Recycling of purified water obtained after wastewater stripping
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What are some good ways to reuse the purified water produced by the wastewater stripping unit? I would be grateful if experts could share their insights! ! ! ! :)
Pump cooling water, electrodeionization feed water
The sulfur recovery stripping water is fed into the circulating water to control conductivity
Your description is too vague; larger refineries basically all have wastewater treatment facilities. Purified water goes around to remove wastewater. Enter the filtration device again. Sent back to the power workshop. Used for circulating water.
Our purified water production is about 60 tons per hour, while the amount of water treated is around 10 tons per hour. How are the parameters controlled for the water that is recycled to the power plant as circulating water? :lol
Electrodesalination water injection has been reused, with the hydrogen sulfide content in the purified water kept at 10 mg/l; however, there is a high amount of sulfides, which exist mainly in the form of thiol compounds, and stripping does not provide a solution to this issue. Additionally, with the alkali injection process, the pH of the purified water is on the high side, and the cooling water seems to be unfavorable for corrosion prevention.
What additional treatment processes are required after passing through circulating water? :lol
It can be used in coking units as desulfurization water; if the salt content of the purified water is low, it can be considered for use in watering the top distillates, watering the trays at the top of the tower for salt removal, or for electric-driven water injection.
It can be used for the water in various raw material tanks and water seal tanks
We are already reusing this, and thanks again for your attention!