complete closure and remediation of the gyöngyösoroszi...

8th July 2005

Complete Closure andRemediation of the

Gyöngyösoroszi Lead-ZincMine

Gyöngyösoroszi’s attitude in Hungary

Gyöngyösoroszi

Mátraszentimre

Hasznosi-víztározóHasznosi reservoir

Mátraszentimre

Gyöngyösoroszi

Topological map

Complete Remediation

of the Gyöngyösoroszi Ore Mining

Realization chart of the complete remediationproject

Main objectsof the mine

Mátraszentimrei telér

Központi bányamezõ

Károly táró

Bányabérci teléraltáró

Altáró kifolyó,Vízkezelõ

Vein of Mátraszentimre

Vein of Bányabérc

Central mining area

Károly adit

Minewater discharge point

Mine water treatmentplant

Tailing pond Bencevölgy

Adit level

Recent state

Mine waterZn: ~ 20 mg/lQ: 4000m3/day

Water treatmentstation

V-2 plug (dam)

V-3 plug(dam)

Conception of the mine closing


Hazard of the recent state

Polluted springsV-3 plug

(dam)

V-2 plug(dam)

rippings

Cinktartalom a bányavízben

0

10

20

30

40

50

60

70

80

90

1988 .02.29

1989 .10

.2319

90 .09.18

1991 .07.31

1992 .11.2519

93 .11.11

1994 .09.05

1995 .11.1619

96 .10.03

1997 .09.021998 .09.3019

99 .10.21

2000 .08.292001 .10.082002 .09.052004 .02.20

cink

kon

c. m

g/l

Zn concentration in mine water at dischargeBányavíz pH-ja és oldott anyag tartalma 1988-2004 között

0

1

2

3

4

5

6

7

8

1988

.02.29

1989

.10.23

1990

.09.18

1991

.07.31

1992

.11.25

1993

.11.11

1994

.09.05

1995

.11.16

1996

.10.03

1997

.09.02

1998

.09.30

1999

.10.21

2000

.08.29

2001

.10.08

2002

.09.05

2004

.02.20

pH

0

1000

2000

3000

4000

5000

6000

7000

8000

mg/

lpH

oldott anyag

pH and TDS of the mine water between 1988-2004

TDS


Expected quality ofthe mine water afterthe backfilling:

Zn:~ 5,6 mg/l

Q: 2500 m3/day


Backfilling ofthe

Mátraszentimreregion

Backfilling the inner part

of the main adit with

coarse limestone


Pollution sources on the surface

Pollution sources on the surface

Tailing ponds:Tailing pond SzárazvölgyTailing pond Bencevölgy

Toka-stream and catchment basin:bed of streamswater reservoir of flotation mill (northern)agricultural water reservoir (southern)water reservoir Gyöngyösrédei

Waste rock piles:more than 30 waste rock piles

(100 m3 – 50.000 m3)

Recent state

Water treatment plant

Sedimentation basin I.

Sedimentation basin II.

Tailing pondBencevölgy

Toka - stream

Underground pipeline

Pump building

Remediation concept

� Taking-up water slurry

� Dewatering slurry

� Transportation to hazardous wasterepository

� Remediation

� Deadline: 31st December 2006

Tailings pond Bencevölgy

Recent state� 150 000 – 190 000 m3 water slurry

� 6 – 10 % total solid

� Non appropriate protection

� High contamination hazard

Average chemical composition of water slurry

559851713613612231000

AsMnCuCdPbZnmg/kg

Recent state� 182 000 m3 water

� 39 000 – 40 000 m3 sludge

� Extremly high Cd concentration



Average chemical composition of sludge

1456328821281527

ZnPbCuCdAsmg/kg

Reservoir of flotation mill

Remediation concept

� Taking-up sludge

� Dewatering sludge

� Transportation to tailings pond ofSzárazvölgy

� Remediation

� Save the lake as a recreation area

Tailings pond Szárazvölgy

Recent state� 2 018 000 m3 cleaner tailings

� approximately 3 000 000 t

� 3 fields



Average chemical composition of sludge

169768827811185

ZnPbCuCdAsmg/kg

Remediation concept

� building access roads

� Groundwater restoration

� Fine tailings stabilisation

� Reconturing and preparation ofthe surface for covering

� Covering

� Biological remediation, re-vegetation

Drilling of monitoring wells Mszi-1, Mszi-1/1


V-2 plug (dam)

V-3 plug(dam)

Borehole Mszi-1, Mszi-1/1

What is the aim:-Target area: mining cavities at 424 asl- measuring potentiometric water level during mine closing

