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Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Pureach Tech (Beijing) Ltd.
2017
®
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Established in 2007.
Website : www.pureach.com
Developing and manufacturing filter elements, housings and purification device
with resin columns for multiple applications.
6,100 m2 plant facility with 600 m2 Class 10,000 Clean Room and 3,200 m2
Environment Control Room for filter elements manufacturing and inspecting.
Professional production lines, inspection equipments and Laboratory.
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Clean Room
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Environment Control Room
Laboratory
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
In August 2010, Pureach signed an official agreement
with Pall Corporation (Pall China) as an ODM filter supplier.
In April 2015, terminated an official agreement with Pall Corporation (Pall China)
as an ODM filter supplier.
Number of Employees : 101
ISO9001 / 14001 and OHSAS 18001
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
CHEMICALS WATER PROCESSING POWER GENERATION FOOD & BEVERAGE ELECTRONICS
Developing & Manufacturing The Best Quality & Price Compatible
filter elements, housing and purification devices for
Electronics, Water Processing, Food & Beverage,
Chemicals, Power Generation and Industrial Hydraulic
Applications.
• Provide The Best Quality and Price Compatible Filters
• Provide the Best Filtration Services
• Provide Customized Solution
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
• Filter Products :
PP, GF, PES, PTEF Pleated Filter Cartridges and Capsules
Metal Filters and Resin Column Purification Filter Device
• Filter Media, Support and Drain :
Using World Best Media, Support and Drain Manufacturers’ Materials from Europe,
US and Asia.
100% In House Integrity Test for Membrane Cartridges.
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Products
- MicroPES Pleated PES filter cartridges 10 ~ 40” length
- MicroPP Pleated PP filter cartridges 10 ~ 40” length
- eFlon Pleated hydrophilic or hydrophobic PTFE filter cartridges 5 ~ 40” length
- Padclean Pleated PP/PES/PTFE filter cartridges (for Flat Panel Display)
- Inkleen Multi-series Capsule filters (for Ink Printing & other Graphic Arts)
- eCLEAN Deep Melt Blown PP filter cartridges 10 ~ 50” length
- RTM-HF High Flow filter cartridges Equivalent of 3M HF 40 ~ 60” length
- RHF High Flow filter cartridges Equivalent of Parker HF 40” length
- eHF High Flow filter cartridges Equivalent of Pall UHF 20 ~ 60” length
- Resin Columns with various resins for different application
- RP Hydraulic/Oil filters Equivalent of Hydac and Pall filter elements
- Oil Purifiers AP, NP, CP, VP, EP series purifiers, and filling cart
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Oil Purifiers
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Electronics Grade Filter
- MicroPP, MicroPES and eFlon series / Electronics Grade.
- Padclean series / Flat Panel Display Application.
- ISO9001 / ISO14001 / OHSAS18001 Production and QC program.
- Controlled Incoming Material Inspection for Particles and Silicon Oil.
- DI Water Flushing /18MΩ
- Manufacturing, Inspection and Packing in the Class 10,000 Clean Room.
Ultrasonic Cleaning / Element Hexane Wiping & DI Flushing / O-ring DI Water Flushing
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Filter Medium
Pores
Filtration
The removal of contaminant from a fluid (liquid or gas) stream
through the use of a porous medium
Clean Fluid
(Effluent, Downstream)
Contaminated Fluid
Influent, Upstream
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Relative Sizes of Small Particles
8.0
40
Human hair diameter
Smallest visible particle
Ragweed Pollen
Red Blood Cell
Yeasts and fungi 6.0
100 µm
80
60
20
10
5.0
Serratia marcescens
Brevundimonas diminuta 0.4
3.0
2.0
1.0
0.8
0.6
0.5
0.3
4.0 µm
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Relative Sizes of Small Particles
Large Siliceous
Particle (20 µm)
Pencil Dot (40 µm)
Red Blood Cell
(7m) Yeast Cell (3 µm)
Typical Bacterium
(0.2m)
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Function of a Filter
The function of a filter is to remove contamination from a fluid
(liquid or gas) in order to achieve a required level of fluid
cleanliness.
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Function of a Filter
Filters are often thought of as a simple screen or sieve.
Filtration/Separation being achieved on a single plane.
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Function of a Filter Actually, Pall manufactured filter media has depth. This results in a
“Tortuous Path” which aids in contaminant removal.
