Performance Separations Products & Applications

Performance Separations™

www.chemflo.com

Products & ApplicationsProducts &

Applications

CHEMFLO Products

• High Capacity Filters– Absolute-rated Filters

• 0.2 µm to 100 µm

– HF Series for High Flow Rates• High Capacity Coalescers

– Liquid/Liquid Coalescers– Liquid/Gas Coalescers

• Vessels and Filtration Systems– ASME Code, 3-around to large

systems

Pleated Filters

• Duraflo SeriesPleated Surface Filters for removing hard particles– HF Duraflo– HV Duraflo– HT Duraflo– HP Duraflo

• Depthflo SeriesPleated Depth Filters for removing gels and soft particles– HF Depthflo– HV Depthflo– HT Depthflo– HP Depthflo

•HF Series for High Flow Rate Applications•HT Series for High Temperature•HV Series for High Viscosity•HP Series for High Purity Applications

Melt Blown Filters

Quad ProTM

MB Pro Coreless 6” OD

MB Pro 2.5” OD

MB Pro Oil Adsorber 6” OD

HF SERIES High Flow Filter Systems

Proprietary HF Depthflo Filter Medias developed and tested for increased dirt holding at high flux rates.

Elements Available in 40”, 44”, 60” and 80” lengths.

Fewer Elements = Lower Costs

Each HF660 element replaces approximately 25 meltblownsEach HF660 element replaces approximately 35 stringwounds

HF Series Filtration Systems

• Smaller Vessels = Capital Savings• Few Elements = Operating Savings

HF Series Systems

• Rental vessels available

• With ASME Code Stamp

• Up to ANSI 900 (2220 psi)

• 24” & 36” diameter horizontal vessels are most common

• Economicalsingle elementvessels available Vertical

HORIZONTAL RENTAL VESSELS, ANSI 600

SINGLE ELEMENT RENTAL VESSELS, 275 psig

High Capacity Coalescers for Process Applications

Chemflo Liquid/Liquid Coalescers

• High Capacity Pleated Coalescers• Coalescers “Optimized” for

Applications• Most Common End Cap Styles• Multi-stage Vessels • Proprietary Medias

– Polyester– Nylon 6,6– PPS (polyphenaline sulfide)– Binderless Microfiberglass and Epoxy

Binder Microfiberglass

Separators

• Separators repel water droplets to guard the outlet

• To see if a separator has been disarmed, run a warm water test

Natural Gas Coalescers – Cartridge Style

• “Filter-separators”–usually 1um –Outside-in flow–Mesh 2nd Stage

• “Coalescers”–usually 0.3um–Inside-out flow–Vane or Mesh 1st Stage

Chemflo Liquid/Gas Coalescers

Efficiency:• 0.3µm and 0.1µm

Coalescers for: • Natural Gas• Industrial Gas• Pneumatic Air Gas Transmission• Refineries and Petrochemicals• Severe service• Sour gas• Amine Carry-over• Heavy dirt loads

Filter & Coalescer Vessels

Why Partner with Chemflo?

• High Capacity Products• Optimized Products• Cost Savings and

Performance• High Performance

Separations• Quality Control

Applications

• High Flow Applications• Coalescer Applications

– liquid-liquid– liquid-gas

• Refinery Applications• Petrochemical Applications

HF Series – High Flow Applications

HF Series Filtration Systems• Hydrocarbons at Refineries• Pipeline Pigging• Amine at Refineries• R. O. Pre-filters/Desalination• Produced Water• Salt Dome Leaching• Removal of “Black Dust” in gas

What to look for:• Flow rates over 1000 lpm• Efficiency needs

Liquid-liquid Coalescer Applications

• Remove water from hydrocarbon fuels such as gasoline, diesel, low sulfur diesel, kerosene/jet fuel, bio-diesel and lube oils

• Separate insoluble process fluids such as acids, aromatics, and esters

• Remove carried-over caustic, glycol, amine in hydrocarbon streams

• Remove hydrocarbons/oil from cooling tower water or waste water

• Protecting catalysts, packing or trays

Liquid-Gas Coalescer Applications

• 0.3um “Coalescers” protecting high tolerance equipment such as turbines, high effiency compressors, fuel gas burner nozzles, gas separation membranes, and absorbent beds

