[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: naphthalene production P2?



Environmentally, naphthalene is better, but not a lot.
 
Ralph E. Cooper, Ph.D.
Mediator, Attorney & Counselor at Law
9901 IH-10 West, Suite 800
San Antonio, TX 78230
210.558-0555
----- Original Message -----
Sent: Tuesday, November 19, 2002 1:02 PM
Subject: RE: naphthalene production P2?

The substitute for naphthalene in mothballs is p-
dichlorobenzene (oh, joy).

-Kirsten

---- Original message ----
>Date: Tue, 19 Nov 2002 09:53:51 -0800
>From: "Butner, R Scott" <scott.butner@pnl.gov
>Subject: RE: naphthalene production P2? 
>To: "'Burton Hamner'" <bhamner@cleanerproduction.com>,
p2tech <p2tech@great-lakes.net>
>
>In a recent post to P2TECH, Burt Hamner
(bhamner@cleanerproduction.com)
>asked, in part:
>
>> An enviro agency has asked me for info on P2 for
naphthalene (moth balls!)
>production.
>
>Kelly Moran replied with the "correct" answer, which is to
consider product
>alternatives.
>OF course, Kelly's comments regarding the wisdom of
producing napthalene in
>the first place are important to keep in mind.  However, if
the only
>strategy you have to offer to a potential client is to stop
producing their
>product, sometimes it's pretty hard to make much progress
with them...
>
>As an aside, most napthalene is introduced to the
environment through routes
>other than mothballs, e.g., in wood smoke, cigarette smoke
or other
>pyrolysis processes (http://www.eco-
usa.net/toxics/naph.shtml).
>
>So with that in mind, here are a couple of suggestions:
>
>1) OF course, if you haven't done so already, check out the
ChemAlliance
>virtual plant tour
(http://www.chemalliance.org/Handbook/plant/index.htm)
>and look through the case studies for distillation and
crystalization, the
>two primary processes in napthalene production.  There are a
variety of P2
>strategies that might be adapted to this specific process.
>
>2) check out the viewgraphs at:
>http://156.35.54.14/nato/presentations/Trelles-QNALON-
SPAIN.pdf
>
>This is a presentation on a process alternative to
traditional coal tar
>distillation which uses hydrotreating of technical grade
napthalene (which
>generally contains a fairly high sulfur content, limiting
yield of the high
>grade material).  Might provide some ideas for process
modifications.
>
>3) the World Bank has a short document on environmental
issues, including P2
>approaches, for coke ovens.
>http://wbln0018.worldbank.org/essd/essd.nsf/GlobalView/PPAH/
$File/53_coke.pd
>f
>Many of these strategies should be applicable to napthalene
production, or
>at least the upstream portion of the process.
>
>4) UNEP has a case study from a Polish chemical works,
including some
>process housekeeping associated with their napthalene
production.
>http://www.emcentre.com/unepweb/tec_case/coke_23/recovery/r5.
htm
>Most of the documented strategies are simply good
housekeeping but
>nonetheless, placing these strategies in a chemical industry
context may be
>useful.
>
>Hope this helps.
>SB
>
>===============================
>Scott Butner
>Director, ChemAlliance
>c/o Pacific NW National Laboratory
>PO Box 999
>Richland, WA  99352
>Voice: (509)-372-4946/Fax: (509) 375-2443
>Website: http://www.chemalliance.org/
>E-mail: scott.butner@pnl.gov
>===============================
>
>
>
>-----Original Message-----
>From: Burton Hamner [mailto:bhamner@cleanerproduction.com]
>Sent: Monday, November 18, 2002 2:05 PM
>To: p2tech
>Subject: naphthalene production P2?
>
>
>An enviro agency has asked me for info on P2 for naphthalene
(moth balls!)
>production.  My web searches have not turned up anything
specific.  I have
>provided them with several good P2 manuals on organic chem
manufacture in
>general.  I am not a chemist and dont want to make any
technical suggestions
>beyond basic stuff like vapor controls.  Does anyone have
some references or
>tips for P2 for naphthalene production?  Thanks very much.
>
>Burton Hamner, MBA, MMA
>Visiting Professor, Department of Accounting
>Universidad de Pacifico - www.up.edu.pe
>Lima, Peru
>bhamner@cleanerproduction.com
>www.cleanerproduction.com
>511-219-0100 extensión 2354
>fax 511-219-0135
>USA fax 208-279-4991
>cell 511 943-3357
>
>
>* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* * * * * p2tech
>is hosted by the Great Lakes Information Network:
http://www.great-lakes.net
>To unsubscribe from this list: send mail to majordomo@great-
lakes.net with
>the command 'unsubscribe p2tech' in the body of your
message. No quotes or
>subject line are required. About :
>http://www.great-lakes.net/lists/p2tech/p2tech.info
>* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* * * * *
>
>* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* * * * *
>p2tech is hosted by the Great Lakes Information Network:
>http://www.great-lakes.net
>To unsubscribe from this list: send mail to majordomo@great-
lakes.net
>with the command 'unsubscribe p2tech' in the body of your
message. No
>quotes or subject line are required.
>About : http://www.great-lakes.net/lists/p2tech/p2tech.info
>* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* * * * *
===============================
Kirsten Sinclair Rosselot, P.E.
Process Profiles
P.O. Box 8264
Calabasas, CA 91372-8264

ksrosselot@processprofiles.com
http://www.processprofiles.com

(818) 878-0454
===============================

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
p2tech is hosted by the Great Lakes Information Network:
http://www.great-lakes.net
To unsubscribe from this list: send mail to majordomo@great-lakes.net
with the command 'unsubscribe p2tech' in the body of your message. No
quotes or subject line are required.
About : http://www.great-lakes.net/lists/p2tech/p2tech.info
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *