How to deal with waste ammonia
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It’s not a big quantity, but it’s wasteful and environmentally unfriendly to throw it away. I would be very grateful if you guys can give me some tips. This post was last edited by mingyyan on 2009-2-20 08:24 ]
(1) Introducing CO2 to produce ammonium bicarbonate, which becomes the raw material for chemical fertilizers. This is a relatively backward method. (2) After steam flash evaporation, ammonia is extracted.
The last set of unpowered ammonia recovery sprinkler, the ammonia content after recovery is PPM level. It is economical and environmentally friendly, and the unpowered ammonia recovery of our unit is running quite well.
Is it the waste ammonia water from the ammonia synthesis unit? A set of ammonia evaporation equipment can be installed to use the principle of distillation to distill the ammonia in the waste ammonia water into liquid ammonia (more than 99.5%). The tower will discharge ammonia-containing
The device for recovering ammonia from ammonia water without power is now very successful. It is recommended to get a set.
Ours was sold directly and seems to be used in many places. There are also people who specialize in recycling.
If you have a boiler in your factory, it can be used as the raw material for flue gas desulfurization. It not only has environmental protection benefits, but also sells sulfate anhydride products, killing two birds with one stone!
If there is not much waste ammonia, you can contact the tannery to sell it. If there is a lot, you can install an ammonia evaporation system for ammonia recovery.
We add the sewage circulation system to adjust the pH value, or add the boiler dust collector to desulfurize.
If there is less, send urea for desorption or sell it； If there is more, add an ammonia evaporation device, which is what my unit does.
Nowadays, due to the high pressure level of ammonia purge, which is generally above 150 kg, and the highest can be close to 320 kg, unpowered ammonia recovery may not have any performance at such a high pressure so far. The ammonia steaming tower method can be applied, but it consumes a lot of steam and is not cost-effective. Shijiazhuang promoted this technology many years ago; Zhenjiang once used this technology for flue gas desulfurization, and it is said that it has been promoted in several companies across the country, and the effect is not bad. Yunnan Decomposition seems to have a method, mainly to produce ammonium sulfate. As for which method is suitable for you, you can only determine it after multiple discussions.
Our company purchases a large amount of by-product synthetic ammonia from chemical plants in the Shandong, Hebei, Anhui, Jiangsu, Zhejiang and Shanghai regions all year round. The monthly demand is thousands of tons. The company has its own vehicles to pick it up at any time to solve the manufacturer's worries. Tel: 13573998567 Manager Zhang