Coordinated phosphate control
Webpatentimages.storage.googleapis.com WebULTRAMARINESM HP BWT Program • Drew Marine pioneered the “modified phosphate-pH treatment” – Utilizes disodium orthophosphate and caustic so that no “free caustic” is generated in the boiler water – Sodium to phosphate ratio is approximately 2.75:1 and provides margin of safety for good control of the program – Went into effect in the …
Coordinated phosphate control
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WebSep 15, 2009 · Coordinated phosphate treatment (CPT) or captive alkalinity program was first introduced by Purcell and Whirl [27] fulfilled in high pressure boilers operating at the … Web2.2 Coordinated phosphate Coordinated phosphate or captive alkalinity program was introduced by Purcell and Whirl [1] in 1943. It was the first step on the control of free …
WebRecommendations Utilities operating drum-type boilers on phosphate base treatment should: 1. 2. 3. Monitor chemical injection practices closely during phosphate hideout and return conditions. Evaluate the loss of phosphate from …
WebPhosphate Control. Calcium phosphate is virtually insoluble in boiler water. Even small levels of phosphate can be maintained to ensure the precipitation of calcium phosphate in the bulk boiler water-away from heating surfaces. Therefore, the introduction of … Webphosphate buffer with coordinated control. Page 2 cpfb125.docx treatment and feeding r equirements Feed Point - Boiler steam drum via separate chemical feedline. Feedrate - Sufficient OptiSperse HP54352/ HP54672 shoul d be fed to maintain the recom mended boiler ph osphate residual. Feedrates de pend upon operating ...
WebCoordinated phosphate/pH control can be used to minimize the decrease in boiler water pH that results from condenser leakage. Maintenance of clean surfaces and the use …
WebAug 22, 1994 · The method of the present invention controls a pH/phosphate program by employing a plurality of monitorings to obtain crucial data from which the feedwater … gsr hotel reservations reno nv phone numberWebJan 1, 1995 · @article{osti_50698, title = {Investigation and operation experience of Russian high pressure drum boilers under phosphate treatment}, author = {Vasilenko, G V and Sutotsky, G P and Dooley, R B}, abstractNote = {Phosphate treatment of boiler water successfully solves the problem of prevention of low heat-conducting hardness salt … gsr free playWebCo-ordinated and congruent Phosphate treatment Alkalinity NaOH under certain conditions dissolves boiler metal. Co-ordinated treatment tries to avoid this by relying on the fact … gsr ice rink waiverWebNov 1, 2007 · In coordinated control phosphate levels are generally higher and no free caustic is allowed. Because there is little similarity between the actual boiler water composition and the model, errors ... gs rickshaw\u0027sWebThe method of the present invention controls a pH/phosphate program by employing a plurality of monitorings to obtain crucial data from which the feedwater phosphate … gs richcopy 360 manualWeb6.12.7 Phosphate-Protecting Groups. The selection of suitable phosphate-protecting groups is essential in the synthesis of complex molecules, particularly in the realms of … gs rickshaw\\u0027sWebSep 29, 2024 · In the power industry, phosphate treatment programs have undergone much evolution from TSP to coordinated and congruent programs, with a return to TSP only, … financial advisor training program