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Antibiotics
An ISEP® can be used to continuously recover an antibiotic intermediate from a fermentation broth using an adsorption/desorption process.
Audio/Video Tape Manufacturing
Solvents used in the manufacture of audio and video tapes can either be recovered for reuse with custom Solvent Recovery Systems or captured and destroyed with Revolver®-Z or CADRE® Systems linked to thermal oxidizers.
Betaine Recovery
An ISEP® can be used to increase the purity of the feed and continuously recover betaine from an ion exclusion process stream using an adsorption/desorption process on ion exchange resin.
Caffeine
An ISEP® can be used to continuously recover caffeine from a feed solution.
Chemical Manufacturing
- Fugitive Emissions: Throughout the chemical manufacturing process, VOCs can be emitted from pumps, valves, sample collection points, seals, and the like. These emissions can be recovered and reused with a custom Solvent Recovery System. If reuse is not economically desirable, the compounds can be captured and destroyed using a Revolver®-Z or CADRE® system followed by a thermal oxidizer.
- Point Source Emissions: VOC emissions from chemical manufacturing point sources such as stacks, laboratory vents, reactors, storage tanks, and material loading and unloading operations require control. Emissions from these operations can be captured and destroyed with Revolver®-Z or CADRE® systems followed by a thermal oxidizer.
- Process Wastewater: Chemical manufacturing produces wastewater containing chemical products, spent solvents, and other compounds. An Advanced Distillation System can be used to separate the compounds in the wastewater and recover those with value, while ensuring that the discharged wastewater meets MACT standards.
Chip Manufacturing
The Rayox® UV oxidation process is used to destroy specific organics and TOC that are present in the process water used for chip manufacturing.
Copper Recovery
An ISEP® can be used to continuously recover copper from a low or medium concentration feed stream.
Data Storage Devices (CDs, DVDs) Manufacturing
Solvents used in the manufacture of data storage devices such as CDs and DVDs can either be recovered for reuse with custom Solvent Recovery Systems, or captured and destroyed with Revolver®-Z or CADRE® Systems linked to thermal oxidizers.
Degreasers/Degreasing
The Rayox® UV oxidation process is used to oxidize solvents found in contaminated groundwater from degreasers and degreasing operations. UV energy is combined with hydrogen peroxide to accelerate an oxidation/destruction reaction.
Dyeing Operations (Textiles)
Emissions of acetic acid and formaldehyde are common in textile dyeing operations. Other compounds released include ethyl acetate and chlorotoluene. These compounds can be captured and destroyed with Revolver®-Z or CADRE® Systems coupled with thermal oxidizers.
Fermentation (Pharmaceuticals)
Solvent vapors and process wastewater are produced during the extraction, product dissolution and precipitation, and separation steps of the fermentation process. Solvents can be recovered using custom Solvent Recovery Systems or captured and destroyed using Revolver®-Z or CADRE® systems with thermal oxidizers. Process wastewater can be treated to MACT standards using Advanced Distillation Systems.
Fiberglass Reinforced Plastic Manufacturing
Solvents used in the manufacture of fiberglass reinforced plastics (FRP, also known as GRP) emit VOCs that can be captured and destroyed with Revolver®-Z or CADRE® Systems linked to thermal oxidizers.
Forming Operations (Plastic Products)
Fugitive VOC emissions are a common problem during the manufacture of many common plastic products, such as plastic bottles, plastic film and sheet, and plastic pipe, regardless of the process employed (such as injection molding, extrusion, rotational molding, or other methods). VOC emissions including xylene, methanol, and methyl ethyl ketone, can be captured and destroyed using Revolver®-Z or CADRE® followed by a thermal oxidizer.
Furniture
- Assembly: Furniture assembly includes the use of solvent-based
adhesives such as methyl isobutyl ketone and toluene in the gluing and
veneer processes. These solvents produce VOC emissions. These
emissions can be captured and then destroyed with a Revolver®-Z or CADRE® system, followed
by a thermal oxidizer.
- Pre-Finishing: In the derosination step of furniture
manufacturing, ammonia and acetone to remove resin. Acetone emissions
can be captured and then destroyed with a Revolver®-Z or CADRE® system, followed
by a thermal oxidizer.
