ammonium hydroxide

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ammonium hydroxide

[ə′mōn·yəm ‚hī′dräk‚sīd]
(inorganic chemistry)
NH4OH A hydrate of ammonia, crystalline below -79°C; it is a weak base known only in solution as ammonia water. Also known as aqua ammonia.
References in periodicals archive ?
X] emissions has been reduced by selecting a gas turbine-generator CHP unit using aqueous ammonia SCR with best available control technology rated to produce maximum 15 ppm N[O.
The process of absorption of CO2 by aqueous ammonia involves a complex chemical gas-liquid reaction [20], whose general chemical reaction expression follows:
Treatments of NMSO and aqueous ammonia shifted the peaks indicative of absorbed water from 1641 to 1666 [cm.
2]O (AR grade) prepared in SBF, whose composition is elicited in Table 1 [12]was used as the calcium source, the pH of which was raised to 9 using 1:2 solutions of aqueous ammonia and SBF respectively.
The PDS system can be used with chemicals such as hypochlorite, caustic, alum, and aqueous ammonia.
Tenders are invited for complete removal, installation and replacement of the sand hill energy center unit 5 aqueous ammonia heater skid.
This eliminates the hazards associated with the transport, storage and handling of anhydrous or aqueous ammonia.
Typical industrial-grade aqueous ammonia contains only 27 to 30 percent ammonia, which is its solubility in water," said Bhubanesh Agarwal, director of the energy applications division of Foster Wheeler.
The SCR reagent will be generated by the ULTRA system and will use urea as opposed to ammonia, which will eliminate the hazards associated with the transport, storage and handling of anhydrous or aqueous ammonia.
Tenders are invited for to deliver and transport aqueous ammonia at a fixed price, on a monthly or bi-monthly basis.
Fuel Tech's ULTRA process provides for the safe and cost-effective on-site conversion of urea to ammonia for use as a reagent in the selective catalytic reduction of nitrogen oxide (NOx), eliminating the hazards associated with the transport, storage and handling of anhydrous or aqueous ammonia.
Tenders are invited for Supply of alum sludge dewatering polymer, sodium hypochlorite, 50% liquid alum, orthophosphate corrosion inhibitor, 25% liquid caustic soda, polyaluminum hydroxychlorosulfate, fluorosilicic acid, aqueous ammonia, liquid oxygen (lox), sodium carbonate (soda ash-dense), sodium bisulfite 38% solution, granular activated carbon.