GEBEL & BIOREM BTF & BF BIOLOGICAL ODOUR MANAGEMENT

Solutions from the water & wastewater experts
Biological Odour Management
02 8705 0205 | www.gebel.com.au

T 02 8705 0205 | E sales@gebel.com.au www.gebel.com.au
Agenda
• Nature and Detection of Odours
• Conventional Treatments
• Biological Treatments of
Odour-BF and BTF
• Biotechnology Advancements in
Odour Control
• Current Performance Capabilities

About Biorem
• In business for 18 years
• Offices in Canada, US and China
• 60 employees – dedicated to air
emissions
• 650 Systems Installed
(250/400 large/small)
• North American leader in:
- Applied technology
- Continued research
- Installed base

Nth America Large Systems

Worldwide Installations

Odour Other Emissions
• Odour Sources
- Hydrogen Sulphide
- Organic Sulphur Compounds
DMS, DMDS, MM, other
- VOCs
Amines, BTEX, Ketones, Aldehydes, Aliphatics

Detection Removal
Contaminant
Nominal
Range
Detec0on
Limit
Treatment

Required

H2S
2-‐500
ppm
1
ppm
0.1
ppm

OSC
(DMS,DMDS,MM)
0.05
–
5.0
ppm
.01
ppm
0.05
ppm

VOC
1-‐20
ppm
Various
ND

Odour
1000
–
20,000
D/T
1
D/T
300
D/T

Analytical Methods
Compound
Method

H2S
Odalog,
Jerome
Meter,
GC/SCD

OSC
GC/SCD

VOC
GC,
GCMS

Ammonia
Draeger,
GC

Odour
Dynamic
Olfactrometry
Panel
(D/T
or
OU)

Treatment Options
Advantages
Disadvantages

Chemical
Scrubbers
Low
Capital
Cost

Well
Established

Opera8ng
Cost

Hazard

Corrosive,
maintenance

Ac8vated
Carbon
Small
Footprint

Low
residual
odour

High
opera8ng
cost

Limited
to
low
level
sources

Biotrickling
Filter
(Single
or
double

stage)

Small
footprint

Low
opera8ng
cost

Residual
odour

Conven8onal
Bioﬁlter
Lowest
opera8ng
cost

Good
performance

Large
footprint

Media
life

Process
control

Biotrickling/Carbon
Suitable
for
all
condi8ons

Good
performance

Cost
of
premature
carbon

exhaus8on

Biotrickling/Advanced
Bioﬁlter
Suitable
for
all
condi8ons

Excellent
performance

Small
footprint

Low
opera8ng
cost

Long
life

A History of People Facilities for RD
• RD Department has five
professionals and technicians.
• We have media development
facilities and numerous BF and
BTF pilots
• These are supported by GC,
micro, and wet chemistry
laboratories

The 1st Generation Biofilter
(Organic Media)
Yesterdays Technology!
Lateral
Piping
Air
Flow

Organic Media Challenges
• 60 Seconds EBRT means huge
space requirement
• Organic media can quickly
decompose leading to:
- Compaction, shortened resi-
dence time, odor breakthrough
- Add more media, increases
weight and compaction
- Poor moisture control, leading
to bed dry out or patchiness
- Channeling and breakthrough
- High maintenance – media
“turning”
- Faster deterioration, odor
breakthrough, failure
• High maintenance, frequent
media changes/turning etc.
• Poor performance- odour
complaints

FirstPERMANENTInorganicMediain1999
• Long lasting (10 Year)
• Low pressure drop (1”-2”)
• High Surface Area
• No Decomposition
• No Degradation
• Low Volume (1/4!)
• Small Footprint (1/6)
• No Compaction
• Consistent Performance
• Hydrophilic Mineral Core
• Hydrophobic Components
• Buffers built in!
• Good Biological Env’t
• pH Neutral
• Extended Warrantee
• Performance Guarantee

Centre Street WWTP Mt. Pleasant, SC in May 2000

Jefferson CountyBirmingham, AL 50,000 m3
/hr

BIOFILTAIRTM
System
Ground level
(15,000 to 800,000 m3
/hr)
Clean Air
Air flow
Strong slotted
sub floor
H2
S resistant/epoxy
coated concrete basin
BIOSORBENSTM
inorganic media
Gate entrance

Missouri River WWTP

Rendering Plant Odour Control
400,000 m3
/hr Covered Inorganic Media Biofilter!

Biosorbens Permanent Media
Loudon County, VA (July 2007)
(15,000 to 800,000 m3
/hr)

BIOSORBENS Odor Removal
Location Ocean City,
MD
Little Blue
Valley, MO
Omaha, NE
Flow (m3/hr) 5,000 30,000 35,000
H2S (ppm) 2-10 10-30 10-100
EBRT (sec) 30 30 45
Inlet o/u 14,000 2,600 4,100
Outlet o/u 620 112 110
% Removal 95.6 95.7 96.5

% Odor Removal Efficiency
Prediction of Odor Destruction Efficiency
As a Function of EBRT(s)
60
65
70
75
80
85
90
95
100
20 25 30 35 40 45 50 55 60 65 70
Residence Time (s)
DestructionEfficiency(%)
Model Predictions Pilot data

Development-XLD Media
FEATURES
• Specific to RSC and odor removal
• 95% Odour Removal in 20 sec EBRT
• Low Density and Pressure Drop
• Uniform size-good air flow distribution

Biofilter Media for Removal
Species Inlet
Mid-‐Outlet

(15
Sec
EBRT)
Final
Outlet

(30
Sec
EBRT)

