The document summarizes Stephen Temple's presentation on odor control for JBS. It discusses identifying odor sources, like cooking protein and milling rooms, and the three phases of odor: gases, aerosols, and particulates. It also outlines solutions for containment and control, such as stack effect ventilation and wastewater treatment. The presentation emphasizes applying common sense and science to odor problems through monitoring, understanding sources and properties, and implementing targeted solutions.

1. Presented by
Stephen R. Temple
Steen Research LLC
Steenresearch.com
JBS
Presentation
September 17, 2014
STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering

2. Odor ControlOdor Control
STEEN RESEARCH, LLC
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Monitoring

3. o Mechanical Process
o Process
o Maintenance
o Chemistry
STEEN RESEARCH, LLC
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Common SenseCommon Sense
Odor Control
Odor Control
Program Incorporates

4. ProblemsProblems
SourcesSources
SolutionsSolutions
STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Common SenseCommon Sense
Common Sense:Common Sense:

5. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Common SenseCommon Sense
Stink

6. Cooking Fresh or Decaying ProteinCooking Fresh or Decaying Protein
Generates Odiferous GasesGenerates Odiferous Gases
ProblemProblem
STEEN RESEARCH, LLC
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Common SenseCommon Sense

7. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Odor SourcesOdor Sources
Primary SourcesPrimary Sources Secondary SourcesSecondary Sources
Common SenseCommon Sense

8. STEEN RESEARCH, LLC
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Primary SourcesPrimary Sources
 Infall BayInfall Bay
 Cooker and Hyrdolyzer (Fugitive Odors)Cooker and Hyrdolyzer (Fugitive Odors)
 Non-ConNon-Con
 Screw PressScrew Press
 CentrifugeCentrifuge
Odor SourcesOdor Sources
Common SenseCommon Sense

9. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Secondary SourcesSecondary Sources
 Cooker and Hydrolizer CondensateCooker and Hydrolizer Condensate
 Evaporator CondensateEvaporator Condensate
 W/W Bio ReactorsW/W Bio Reactors
 Aeration Ponds and BasinsAeration Ponds and Basins
 Milling RoomMilling Room
Odor SourcesOdor Sources
Common SenseCommon Sense

10. Three Phases of OdorThree Phases of Odor
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Common SenseCommon Sense

11. Nature of OdorNature of Odor
 Gas-Phase VOCsGas-Phase VOCs
 Aerosol Fats & OilsAerosol Fats & Oils
 Water VaporWater Vapor
 Solid ParticulatesSolid Particulates
 SmokeSmoke
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Odor SourcesOdor Sources
Common SenseCommon Sense

12. ContainmentContainment
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Odor SourcesOdor Sources
Common SenseCommon Sense

13. Milling Room SmokeMilling Room Smoke
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14. Control and ContainmentControl and Containment
STEEN RESEARCH, LLC
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Solutions
Common SenseCommon Sense

15. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Control and Containment
Common SenseCommon Sense
Solutions

16. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Control and Containment
Common SenseCommon Sense
Solutions

17. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Control and Containment
Common SenseCommon Sense
Solutions

18. Stack EffectStack Effect
STEEN RESEARCH, LLC
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Control and Containment
Solutions

19. Stack EffectStack Effect
STEEN RESEARCH, LLC
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Control and Containment
Solutions

20. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Control and Containment
Common SenseCommon Sense
Solutions

21. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Control and Containment
Common SenseCommon Sense
Solutions

22. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Control and Containment
Common SenseCommon Sense
Solutions

23. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Control and Containment
Common SenseCommon Sense
Solutions

24. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Control and Containment
Common SenseCommon Sense
Solutions

25. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Control and Containment
Common SenseCommon Sense
Solutions

26. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Control and Containment
Common SenseCommon Sense
Solutions
W/W/FSW/W/FS

27. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Control and Containment
Common SenseCommon Sense
Solutions
Inspection

28. Differential PressureDifferential Pressure
GaugeGauge
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Engineering
Helpful
Tools

29. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Engineering
Helpful
Tools

