<p>GRAVITY GOLD CONFERENCE  /  BALLARAT  VIC  21 – 22 SEPTEMBER 20102N KATSIKAROS AND P DAVIESfavoured since it will allow multiple pass recovery. This is expected to recovery a further ten to 20 per cent of the gold  as indicated by lab tests on pilot plant generated material. The gravity concentrate from the ? otation circuit will also be leached using inline leach reactors. Initial intensive cyanidation tests carried out on lab generated ? otation concentrates indicated higher recoveries than CIL can be obtained even though the concentrates contain signi? cant levels of preg-robbing material. This can be explained by the high cyanide  high pH leaching conditions used in the ILR whichand Walsh  F.  Industrial Electrochemistry  Chapman and Hall  London.  1973   The analysis of a batch electrochemical reactor with continuouslyrecirculating electrolyte  Electrochimica Acta  vol. 17  Walker  A. and Wragg  A.  1977   The modelling of concentration-finerelationship in recirculating electrochemical reactor system   Electrochimica Acta  vol.</p><p>Merrill-Crowe Zinc Precipitation Plants Merrill-Crowe Zinc Precipitation Plants Merrill-Crowe Zinc Precipitation Plants Merrill-Crowe Zinc Precipitation Plants Merrill-Crowe Zinc Precipitation PlantsSepor’s State of Maine Mining Co. Pilot Scale and Small Production Scale Merrill-Crowe plants are manufactured in the following sizes:   050M-002  –  65 tons per day * 050M-005  –   300 tons per day ** Tons of solution per 24 hours.The plants are complete and include solution circulation pumps   flow meter for plantfeed  de-aeration system with vacuum pump  deaeration tower level control withrecirculation system  precipitation  precoat filter  clarifying precoat filter   zinc dusthoppGold flecking in tomato not caused by thrips or mite feeding  Gerald Brust  IPM Vegetable Specialist    Introduction: Tomatoes are one of the most profitable crops mid-Atlantic vegetable growers can produce  rivaling tobacco on a per acre basis. Though profitable  tomatoes are subject to many problems that can reduce yield and quality. One consistent quality reducing problem that growers in Maryland and across the nation face is gold fleck  or flecking. This is a frustrating problem as it appears just as fruit is beginning to ripen and is ready for harvest. In Maryland the flecking usually begins to appear sometime in mid to late July in field to</p><p>than those recently documented. Robert Baldock  the company s President commented   We are clearly excited by thisdeveloping technology and expect that it couldlead Jerritt Canyon to become an example anddemonstration Alpha site for the industry. Patent protection for the new technology isbeing pursued and it is hoped that thetechnology will be adopted by othercompanies which have difficulties in meetingtheir mercury emission levels.Following a year-long investigation intomercury emissions  in March 2008 the NevadaDivision of Environmental Protection (NDEP)ordered Queenstake to install new state-of-the-art mercury control (calomel) emissioncontrol equipment at the Jerritt CanThe ILR operates as follows:  The gravity concentrate gravitates to the solid storage tank of the ILR.  In the solid storage tank the concentrate settles and the decanted water returns to the gravity tailings sump.    When the sequence starts  solids from the solid storage tank are batched to the reactor drum.  The required reagents are pumped into the solution storage tank to produce the leach liquor.  Once this is completed the leach liquor is circulated through the reactor drum back to the solution storage tank for a predetermined period of time.  The hydrogen peroxide is also added for the whole duration of the leach cycle.  On completion of the leach step  the solids in the pre</p><p>UNIVERSITY OF CALIFORNIA  IRVINEAUGUST 200017GREEN AND GOLD PLANPyracantha Santa Cruz Height 3-4   Width 4-6 Use: as a screen or a form oferosion controlModerate growth? Species subject tomany diseases andpests especially whenunder stress? Not drought tolerantRhamnuscalifornica(Coffeeberry)Height 8-10   Width 8-10 Use: for screens  borders orbackgroundsModerate growthRhaphiolepis(Hawthorne)(14 Species with 10subspecies)Smallest species:Height  up to 1   Width up to 10 Largest species:Height  up to 12    Width up to 40 Use: for ground cover  borders andspecimen hedgesModerate growth? Not drought tolerantRhus integrifolia(Lemonade Berry)Shrub large fPeralta-Videa  1J. Parsons  and 1J.Gardea-Torresday 1Department of Environmental Science and Engineering  500 W. University Ave  University of Texas at El Paso  El Paso  TX 79968; Phone: (915)747-5847;  Fax: (915)747-5748. 2Department of Chemistry  500 W. University Ave  University of Texas at El Paso  El Paso  TX 79968; Phone: (915)747-5359; Fax: (915)747-5748. Abstract  Use of sewage sludge as a source of fertilizer for land  combined with large amounts of precious metals (Au  Ag  and Pt) that can be found in the sludge  provides a route for precious metals to enter the environment. This fact represents a potential source of surface and groundwater contamination. Based on</p><p>Project Description 2-14 ANCILLARY FACILITIES  Ancillary facilities associated with the Project would include a laboratory  warehouse  equipment fuelling and maintenance area  topsoil stockpiles  explosives magazine  mine services area  utilities and worker accommodation facilities.  The mine services area wouldbe located north of the plant site and include the administration office  security post  first aid clinic  heavy equipment workshop  light vehicle workshop  tyre shop  wash down bay  water services and mine control facilities (Figure 2-1).   Electrical Power  Approximately 2.7 MVA of electrical power would be required during construction for the Project.  Power would beTable PL-2.  Plant Species Observed or Potentially Occurring in Folsom Lake SRA Vegetation CommunitiesNative/IntroducedCalifornia Annual GrasslandChamise ChaparralLive Oak WoodlandBlue Oak Woodland & SavannaCottonwood/Willow RiparianFreshwater MarshSeasonal WetlandVernal PoolLake Shoreline Fluctuation ZoneAquatic/SubmergedRuderal/BarrenFamilyScientific NameCommon NamePlantaginaceaePlantago major Common plantainixxPlatanaceaePlatanus racemosaWestern sycamorenxPolemoniaceaeAllophyllum divaricatumnxxPolemoniaceaeGilia capitataGilianxPolemoniaceaeGilia tricolorBird’s eyesnxPolemoniaceaeGilia tricolor ssp. diffusaBird’s eyes gilianxxPolemoniaceaeLinanthus androsaceusnxx</p>