Boiler feed water for oxygen scavengerPROBLEM TO BE SOLVED: To provide a deoxidizer by which dissolved oxygen in water, particularly, in boiler feed water can efficiently be removed, and which has high safety.志村 幸祐田家 史郎
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摘要：An oxygen scavenger, containing a heterocyclic compound having a N-substituted amino group as an effective component, can adequately exhibit the oxygen scavenging effect in not only feed water lines for high temperature water, a boiler, and steam and condensate return lines, but also feed ...
NALFLEET™ Oxygen Control™ is a catalysed liquid hydrazine oxygen scavenger for boiler corrosion protection. NALFLEET™ Oxygen Control™ provides the required conditions for the establishment of a passivating layer (magnetite) in the boiler. NALFLEET™ Oxygen Control™ 是一种用于锅炉腐蚀防护的...
FIG. 2 is a schematic of a scavenger screening apparatus. DESCRIPTION OF THE INVENTION The invention is directed generally to reducing corrosion in boiler systems and more particularly to treating boiler water to remove dissolved oxygen. The invention is a method for removing dissolved oxygen from ...
RO2 = Ratio of the mg of employed chemical/mg of oxygen\n\nRfe = Ratio of the molecule of employed chemical/mg of formed magnetiteThe most used oxygen scavengers have been analysed and a new product, amine based, has beenproposed. Hydrazine must be avoided for its extreme toxicity. The ...
OF THE DISCLOSUREA method for removing dissolved oxygen from boiler\nfeed water, while providing metal passivation and\ncondensate treatment, comprises:\nadding to the boiler feed water an oxygen scavenging\namount of a solution of ascorbic acid neutralized\nwith diethylaminoethanol.\nThe solution ...
The invention provides a boiler oxygen scavenger and a preparation method of the boiler oxygen scavenger. The boiler oxygen scavenger comprises an organic reducing agent, a dispersing agent, a passivating agent, a pH adjusting agent and water, where the mass ratio of the organic reducing agent to...
The oxygen scavenger may further contain a polyhydric phenol type catalyst such as pyrogallol. By adding the oxygen scavenger to feed water of a water system of a boiler, oxygen reduction treatment of the water system is carried out.Yukimasa Shimura...
The oxygen scavenger may further contain a polyhydric phenol type catalyst such as pyrogallol. By adding the oxygen scavenger to feed water of a water system of a boiler, oxygen reduction treatment of the water system is carried out.doi:EP1619272 A1SHIMURA Yukimasa...