PNG SELG Logo


SELG & Associates, Inc.

office (425) 487-6059
fax (425) 487-4086
sales@selg.us

Advanced Treatment Systems

  • SBR - Sequencing Batch Reactor

Alfa Laval

BioSec Enviro, Inc.

  • Biosolids Storage and Unloading Systems
  • Horizontal - Inclined - Vertical Shafted and Shaftless Screw Conveyors
  • Live Bottom Hoppers

Environmental Fabrics

  • Covers
    • Impermeable Floating Covers
    • Permiable Floating Covers
    • Landfill Covers [Caps]
    • Reservoir Covers
    • Specialty and Custom Covers
  • Liners
    • Landfill Liners
    • Lagoon Liners
    • Tank Liners
  • Containment
    • Secondary Containment
  • BioGas
    • Floating Covers
    • Gas Storage Covers

H2K TECHNOLOGIES INC.

  • Adsorbers & Filtering Systems
  • Oxidizers - VGTO Thermal Convertible - Catalytic Electric
  • Air Stripping Systems - Packed Column - Aeration Tank
  • Vacuum Extraction Systems

Integrated Separation Solutions, LLC

  • Demineralization
    • multi-bed
    • mixed bed
    • packed bed
    • electro-deionization
    • condensate polishing
  • Softening
  • Filtration (multi-media, carbon, greensand, cartridge)
  • Membrane Systems (reverse osmosis, ultrafiltration, nanofiltration, microfiltration)
  • Degasification (forced draft, vacuum, membrane)
  • Ion Exchange
    • co-current and counter-current
    • packed bed units
    • layered bed
    • mixed beds
    • single and multiple column
  • Simulated Moving Bed (SMB) technology

MIXTEC North America

  • Portable Side Mount Mixers
  • Semi Portable Ball Joint Mounted Mixers
  • Base Plate Mounted Mixers
  • Flange Mounted Mixers
  • Heavy Duty Helical Bevel Drives
  • Parallel Shaft Mixer Drives
  • Side Entry Mixers
  • Inline Static Mixers

MITSUBISHI ELECTRIC POWER PRODUCTS, INC.

  • Ozone Water Treatment Systems
  • Advanced Oxidation Systems

P-TEC

  • Dissolved Air Flotation Systems

PARKSON CORPORATION

  • Aeration - Biological
    • Biolac Wastewater Treatment System
    • HiOx Aeration System
    • OxyCharger Static Aerator
  • Clarification
    • Lamella Gravity Settler - Package Unit
    • Lamella Gravity Settler - Concrete Basin
  • Dewatering
    • Hycor Helixpress Dewatering Press
    • Hycor Hypress Ram-Style Dewatering Press
    • Filter Press - Plate and Frame sylye press
    • Hycor Helixpress Dewatering Press
    • Aqua Washpress
  • Filtration
    • DynaSand Continuous, Upflow, Granular Media Filter
    • DynaSand D2 Advanced Filtration System
  • Oil / Water Separation
    • Sland Rib Coalescing Oil-Water Separator - Model SRC
    • Sland Rib Oil-Water Separator - Model SRCM
  • Screening - In Channel
    • Aqua Guard Self-Cleaning Moving Media, Channel Screen

    • Aqua Guard Perforated-Plate Media, Channel Screen

    • Hycor Helisieve In-Channel Fine Screen Model HRS
  • Screening - Pumped Flow
    • Hycor Helisieve Plus
    • Hycor Rotomesh Fine Screen
    • Hycor Hydroscreen
    • Hycor RotoShear Internally Fed Drum Screen
    • Hycor RotoShear Externally Fed Drum Screen
  • Screenings Washing - Conveying - Dewatering
    • BioGuard Influent Cleaning System
    • Screw Wash Press
  • Scum Skimming
    • SuperSkimmer
  • Sludge Drying - Thickening
    • Thermo System - Solar Sludge Drying System
    • Hycor ThickTech Drum Thickener
  • Sludge Management
    • SuperScrapper High PErformance Sludge Scrapper

PHOENIX PROCESS EQUIPMENT COMPANY

  • Belt Filter Press
  • Gravity Belt Thickener

SSI - STAMFORD SCIENTIFIC INTERNATIONAL, INC.

