I would like to ask about the energy consumption metrics for diaphragm caustic soda
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This post was last edited by sunjl1981 on 2013-1-6 22:25. Dear experts: I would like to ask what the approximate ranges are for the water, steam, raw salt, and electricity consumption per ton of diaphragm caustic soda produced? Calculated on a 100% NaOH basis; the original brine is calculated on a percentage basis as well. Thank you! # ， ， &
Metal anode, modified membrane, 30 square meter anode, fully halogenated salt process. Brine: 16.5 cubic meters; Total electricity consumption: 2850 kWh (including AC); Production of 42% liquid caustic; Coal consumption: 1.05 tons (with a calorific value of 3500 kcal)
Thank you, gufeng! ! What about 30%? What is the approximate water consumption per ton of product per batch?
The water consumption for producing 100 units of diaphragm caustic is approximately 4 tons, with a total electricity consumption of around 2,750 kWh. Steam consumption: 3.5 tons; salt consumption: 1750 (raw salt)
Okay, thank you all for your help! ! It feels great to be on this forum; I hope I can also help others.
It can’t be that high; a unit with such figures should be considered obsolete. The salt consumption is 1630, electricity consumption is 2470, and steam consumption is around 3200. We think this is still quite high, and there is still room for improvement.
Excuse me, is there a more detailed version that is allocated to each work section? . For example, the brine processing section, the evaporation section
The operating parameters of our factory’s 30-Ⅲ type electrolyzers at a current density of 1.8 KA are as follows: the amount of water used per unit time is 3~4 t/t； AC power: 2450–2490 kWh per ton; motor power: approximately 100 kWh per ton ； Steam consumption: 0.07~0.9 t/t for electrolysis, and about 2.95~3.15 t/t for 42% caustic soda. Note: All of the above are hydrotalcites.