如何选择食品生产设备清洗剂易康ecolab.ppt

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1、Making The Right ChoiceCleaners第一页，编辑于星期六：二十二点 十分。Five FactorsNature of the SoilRole of WaterSurface to be CleanedMethod of ApplicationEnvironmental Concerns第二页，编辑于星期六：二十二点 十分。Nature of SoilsVisibleSolution:The Right CleanerInvisible(microorganisms)Solution:The Right Sanitizer第三页，编辑于星期六：二十二点 十分。Food

2、 IndustryClassification of SoilsFatProteinCarbohydratesMineral Salts第四页，编辑于星期六：二十二点 十分。Fat Removal 68 90.5 113 135.5 158CFWaterCleaner第五页，编辑于星期六：二十二点 十分。FatsEmulsification:SurfactantDisporsion:AlkaliSaponification:Strong Alkali第六页，编辑于星期六：二十二点 十分。ProteinAlkaline or AcidDissolve proteinsOxidizing Agen

3、tHydrolyze proteinsEnzyme(protease)Catalyst to hydrolyze proteins第七页，编辑于星期六：二十二点 十分。CaseinSolubility of Protein第八页，编辑于星期六：二十二点 十分。CarbohydratesSugarsSoluble in warm waterStarchesAlkaline or acid cleanerEnzyme(Amylase)第九页，编辑于星期六：二十二点 十分。Mineral SaltsFrom food and water suppliesBuild-up is referred to

4、 as“stone”Milk-stone,beer-stonePhosphates and polymers form soluble complexesChelates,the strongest,form soluble complexes第十页，编辑于星期六：二十二点 十分。Cleaning Solution第十一页，编辑于星期六：二十二点 十分。Typical Impurities in Water第十二页，编辑于星期六：二十二点 十分。Water HardnessThe most important chemical property of waterTemporary hardne

5、ssCalcium of magnesium bicarbonatePrecipitates upon heatingPrecipitates with alkaliPermanent hardnessCalcium or magnesium chlorides or sulfatesStable when heatedPrecipitates with alkaliHardness forms scale or leaves films第十三页，编辑于星期六：二十二点 十分。Water HardnessCalcium Carbonate CaCO3U.S.Geological SurveyH

6、ardnessGrains perGallonPPMSoft0-3.50-60Moderately Hard3.5-7.060-120Hard7.0-10.5120-180Very HardOver 10.5Over 18017.1 ppm Ca CO3=1 gpg第十四页，编辑于星期六：二十二点 十分。pHNormal range:pH 6.5 to pH 8.5Acid or alkaline cleaners are generally not affected by water pH第十五页，编辑于星期六：二十二点 十分。Minerals and Other ImpuritiesIro

7、n and manganeseCause StainCan react with oxidizers to create precipitateMicroorganisms第十六页，编辑于星期六：二十二点 十分。Suggested Water StandardsCleaning/Sanitizing ApplicationsTurbidityColorTaste/OdorTotal Dissolved SolidsHardness as CaCO3Alkalinity as CaCO3pHIronManganeseCopperChloridesSulfatesSilicaMicroorgani

8、smsStandard Plate CountColiformsPsychrotropes1-105-10Low5002502506-80.30.1220020015Pathogen freeLess than 500 cfu/ml.Less than 1 cfu/100 ml.Less than 20 cfu/ml.FactorSpecification(mg/L)第十七页，编辑于星期六：二十二点 十分。Surface or Material to be CleanedStainless Steel PreferredAluminumCopper and brassMild steelNon

9、metallic surfacesNature of surfaceSmoothnessCorrosion第十八页，编辑于星期六：二十二点 十分。Methods of ApplicationTypical Cleaning Solutions第十九页，编辑于星期六：二十二点 十分。Method of ApplicationMajor concerns in choosing method areExposure of the workerSkin contact and contamination of the airManual or hand cleaningpH between 4-10

