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As the chemical industry pushes for increased automation, better quality, and improvements in its safety, health, and environmental record, the development of robust solids handling processes becomes vital. Data acquisition and control of solids streams depend on reliable flow. Excessive dusting, worn conveying lines, and obstructions to flow in silos or hoppers can create dangerous work environments. Segregation of components in blended powders can lead to out of spec products.

To solve flow problems in existing solids handling systems or to develop recommendations for new systems, Jenike & Johanson uses a scientific approach based on fundamental flow properties of bulk materials, including cohesive strength, internal and wall friction, compressibility, and permeability.

If your chemical plant is currently experiencing flow problems, Jenike & Johanson can help you. If you are planning for a new plant or production line, we can apply our industry-leading technology and years of experience to avoid process upsets due to mishandling of materials that are prone to arching, ratholing, flooding, or segregation .

KEY ENGINEERING SERVICES

  • Raw material and product silos and feeders
  • Final product unloading and packaging systems
  • Pneumatic conveying processes
  • Feed systems for extrusion lines
  • Wet cake handling processes
  • Blending operations
  • Lock hoppers for feeding materials into pressurized vessels
  • Air locks

In order to formulate an approach to solving or preventing a problem, we need to learn as much as possible about your application to ensure that handling problems do not occur with the new equipment

