Atch 2-3 Appendix 3-Specification for Chemicals used in Boiler Plants.pdf
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SPECIFICATIONS-WATER TREATMENT CHEMICALS FOR BOILER PLANTS
ELIN
A-C
Description Unit of
Issue
Delivery and Other Requirement
020 Sodium Hydroxide Bag Technical, granular minimum 99% pure NaOH
25kg per Bag
021 Sodium Hexametaphoshate Bag Technical 67~70% P205 powder
25kg per Bag
022 Sodium Sulfite Bag Technical granular
25kg per Bag
023 Sodium Chloride Bag Natural Salt (Type. Regular), technical mineral type, more than 99%, crude sized form. Water soluble salt.
25kg per Bag
024 Hydrochloric Acid Liter Technical, 35.0% minimum (density =1.18).
The contractor shall bring 35% HCl by tanker truck and pump it “base designated amount of
HCl’ into a tank including valve operation on each Boiler plant.
025 Cyclohexylamine Drum Boiler feed water compound, more than 99%, neutralizing amine, all drums to bear adequate caution labels to protect against fire, poison, and caustic burn hazards. The contractor shall bring back all empty drums upon next delivery.
170kg per Drum
026 Morpholine Drum Boiler feed water compound, concentration
99% or greater, all drums to bear adequate caution labels to protect against fire, poison, and caustic burn hazards. The contractor shall bring back all empty drums upon next delivery.
200kg/Drum
027 Citric Acid Bag 99% pure Citric Acid. To remove scale from the surface of the boiler drum 25kg per Bag
028 Calcium-based scale release agent for Boiler.
Box Main component: Carboxylic acid
Sodium hydroxide
Sodium polyacrylate pH (1%): 10.7 ~ 12.0 10Kg per Box
029 Scale Dispersant Agent for
Boiler
10Kg per Box
Box Alkaline Medicine (Potassium Hydroxide, content < 5%)
Major Component: Potassium Hydroxide, Phosphonic acid
Phosphino carboxylic acid
Special carboxylic acid
Alkaline Chemicals
Boiling Point: Over 100 degrees
Freezing Point: -7.0 degrees
Solubility: Soluble in soft water of Misawa AB in arbitrary rate pH (1%): 11.8
Specific Gravity: 1.18 (20.0 degrees)
Viscosity: 30 (mPa·s)
Phosphorus Content: 1.9%
Nitrogen Content: None
COD: 3.4%
Flash Point: None
Explosion Point: None
Combustibility: None
Oxidative Character: None
Dust Explosion: None
Spontaneous Combustibility: None
*The purchase of this chemical is on trial basis to check compatibility with boiler plant in
Misawa AB, Japan.
030 Scale Dispersant Agent for
Boiler
10Kg per Box
Box Alkaline Medicine (Sodium Hydroxide, content < 5%)
Main Component: Carboxylic Polymers
Phosphonic Acid
Aqueous Solutions of
Alkaline Chemicals
Boiling Point: Over 100 degrees
Freezing Point: -5.0 degrees
Solubility: Soluble in soft water of Misawa AB in arbitrary rate pH: 7.6±0.8 (stock solution 25 degrees)
Specific Gravity: 1.09±0.03 (25 degrees)
Viscosity: 20 (mPa·s)
Phosphorus Content: 1.5%asP
Nitrogen Content: None
COD: COD Mm 16g/kg (1.6%)
Flash Point: None
Explosion Point: None
Combustibility: None
Oxidative Character: None
Dust Explosion: None
Spontaneous Combustibility: None
*The purchase of this chemical is on trial basis to check compatibility with boiler plant in
Misawa AB, Japan.
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