AGENDA ENVIRONMENTALIMPACTASSESSMENT Welcome&Introduction - - PowerPoint PPT Presentation

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AGENDA ENVIRONMENTALIMPACTASSESSMENT Welcome&Introduction - - PowerPoint PPT Presentation

Feb 02, 2024 119 likes •262 views

AGENDA ENVIRONMENTALIMPACTASSESSMENT Welcome&Introduction J.Schoeman,Assmang PurposeofMeeting T.Fischer,ESA PROPOSEDALTERNATEPRODUCTIONOF

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SLIDE 1
  • ENVIRONMENTALIMPACTASSESSMENT

PROPOSEDALTERNATEPRODUCTIONOF FERROCHROME&FERROMANGANESEAT ASSMANGCHROME,MACHADADORP

  • environmental

science associates

AGENDA

  • Welcome&Introduction – J.Schoeman,Assmang
  • PurposeofMeeting– T.Fischer,ESA
  • OverviewofAssmangChromeOperationsat

Machadadorp Works – J.Schoeman,Assmang

  • ProjectDescription&EIAProcess – H.Crous,ESA
  • AirQualityAssessment – T.Fischer,ESA
  • WayForward – H.Crous,ESA
  • Closure– J.Schoeman,Assmang

PROJECTMOTIVATION

  • Currentproduction300000tonslowcarbonferrochromeper

annum

  • Fluctuationsinmarketdemand
  • Internationalchromepricescyclical
  • Historically,periodswherechromepricesweresolow,
  • perationuneconomical
  • RequireddownsizingatAssmangMachadadorp works,

includingjoblosses

  • Demandandthereforepriceofmanganesealsofluctuates,

butofteninoppositetothechromeprice

  • Similartechnicalandinfrastructurerequirementsfor

productionofferrochromeandferromanganese

PROJECTPROPOSAL

  • Assmangproposestousetheirexistingelectricarcfurnaces

fortheproductionofferromanganesewhendemandin ferrochromeislow,andvisaversa

  • Couldbeone,moreorallofthefurnaces,orincombination

(chromeandmanganeseproductionatthesametime)

  • Avoiddown/scalingofoperationsasaresultoffluctuating

marketconditions

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SLIDE 2
  • LOCALITY

PROJECTDESCRIPTION(1)

  • Similartechnicalrequirementsforproductionofmanganese
  • Useofsameinfrastructureandsimilarmanagement:

Transport Rawmaterials– reductants,fluxes,coal Rawmaterialstorageareas Handling Furnaces Airpollutioncontrolequipment Energy Labour Management&Monitoring

PROJECTDESCRIPTION(2)

  • Somedifferencesthatwouldrequiremodificationor

infrastructure: (not partofthisEIA– beingdoneseperately aspartofslag disposalsiteexpansionEIA) Briquettingplantforprocessingbagfilterdust/ recycled backintofurnaces UpdateOHSandenvironmentalmanagementand monitoringprocedures

  • Increaseinvolumeofrawmaterialsandenergyuse,

emissionconcentrationandslagvolumesnotexpected (ratherdecrease)

ENVIRONMENTALIMPACTASSESSMENT

  • Systematicprocesstoidentifypotentialpositiveandnegative

impacts on the environment (biophysical, socio/economic, cultural)associatedwithproposedactivity.

  • Examine alternatives / management measures to minimise

negativeandoptimise positiveconsequences.

  • Preventsubstantialdetrimentalimpacttotheenvironment
  • Improvetheenvironmentaldesignoftheproposal
  • Ensurethatresourcesareusedefficiently
  • Identifyappropriatemanagementmeasuresformitigationand

themonitoringthereof

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SLIDE 3
  • AIMS&ADVANTAGESOFEIA

Toauthorities:

Informeddecisionmaking; Improvement/protectionofenvironmentalquality; Managesustainableutilisation ofresources; Understanding demands

  • n

bulk services, waste managementservices,urban/naturalforms,etc.

AIMS&ADVANTAGESOFEIA

Tointerestedandaffectedparties:

Anopportunitytovoicecommentsandconcerns; Protectingenvironmentalrights; Utilisation oflocalandindigenousknowledge; Increasedknowledgeandenvironmentalawareness.

AIMS&ADVANTAGESOFEIA

Tothedeveloper:

Compliancewithenvironmentalstandardsandlegislation; Designimprovements&betterresourceutilisation; Improvedenvironmentalriskmanagement; Co/operationfromlocalcommunitiesandaffectparties; Improvedcorporatesocialresponsibility.