Partial Client List
  • Aerojet
  • Air Products & Chemicals
  • Akzo Nobel Chemical
  • Albermarle
  • Albright & Wilson, Canada
  • Allied Chemical
  • American Cyanamid
  • Arkansas Eastman
  • Atlantic Richfield
  • BASF
  • B. F. Goodrich
  • Biolab
  • Borg-Warner
  • BP Amoco
  • Cabot
  • Carolina Eastman
  • Cedar Chemicals
  • Chevron
  • Clearon
  • Conoco
  • Degussa, Germany
  • Dow Chemical
  • Eastman Chemical
  • Eastman Kodak
  • E. I. DuPont de Nemours
  • Engelhard
  • Exxon/Mobil
  • FMC
  • Flexsys
  • Great Lakes Carbon
  • Great Lakes Chemicals
  • Haartz
  • Hoechst Celanese
  • Hercules
  • Huntsman Chemicals
  • ICI America
  • IMC Kalium
  • Israel Chemical Products
  • Kaiser Aluminum & Chemical
  • Kalium Chemicals, Canada
  • Kemira
  • Koch Industries
  • Lubrizol
  • Mobil Chemical
  • Monsanto
  • Negev Phosphate, Israel
  • Occidental Chemical
  • Owens-Illinois
  • Petro Canada
  • Phibro-Tech
  • Polaroid
  • PQ
  • Rohm & Haas
  • Shell Chemicals
  • Shipley
  • Solutia
  • Sun Chemical
  • Texaco
  • Texas Eastman
  • Thiokol
  • Union Carbide
  • Vista Chemicals
  • Wellman
  • W. R. Grace
  • Zeochem
  • 3M
Some of the Materials We Have Handled in The
Chemical Industries
  • ABS (acrylonitrile-
    butadiene -styrene)
    • Crumb
    • Pellets
    • Polymer
    • Resin
    • Terpolymer
  • AC Base
  • AC Base Ethyl
  • Acetylene Lampblack
  • Acid
    • Adipic
    • Ascorbic
    • Benzenephosphinic
    • Benzoic
    • Boric
    • Fumaric
    • Isophthalic
    • Methyl Thiobenzoic
    • Salacylic
    • Stearic, Rubber Grade
    • Terephthalic
    • Trimellitic
    • Trichloroisocyanuric
  • Alginate Impression
    Material
  • Alumina
    • Activated
    • Ash
    • Beads
    • Blast Media
    • Catalyst Fines
    • Flash Calcined
    • Flour
    • Gel
    • Hydrate
    • Reacted
    • Trihydrate
  • Aluminum
    • Acetate
    • Fluoride
    • Oxide
    • Sludge
    • Trihydrate
  • Amitriptylene HCl
  • Ammonium
    • Nitrate Prills
    • Paratungstate
    • Sulfate
    • Thiocyanate
  • Anatase
  • Antimony Trioxide
  • Arsenic Trioxide
  • Barium
    • Carbonate
    • Ferrite
    • Nitrate
    • Stearate
    • Titanate
  • Benzophenone
  • Beryllium Oxide
  • Boron Nitrate
  • Bromicide Powder
  • Burnt Lime
  • Calcium
    • Carbide
    • Carbonate
    • Carbonate, Precipitated
    • Caseinate
    • Chloride
    • Gluconate
    • Magnesium Acetate
    • Phosphate
    • Phosphate Tribasic
    • Precipitated
    • Silicide
    • Stearate
    • Sulfate
  • Carbon
    • Activated
    • Black
    • Black Beads
    • Butts
    • Coating Magnesium Powder
    • Fibers
    • Fines
  • Catalyst
    • Fresh
    • Rainey Nickel
    • Spent
  • Chrome
    • Oxide
    • Salt Cake
  • Copper
    • Hydroxide
    • Sulfate
  • Crystalline Silica Dust
  • Diammonium Phosphate
  • Dicalcium Phosphate
  • Disodium Phosphate, Anhydrous
  • Epsom Salt
  • Foam
  • Fumed Silica
  • Gypsum, Synthetic
  • High Calcium Hydrate
  • Hydroxypropyl Cellulose
  • Iron Carbonate
  • Lithium Carbonate
  • Lithium Hydroxide
  • Magnesium
    • Carbonate
    • Chloride
    • Dioxide
    • Oxide
    • Oxide, Burned
    • Stearate
    • Sulfate, anhydrous
    • Sulfate, Hepta Hydrated
  • Manganese
    • Carbonate
    • Dioxide
    • Oxide
  • Methyl Imidazoline
  • Molybdenum Disulfide
  • Monoammonium Phosphate
  • Monocalcium Phosphate
  • Monosodium Phosphate
  • Neopentyl Glycol Hydroxypivalate
  • Nickel Sulfate
  • Organic Peroxide
  • Phosphono Methyglycine
  • Phosphorous Pentasulfate
  • Polyvinyl Chloride
  • Potassium
    • Ferrate
    • Bicarbonate
    • Butoxide
    • Carbonate
    • Chloride
    • Citrate
    • Hydroxide, Anhydrous
    • Nitrate
    • Permanganate
    • Stearate
    • Sulfate
  • Salt
    • Briquettes
    • Cake
  • Silica
    • Dust
    • Gel Catalyst
    • Hydrogel
    • Laden Carbon Black
    • Precipitated
  • Silicon Carbide
  • Sodium
    • Acetate
    • Acid Pyrophosphate
    • Aluminosilicate
    • Anhydrous
    • Bentonite
    • Bicarbonate
    • Borohydride
    • Carbonate
    • Caseinate
    • Chlorate
    • Chloride
    • Chromate
    • Citrate
    • Cyanate
    • Hexameta Phosphate
    • Hydroxide
    • Metasilicate
    • Nitrate
    • Perborate
    • Perborate, Anhydrous
    • Percarbonate
    • Phosphate
    • Silicate
    • Sulfate
    • Sulfate, Anhydrous
    • Sulfate, Purified
    • Tetraborate
    • Triphosphate
    • Tripolyphosphate
  • Stannous Chloride
  • Strontium
    • Carbonate
    • Ferrite
  • Sulfone Monomer
  • Sulfur
  • Sulphate Fines
  • Tetrapotassium
    Pyrophosphate
  • Tetrasodium Pyrophosphate
  • Thermoplastic Traffic
    Marking w/Plasticizers
  • Titanium Dioxide
  • Tricalcium Phosphate
  • Urea
    • Coated
    • Cyanurate
    • Prills
  • Zinc
    • Carbonate
    • Oxide
    • Sulfate
  • Zirconium
    • Sulfate
    • Sulfate Octahydrate

TYPICAL PROJECT APPROACH

  • Plant visit for troubleshooting, understanding plant requirements, and process auditing
  • Flow property testing of bulk solids
  • Root cause analysis of handling/feeding/conveying/processing problems
  • Functional design of solids handling equipment
  • Detailed engineering design of equipment
  • Supply of custom designed equipment

For over forty years, our team of experienced engineers has been providing proven technological solutions that are cost-effective and safe. Contact Jenike & Johanson to help you solve and prevent bulk solids handling problems.

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Fall 2008
Chemical E-Newsletter

 
 
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Expanded Flow Silo Design Results In Reliable Handling Of Wet Alumina Trihydrate more

 
 
 
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Cost Effective Silo Design For PTA more

 
 
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