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Function of a Filter The “Tortuous Path” can be found in:
“Cast Membranes” Or “Fibrous Structures”
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Three Mechanisms of Filtration
Direct Interception
Inertial Impaction
Diffusional Interception
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Summary of Mechanisms of Filtration
Direct Interception
Inertial Impaction
Diffusional Interception
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Adsorption/Zeta Potential
Bacteria
Mycoplasma
Viruses
Yeasts
Most particles in filtration are negatively charged such as:
Siliceous Particles
Bacterial Endotoxins (Pyrogens)
Protein Molecules
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Zeta Potential
When in contact with the filter medium the particle will be retained by
attractive forces
Negatively
Charged
Contaminant
Aqueous
Liquid
Positively
Charged
Filter
Medium
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Mechanisms of Filtration and Their Efficiencies
0.01 0.1 1 10 100 Particle Diameter (µm)
50
60
70
80
90
100
Eff
icie
nc
y (
%)
0.3
Direct Interception
Diffusional
Interception
Inertial
Impaction
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Surface Filter Media
Depth Filter Media
Filter Media Types
Generally, filter media can be divided into two categories:
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Surface Media
All pores rest on a single plane
Depend upon direct interception to trap particles
Strictest Definition:
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Depth Media
A pure depth filter catches contaminant within the internal
structure of the medium. Pores are distributed throughout the
thickness of the medium.
Alternate flow paths yield higher dirt holding capacity.
Strictest Definition:
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Compatibility
• Fluid will not react with filter materials, long or short
term
- Filter materials include
• Medium
• Hardware
• O-rings
• Immediate and long term degradation
• Temperature considerations (high temperature)
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Membrane Compatibility
• PTFE - (CF2-CF2)n
• PVDF - (CH2-CF2)n
• PES - [O-Ø -SO2-Ø -O-Ø -SO2-Ø ]n
• PS - [O-Ø -C(CH3)2- Ø -O- Ø -SO2- Ø ]n
• Polyethylene - (CH2-CH2)n
• Nylon 6,6 - [NH-(CH2)6-NH-CO-(CH2)4-CO] n
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Hardware/Support Compatibility
• PFA - [CF(CF3)-CF2(CF2-CF2)m]n
• PS - [O-Ø -C(CH3)2- Ø -O- Ø -SO2- Ø ]n
• Polyethylene - (CH2-CH2)n
• Polypropylene - [CH2-CH(CH3)]n
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Filter Manufacturing Process
Raw Material Staging and Q.C Verification Pack Corrugation Pack Trimming Pack Side-Sealing Core and Sleeve Assembly End Capping
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Support and Drainage Layers Single Layer Membrane
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Filter Media Design & Features
Pore Design
Uniform or non-uniform
Fixed or non-fixed
Filter Area
Differential Pressure
Void Volume
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Uniform Pore Size
• All pores are the same size
• Can catch particles smaller than
the pore size due to bridging
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Pore Size Distribution
• Pore size distribution
dictates filter efficiency for
a variety of different sized
contaminants.
• Pore size distribution is
designed for the filtration
application. Pore Size
# o
f P
ore
s
A
B C
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
® Media Migration / Non-Fixed Pore
• Filter medium break off
• Pass downstream
• Contaminating the effluent
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
® Channeling / Non-Fixed Pore
Filter media has a few oversized pores or a wider pore.
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Fixed Pore
• Pore size does not change during the life of filter
service
• Not be prone to unloading, media migration or
channeling
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Fixed Pore vs. Non-Fixed Pore
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Life Time
• Surface Area
• Delta P
• Void Volume
• Wettability
• Pre Wetting
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Pleated Design Increases Filter Area
Approx. 5 to 13 Times
D = 2 ¾” D = 2 ¾”
10" 10"
A = Filter Area
T = Thickness of Filter Medium
A = 0.6 ft2 A2= 3-8ft2
T 1
T 2
Pleated Design
Depth vs. Pleated Design
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
5 pores plugged
5 pores open
P = 1 psid 5 pores plugged
15 pores open
P = 1/3 psid
10 pores
20 pores
Example : Doubling the surface area
• To reach P = 1 psid
• Need to plug 15 pores
• Life would increase
•three times
Surface Area
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Example : Doubling the surface area
5 pores plugged 5 pores open P = 1 psid Time = 1
5 pores plugged 15 pores open P = 1/3 psid Time = 1
• To reach P = 1 psid • Need to plug 15 pores • Time = 3
Doubling surface area will yield at least two times
more and as much as four times more.
Surface Area
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Differential Pressure
Terminology
Differential Pressure The difference in pressure
(Pressure Drop P) between the upstream and
downstream of a filter
Clean P The differential pressure at
start up before filter has
collected contaminant
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
P
• Created by resistance to flow
• In a clean filter, by the pores
Differential Pressure
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Void Volume
Open area in the filter / Porosity
Increase in void volume will
• lower the flow velocity
• lower the P
• increase the filter service life
Pore
Fiber
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
® Fiber Diameter for
Void Volume and Dirt Capacity
Assuming constant pore size, as the fiber diameter decreases, the void volume
increases
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Filter Medium / Wettability
Surface Tension of Liquid vs.
