Preparation of and carbonisation tests on low ash blend coals from the Witbank No. 2 seam

Coal Washing operation Greenside Primary

Primary Sec ond_ary

·secondary

12.ndG,u Primary

Primary Secondary Se crrn_dary

Douglas Primary

Prim2.ry Second2vry Secondary Van Dyksdrift Primary

Primary Secondary Soccmdary

Phoenix Primary

Koornfontein Primary Prir12,ry Secondary Secondary

Phoenix Prim2ry

T.N�C. Primary

Secondary

Springbok Primary

Primary Secondary Secondary

Greenside Primary

Primary Secondary Secondary New Clydesdale Primary

Primary Secondary Secondary Tweefontein Primary

Primary Secondary Sec0ndary Springbok Primary

Primary Secondary Secondary

8 TA]LE A2.

INDIVIDUAL WASHING RESULTS Size

fraction

.l. '

l¼

2 I

II - if

11

X X I X

l.'

^{2 · X}

!I

l¼ I

½' 1{ _1..' ^dt

2 ^I

1-¼ 1 q 2 ^I

-! � li ^I

l¼

I

½' l¼

½'

.1.., 2 I t

ii

"

11

"

,�"

½' l{

J�v l¼ ₂

:.1., 2

½' . .L? 2 I

� !t

I I l II l

H I C" ii

I

,; _I

"

II I

"

I

-

"

I ii I

Yi I - n

I

X :x

X X

X X

X X

X X

-v X

--"-

X X X

X X X X X X X

X X

X X X

X X X

X X

X X

X X

X X X X

... _

.1_,, 2

0�5 _{.l. "} mm 0.5 2 .mm.

_;L !! 2

o .. 5

½

^{I! mm}

o ..

5 mm Oo5

½''

_{.1.. ii} mn 0.5 2 ^mm

.l. I! 2

0.5 mm

½"

0.5 mm 0�5 mm

.. 1.11 2

Or5 mm

_1_" 2

0�5 ^mm 0.5 ^mr1

04' 5 ^rmn Oc5 rn...-rn

-?s-" ^N 0.5 _{.l_ It} ^r.lr.J

O2 p5 mrn.

..1. ii ₂

0 .. 5 _{_1_ II} mm 0.5 2 ^mm

_:t 2 n

0^., 5 fil."11

�-11

0.5 mm

.1 .. 11 2

0^., 5 mm

.l_vt 2

o .. 5 ^mm

.l.n₂ Oc5 mm

_1_11 2

0.5 ^mm

Test No^.,

497 499 500 498 504. 502 505 503 507 508 509 510 512 513 514 515 521 517 518 519 520 524-

528 529 530 531 532 533 5 3/i- 536 535 537 5t+2 544 543 545 556 557 558 559 561 562 563 564 _-····

Olean coal, Discard, yield yield Tons .. --.·v••--•

%

-·�--Tons

%

,l.,8

11 ''7

··t, )

9,0 6�7 5 ,,l 30.0 7,, 3 35"8 15r. 5 22�6 14 .. 6 25.3 1A,; 1 16 ^{0 /�}

36^,.8 38,,5 38^,.6 12 .. 9 25�2 12,.2 2•�-,, 9 72 .. 4 33PO 4-3 "8 14-" 3 24-c5 25 ,, 2 33 ,,8

26oQ

19 .. 6 2 ^{'-T o I ,1 '7} 22�8

9^,..8 35 .. 0 20,,3 46 .. 3

9,, 7 12e0 21t" 8 39 .. 9 1512 27,,3 21^,,4 35�3

25.0 30.2 71: .. 0 72 .. 9 28el 34.9 55 .. 3 63 .. 7 42 .. 0

!:-1,, 6 80.,6 79o3 23.1 30.,8 92 .. 8 88 .. l 31.,1 50.1 51,9 94.5 91.o 7 41.,6 3L� ⁿ 3 74-.,8 32,. 2 -'1-0 ⁰ 9 90.5 87.6 38.1 38.1 68 ·� �- 66 .. 8 26^.,l 49^,,8 86 ^.,7 85" 5 19c9 18 .. 9 77()3 75,,1 32"7 41.,9 88 .. 0 87.8

11�. 3 75.0 9.9 69.8 3.2 26.0 2.5 27ol 13n2 71.9 56o2 65.1 5"9 44.7 20.4 36.3 21�5 58.0 31.8 58.4 3.5 19 • Lt 6⁰6 20.7 47.1 76^., 9 36.6 69�2 2^.,8 7 .. 2 5.7 11.9 85 .. 5 68.9 12.,9 Ll9. 9 23., ^!� 48.1 0^,, 7 5.5 101.6 58o4 8�3

62.2 65 .. 7 18 ,,

,t

25.2 30o3 67,,8 35.6 59.1 2.6 9.5 4.7 12.4 r.;-2. 2 61 .. 9 31.8 61..9

12-o4 3L6 12" 3 ^{33" 2} 27,7 72^,.9 35.1 50<'2 3 .. 2 13.3 7.8 ^14o5 39.1 80,1 51.7 81Ql 7.3 22.7 12.9 24.� 9 24-� 4 67.3 40 .. 3 58.1

3.0 12 .. 0 4o2 12,2

/rn "�-.-� ,. -

Outpoint E.P.

1.35 0,002 1.38 0.013 1.61 0.013 1.63 0.017 1.37 0.010 1.39 0.010 1.57 0.014 1.57

o.

₀₁₃

1.37 0.008 1.38 0.014 1.60 0.013 1^,,59 0.017 1.35 00008 1.37 0.012 lo 64 0.019

! 1.61 0.019 1.36 0.013 1.36 0.011 1.36 0.012 1.69 0.012 1,.64 0.022 1.37 0.012 1.38 0.012 1.58 0 .. 015 1.36 0.008 1.38 0.013 1.60 0.027 1.59 0.023 1.38 0.008 1 .. 38 0.013_

1.58 0.012 1 .. 58 0.014 1.37 0.005 la35 0.010 1 .. 63 0.033 1.58 0.016 L-35 0.009 1.35 0.011 1^.,67 Oa018 1 .. 65 0.017 1.36 0.008 1�38 0.013 1�67 0.039 1.66 0.022