30. SCIENCESCIENCE
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Latin "scientia," meaning knowledge

31. STEEN RESEARCH, LLC
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ScienceScience
BK-BBQBK-BBQ

32. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
GasesGases
ScienceScience

33.  Nitrogen CompoundsNitrogen Compounds
 Sulfur CompoundsSulfur Compounds
 AldehydesAldehydes
 Volatile Fatty AcidsVolatile Fatty Acids
 EstersEsters
 KetonesKetones
 AlcoholsAlcohols
 Oxygen CompoundsOxygen Compounds
 Chlorinated VOCsChlorinated VOCs
 HydrocarbonsHydrocarbons
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GasesGases
ScienceScience
VOCs Detected in
High Intensity Vapors

34. STEEN RESEARCH, LLC
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ScienceScience
Ammonia
Trimethyl Amine
Methyl Pyrazine
Pyrrole
1-ethyl-1H-Pyrrole
Ethyl Pyrazine
Pyrazine
2,6-dimethyl-Pyrazine
1-methyl-1H-Pyrrole
2-methyl-Pyridine
2,5-dimethyl-1H-Pyrrole
3-methyl-Butenenitrile
3-methyl-Pyridine
Gases
Nitrogen Compounds
N,N-dimethyl-Benzamide
5-isopropyl-4-phenyl-3-hydroxy-
1,2,4-Triazole
Indole
Octanenitrile
3-Ethyl-2,5-dimethyl-1H pyrrole
5-butyl-3-methyl-1,2,3-8A-
tetrahydroindolizine
Acetamide
N,N-dibutyl-Formamide
Benzonitrile
2-Methyl-pyrrole

35. STEEN RESEARCH, LLC
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Gases
Hydrogen Sulfide
Dimethyl Trisulfide
Dimethyl Disulfide
Carbonyl Sulfide
Thiophene
methyl-ethyl-Disulfide
Thiirane
Dimethyl Sulf
Methylthio Ethane
Carbon disulfide
2-methyl-Thiophene
3-Phenyl -Thiophene
Benzothiazole
3-(Methylthio)-1-propene
2-methyl-Thiazole
Sulfur Compounds
ScienceScience

36. STEEN RESEARCH, LLC
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Gases
3-methyl-Butanal
2-methyl-Propanal
2-methyl-Butanal
Acetaldehyde
Aldehyde similar to 3-methyl-Butanal
Hexanal
Butanal
Benzaldehyde
Pentanal
Furfural
Heptanal
3-methylthio-Butyraldehyde
Propionaldehyde
Isobutyraldehyde
Isovaleraldehyde
3-Methyl-pentanal
2-methyl-2-Butenal
2-Dodecenal
Nonanal
1-Piperidinecarboxaldehyde
Heptanal
3-methylthio-Butyraldehyde
Propionaldehyde
Isobutyraldehyde
Isovaleraldehyde
3-Methyl-pentanal
Octanal
2-methyl-2-Butenal
2-Dodecenal
Nonanal
1-Piperidinecarboxaldehyde
Octanal
Aldehydes
ScienceScience

37. STEEN RESEARCH, LLC
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Gases
Acetic acid
Propanoic acid
Isobutyric acid
Butyric acid
Isovaleric acid
2-Furancarboxylic acid
Valeric acid
4-Methyl-pentanoic acid
Caproic acid
1,2-Benzenedicarboxylic acid
2-Ethylhexanoic acid
Volatile Fatty Acids
Octanoic acid
Nonanoic acid
4-Carboxamidonicotinic acid
Decanoic acid
Pentadecanoic acid
Thiosulfuric acid
Benzoic acid
(Z)-9-Octadecenoic acid
(Z)-9-Octadecenoic acid
Hexanedioic acid
Heptanoic acid
ScienceScience

38. STEEN RESEARCH, LLC
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Gases
Methyl Acetate
Propyl Acetate
Butyl Acetate
Ethyl Butanoate
Propyl Butanoate
Butyl Butanoate
Methyl Butanoate
4-Hydroxydodecanoic acid lactone
Ethyl 3-phenylpropionate
Esters
ScienceScience

39. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Gases
Acetone
2-Butanone
1-(2-furanyl)-Ethanone
2-Heptanone
Methyl Isobutyl Ketone (MIBK)
2-Pyrrolidinone
3-acetyl-4-hydroxy-2(5H)-Furanone
Piperidinone
1,6-Dioxacyclododecane-7,12-dione
1-Phenyl-ethanone
1-(Methoxy-3-pyranzinyl)-1-ethanone
2-Octanone
3-Hexanone
2-Nonanone
2-Decanone
Ketones
ScienceScience

40. STEEN RESEARCH, LLC
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Gases
Methanol
Ethanol
Furfuryl Alcohol
1-Butanol
2-methyl-1-Propanol
1-Propanol
α,α-Dimethyl
benzenemethanol
1-Heptadecanol
2,5,8,11,14-
Pentaoxahexadecan-16-ol
Methylphloroglucinol
Heptanol
2-Ethyl-hexanol
1-Hexanol
2-Butoxy-Ethanol
2-Furanmethanol
Benzenemethanol
Benzeneethanol
1-Octanol
Alcohols
ScienceScience

41. STEEN RESEARCH, LLC
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Gases
Oxygen Compounds
Furan
2-methyl-Furan
2,5-dimethyl-Furan
Tetrahydrofuran
2-Pentyl-Furan
3-Acetyl-6-methyl-2H-pyran-
2,4(3H)-dione
ScienceScience

42. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Gases
1,1-dichloro-2-Propanone
1-chloro-2-Butanone
Chloromethane
Chloroform (THM1)
Tetrachloroethene (PCE)
Dibromochloromethane (THM3)
Bromodichloromethane (THM2)
Carbon tetrachloride
1,2-Dimethyl-hydrazine dichloride
Chlorinated VOCs
ScienceScience

43. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Gases
2-methyl-Butane
Propylene
Toluene
Heptane
Benzene
Hexane
Ethylbenzene
2-Butene
1-Methyl-2-isopropyl benzene
Naphthalene
Trans-(-)-5-methyl-3-(1-methylethenyl)-cyclohexene
4-Vinyl-2-methoxy-phenol
p-Cresol
Methylnapthalene
Hydrocarbons
Phenol
2-Methyl-decane
2-methyl-1-Propene
Limonene
(1-Methylethenyl)-benzene
9-Octadecyne
Trans-caryophyllene
1,3,5,7-Cyclooctatetraene
Polynuclear Aromatics
ScienceScience

44. Water SolubilityWater Solubility
Compounds Affinity For WaterCompounds Affinity For Water
VolatilityVolatility
Compounds Affinity For AirCompounds Affinity For Air
AdsorptionAdsorption
Compounds Affinity For SolidsCompounds Affinity For Solids
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ScienceScience
Physical Properties
Gases

45. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Gases
ScienceScience
Water Solubility
Temperature Sensitive
Low Temp = High Solubility
Volatility
pH Sensitive
Alkaline pH Sulfur Compounds
Acidic pH Nitrogen Compounds
Neutral pH Oxygenated Compounds

46. STEEN RESEARCH, LLC
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Gases
ScienceScience
AdsorptionAdsorption
Aerosolized Fats Oils Greases,
Solid Particulates and Smoke
Contain:

47. STEEN RESEARCH, LLC
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Gases
pH –Water SolubilitypH –Water Solubility
Hydrogen Sulfide HHydrogen Sulfide H22SS
vsvs
Ammonia NHAmmonia NH33
H2S
NH3
ScienceScience

48. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Liquid AerosolsLiquid Aerosols
ScienceScience

49. STEEN RESEARCH, LLC
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ScienceScience
Liquid AerosolsLiquid Aerosols

50. STEEN RESEARCH, LLC
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ScienceScience
SmokeSmoke

51. STEEN RESEARCH, LLC
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ScienceScience
Solid ParticulateSolid Particulate

52. STEEN RESEARCH, LLC
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ScienceScience
Solid ParticulateSolid Particulate

53. Science
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Odor VOCs Absorbed on ParticulatesOdor VOCs Absorbed on Particulates

54. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
ScienceScience
Electro-Static Charged Particulates
Solid ParticulateSolid Particulate
BDBD

55. STEEN RESEARCH, LLC
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Engineering

56. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Engineering
Engineering is theEngineering is the
Application ofApplication of
ScienceScience
to Solve ato Solve a
Real-World ProblemReal-World Problem

57. New ProcessNew Process
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Engineering

58. New ProcessNew Process
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Engineering

59. STEEN RESEARCH, LLC
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Engineering

60. STEEN RESEARCH, LLC
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Spray Venturi – Alkaline Scrubbing and Acid Scrubbing
Typical System
Engineering

61. STEEN RESEARCH, LLC
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Engineering
Scrubber ChemistriesScrubber Chemistries
 Masking AgentsMasking Agents
 EnzymesEnzymes
 ScavengersScavengers
 Oxidizers (ClOxidizers (Cl22, ClO, ClO2,2, OO3,3, HO)HO)

62. Masking Agents, Enzymes and ScavengersMasking Agents, Enzymes and Scavengers
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Engineering

63. Masking AgentsMasking Agents
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 Adds VOC’sAdds VOC’s
 EnvironmentalEnvironmental
SensitivitySensitivity
 No Feedback ControlNo Feedback Control
Based on LoadingBased on Loading
 High Water UseHigh Water Use
 Bio-FoulingBio-Fouling
Engineering

64. EnzymeEnzyme
withwith
Masking AgentMasking Agent
 Patent TextPatent Text
http://www.google.com/patents/US20120219480http://www.google.com/patents/US20120219480
Minimal Reduction of H2S and NH3 compared to straight water w/o pHMinimal Reduction of H2S and NH3 compared to straight water w/o pH
modificationmodification
 Enzymes - Slow Reaction TimeEnzymes - Slow Reaction Time
 Masking AgentMasking Agent
 VOC GenerationVOC Generation
 FoamingFoaming
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65. TriazineTriazine
 Old Oil Field TechnologyOld Oil Field Technology
 Nitrogen Loading to WWTNitrogen Loading to WWT
 No Loading Feedback ControlNo Loading Feedback Control
 High Water UseHigh Water Use
 Triazine → Thiadiazine, → DithiazineTriazine → Thiadiazine, → Dithiazine
 BioFoulingBioFouling
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Engineering

66. OxidizersOxidizers
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Engineering

67. OHOH the Hydroxyl Radical and the 2the Hydroxyl Radical and the 2ndnd
strongest oxidizer known to man.strongest oxidizer known to man.
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Relative Oxidation Of Reactive Species
Oxidizers