EIAREQUIREMENTS

  • GovernmentNoticeR.385,promulgatedintermsofSection24(5)of

theNationalEnvironmentalManagementAct(Act107of1998)– NEMAEIARegulations

  • ActivitieslistedinGNR.386andR.387requiresauthorisation prior

tocommencement– processtobefolloweddescribedinGNR.385: BasicAssessment(R.386Activities) ScopingandEIA(R.387Activities)

  • Processesmainlydifferentintermsof:

Complexityofproposedproject; Potentialsignificanceofimpacts; Levelofinformationrequired; Processtobefollowed&timeframes.

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SLIDE 4
  • ‘LISTEDACTIVITIES’
  • IntermsofR.387,theconstructionoffacilitiesorinfrastructure,

includingassociatedstructuresorinfrastructure,for:

  • !"#$

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  • Nonewfurnaceinfrastructuredirectlyrelatedtoferromanganese

production,butamendmentofexistingRegistrationCertificates/ newAirEmissionLicensesrequired(NEM:AirQualityAct,2004).

  • Newbriquettingplantforrecyclingofbagfilterdust.
  • NewmanganeseslagdisposalareasubjectofseparateEIA.

Scoping &PlanOfStudy forEIA (POSEIA ) Environmental ImpactAssessment Application : SubmitapplicationtoCA Accept Reject Amend PublicParticipationPhase1: Submission : SubmitScoping &POSEIAtoCA Amend PublicParticipationPhase2: Authorise Reject Refuse Amend Submission : SubmitEIRtoCA

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SLIDE 5
  • ENVIRONMENTALASPECTS
  • Handling & storage of manganese ore, product and slag –

dust,surfacewater,groundwater,OHS

  • Furnace operation and air pollution abatement – emission

level,capacity

  • Constructionofbriquettingplant– noise,dust,surfacewater,

soil(temporary)

  • Transition from chrome to manganese –

clean/up of equipment,handling,disposal

  • Briquettingplant– dust,storage&handling,water

ENVIRONMENTALASPECTS

  • Furnace operation and air pollution abatement – emission

level,capacityandambientairquality

  • Handling & storage of manganese ore, product and slag –

dust,surfacewater,groundwater,OHS

  • Constructionofbriquettingplant– noise,dust,surfacewater,

soil(temporary)

  • Transition from chrome to manganese –

clean/up of equipment,handling,disposal

  • Briquettingplant– dust,storage&handling,water
  • Wastehandlingtreatmentandre/useanddisposal
  • Keyissuesaddressed

Air Particulateemissions(CrMn) Gaseousemissions(NOx) Water Geotechnicalandgroundwaterbaseline Captureandre/useofcontaminatedwater Waste Treatment Disposal

SummaryofKeyIssues

Emissions Inventory Meteorological Data Topographical Data

BackgroundAirQuality DispersionModel AirQualityModel

AirQualityAssessment

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SLIDE 6
  • Ambientairqualitymeasurementsby:
  • DEATSAWSairbornesurvey
  • ESKOMmonitoringstations
  • DOASairbornemeasurements
  • AssmangSAWSmonitoringstation????
  • Emissionofpotentialconcern
  • PM10(Particulatematter/ dust)
  • NOx,
  • Mn/Cr(VI)
  • Otheremissionsconsidered
  • SO2

AmbientAirQuality

  • Anemissionsinventorylistssourcesofatmosphericemissions

– Emissionsdeterminedforexistingsources – Determinesourcestrengthsforproposedplantemission

EmissionsInventory

Emissions Inventory Meteorological Data Topographical Data BackgroundAirQuality DispersionModel AirQualityModel

EmissionsInventory

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StackMonitoring(PM)

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SLIDE 7
  • '
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StackMonitoring(NOx)

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StackMonitoring(SO2)

  • NATIONALENVIRONMENTAL

MANAGEMENT:AIRQUALITYACT,2004(ACT39OF2004))

2000 350 NOx Oxidesof nitrogen Appropriatemethodselectedfrom Table1 50 50 Not applicable Particulate matter(PM) Existingplant Newplant Chemical Symbol Common Name Mannerinwhichmeasurementsof emissionsmustbecarriedout mg/Nm3 understandard conditionsof273Kelvin and101.3kPa. Substanceormixture

