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>> Coke and chemical products
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1. Metallurgical coke, coke screenings
| Technical parameters |
Unit |
Metallurgical coke |
Coke screenings |
| Total moisture-max |
% |
6,0 |
8,0 |
| Total ash-max |
% |
12,5 |
14,0 |
| Total sulphur-max |
% |
1,0 |
1,0 |
| Volatiles-max |
% |
1,0 |
1,1 |
| Grain size |
mm |
25-90 |
10-25 |
| -below 10mm-max |
% |
- |
15,0 |
| -below 25mm-max |
% |
5,0 |
- |
| -above 25mm-max |
% |
- |
10,0 |
| Micuum |
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|
| -M - 25 min |
% |
85,0 |
- |
| -M - 10 max |
% |
8,5 |
|
| -M - 40 min |
% |
77 |
- |
Delivery- In bulk, by rail-way or auto trucks.
2. Coal tar
| Technical parameters |
Unit |
Value |
| Specific density at 20°C |
g/cm |
1,16÷1,25 |
| Moisture content - max |
% |
5,0 |
| Ash content - max |
% |
0,6 |
| Sulphur content - max |
% |
0,8 |
| Insolubles in toluene - max |
% |
14,0 |
| Coke number - max |
% |
29,0 |
| Engler viscosity at 80°C |
°E |
2,5÷6,5 |
Delivery - by auto and rail-way tanks.
3. Crude coke benzol
| Technical parameters |
Unit |
Value |
| Density at 20°C |
g/cm³ |
min 0,850 |
| Fraction content: |
| IBP |
°C |
min 65,0 |
| 97% evaporating at temperature |
°C |
max 195,0 |
| Bromine number |
g Bromine/100 cm³ |
max 30,0 |
| Total sulphur |
% |
max 1,5 |
| Chromatographic analysis: |
| Aromatics content |
% |
80-90 |
| Benzene content |
% |
min 60,0 |
| Toluene content |
% |
13-22 |
| Xylene content |
% |
3-6 |
Delivery - by auto and rail-way tanks.
4. Sublimated naphthalene, technical naphthalene
| Technical parameters |
Unit |
Sublimated naphthalene |
Technical naphthalene |
| Appearance |
- |
Not standardized |
Not standardized |
| Colour |
- |
Not standardized |
Not standardized |
| Crystallization temperature |
°C |
9,0 |
78,2 |
| Moisture content - max |
% |
0,2 |
Not standardized |
| Ash content - max |
% |
0,01 |
0,02 |
| Sulphur content - max |
% |
0,40 |
0,50 |
| Non-volatile residue - max |
% |
0,02 |
0,04 |
| Oil stain |
- |
Not allowed |
- |
Delivery - In paper bags of net weight from 15 to 30 kg for sublimated naphthalene. Technical naphthalene is delivered in the form of flat cakes of weight up to 20 kg in polyethylene bags or unpacked.
5. Ammonium sulphate
| Technical parameters |
Unit |
Value |
| Fixed carbon - min |
% |
20,5 |
| Moisture content - max |
% |
1,0 |
| Free sulphuric acid - max |
% |
0.15 |
| Colour |
- |
Not standardized |
| Water insoluble impuritier |
- |
Not standardized |
| Rhodanides |
- |
Not allowed |
Delivery - In bulk, by rail-way or auto trucks.
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