Write it into the SOP for the process

On 8/2/20 9:07 AM, Joseph DiVerdi wrote:
> I would argue this is not ‰??waste treatment‰?? unless I, the chemist responsible for the process, defined the ammonium sulfide as ‰??waste.‰??
>
> jadv
> --
> Joseph A. DiVerdi, Ph.D., M.B.A.
> Associate Professor of Chemistry
> Colorado State University, Fort Collins, CO, USA
> +1.970.980.5868 - http://diverdi.colostate.edu/
>
>> On Aug 2, 2020, at 5:13 AM, Monona Rossol <0000030664c37427-dmarc-request**At_Symbol_Here**lists.princeton.edu> wrote:
>>
>> •ČŔI 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
>> 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 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
>> 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
>> 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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