10、.5High pressure spray cleaningFoam or gelMechanical cleaning(CIP)第二十页，编辑于星期六：二十二点 十分。EnvironmentalAll waste must be treated before it is discharged into the environmentpH-neutralize or reduce the effect before dischargePhosphatesBOD or COD of discharge water第二十一页，编辑于星期六：二十二点 十分。Chemistry of Cleaning

11、Detergent ComponentsSurface Active Agents(Surfactants)BuildersAlkaline BuildersAcid BuildersEnzymesWater ConditionersOxidizing AgentsFillersMiscellaneous Additives第二十二页，编辑于星期六：二十二点 十分。Chemistry of CleaningCleaners interact with soils on a Physical basisChanges the solubility characteristicsCleaners

12、interact with soils on a Chemical basisReacts with the soil,forms a new,water soluble substance第二十三页，编辑于星期六：二十二点 十分。Surface Active Agent-SurfactantHydrophobicHydrophilic第二十四页，编辑于星期六：二十二点 十分。Wetting PenetrationWater Only:Beads FormWater Plus Surfactant:Wetted SurfaceSoilCrackSoil第二十五页，编辑于星期六：二十二点 十分。

13、EmulsificationSurfactantsOilFatSurfactant第二十六页，编辑于星期六：二十二点 十分。Surface Active Agents/SurfactantsProvide three types of action:Wetting/penetrationEmulsificationSuspension第二十七页，编辑于星期六：二十二点 十分。Surfactants-+-+AnionicCationicNonionicAmphotericNegativePositiveNeutralAnionicCationicAlkaline pHAcid pH第二十八页，编

14、辑于星期六：二十二点 十分。Defoamers70F 90F 110F 130 150 FLowFoamLevelCloud PointHigh第二十九页，编辑于星期六：二十二点 十分。BuildersSubstances that increase the cleaning powerAlkaline BuildersAcid BuildersEnzymesWater ConditionersOxidizing Agents第三十页，编辑于星期六：二十二点 十分。Charge RepulsionAlkaline BuildersSoilSoilSoilSoilSoilSoil第三十一页，编辑

15、于星期六：二十二点 十分。Alkaline BuildersProvide a source of alkaliCaustic sodaCaustic potashTrisodium phosphateSodium and potassium carbonateSilicatesAmines第三十二页，编辑于星期六：二十二点 十分。Alkalinity as Sodium OxideAlkaline SourceEquivalent Sodium Oxide Na2O Total ActiveCausticSodium Hydroxide0.760.75Potassium Hydroxide0

16、.490.48Sodium Metasilicate0.500.47Sodium Carbonate0.570.28Sodium Tripolyphosphate0.180.05第三十三页，编辑于星期六：二十二点 十分。Acid BuildersIn food and dairy industries,common use is to remove and help prevent mineral stone/milk stone on processing equipment.Phosphoric acidNitric acidOrganic acids第三十四页，编辑于星期六：二十二点 十

17、分。EnzymeA specialized protein catalyst or molecule which speeds up a chemical reaction.SoilProteinFatsCarbohydratesEnzymeProteaseLipaseAmylase第三十五页，编辑于星期六：二十二点 十分。ProteinEnzyme第三十六页，编辑于星期六：二十二点 十分。Water ConditionersUsed to treat impurities in the waterSequestering agentsTie up calcium or magnesiumCh

18、elatesOrgano-phosphonates第三十七页，编辑于星期六：二十二点 十分。Threshold Effect250 pm CaCo3-Hardness WaterCloudyHighThresholdRegionStoichiometricRegionClearTurbidityLowConcentration ppm Hexameta Phosphate第三十八页，编辑于星期六：二十二点 十分。Oxidizing AgentsUsed as a cleaning booster in alkaline detergents第三十九页，编辑于星期六：二十二点 十分。FillersAdded to provide bulk or massOften added to dilute detergent formulas for safer handlingWater is most common filler in liquid productsSalts are most common fillers in powdered products第四十页，编辑于星期六：二十二点 十分。Miscellaneous IngredientsCorrosion inhibitorsSolvents第四十一页，编辑于星期六：二十二点 十分。