFS AND DIATOMITES.

          Authors: DANA POP, IOAN BEDELEAN, HOREA BEDELEAN.

4.  CONSIDERATIONS ON THE PARENT MATERIAL IN THE SOIL DEVELOPED ON THE EVAPORITE DEPOSITS FROM STANA (CLUJ DISTRICT).

          Authors: HOREA BEDELEAN.

5.  NEW DATA ON THE VOLCANIC TUFF FROM PETREŞTII DE JOS (CLUJ DISTRICT).

          Authors: HOREA BEDELEAN, IOAN IVAN, DANA POP, IOAN BEDELEAN, GHEORGHE PLEŞOIU.

6.  CONTRIBUTIONS TO THE STUDY OF THE ALLUVIAL GOLD FROM VALEA PIANULUI AREA (ALBA DISTRICT).

          Authors: HOREA BEDELEAN, AURA BEDELEAN.

7.  REMOVAL OF SOME HEAVY METAL IONS FROM SYNTHETIC WASTEWATERS USING NATURAL ZEOLITES. A COMPARATIVE STUDY.

          Authors: MARIA STANCA, ANDRADA MĂICĂNEANU, SILVIA BURCĂ, HOREA BEDELEAN.

8.  ELECTROPLATING WASTEWATER TREATMENT USING A ROMANIAN BENTONITE.

          Authors: SILVIA BURCĂ, GEORGE VERMESAN, CAIUS BULEA, MARIA STANCA, HOREA BEDELEAN, ANDRADA MĂICĂNEANU.

9.  FE/ZVT CATALYSTS FOR PHENOL TOTAL OXIDATION.

          Authors: ANDRADA MĂICĂNEANU, MARIA STANCA, SILVIA BURCĂ, HOREA BEDELEAN.

10.  HEAVY METAL IONS REMOVAL FROM MODEL WASTEWATERS USING ORAŞUL NOU (TRANSILVANIA, ROMANIA) BENTONITE SAMPLE.

          Authors: ANDRADA MĂICĂNEANU, HOREA BEDELEAN, SILVIA BURCĂ, MARIA STANCA.

11.  OPEN SYMPOSIUM: REMOVAL OF HEAVY METAL IONS FROM WASTEWATERS USING NATURAL MATERIALS.

          Authors: HOREA BEDELEAN, ANDRADA MĂICĂNEANU, MARIA STANCA, SILVIA BURCĂ.

12.  INVESTIGATIONS ON SOME ZEOLITIC VOLCANIC TUFFS FROM CLUJ COUNTY (ROMANIA), USED FOR ZINC IONS REMOVAL FROM AQUEOUS SOLUTION.

          Authors: HOREA BEDELEAN, ANDRADA MĂICĂNEANU, SILVIA BURCĂ, MARIA STANCA.

13.  ORGANICS REMOVAL FROM AQUEOUS SOLUTIONS USING SUSPENDED AND IMMOBILIZED ROMANIAN BENTONITES.

          Authors: ANDRADA MĂICĂNEANU, CERASELLA INDOLEAN, SILVIA BURCĂ, MARIA STANCA, HOREA BEDELEAN, MAJDIK CORNELIA.

14.  PRELIMINARY INVESTIGATIONS ON CLINOPTILOLITE USAGE AS SELECTIVE ADSORBENT FOR WASTEWATER ANALYSIS.

          Authors: CLAUDIA CIMPOIU, ANDRADA MĂICĂNEANU, ANAMARIA HOSU, HOREA BEDELEAN.

15.  CATALYTIC WET AIR OXIDATION OF PHENOL USING METAL MODIFIED ZEOLITIC VOLCANIC TUFFS.

          Authors: HOREA BEDELEAN, MIRCEA DARABANTU, ANDRADA MĂICĂNEANU.

16.  ROMANIAN (MĂCICAŞ) ZEOLITIC VOLCANIC TUFF FOR MALACHITE GREEN REMOVAL .

          Authors: ANDRADA MĂICĂNEANU, HOREA BEDELEAN, RALUCA PLEȘA CHICINAȘ.

17.  TREATED DIATOMITE FOR TOLUIDINE BLUE REMOVAL FROM WASTEWATER. IS IT WORTH IT?.

          Authors: HOREA BEDELEAN, RALUCA PLEȘA CHICINAȘ, ANDRADA S. MĂICĂNEANU.

18.  Na⁺ - NH₄⁺ CATION EXCHANGE STUDY ON TREATED ZEOLITIC VOLCANIC TUFF IN FIXED BED COLUMN.

          Authors: HOREA BEDELEAN, ANDRADA S. MĂICĂNEANU.