  • PTFE Fouling Resistant Material
  • Disc - Tube - Square Fine Bubble Diffuser in EPDM or PTFE
  • Coarse Cap Diffuser
  • Coarse Stainless Steel Band Diffuser
  • Piping Systems - Stainless Steel or Plastic
  • Blowers
  • Expansion Joints
  • Replacement and Retrofits

TANK CONNECTION

  • Bolted RTP (Rolled Tapered Panel)
    • Steel Roof
    • Open Roof
    • Clarifier
    • Digester - Steel or Fabric Gasholder Cover
  • Fire Protection Tanks
  • Shop Welded Tank
  • Field Welded Tank

TRI-MER CORPORATION

  • Vertical Packed Tower Scrubbers
  • Whirl / Wet Dust Collection Systems
  • Horizontal Crossflow Scrubbers
  • Cloud Chamber Wet Scrubbers
  • Polypropylene Tanks - Hoods - Ducts
  • HDPE - Roto Molded Tanks

WARMINSTER FIBERGLASS

  • FRP Weirs and Baffles
  • Density Current Baffles
  • Launder Covers
  • Parshall Flumes
  • Palmer-Bowlus Flumes
  • FRP Stop Logs
  • FRP Shelters
  • FRP Buildings

WESTECH

  • Aeration:
    • Wastewater:
      • Slow Speed Surface Aerators
      • OxyStream Oxidation Ditches
      • STM-Aerotor™
    • Water:
      • Cascading Aerators
      • Induced/Forced Draft Aerators
      Clarifiers:
      • Revolutionary C.O.P.(TM) Clarifier
      • Flocculating
      • Rectangular Chain and Flight
      • Rim Drive
      • Spiral Rake
      • Solids Contact
      • Suction Header
      • Suction Pipe
      • Primary and Secondary
      • Digester Equipment:
  • Steel Covers
    • Beam - Truss - Floating - Fixed
  • Gas Holders
  • Heating Systems
  • Heat Exchangers -  Spiral  & Tube in Tube
    • Boiler/Heat Exchanger Combinations
  • Mixing Systems
    • Extreme Duty Mechanical Sludge Mixers
    • Gas Mixing - Draft Tube and Lance
  • Dissolved Air Flotation:
    • Clarifiers /  Thickeners
    • Air / Nitrogen
    • Circular & Rectangular
  • Drives:
    • Replacement Drives
    • Thickener and Clarifier
  • Electrical Controls:
    • UL and ETL Listed Panels (UL698/UL508/CSA)
    • MCC
    • PLC Based Controls
    • ABB Authorized Solutions Provider
  • Filters:
    • Continuous Backwash
    • Granular Media Filters
    • Hyperbaric
    • Membrane—AltaFilter UF
    • Pressure Filters
    • Multi - Media; Activated Carbon; Greensand
  • Flocculators:
    • Horizontal
    • Vertical
  • Grit Removal Equipment:
    • Aerated Grit Chambers
    • Grit Classifiers
    • Rake Collectors
    • Vortex Grit Separators
  • Installation and Erection Services
    • Open Shop   or     Union Labor
  • Laboratory and Pilot Plant Test Equipment:
    • Bench Scale Testing
    • Pilot Plant Testing
  • Mineral Processing
    • OSNA
    • Delkor
  • Oil/Water Separators
    • API Separators
  • Package Treatment Plants
  • Polymer Dosing Controls
  • Rental Equipment
    • Dissolved Air Flotation (DAF'S)
    • Membrane Filters
    • Solids Contact Clarifiers
    • Thickeners
    • Water Treatment Plants
    • Vacuum Filters
  • Septage Receiving Stations
  • Screens (in Channel)
    • Disc Screens
    • Channel Mitt™
    • CleanFlo™
  • Sludge Blenders
  • Softeners:
    • Cold / Warm / Hot Lime
    • Zeolite 
  • Tankage
    • Anchor Channel or  Elevated
    • Thickeners:
    • Center Feed or Side Feed
    • Rake Lifting Devices
    • Sludge Dewatering Pickets
  • Trickling Filters (Rotary Distributors):
    • Hydraulic Driven
    • Motor Driven BioDoc¨
  • Vacuum Filters:
    • Horizontal Belt Filters
    • Precoat Drum Filters
    • Rotary Drum Filters
    • Disc Filters
    • Belt & Roll Discharge Filters
    • Precoat Filters
    • Scraper Discharge Filters
    • String Discharge Filters