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A-Cap Energy Limited 23.08.2019
ASX RELEASE

August 23, 2019: A-Cap Energy Limited (“A-Cap”, “the Company”) wishes to announce the results of recent metallurgical work at the Company’s flagship Wilconi Nickel - Cobalt Project (“Wilconi”) in Western Australia. The Company completed metallurgical drilling in four areas along the twenty-six kilometres of strike of the mineralised system (refer A-Cap’s ASX announcement dated 30 April 2019) and submitted representative samples to a number of laboratories to test different processing routes. The results clearly demonstrate that the Wilconi ore reacts favourably to a variety of different leaching solutions used in the industry.

 

Highlights of the metallurgical work are:

 

-          Hydrochloric Acid Leach:  99% of the Nickel and 99.7% of the Cobalt was leached

-          Sulphuric Acid Leach: 90% of the Nickel and 76% of the Cobalt was leached

-          Nitric Acid Leach:   89% of the Nickel and 88% of the Cobalt was leached

 

This initial metallurgical work is extremely encouraging, as the work clearly shows that the Company has several treatment options that can be further tested and refined.

 

In addition, A-Cap is currently conducting further metallurgical work in Australia, Canada and China, investigating other metallurgical methods.  The early emphasis on metallurgical studies at Wilconi is aimed at producing a metallurgical flowsheet that shows reduced capital costs when compared with traditional high-pressure acid leach processes.

 

The Chairman of A-Cap, Mr Shen AnGang, stated: “The metallurgical recoveries obtained in this round of metallurgical sampling are extremely encouraging. The simple fact that we know that the nickel and cobalt leach out under atmospheric conditions and, using a number of leaching acids, gives us a choice of flowsheets dependent on project economics. Our Company consultants are currently upgrading the JORC resource at Wilconi and our next phase of work will be more bulk metallurgical sampling and infill drilling”.

 

A-CAP ENERGY METALLURGICAL TESTWORK SUMMARY TABLE

 

METAL EXTRACTION %

SAMPLE

ACID

DOSAGE (kg/t)

TIME (hrs)

TEMP ˚C

Ni

Co

Fe

Mg

Mn

Al

MET1E

HNO₄

1800

6

110

88.9

88.2

81.4

85.0

59.0

76.2

MET2B

HNO₄

1800

6

110

84.4

84.9

63.3

86.6

64.0

63.4

MET1E

HCl

538

24

80

85.5

91.8

76.9

81.5

80.6

66.9

MET1E

HCl

608

24

80

91.5

96.6

83.7

84.4

93.0

72.6

MET1E

HCl

662

24

80

95.6

97.7

91.7

86.8

92.9

76.6

MET1E

HCl

797

24

80

99.2

99.7

97.4

89.7

99.2

83.2

MET1E

H2SO4

755

24

80

82.3

66.3

77.0

86.6

50.8

76.6

MET1E

H2SO4

902

24

80

81.9

59.8

75.2

85.2

43.5

72.0

MET1E

H2SO4

1077

24

80

84.7

63.1

76.8

85.0

43.4

76.0

MET1E

H2SO4

894

48

80

89.8

75.5

84.3

88.2

51.4

81.1

MET2B

HCl

549

24

80

91.8

97.5

77.7

91.3

96.2

66.0

MET2B

HCl

608

24

80

94.5

98.3

84.2

89.6

97.2

68.8

MET2B

HCl

714

24

80

95.9

98.3

93.1

90.4

98.1

70.4

MET2B

HCl

854

24

80

97.4

98.6

96.6

90.8

98.6

75.0

MET2B

H2SO4

755

24

80

82.3

49.0

56.7

86.2

40.7

63.8

MET2B

H2SO4

970

24

80

81.9

49.9

55.1

86.5

41.9

64.2

MET2B

H2SO4

1148

24

80

84.7

59.6

62.7

89.4

49.1

69.8

MET2B

H2SO4

960

48

80

89.8

74.6

71.4

89.7

55.5

76.8

 

Note: HNO₄ testwork conducted by Direct Nickel Pty Ltd. HCl & H₂SO₄ testwork completed by Simulus Laboratories.

 

For and on behalf of the Board

A-CAP ENERGY LIMITED

 

Paul Ingram

Deputy Chairman

 

Competent person’ s statement

 

Information in this report relating to cobalt, nickel and associated metals of the Wiluna Cobalt Nickel Project (Wilconi Project), is based on information compiled by Mr Paul Ingram, a director of A-Cap Energy Limited and a Member of AusIMM. Mr Ingram has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and the activity he is undertaking to qualify as a Competent Person under the 2012 Edition of the Australasian Code for reporting Exploration Results Mineral Resources and Ore Reserves. Mr Ingram consents to the inclusion of the data in the form and context in which it appears.

 

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