Industry
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Methanol has a wide range of uses and is a fundamental organic chemical raw material and high-quality fuel. It is mainly applied in fine chemicals, plastics, and other fields to produce various organic products such as formaldehyde, acetic acid, chloromethane, methylamine, and dimethyl sulfide. It is also one of the important raw materials for pesticides and pharmaceuticals. After deep processing, methanol can be used as a new type of clean fuel and can be blended with gasoline. The reaction of methanol and ammonia can produce methylamine. The quality indicators are as follows: Color/Hazen units (platinum-cobalt color number) ≤ 10, Density (ρ20) 0.791-0.793 g/cm³, Boiling range (0°C, 101.3 kPa) at 64.0°C - 65.5°C.
Indicator quality requirements: Color/Hazen unit (platinum-cobalt color number) ≤ 10 Density (ρ20) 0.791-0.793 g/cm³ Boiling range (0°C, 101.3 kPa, within the range of 64.0°C - 65.5°C, including 64.6°C ± 0.1°C) ≤ 1.5°C Potassium permanganate test ≥ 20 min Water, w/% 0.2 Mass fraction of acid (calculated as HCOOH) ≤ 0.0050% or mass fraction of base (calculated as NH3) ≤ 0.0015% Mass fraction of hydroxyl compounds (calculated as HCHO) ≤ 0.01% Mass fraction of evaporated residue ≤ 0.
Quality requirements for indicators: - Color/Hazen units (platinum-cobalt color number) ≤ 10 - Density (ρ20) 0.791-0.793 g/cm³ - Boiling range (0°C, 101.3 kPa, within the range of 64.0°C - 65.5°C, including 64.6°C ± 0.1°C) ≤ 1.5°C - Potassium permanganate test ≥ 20 min - Water, w/% 0.2 - Mass fraction of acid (calculated as HCOOH) ≤ 0.0050% or mass fraction of base (calculated as NH3) ≤ 0.0015% - Mass fraction of hydroxyl compounds (calculated as HCHO) ≤ 0.01% - Mass fraction of evaporated residue ≤ 0.
Indicator quality requirements: Color/Hazen unit (platinum-cobalt color number) ≤ 10 Density (ρ20) 0.791-0.793 g/cm³ Boiling range (0°C, 101.3 kPa, within the range of 64.0°C - 65.5°C, including 64.6°C ± 0.1°C) ≤ 1.5°C Potassium permanganate test ≥ 20 min Water, w/% 0.2 Mass fraction of acid (calculated as HCOOH) ≤ 0.0050% or mass fraction of base (calculated as NH3) ≤ 0.0015% Mass fraction of hydroxyl compounds (calculated as HCHO) ≤ 0.01% Mass fraction of evaporated residue ≤ 0.
Indicator quality requirements: Color/Hazen unit (platinum-cobalt color number) ≤ 10 Density (ρ20) 0.791-0.793 g/cm³ Boiling range (0°C, 101.3 kPa, within the range of 64.0°C - 65.5°C, including 64.6°C ± 0.1°C) ≤ 1.5°C Potassium permanganate test ≥ 20 min Water, w/% 0.2 Mass fraction of acid (calculated as HCOOH) ≤ 0.0050% or mass fraction of base (calculated as NH3) ≤ 0.0015% Mass fraction of hydroxyl compounds (calculated as HCHO) ≤ 0.01% Mass fraction of evaporated residue ≤ 0.
Raw materials for the production of phthalic anhydride, dyes, resins, alpha-naphthoic acid, and saccharin. Industrial naphthalene is a basic chemical raw material, mainly used for producing water-reducing agents and dispersants. It is also a raw material for the production of synthetic resins, plasticizers, rubber antioxidants, surfactants, synthetic fibers, dyes, pharmaceuticals, and fragrances.
Indicator quality requirements: Color/Hazen unit (platinum-cobalt color number) ≤ 10 Density (ρ20) 0.791-0.793 g/cm³ Boiling range (0°C, 101.3 kPa, within the range of 64.0°C - 65.5°C, including 64.6°C ± 0.1°C) ≤ 1.5°C Potassium permanganate test ≥ 20 min Water, w/% 0.2 Mass fraction of acid (calculated as HCOOH) ≤ 0.0050% or mass fraction of base (calculated as NH3) ≤ 0.0015% Mass fraction of hydroxyl compounds (calculated as HCHO) ≤ 0.01% Mass fraction of evaporated residue ≤ 0.