68. Bleach and Chlorine DioxideBleach and Chlorine Dioxide
ClOClO22 Weak OxidizerWeak Oxidizer
 Volatile at low temperatures (Like Bleach which flashes at a lowVolatile at low temperatures (Like Bleach which flashes at a low
temperature, 100 Degrees F, Chlorine dioxide flashes at 110 Degrees F)temperature, 100 Degrees F, Chlorine dioxide flashes at 110 Degrees F)
 When free chlorine interacts with proteins environmentally detrimentalWhen free chlorine interacts with proteins environmentally detrimental
compounds are such ascompounds are such as haloamines, and trihalomethaneshaloamines, and trihalomethanes, THM’s are, THM’s are
produced.produced. (THM’s are toxic and known carcinogens)(THM’s are toxic and known carcinogens)
 Addition of salts to the water systemAddition of salts to the water system
 Has a negative effect on waste waterHas a negative effect on waste water
biological systembiological system
ClO2 Engineering
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69. Bleach and Chlorine DioxideBleach and Chlorine Dioxide
ClOClO22
 Microbial and Disinfection Byproduct Rules Simultaneous ComplianceMicrobial and Disinfection Byproduct Rules Simultaneous Compliance
Guidance Manual (Guidance Manual (http://www.epa.gov/ogwdw/mdbp/simult.pdfhttp://www.epa.gov/ogwdw/mdbp/simult.pdf))
 Volatile at low temperatures (Like Bleach which flashes at a lowVolatile at low temperatures (Like Bleach which flashes at a low
temperature, 100 Degrees F, Chlorine dioxide flashes at 110 Degrees F)temperature, 100 Degrees F, Chlorine dioxide flashes at 110 Degrees F)
 When free chlorine interacts with proteins environmentally detrimentalWhen free chlorine interacts with proteins environmentally detrimental
compounds are such ascompounds are such as haloamines, and trihalomethaneshaloamines, and trihalomethanes, THM’s are, THM’s are
produced.produced. (THM’s are toxic and known carcinogens)(THM’s are toxic and known carcinogens)
 Addition of salts to the water systemAddition of salts to the water system
 Has a negative effect on waste waterHas a negative effect on waste water
biological systembiological system ClO2 Engineering
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70. Purate 2 Part ClO2Purate 2 Part ClO2
 Low pHLow pH
 Insoluble about 110 FInsoluble about 110 F
 Acid Scrubbing onlyAcid Scrubbing only
 Toxic blow down to bio pondsToxic blow down to bio ponds
 Produces CarcinogenicProduces Carcinogenic
CompoundsCompounds THM’sTHM’s
 Extreme Fire HazardExtreme Fire Hazard
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3 Part ClO23 Part ClO2
 Better pH rangeBetter pH range
 Insoluble about 110 FInsoluble about 110 F
 Toxic blow-down to bio pondsToxic blow-down to bio ponds
 Adds Lots of SaltsAdds Lots of Salts
 Produces CarcinogenicProduces Carcinogenic
CompoundsCompounds THM’sTHM’s
 Extreme Fire HazardExtreme Fire Hazard

71. STEEN RESEARCH, LLC
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Engineering
Ozone OOzone O33
Triatomic OxygenTriatomic Oxygen
 Low Solubility in WaterLow Solubility in Water
 Solubility Decreases with IncreasingSolubility Decreases with Increasing
TemperatureTemperature
 Solubility Decreases with IncreasingSolubility Decreases with Increasing
pHpH
 Increases VOC’s in air scrubberIncreases VOC’s in air scrubber
Gold Kist Ball Ground, GA Case studyGold Kist Ball Ground, GA Case study
O3

72. STEEN RESEARCH, LLC
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Engineering
Ozone Solubility vs. TempOzone Solubility vs. Temp
The chart above shows ozone solubility vs. temperature for different ozone
concentrations. The water pressure is at atmospheric (0 PSIG).
(35 Degrees C = 95 Degrees F) Engineering

73. STEEN RESEARCH, LLC
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Engineering
Ozone Solubility vs. pHOzone Solubility vs. pH
Engineering

74. STEEN RESEARCH, LLC
Innovations in Chemistry and Engineering
Engineering
Engineering
OZONE

75. OZONE
 Toxicity, CDC, OSA (Toxicity, CDC, OSA (Known CarcinogenKnown Carcinogen))
Does Ozone Cause Precancerous Changes in Cells?Does Ozone Cause Precancerous Changes in Cells?
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstractDetail/abstract/2314http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstractDetail/abstract/2314
OzoneOzone
https://www.osha.gov/dts/chemicalsampling/data/CH_259300.htmlhttps://www.osha.gov/dts/chemicalsampling/data/CH_259300.html
Health EffectsHealth Effects
http://www.epa.gov/glo/health.htmlhttp://www.epa.gov/glo/health.html
 Destroys Packing And PlasticsDestroys Packing And Plastics
 Low SolubilityLow Solubility
 Low pH Soluble OnlyLow pH Soluble Only
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Engineering

76. Fenton Radox ReactionFenton Radox Reaction
Hydroxyl Radical the second strongest oxidizer know to man.
Secondary Fenton chemistry reaction is the generation of peroxide free radical.
FeFe2+2+
+ H+ H22OO22 → Fe→ Fe3+3+
+ OH+ OH −−
++ OHOH
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Fe3+
+ H2O2 => Fe2+
+ H+
+ HOO0
The peroxide molecule formed in this reaction (HO2
0
) is a powerful
peroxide free radical which can also oxidize organic compounds.
Engineering