  • fsubstances

Beingtheminimumemissionstandardsforemissionsfromasingle identifiablesourceandfixed locationofatmosphericemissioninrespectofsubstancesormixtureofsubstancesresulting fromalistedactivityincludingthepermissibleamount,volume, emissionrateorconcentrationof thatsubstanceormixtureofsubstancesthatmaybeemittedandthemannerinwhich measurementsofsuchemissionsmustbecarriedoutascontemplatedinSection21(3)(a)ofthe Act. 3.MINIMUMEMISSIONSTANDARDSFORPOINTSOURCEEMISSIONS

FutureLegalEmissionStandards

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CompliancetoFutureEmissionStandards

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SLIDE 8
  • Topography

Emissions Inventory Meteorological Data Topographical Data BackgroundAirQuality DispersionModel AirQualityModel

Topography

EskomelectricitygenerationinSouthAfrica– 1999to2001(GWh)EskomEnvironmentalInformation2003 MpumalangaStateoftheEnvironmentReport

AmbientAirQuality

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SLIDE 9
  • AmbientAirQuality

AmbientAirQualityMonitoring AmbientAirQuality– PM2.5

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SLIDE 10
  • AmbientAirQualityPM2.5

Arnot Assmang AmbientAirQualityPM10 Arnot Assmang SANS1929StandardAmbientPM10 Arnot Assmang AmbientAirQuality– NO2

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SLIDE 11
  • AmbientAirQualityNO2

Arnot Assmang SANS1929StandardAmbientNO2 Arnot Assmang AmbientAirQuality– SO2 AmbientAirQualitySO2

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SLIDE 12
  • SANS1929StandardAmbientSO2
  • Cr(VI)AmbientMonitoring

AmbientairqualityCr(VI)

AmbientCr(VI)airqualitymonitoring Emissioninventory Dispersionmodelling

Cr(VI)AmbientMonitoring

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SLIDE 13
  • 1.5

0.31 4 15862 30/Jul 29/Jul S29/7 1.5 0.23 3 15686 29/Jul 28/Jul S28/7 1.5 0.15 2 16049 28/Jul 27/Jul S27/7 1.5 0.31 4 15851 30/Jul 29/Jul F29/7 1.5 0.16 2 15675 29/Jul 28/Jul F28/7 1.5 0.05 0.7 16170 28/Jul 27/Jul F27/7 1.5 0.02 0.3 15789 23/Jul 22/Jul IanH 22/7 1.5 0.02 0.3 15870 22/Jul 21/Jul IanH21/7 1.5 0.02 0.3 15824 21/Jul 20/Jul IanH 20/7 1.5 0.02 0.3 15559.5 23/Jul 22/Jul Club22/7 1.5 0.02 0.3 15870 22/Jul 21/Jul Club21/7 1.5 0.02 0.3 15870 21/Jul 20/Jul Club20/7 Ontario 24hDg/m³ 24hAv ConcenF tration ug/Nm3 mass Cr(VI) analysed Volume Sampled End Start Site

Cr(VI)AmbientMonitoring

MADivAirQualityControl 1998 Ig/m³ 0.003 24hours(Chromium(VI)) Massachusetts TARA1997 Ig/m3 0.1 Hourly(ShortTermESL / Cr(VI)) TARA MEDeptEnv Protection1996 Ig/m³ 0.3 Maine ArizonaAmbientAirQuality Guidelines Ig/m³ 2.4 Arizona AmbientAirQualityCriteria Ig/m³ 1.5 (Chromiumdi,triand hexavalentform) OntarioCanada NYDivAirResources1998 Ig/m³ 0.02 Chromium(VI) NewYork Regulation/Guideline Unit Level 24hours (Chromium(VI)) Country/State 24 hours

Cr(VI)AmbientStandards MnAmbientStandards

Waste

Wasteinventorycharacterisationandclassification Alternativedisposalmethods

Waste

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SLIDE 14
  • WasteHierarchy

WasteRecovery WAYFORWARD

  • ScopingProcesswillbegin

Identificationofpotentialimpacts PlanofStudyforEIA

  • ConsultationwithI&APs

ScopingReportwillbedistributedforcommentsandinput I&APs pleaseregister&provideinitialcomment

MrHanré Crous EnvironmentalScienceAssociates Cell:0824466414 Tel:(011)7282683 Fax:0866106703 EFmail:hanre@escience.co.za