Northern

part

ofthearea,

springsandstream

Toka-stream,

Száraz-stream

Tailingpondsand

waterreservoirs

Environmental state surveys 2003-2004:-More than 700

- water samples,- waste rock samples,- sludge samples

Water reservoir Nagyréde

Water reservoir flotation mill

Tailing pond Bence-völgy

Toka-stream

Toka-stream

Toka-stream ADIT Péter-Pál

Bánya-stream

Csege-stream

421332.23

517

518

519

520

521

522

277600.00

157312.41

158315.84

II.g t

337.93

336.45 328.63

55

5657

58

525453

505141

27

62

61

6059

k£t

f£r s

f£r sf£r s

508

88

8990

91

92

931004

116

327.83

328.77

344.10

94

99

100101

102

103

344.07

49345.48

333.93

330.17

345.82343.99

345.42

345.38342.27

345.26

345.13

345.36

344.00

345.53 345.17

345.56

344.02

110

112

113

114

115

328.66

328.47

330.90

330.79

331.04

330.79

321.40

330.90330.96

345.88

328.75

I.g tv¡z fel�let

328.73

330.80

329.56

329.50

337.29

338.54 329.07

327.85

327.61

328.48

327.49

329.22

329.34

328.08

327.49

328.28

329.29

327.50

327.84

329.05

23

509510

511

1005

344.75

95

96

97

98104

105 106

107

108

109 111

329.76

117

118

119120

121

122

123

124125

126

317.54

127

128

329.33

328.18

132

133

134

135

330.00

330.05

313.17

310.35

329.92

152301.54

140

141 142

143144

145

327.56

327.63

328.34

327.73328.39

327.64

337.49146

f£r s

156307.47

329.44

329.57

329.35

330.03

330.61

512513

1006

129

330.78

130

131

136

137153297.30

154296.51

155296.49

161294.43

f£r s

I/a.g tv¡z fel�let

71

335.40

337.64

337.31334.84

334.90

332.31

332.61

335.33

84

344.37

346.43346.34

346.28

346.51

346.73

346.19

1003

12

77

73

343.7378

67

344.38

79344.25

80343.42

68344.41

343.41

344.75

72

343.75

345.25346.45

346.43

344.34

81344.42

345.83

346.38

345.29

501

74346.86

346.66

346.16

75

343.44

344.47

76

346.63

17

37

43

42

3640

353839

6463

65

13

15

16

14

18

19

6966 83

70 523

524

525

526527528529

k£t

f£r s

f£r s

328.04327.12

3

159322.41

160324.18

1

514515

2

327.87

138

139

148

149

150

151

330.00

330.19

330.85

330.58

330.60

330.73

516

327.64

1474 331.25

k£t

329.86

329.43

10

11

344.85

344.28346.15

346.09

346.51

34

2829

3332

327.01

329.00

327.14328.06

328.71

342.23

345.09

344.14

345.15

344.30

345.74

346.03

346.28

344.08

1002346.11

5

6

78

26

24

22

21

20

25

31

30

9

f£r s

v¡zelvezet“ rok

k£t

46

85

v¡zelvezet“ rok

278400.00

502503

504

505

506507

8687

345.37

44344.39

82

344.24

45

339.36

347.29

346.3247

345.06

48345.26

338.25

712500 712700 712900

277600

277800

278000

278200

278400

Gy-Szv-1

Gy-Szv-2

Gy-Szv-3

Gy-Szé-1

702000 704000 706000 708000 710000 712000 714000

284000

286000

288000

290000

Gy-Kp-1

Gy-Csp-1

Gy-Nvp-1Gy-Tvp-1

Gy-Kvp-1

Gy-Csp-2

Gy-Gp-1

Gy-Mszt-1

Hasznosi-víztározó

Mátrakeresztes

Mátraszentimre

Gyöngyöstarján

Gyöngyösoroszi

Károlytárólakótelep

Száraz-völgyizagytározó

710000 712000 714000

270000

272000

274000

276000

278000

280000

282000

51 7

5 1 8

5 19

52 0

5 2 1

52 2

7126

00.0

0

2 77 60 00 0

575 8

I I g t

55

565 7

5 8

55

53

505

7

6

66059

f s

f s f s

5 0 8

8 8

8 990

9

9

930 0

6

9

99

00

0

0

0 3

9

0

3

5

I g tf

3

50 95 1 051 1

0 05

9 5

9 6

97

9 80

05 06

0 7

0 8

0 9

7

8

90

3

5

67

8

3

33

3

3 5

5

0

3

5

6

f s

56

51 25 1 3

00 6

9

30

3

36

3 75 35

55 6

f s

I /a g tf

7

8

0 03

77

73

3 78

67

7 9

8 0

68

7

8

5 01

7

7 5

76

3

7

3 7

3

360

353 839

66 3

65

3

5

6

8

9

6 96 6 8 3

705 2 3

5 2 4

5 25

52 65 2 7

52 852 9

f s

f s

3

59

6 0

51 45 1 5

3 8

3 9

8

950

5

5 16

7

0

3

89

333

0 0

5

6

78

6

0

5

3

3 0

9

f s

6

8 5

71

3000

.00

78 40 0 00

5 0 2 50 3

5 0 4

5 0 5

50 650 7

8 68 7

8

5

7

8

Gy-Tp-4

Gy-Tp-5

Gy-Tp-10

Gy-Tp-11

Gy-Tp-11/a

Gy-Tp-13

Gy-Tp-14

Gy-Tarj-1

Gy-Lé-1

Gyöngyös - Rédeivíztározó

Mezõgazdasági-víztározó

Ipari - víztározó

Gy-Tp-8

711400 711600 711800 712000

Gy-Atk-2Gy-Bvgsz-1

Gy-Bvö-1

Gy-Üsz-1 (I)Gy-Üsz-3 (III)Gy-Üsz-2 (XIII)

Gy-pH-3

Gy-Tp-15Gy-Tp-15/a

Bence-völgyi zagytározó

Southern part

Tailing pond Bence-völgy andMine water treatment plant

Northern part

Tailing pond Száraz-völgy

Hydrogeological monitoring objects

SOMETIMES FOGGY BUT NOT GLOOMYSOMETIMES FOGGY BUT NOT GLOOMYSOMETIMES FOGGY BUT NOT GLOOMYSOMETIMES FOGGY BUT NOT GLOOMY

complete closure and remediation of the gyöngyösoroszi...

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