Segregation of Wastestreams

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0 height="100%"><tr> <td valign="top" width=200 BGCOLOR="#003333" TEXT="#F7F7FF" background="040d4c00dduajq.gif"> <div> <TABLE BORDER="0" CELLPADDING="2" CELLSPACING="0" WIDTH="95" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="BOX" RULES="ALL" ALIGN="BOTTOM" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 46 WIDTH="91"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="46" ALIGN="bottom" WIDTH="91" HSPACE="0" VSPACE="0"></tD> </tR> </TABLE></div> <bR> <DIV ALIGN="LEFT"></DIV> <div> <IMG SRC="09aa5f00.gif" border=0 width="165" height="240" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> </td> <td valign="top" BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <FONT SIZE="5" COLOR="#003333" FACE="Arial" ><B>Tradable Pollution Discharge Permitting for Industrial Users</B></FONT>     |     <A HREF="index.htm" TARGET="_top" TITLE="Tradable Pollution Discharge Permitting "><U>home</U></A></div> <div> <A HREF="id17.htm" TARGET="_top" TITLE="About Me"><U>About Me</U></A>   |   <A HREF="id23.htm" TARGET="_top" TITLE="Tradable Discharge Permits For Industria"><U>Tradable Discharge Permits For Industrial Users</U></A>   |   <A HREF="id18.htm" TARGET="_top" TITLE="Equimarginal Principal (a simplified app"><U>Equimarginal Principal (a simplified application using two firms)</U></A>   |   <A HREF="id25.htm" TARGET="_top" TITLE="Treatment Technologies"><U>Treatment Technologies</U></A>   |   <B>Segregation of Wastestreams</B>   |   <A HREF="id24.htm" TARGET="_top" TITLE="News Items"><U>News Items</U></A>   |   <A HREF="id22.htm" TARGET="_top" TITLE="Favorite Links"><U>Favorite Links</U></A>   |   <A HREF="id20.htm" TARGET="_top" TITLE="Contact Me"><U>Contact Me</U></A></div> <div> Segregation of Wastestreams</div> <bR> <DIV ALIGN="LEFT"></DIV> <div> Treatment of Segregated Metal Wastestreams</div> <div> Treatment costs are reduced by wastestream segregation. Chrome, cyanide, oily waste, or precious metals sources must be identified and treated separately in order to be combined and treated with source wastestreams of common metals, before being discharged to the municipal WWTP.</div> <bR> <div> <IMG SRC="093d5500.gif" border=0 width="469" height="592" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <bR> <bR> <bR> <div>     <U>Treatment Method</U>:<FONT SIZE="4" COLOR="#000000" FACE="Arial" >                    </FONT><FONT SIZE="4" COLOR="#0000FF" FACE="Arial" ><U>Purpose</U></FONT><FONT SIZE="4" COLOR="#000000" FACE="Arial" ><U>/Comments</U></FONT></div> <div> <B>1.</B><I> </I><FONT SIZE="4" COLOR="#BF0000" FACE="Arial" ><I>Oxidation/sulfur dioxide:</I></FONT>         <FONT SIZE="4" COLOR="#0000FF" FACE="Arial" >Chrome Reduction</FONT></div> <bR> <div> from hexavalent Cr<FONT SIZE="1" COLOR="#000000" FACE="Arial" >6+  </FONT>to trivalent state Cr<FONT SIZE="1" COLOR="#000000" FACE="Arial" >3+</FONT>, through pH decrease/alkaline precipitation; pH critical</div> <bR> <bR> <div> <B>2.</B><I> </I><FONT SIZE="4" COLOR="#BF0000" FACE="Arial" ><I>Oxidation/sodium:</I></FONT><I>  </I>                   <FONT SIZE="4" COLOR="#0000FF" FACE="Arial" >Cyanide</FONT> <FONT SIZE="4" COLOR="#0000FF" FACE="Arial" >to cyanate</FONT></div> <bR> <div> then, cyanate to carbon dioxide and nitrogen <I>hypochlorite </I>gas; pH critical</div> <bR> <bR> <div> <B>3.</B><I> </I><FONT SIZE="4" COLOR="#BF0000" FACE="Arial" ><I>Evaporation, ion exchange:</I></FONT>    <FONT SIZE="4" COLOR="#0000FF" FACE="Arial" >Precious metals recovery</FONT> </div> <bR> <div> after cyanide removal</div> <bR> <bR> <div> <B>4.</B><I> </I><FONT SIZE="4" COLOR="#BF0000" FACE="Arial" ><I>Demulsification:  </I></FONT><I> </I>                       <FONT SIZE="4" COLOR="#0000FF" FACE="Arial" >Oily waste</FONT> <FONT SIZE="4" COLOR="#0000FF" FACE="Arial" >separation</FONT> </div> <bR> <div> process coolant/lubrication <I>centrifugation, ultra</I><I>-</I><I>filtration,</I> <I>reverse</I> <I>osmosis; </I>removal of free oils, water soluble oils and grease</div> <bR> <bR> <div> <B>5.</B><I> </I><FONT SIZE="4" COLOR="#BF0000" FACE="Arial" ><I>Aeration, carbon adsorption:</I></FONT>    <FONT SIZE="4" COLOR="#0000FF" FACE="Arial" >Control of</FONT> <FONT SIZE="4" COLOR="#0000FF" FACE="Arial" >toxic organics</FONT> </div> <bR> <div> which are more soluble in oil and grease, therefore removal of oil and grease will reduce toxics</div> <bR> <bR> <div> <B>6. </B><FONT SIZE="4" COLOR="#BF0000" FACE="Arial" ><I>Sulfide precipitation:</I></FONT>                   <FONT SIZE="4" COLOR="#0000FF" FACE="Arial" >Break</FONT> <FONT SIZE="4" COLOR="#0000FF" FACE="Arial" >complexing metal</FONT> </div> <bR> <div> solution and allow <I>chemical reduction,</I> precipitation and settling for treatment</div> <bR> <div> <A HREF="id17.htm" TARGET="_top" TITLE="About Me"><U>About Me</U></A>   |   <A HREF="id23.htm" TARGET="_top" TITLE="Tradable Discharge Permits For Industria"><U>Tradable Discharge Permits For Industrial Users</U></A>   |   <A HREF="id18.htm" TARGET="_top" TITLE="Equimarginal Principal (a simplified app"><U>Equimarginal Principal (a simplified application using two firms)</U></A>   |   <A HREF="id25.htm" TARGET="_top" TITLE="Treatment Technologies"><U>Treatment Technologies</U></A>   |   <B>Segregation of Wastestreams</B>   |   <A HREF="id24.htm" TARGET="_top" TITLE="News Items"><U>News Items</U></A>   |   <A HREF="id22.htm" TARGET="_top" TITLE="Favorite Links"><U>Favorite Links</U></A>   |   <A HREF="id20.htm" TARGET="_top" TITLE="Contact Me"><U>Contact Me</U></A></div> <bR> </td> </tr></table></body>