=EF=BB=BFI think this is called waste treatment and not allowed without a license.  Monona 


-----Original Message-----
From: JOHN L STRAUGHN <0000120dde6ec15c-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>
To: DCHAS-L <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Sent: Sun, Aug 2, 2020 05:34 AM
Subject: Re: [DCHAS-L] neutralizing ammonium sulfide

I'd try this: small scale, look for sulfur precipitation (may clear with further addition of peroxide), nitrogen gas bubbling and further NOx generation (red-brown fumes, ie. in a hood) possible. Get a recipie that works and share it in glory!

---

From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> on behalf of 00000eca7dd1d088-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU <00000eca7dd1d088-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>
Sent: Friday, July 31, 2020 12:06 PM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Subject: Re: [DCHAS-L] neutralizing ammonium sulfide

 

You might look into adding hydrogen peroxide, perborate or some persulfate derivative.

Dan

-----Original Message-----
From: Nickie Norton <nnorton**At_Symbol_Here**SHEPCHEM.COM>
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Sent: Fri, Jul 31, 2020 10:35 am
Subject: [DCHAS-L] neutralizing ammonium sulfide

Hi All,

 

We are using ammonium sulfide in excess in a reaction in water.  What is the proper way to dispose of the aqueous ammonium sulfide?  We are concerned that if we add bleach we will make chloramine.  Does anyone have a way to convert the ammonium sulfide to ammonium sulfate?

 

Thank you,

 

Nickie Norton

Research Chemist

The Shepherd Chemical Company

4900 Beech Street

Norwood, OH  45212

nnorton**At_Symbol_Here**shepchem.com

513-842-9332

 

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