TECHNET Archives

April 1999

TechNet@IPC.ORG

Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
David Whalley <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 19 Apr 1999 11:55:22 +0100
Content-Type:
text/plain
Parts/Attachments:
text/plain (52 lines)
Shipley have developed a process for this - the lead is electro-won and
the tin is precipitated out as oxide (apparantly a very usefull polishing
material!). In addition to PCB manufacture this provides a usefull route
for tin/lead solder recycling during PCB dissasembly (or rework).

David Whalley

At 06:00 PM 4/17/99 +0800, you wrote:
>Hello, technetters,
>
>Quite some of board shops sucessfully installed on line copper etchant
>recycle. The technology is actually very mature.  The next stop for on line
>recycle  is Tin stripper.
>
>Any ideas or do you run tin stripper recycle on line successfully?  Please
>share your experience with us.  We are using nitric acid based stripper and
>think how to take Tin out of the spent solution.  We are using
>precipitation tank treatment.  Dialysis is one method but seems to be too
>expensive for just recovering the inpensive nitric acid.
>
>Please share your case which is feasible and cost effective and good for
>environment.
>
>################################################################
>TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
>################################################################
>To subscribe/unsubscribe, send a message to [log in to unmask] with
following text in the body:
>To subscribe:   SUBSCRIBE TechNet <your full name>
>To unsubscribe:   SIGNOFF TechNet
>################################################################
>Please visit IPC's web site (http://www.ipc.org) "On-Line Services"
section for additional information.
>For technical support contact Hugo Scaramuzza at [log in to unmask] or
847-509-9700 ext.312
>################################################################
>
>
>

################################################################
TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
################################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
To subscribe:   SUBSCRIBE TechNet <your full name>
To unsubscribe:   SIGNOFF TechNet 
################################################################
Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information.
For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312
################################################################


ATOM RSS1 RSS2