• 0.3um “Coalescers” and 1um “Filter-Separators” remove compressor lube oil, water and hydrocarbon/condensate aerosols from natural gas and process gas

• Carried-over glycol after dryers and/or amine after amine sweetening

Refinery Applications• Common Refinery Applications – Chemflo’s high

performance products are excellent for:– Load Out Rack– Tank Farms– Glycol– Natural Gas Filter-Separators

• More difficult Refinery Applications – Chemflo also has products for refinery applications where unique products are required:– Lean and Rich Amines– Caustic Treating– Alkylate– Reformate– Low Sulfur Diesel

Refinery Applications• Common Refinery Applications – Chemflo’s

high performance products are excellent for:– Load Out Rack– Tank Farms– Glycol– Natural Gas Filter-Separators

• More difficult Refinery Applications – Chemflo also has products for applications where common products fail:– Lean and Rich Amines– Caustic Treating– Alkylate– Reformate– Low Sulfur Diesel

Sweetening

Sweeting is the removal of sufur acid compounds found in hydrocarbons often called:

• Hydrogen Sulfide (H2S) or

• MercaptansThe main types of process equipment in

sweetening systems are called:• Amine• Hydrotreaters• Caustic Treatment (Merox Process)• Sulfur Recovery Units (Claus Unit)

Amine Sweetening

• Amine Systems – sweeten natural gas and remove CO2

• Amine Systems are a closed loop system so contaminants build up over time in the system

• Main contaminants over time are iron sulfides• Improved filtration can cause fewer upsets,

less amine losses and lower amine concentrations

• CHEMFLO recommends 100% Filtration at 10um absolute or tighter

Amine Sweetening

• “Rich Amine” – after the contactor –can have a hydrocarbon content to high for polypropylene

• “Lean Amine” – after the exchanger – can have temperatures too high for polypropylene

• Common Types of Ethanolamine's– Mono-ethanolamine (MEA), Di-ethanolamine

(DEA), Mono-diethanolamine (MDEA)

• Other types of solvents (less common)– Selexol, Rectisol, Purisol

Hydrotreater - naphtha

HYDROTREATING

naphtha FROM DISTILLATION

ISOMERIZATION

CATALYTIC REFORMING

Fuel Gas

Naphthas have an aromatic content that dissolves many common filter and coalescer materials over time

Caustic Treating - Merox Process

The Merox Process is a common Caustic sweetening process developed by UOP

Caustic Treating• Sodium Hydroxide sweetens liquid hydrocarbons• Caustic is most commonly used to sweeten:

– Kerosene (jet fuel)– LPGs– Light Naphthas (commonly used in ethylene production)

• Caustic reacts with many common filter materials including polyester, phenolics, glass fiber, urethane adhesives, aluminum and carbon steel.

• Coalescers remove carried over caustic by removing water downstream of caustic washes

• Caustic lowers interfacial tensions substantially causing emulsions that are difficult to remove

Catalytic Reforming Unit

Conversion of Low Octane Petroleum Refinery naphtha Feedstock Conversion of Low Octane Petroleum Refinery naphtha Feedstock to High Octane Gasoline (Petrol) Products. Other byproducts to High Octane Gasoline (Petrol) Products. Other byproducts include methane, ethane, propane and butanes. include methane, ethane, propane and butanes.

Catalytic Reforming Unit• Reformate is added to gasoline to boost octane and to get

more of the crude distillate into gasoline• The Catalytic Reformer converts naphtha, usually heavy

naphtha, into reformate.• The aromatic content in reformate attacks many common

filter and coalescer materials including common adhesives, common glass fiber binders and cellulose/paper medias.