Critical Surface Tension of Filter Medium
90
80
70
60
50
40
30
20
10
18.5 PTFE Material
31 PTFE Medium
36 P.P. 34 PE Medium
60 PES
> 95 Hydrophilic PVDF for BOE
dynes/cm
26 IPA
32 EGMEA
41 NMP
50 HNO3 (70%)
55 H2SO4 (98%)
66 HCl 70 TMAH (5%) 72 Water
> 85 BOE
> 72 Hydrophilic PES and PVDF
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
• 60/40 IPA : Below surface tension required
• 60/40 IPA : Faster rinse time
Pre Wetting
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Removal Rating
• Removal rating of a filter : The smallest size particle that the filter
will remove.
• Most gas filters have a particle removal rating of 0.003m and
0.003m is the detection limit of CNC gas particle counters.
Performance
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Filter Rating Systems
• Nominal Ratings
• Absolute Ratings
• Beta Efficiency Ratings
• Transmission Efficiency Ratings
• Titre Reduction
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Nominal Ratings
• Arbitrary micron rating assigned by manufacturer
• Weight percentage removal
• Non-fixed pore construction
• Variable, non-reproducible fluid quality
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Typical Nominal Rating - 1µm Filter
OUTLET CONTAMINANT
GRAMS
10
10
5
0
25
MICRON
1 - 5
5 - 10
10 - 20
>20
INLET CONTAMINANT
MICRON
1 - 5
5 - 10
10 - 20
>20
GRAMS
10
20
40
30
100 Total Total
Nominal Rating: 75% efficient for 1 micron and larger
particles
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Absolute Rating
• The diameter of the largest hard spherical particle
that will pass through a filter under specified testing
conditions.
• It is an indication of the largest opening in the filter.
• Useful for membrane or surface filters.
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Beta Efficiency Ratings
• A particulate challenge test for efficiency using particle
counting equipment.
• Challenge contaminants include siliceous test dusts, latex
spheres, metal oxides and customer-specific contaminants.
• Useful test method for industrial filters.
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Beta Rating System
ß is the ratio of the number of particles by count greater than a
given size in the influent compared to those of the same size or
larger in the effluent.
Number of particles > x IN
Number of particles > x OUT ß x =
% Removal Efficiency = ß x - 1
ß x x 100
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Beta Rating Example - Typical Beta Test Results for 2 µm
Filter (ß 2 = 5000)
# of Particles/ml
Influent
# of Particles/ml
Effluent
Beta Ratio b
% Removal Efficiency
100,000 > 2 µm 20 > 2 µm ß 2.0 = 5,000 99.98%
120,000 > 1.5 µm 120 > 1.5 µm 99.9%
150,000 > 1.0 µm 1500 > 1.0 µm 99%
200,000 > 0.5 µm 20,000 > 0.5 µm 90%
ß 1.5 = 1,000
ß 1.0 = 100
ß 0.5 = 10
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Beta Values in Use ß
6 = = 50
5,000 100
Flow
100 Particles
1 Particle
5,000 - 6µm Particles
ß 6
= = 5,000 5,000
1
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Titre Reduction (TR)
TR = 106/101 = 105 or 99.999% Efficiency
101 Organisms per
Unit Volume
106 Organisms per
Unit Volume
Influent Effluent
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Cost of Ownership / CoO
PP Media 60 Inch eHF Cartridge
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Conventional
Pressure drop factors
• Element Orifice
• Filter Media
• Housing
eHF
• Element Orifice
• Filter Media
• Housing
Conventional
eHF
Cost of Ownership / CoO
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Conventional
24 Pcs of 10” elements
Huge waste elements volume
Long down time for element
replacement
eHF
Only 1 element / 60“
Small waste elements volume
Short down time for element
replacement
Conventional
eHF
Cost of Ownership / CoO
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
Conventional
eHF
Flow direction / Out to In
Contaminants remain at
upstream side
Flow direction / In to Out
Contaminants are trap
Inside the filter
Cost of Ownership / CoO
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
• Reduce Number of Filter Cartridges
• Extend Filter Service Life Time
• Total Running Cost Reduction
• Save Line Down Time / Increase the Yield
• Waste Reduction / Save Waste Treatment Cost
Cost of Ownership / CoO
Pureach Tech (Beijing) Ltd. We do Pure…SM
PUREACH Filtration & Purification
®
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