- Finishing: A variety of solvents are used in the staining,
washcoating, filling, sealing, painting, and topcoating of
furniture. A custom Solvent Recovery System can often be used to
recover valuable solvents for reuse. When recovery and reuse is not
practical, the VOC emissions can be captured and destroyed with a Revolver®-Z or CADRE® system followed
by a thermal oxidizer.
- Clean-up Operations: Solvents are used to clean the brushes and
spray guns used in finishing operations, as well as to clean the
piping and booths used in the finishing process. These lacquer
thinners can be recovered and reused by utilizing a custom Solvent
Recovery System, or captured and destroyed using either a Revolver®-Z or CADRE® system, followed
by a thermal oxidizer.
Gallium Recovery Tests
The ISEP® can be used to recover gallium using a continuous ion exchange process.
Isoflavones
An ISEP® can be used to continuously recover isoflavones from a feed stream using an adsorption/desorption process on ion exchange resin or an alternative adsorbent media.
Itaconic Acid
A CSEP® can be used to continuously adsorb and recover itaconic acid using chromatographic separation techniques.
Lactic Acid Purification
A CSEP® can be used to continuously adsorb and recover lactic acid using chromatographic techniques.
Lysine Purification
An ISEP® can be used to continuously recover and purify lysine and other amino acids from a fermentation broth stream using an adsorption/desorption process on ion exchange resin.
Man-Made Fiber Production
Volatilized solvents are emitted during the spinning and fiber processing operations of the man-made fiber manufacturing process. These solvents, which can include ethylene and methanol, can be recovered for reuse with a custom Solvent Recovery System. Alternatively, these compounds can be captured and destroyed using a Revolver®-Z or CADRE® system coupled with a thermal oxidizer.
Metal Finishing (Aerospace)
For protection against corrosion. Cleaning and metal finishing preparations can include the use of solvent-based bathes, sprays, and steam cleaning processes, as well as the use of rubber or polymeric maskant compounds. Solvents used include 1,1,1-trichloroethane. These emissions can be captured and then destroyed with a Revolver®-Z or CADRE® system, followed by a thermal oxidizer.
Metal Recovery
An ISEP® can be used to continuously recover metal from a low or medium concentration feed stream using an ion exchange process.
Ni Recovery
An ISEP® can be used to continuously recover nickel from a feed stream using an ion exchange process.
Paint Spray Booths (Automotive)
Facility Clean-up: During color changes and paint spray booth cleaning operations, purge solvents are used to clean the paint equipment and facility. These emissions can be captured and then destroyed with a Revolver®-Z or CADRE® system, followed by a thermal oxidizer.
Painting (Shipbuilding)
Paints with solvent bases such as acetone, methyl ethyl ketone, and xylene are often used in painting parts and surfaces. This painting, whether performed indoors or outdoors, produces VOC emissions. These emissions can be contained then abated by using a Revolver®-Z or CADRE® system paired with a thermal oxidizer.
Pharmaceuticals
- Chemical Synthesis Process: During the chemical synthesis
operation in pharmaceutical production, fugitive solvent emissions can
occur at the reaction vessel, separation, crystallization,
purification, and drying steps. Additionally, wastewater is produced
during the crystallization and purification steps. custom Solvent Recovery
Systems can be used to recover solvents for reuse, while Advanced
Distillation Systems can be employed to remove various solvents from
wastewater, allowing it to achieve MACT standards.
- Fermentation: Solvent vapors and process wastewater are produced
during the extraction, product dissolution and precipitation, and
separations steps of the fermentation process. Solvents can be
recovered using custom
Solvent Recovery Systems or captured and destroyed using Revolver®-Z or CADRE® systems with
thermal oxidizers. Process wastewater can be treated to MACT standards
using Advanced Distillation Systems.
- Formulation: Solvents such as methylene chloride and ethanol are
used in the tableting and encapsulation step of the drug formulation
process. These can either be recovered for reuse using a custom Solvent Recovery
System, or captured and destroyed using a Revolver®-Z or CADRE® system coupled
with a thermal oxidizer. Process wastewater can be produced during
both the mixing and granulation and equipment cleaning steps. Advanced
Distillation Systems can be used to purify this wastewater to MACT
standards.