Parts
Per
Million Concentra/on Concentra/on %
Removal Concentra/on %
Removal
H2S 2.6 0.02 99.2% ND 99%
MM

0.26 ND 99% ND 99%
DMS
0.17 0.08 52.5% ND 99%
DMDS
0.05 0.03 39.50% ND 99%
Total
RSC
0.48 0.11 77.1% ND 99%
Odour
(D/T) 15360 974 93.7% 116 99.2%
RSC at low EBRT

Engineered Biofilter Media for High Odour Removal
BIOREM XLD Inorganic

XLD 20 Sec Removal
Plant
1 Plant
2

Inlet Outlet

% Inlet Outlet

%
Odour 34,470

912

97% 30,544
1499

95%
H2S 12
ppm .01 99% 2.5
ppm .01 99%
TRS 330
ppb
10 99% 1310
ppb 10 99%

XLD Engineered Media
Odor Models of Engineered Permanent Medias
XLD
BIOSORBENS®
60%
70%
80%
90%
100%
0 5 10 15 20 25 30 35 40 45 50 55 60
EBRT (sec)
RemovalEfficiency

Biofilter Odour Removal
OLD
90% in 60-90 seconds
1m Bed Depth
50 m3
/hr/sq m1
Odour Removal
NEW
95% in 20 seconds
2 x 2m ft bed depth
600 m3
/hr/sq m
Horizontal Flow
Odour, RSC VOC Removal
Design Criteria

MYTILUS Biotrickling Filter
Recirculation
Air Outlet
Air Inlet
Make-Up
BTF
Bleed
off

Biotrickling Filter Process Control
• Recirculation Rate 30 lpm/sq m
• Treated Effluent Source Water
• Nutrient only with Potable Water
• Residual Chlorine up to 1-2 ppm
• pH range of 1.5-2.0
• pH Control by Bleed Rate

Advances in Biotrickling Technology
1. Media Selection
- Surface Area/Void Volume Relationship
2. Combined Treatment Technology
- Multi-layer media design
- Combinations with carbon and biofilters
3. High H2S Removal for Biogas
- Up to 30,000 ppm
- Oxygen deficient environment
4. VOC Design
- Biomass management with tubular media
- Sequential treatment with regenerated carbon

MYTILUS Biotrickling Filter
Recirculation
Air Outlet
Irrigation
Air Inlet
Make-Up
BTF
Bleed
off

Typical BTF
Mytilus Biotrickling Filter
Corpus Christi, TX
Application:
Headworks
Technology:
Biotrickling Filter
Forced-draft, upflow
EBRT 15s
OdourIN
: 13,679 D/T
OdourOUT
: 1,071 D/T
(92.2%)*
BIOREM Technologies IncBIOREM Technologies Inc
MytilusMytilus
Biotrickling FilterBiotrickling Filter
Corpus Christi, TXCorpus Christi, TX
Application:Application:
HeadworksHeadworks
Technology:Technology:
Biotrickling FilterBiotrickling Filter
ForcedForced--draft,draft, UpflowUpflow
EBRTEBRT 15s15s
ODOURODOURININ:: 13,679 D/T13,679 D/T
ODOURODOUROUTOUT:: 1,071 D/T1,071 D/T
((92.2%)*92.2%)*

Corpus Christi H2S Removal
BIOREM Technologies IncBIOREM Technologies Inc
S Y S TE M RE %
INL E T
C ON CE NT RAT IO N
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
N ov/9/07 N ov/16/07 No v/2 3/0 7 Nov/30/07
RemovalEfficiency(%)
0
30
60
90
120
150
180
210
240
270
300
InletH
2
SConcentration(PPM)
Corpus Christi H2S RemovalCorpus Christi H2S Removal

Removal vs Residence Time
50
ppm
100
ppm
150
ppm
200
ppm
75
80
85
90
95
100
6 7 8 9 10 11 12 13 14 15
EBRT (sec)
Removalefficiency(%)

The Final Steps
• Combined BTF/BF Technologies
• Establish VOC removal Characteristics
• Provide improved total organic (VOC) removal
• Substitute Carbon as BTF polisher
• Novel system designs catered to site needs

BIOREM M-1:Combined BF/BTF in 2007

LACSD - VOC Removal with XLD
%
Removal
Two
Stage
BTF
BTF/
XLD
BF

VOC
82
90

Toluene
88
97

Methyl
Mercaptan
88
94

Dimethyl
Sulphide
50
93

Odour
91
94

XLD Biofilter Versus Carbon
%
Removal
BTF/Carbon
BTF/XLD
Bioﬁlter

Toluene
94
97

Methyl
Mercaptan
98
94

Dimethyl
Sulphide
18
93

Odour
90
94

Low Footprint-High Odour Removal- Low Operating Cost

Unity Horizontal X-Flow BTF/BF

Englewood, Florida

Biological Air treatment Systems

Escondido, CA100 CFM

The Final Result
• 15 years of Technology Development has led to
- Permanent biofilter media
- EBRT reduction to 20 sec for 95% odour removal combined BF and
BTF systems that provide 95% odour removal in 30 seconds under
all operating conditions with no consumption of replacement media.
- Low level VOC removal
• Systems that are compact and vertical with small footprint and can be
below or above grade

Thank you for your time!
ANY QUESTIONS?
02 8705 0205 | www.gebel.com.au

GEBEL & BIOREM BTF & BF BIOLOGICAL ODOUR MANAGEMENT

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