Rankine Cycle - an overview | ScienceDirect Topics

The high-pressure liquid enters a boiler, where it is heated at constant pressure to the compressed liquid (Step 2-3) and two-phase (i.e., water and steam) mixture (Step 3-4). The steam is then passed through the superheaters, where it superheated (Step 4-5). The steam is then expanded through a turbine to generate power (Step 5-6).

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inge Gmbh - DuPont

For decades, drinking water and water for domestic use have been obtained through traditional thermal methods of seawater desalination: The sea water is heated until it reaches boiling point and evaporates, at which point the hot steam is cooled and condensed into fresh water.

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Utility systems - processdesign

Feb 22, 2016 · Boiler-feed water (BFW) is used to produce steam. Both may need to be purified to prevent impurities from contaminating a process or from foul equipment. It can be used as a cooling stream when the temperature of the stream to be cooled is greater than ~300 ⁰F.

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Sodium silicate | Na2SiO3 - PubChem

For microgram quantities in air, as from escaping steam of treated boiler water, a colorimetric method using an ammonium molybdate-sulfuric acid reagent has been described. APHA; Standard Methods for the Examination of Water and Wastewater, 14th edition, American Public Health Association, Washington, DC. pp. 484-92 (1975)

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Historical Review on VTT Fast Pyrolysis Bio-oil Production

Mar 17, 2021 · The review summarizes VTT fast pyrolysis development efforts from the past 40 years. The experimental work has included a large variety of feedstocks (biomasses, wastes, oil shale, and plastic residues) and a variety of products (heating oils, refinery feeds, transportation fuels, and chemicals). As a result of the constant turbulence on fossil oil prices and changing regulatory

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Boiler water - Wikipedia

Boiler water is liquid water within a boiler, or in associated piping, pumps and other equipment, that is intended for evaporation into steam.The term may also be applied to raw water intended for use in boilers, treated boiler feedwater, steam condensate being returned to a boiler, or boiler blowdown being removed from a boiler.

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Condensing boiler - Wikipedia

Condensing boilers are water heaters fueled by gas or oil. They achieve high efficiency (typically greater than 90% on the higher heating value) by condensing water vapour in the exhaust gases and so recovering its latent heat of vaporisation, which would otherwise have been wasted.This condensed vapour leaves the system in liquid form, via a drain.

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549 questions with answers in WATER TREATMENT | Science topic

May 06, 2021 · The best treatment for steam boiler inlet feedwater and the best chemical for water treatment depends on the characteristics of the water to be used and the operating properties and

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Pressurised Deaerators | Spirax Sarco

However, for high-pressure water-tube boilers and steam plant handling superheated steam, it is vital that the oxygen level in the boiler water is kept much lower (typically less than seven parts per billion - 7 ppb), because the rate of attack due to dissolved gases increases rapidly with higher temperatures.

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Sugar Industry: Process Description and Wastewater Treatment

Spent steam from the second and third evaporator is used for process, and vapours from the last evaporator are condensed through condensers. 5. Syrup Processing and Crystallization: The concentrated juice or syrup from the evaporator is again bleached by passing sulphur dioxide through it and the pH of the syrup drops down to about 5.4.

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