AkylationProcess whereby isobutane combine with light olefins in the presence of a strong acid catalyst to produce a high octane alkylate

Hydrofluoric Alkylation Process

Akylation

• Commonly called the “alky unit” • “Alkylate” is added to gasoline to boost octane and

to get more crude distillate converted into gasoline (similar to reformate)

• The feed stock is isobutane and propylene/butylene but usually we are asked to filter or coalesce either “isobutane” or “isobutylene”

• The Alky unit uses either a “HF”(hydroflouric acid) or sulfuric acid catalyst

• The combination of acid carryover and isobutylene is a very aggressive solvent and dissolves many common filter materials

Low Sulfur Diesel

• Commonly called the “Green Diesel” or “ULSD” (Ultrao Low Sulfur Diesel)

• There have been huge investments by diesel refiners to add hydrotreaters to reduce sulfur content of diesel because of government regulations across the world

• Low Sulfur diesel can have low interfacial tensions causing coalescers not to work well unless designed for low IFTS

• Low Sulfur Diesel and especially ultra low sulfur diesel is a powerful solvent and attacks cellulose, binder in common glass fiber filters/coalescer and many adhesives

Chemical and Petrochemical Processes

• Vinyl Chloride Monomer (VCM) Process• Hydrogen Peroxide• Polypropylene Process• Ethylene Glycol Production and Ethylene Oxide• Ethylene Oxide Production• Ethylene Processing• Bleach Production• Sulfuric Acid Filtration• AmmoniaEthylene Compressor & Molecular Sieve

Protection• Loadout: Bulk Chemical Filtration• Bulk Chemical Filtration: Formaldehyde Process• Loadout: Epoxy Resin Filtration• Loadout: Resin Manufacturers• Deionized Water Filtration

Vinyl Chloride Monomer (VCM) Process

DEPTHFLO10µm,

ABSOLUTE

L/L COALESCER

LC SERIES,COALESCER

ONLY,SINGLE STAGE

Hydrogen Peroxide

HFGP 1-0

HFGP 1-01µmor

DURAFLO

HFGP 1-01µmor

DURAFLO

HFGP 2-02µmorMB

SERIES

HFGP 2-02µm

orDURAFLO

LC SERIES,COALESCER

ONLY,SINGLE STAGE

PVDF SERIES

HFGP 1-0

DURAFLO

Polypropylene Process

DEPTHFLO

N66 DEPTHFLO10-20 µm

DEPTHFLO10-20 µm

N66 DEPTHFLO5-10 µm

DEPTHFLO

5-10 µm

DEPTHFLO5-10 µm

DEPTHFLO

5-40 µm

Ethylene Glycol Production and Ethylene Oxide

DURAFLO5 – 40 µm

DURAFLO2 – 20 µm

Ethylene Oxide Production

QUAD PRO™10µm

LG COALESCER

Ethylene Processing

Bleach Production

DURAFLO20 µm

DURAFLO10 µm

QUAD PRO™5 µm

QUAD PRO™10 µm

Sulfuric Acid Filtration

DURAFLO10 µm for

Industrial Usesor

DURAFLO1 µm for

Electronics Grade

Ammonia

Ethylene Compressor & Molecular Sieve Protection

LIQUID/GAS COALESCER TO REMOVE

HYDROCARBON FROM ETHYLENE GAS

CE DURAFLO DISPOSABLE FILTERS (RATED AT 10

µm NOMINAL) TO REMOVE MOLECULAR

SIEVE FINES

LIQUID/GAS COALESCER TO REMOVE LUBE OIL AND

HYDROCARBON CONDENSATE PRIOR TO THE FURNACE TO PROTECT BURNER NOZZLES

Loadout: Bulk Chemical Filtration

HF DEPTHFLO

10 µm

HF DEPTHFLO40 - 70 µm

Bulk Chemical Filtration: Formaldehyde Process

MB SERIES20µm

Loadout: Epoxy Resin Filtration

HF DEPTHFLO

70 – 100 µm

QUAD PRO™20 µm

HF DEPTHFLO

20 µm

Loadout: Resin Manufacturers

HF DEPTHFLO

40 µm

HF DEPTHFLO

40 µm

HF DEPTHFLO

40 µm

Deionized Water Filtration

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