Indicator quality requirements: Color/Hazen unit (platinum-cobalt color number) ≤ 10 Density (ρ20) 0.791-0.793 g/cm³ Boiling range (0°C, 101.3 kPa, within the range of 64.0°C - 65.5°C, including 64.6°C ± 0.1°C) ≤ 1.5°C Potassium permanganate test ≥ 20 min Water, w/% 0.2 Mass fraction of acid (calculated as HCOOH) ≤ 0.0050% or mass fraction of base (calculated as NH3) ≤ 0.0015% Mass fraction of hydroxyl compounds (calculated as HCHO) ≤ 0.01% Mass fraction of evaporated residue ≤ 0.
Indicator quality requirements: Color/Hazen unit (platinum-cobalt color number) ≤ 10 Density (ρ20) 0.791-0.793 g/cm³ Boiling range (0°C, 101.3 kPa, within the range of 64.0°C - 65.5°C, including 64.6°C ± 0.1°C) ≤ 1.5°C Potassium permanganate test ≥ 20 min Water, w/% 0.2 Mass fraction of acid (calculated as HCOOH) ≤ 0.0050% or mass fraction of base (calculated as NH3) ≤ 0.0015% Mass fraction of hydroxyl compounds (calculated as HCHO) ≤ 0.01% Mass fraction of evaporated residue ≤ 0.
Indicator quality requirements: Color/Hazen unit (platinum-cobalt color number) ≤ 10 Density (ρ20) 0.791-0.793 g/cm³ Boiling range (0°C, 101.3 kPa, within the range of 64.0°C - 65.5°C, including 64.6°C ± 0.1°C) ≤ 1.5°C Potassium permanganate test ≥ 20 min Water, w/% 0.2 Mass fraction of acid (calculated as HCOOH) ≤ 0.0050% or mass fraction of base (calculated as NH3) ≤ 0.0015% Mass fraction of hydroxyl compounds (calculated as HCHO) ≤ 0.01% Mass fraction of evaporated residue ≤ 0.
Indicator quality requirements: Color/Hazen units (platinum-cobalt color number) ≤ 10 Density (ρ20) 0.791-0.793 g/cm³ Boiling range (0°C, 101.3 kPa, within the range of 64.0°C - 65.5°C, including 64.6°C ± 0.1°C) ≤ 1.5°C Potassium permanganate test ≥ 20 min Water, w/% 0.2 Mass fraction of acid (calculated as HCOOH) ≤ 0.0050% or mass fraction of base (calculated as NH3) ≤ 0.0015% Mass fraction of hydroxyl compounds (calculated as HCHO) ≤ 0.01% Mass fraction of evaporated residue ≤ 0.
Indicator quality requirements: Ash content Aad% ≤ 12.5% Sulfur content St.d% ≤ 0.7% Moisture content Mt% ≤ 8.0% Volatile matter Vdad% ≤ 1.50% M40 ≥ 82% M10 ≥ 7.0% Post-reaction strength CSR ≥ 65.0% Reactivity CRICRI ≤ 28% Coke rate ≤ 25mm Particle size ≤ 8.0% Note: Only ash content, sulfur content, and moisture content are assessed for coke particles and coke powder.
Indicator quality requirements: Ash content Aad% ≤ 12.5% Sulfur content St.d% ≤ 0.7% Moisture content Mt% ≤ 8.0% Volatile matter Vdad% ≤ 1.50% M40 ≥ 82% M10 ≥ 7.0% Post-reaction strength CSR ≥ 65.0% Reactivity CRICRI ≤ 28% Coke rate ≤ 25mm Particle size ≤ 8.0% Note: Only ash content, sulfur content, and moisture content are assessed for coke particles and coke powder.
Indicator quality requirements: Ash content Aad% ≤ 12.5% Sulfur content St.d% ≤ 0.7% Moisture content Mt% ≤ 8.0% Volatile matter Vdad% ≤ 1.50% M40 ≥ 82% M10 ≥ 7.0% Post-reaction strength CSR ≥ 65.0% Reactivity CRICRI ≤ 28% Coke rate ≤ 25mm Particle size ≤ 8.0% Note: Only ash content, sulfur content, and moisture content are assessed for coke particles and coke powder.
10# Coal Quality Requirements Moisture Mt% ≤ 6-7 Ash Content Ad% ≤ 25-40 Internal Ash Ad% ≤ 5-6 Yield % ≥ 35-60 Yield % -- 1.80 Yield % ≤ 11-18 Volatile Matter Vdaf% ≤ 16-17 Internal Ash Sulfur St.d% ≤ 1.1-2.6 Total Ash Sulfur St.d% ≤ 1.6-3.5 Medium Coal Sulfur St.d% Caking Index (G) ≥ 35-70 Analysis Basis High Heating Value (Qgr), CAL/g ≥ 4300-6100 Received Basis Low Heating Value (Qnet), CAL/g ≥ 3900-56