77. Characteristic Radox ReactionCharacteristic Radox Reaction
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 Highly ReactiveHighly Reactive
 Destroys All Odor Compounds, VOC’sDestroys All Odor Compounds, VOC’s
 Effective At Any pHEffective At Any pH
 Very High Solubility in Scrubber WaterVery High Solubility in Scrubber Water
 Not Toxic or CarcinogenicNot Toxic or Carcinogenic
 Effective at All TemperaturesEffective at All Temperatures
 No BioFouling, Keeps The Scrubber CleanNo BioFouling, Keeps The Scrubber Clean
 No Fire RiskNo Fire RiskEngineering

78. Radox Full Scale TestRadox Full Scale Test
Case Study 1:Case Study 1:
High Intensity ScrubberHigh Intensity Scrubber
Scrubber pulled from the
cooker and presses.
Non-Methane Organic
Carbon (NMOC)
ermined using
US EPA Method 25A
Scrubber efficiency needed
to be better then 80 percent
removal.
Three continuous samples,
each 45 minutes in duration.
RUN 1 RUN 2 RUN 3 Average
Inlet
Flow Rate,
dsfm 523 519 520 521
acfm 565 559 560 561
Total Non-Methane Hydrocarbon,
ppm, as C1 1131 1035 1126 1097
lb/hr, as CH4 1.474 1.338 1.454 1.422
Outlet
Flow Rate,
dsfm 845 845 845 845
acfm 906 905 906 906
Total Non-Methane Hydrocarbon,
ppm, as C1 39.5 41.4 36.6 39.1
lb/hr, as CH4 0.0832 0.0872 0.0771 0.0825
DESTRUCTION EFFICIENCY, % 94.4 93.5 94.7 94.2
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79. Radox USDA STUDYRadox USDA STUDY
Case Study 2:Case Study 2:
Feather Dryer AirFeather Dryer Air
ScrubberScrubber
100 K SCFM Packed Bed Air
Scrubber
USDA Compared ClO2 to RADOX-
23 Fenton Treatment System
Gas chromatography ("GC") and
mass spectrometry ("MS") was
used to determine destruction
efficiency
Results From USDA Study:Results From USDA Study:
“Samples from Radox-treated air streams had (1) 42 % higher
concentration of carbon dioxide (CO2); (2) 69 % lower
concentrations of the highly aldehyde compounds, and (3) 52 %
lower total VOC when compared to untreated, or ClO2-treated
samples.”
“The RADOX treatment reduced the total perceived odor intensity
by 74 while the ClO2 treatment did not significantly alter the odor
intensity.“
"The RADOX catalyst was shown to be significantly more
effective than chlorine dioxide (ClO2) for reducing the
concentration of malodorous VOC and total VOC emitted from
poultry rendering.
“The concentration of highly malodorous aldehyde compounds,
which were responsible for a majority of the poultry rendering
odor, were not changed by the ClO2 treatment.”
“Additionally, there was a 5-fold higher concentration of indole in
the ClO2 samples when compared to RADOX-treated samples.”
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Engineering

80. Sulfuric acid
tank
Acid Pump
Precursor “B”
Tote
Make-Down
System
Soap
Pump
To Each
Scrubber
pH probe
Application of Radox-23 Fenton System
Red Control ValveRed Control Valve
To Scrubber Pump
suction
Pre “B” pump
Red Control ValveRed Control Valve
SC-
211
Drum
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Acid Pre-B and Soap
Make-Down

81. Radox-23 Fenton System AppliedRadox-23 Fenton System Applied
Multiple ScrubbersMultiple Scrubbers
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Acid, Pre-B & Soap
Applied

82. Radox-23 Fenton System AppliedRadox-23 Fenton System Applied
Multiple ScrubbersMultiple Scrubbers
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Engineering
Pre-A
Make-Down

83. MonitoringMonitoring
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84. STEEN RESEARCH, LLC
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Engineering
Helpful
Tools
Detection Tubes
GasTec/Drager/Rae
Multi Gas Meter

85. Question and AnswersQuestion and Answers
“Yes …I believe there’s a question there in the back.”
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