Difference between byproduct ammonia water and ammonia water
2025-04-27
Byproduct ammonia water is an industrial byproduct containing impurities
Byproduct ammonia water is an industrial byproduct containing impurities and with unstable concentration; synthetic ammonia water (ordinary ammonia water) is pure ammonia gas dissolved in water, with a single component and controllable concentration.
Main Differences
Composition and Purity
Synthetic ammonia water: Made by directly dissolving ammonia gas (NH₃) in water, it has a single component, is colorless and transparent, and contains no heavy metals, organic matter, or other inorganic impurities.
Byproduct ammonia water: An industrial byproduct (such as the waste gas absorption liquid recovered during coking and coal chemical processes), it contains a large amount of impurities (such as carbon dioxide, hydrogen sulfide, coal tar residue, etc.), may appear yellow or black, and has a foul odor.
Physicochemical Properties
Concentration and Specific Gravity: The concentration of synthetic ammonia water is usually 0.5%~25%, with a lower specific gravity (specific gravity is 0.92 at 20% concentration); the concentration of byproduct ammonia water is unstable and has a higher specific gravity, which may increase transportation and use costs.
Corrosion and Clogging Risk: The carbonate compounds and particulate matter in byproduct ammonia water easily corrode pipelines and clog spray nozzles, while synthetic ammonia water does not have this problem.
Environmental Impact and Usage Restrictions
Byproduct ammonia water may cause secondary water pollution and affect the enterprise's wastewater discharge indicators; synthetic ammonia water is more environmentally friendly.
Impurities in byproduct ammonia water (such as hydrogen sulfide) will reduce the efficiency of desulfurization and denitrification, requiring increased usage.
Differences in Measurement Methods
Synthetic ammonia water can be directly measured using an online refractometer, densitometer, or conductivity method; due to the complex composition of byproduct ammonia water, it relies on titration or pH measurement (but is easily affected by impurities).
Application Scenarios
Synthetic ammonia water: Used in fields requiring high purity, such as fertilizers, chemicals, and denitrification.
Byproduct ammonia water: Mostly used as an industrial raw material for recycling; it needs to be treated before it can be used in agriculture or low-requirement scenarios.
Summary: The core difference between the two lies in purity and source. Byproduct ammonia water has lower costs but involves environmental and process risks, while synthetic ammonia water is more suitable for high-standard requirements.
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