- Natural Product Extraction: Within the natural product extraction
process of pharmaceutical production, fugitive solvent emissions occur
during the extraction step as well as the evaporation step. Process
wastewater is also produced during the evaporation step, as well as
during the initial mixing and washing procedure. Custom Solvent Recovery
systems can be used to recover solvents for reuse, while Advanced
Distillation Systems can be employed to purify wastewater to MACT
standards.
Plastic Resin Production
Volatilized solvents are emitted from the polymerization, polymer recovery, and polymer extrusion processes of plastic resin production. These solvents, which can include ethylene glycol and methanol, can be recovered for reuse with a custom Solvent Recovery System. Alternatively, these compounds can be captured and destroyed using a Revolver®-Z or CADRE® system coupled with a thermal oxidizer.
Printed Wiring Board Manufacturing (Electronics)
Solvents and cleaning agents used in the board preparation, imaging, and electroplating, soldering, and assembly operations of PWB fabrication often produce VOC emissions. These emissions can be captured and then destroyed with a Revolver®-Z or CADRE® system, followed by a thermal oxidizer.
Printing
- Imaging Process: During the imaging process of printing operations
such as rotogravure and lithography, solvent-based photographic
processing solutions and cleaning solutions are used. Emissions from
these solutions can be recovered for reuse with a custom Solvent Recovery
System or captured and destroyed with a Revolver®-Z or CADRE® System linked to
a thermal oxidizer.
- Printing Process: Inks containing either toluene or alcohol based
solvents are typically used in printing methods such as
rotogravure. These valuable solvents can be recovered for reuse with a
custom Solvent Recovery
System.
Protein Purification
An ISEP® can be used to continuously recover and purify proteins from a natural source feed stream using an adsorption/desorption process on ion exchange resin.
Protein Separation from Cheese Whey
An ISEP® can be used to continuously recover and purify proteins from a whey stream using an adsorption/desorption process on ion exchange resin.
Pulp and Paper Production
- Bleaching Process: During the bleaching process step of paper
making operations, VOCs such as acetone, chloromethane, and
trichloroethane are emitted. These VOCs can be captured and destroyed
using a Revolver®-Z
or CADRE® System
followed by a thermal oxidizer.
- Chemical Pulping Kraft Process: During the chemical pulping step
of the Kraft paper process, various VOC emissions such as alcohols,
phenols, and methyl ethyl ketone are produced. These VOCs can be
captured and destroyed using a Revolver®-Z or CADRE® System followed
by a thermal oxidizer.
Solvent Cleaning and Degreasing (Shipbuilding)
In a number of shipbuilding processes, such as surface preparation, machining and metalworking, solvent-based cleaners and degreasers are used. These compounds produce VOC emissions. These emissions can be abated using a Revolver®-Z or CADRE® System coupled with a thermal oxidizer. In some cases, these spent liquid solvents can be separated and recovered for reuse with an Advanced Distillation System.
Surface Preparation (Automotive)
Metal surfaces must be cleaned prior to application of coatings. Surface preparation includes the use of solvents such as acetone and xylene. These emissions can be captured and then destroyed with a Revolver®-Z or CADRE® system, followed by a thermal oxidizer.
Surface Preparation (Metal Fabrication)
Before and after forming, the metal used in such products as cans, structural steel, nails and bolts, hardware and tools, plumbing, and general mechanical equipment is cleaned with solvent-based compounds. A custom Solvent Recovery System can often be used to recover some of these valuable solvents for reuse. When recovery and reuse is not practical, the VOC emissions can be captured and destroyed with a Revolver®-Z or CADRE® system followed by a thermal oxidizer.
Threonine Production
An ISEP® can be used to continuously recover and purify threonine and other amino acids from a fermentation broth stream using an adsorption / desorption process on ion exchange resin.
Tire Manufacturing
- Building Process: During the undertread cementing, sidewall
cementing, tread end cementing, bead cementing, and green tire
spraying operations of the tire manufacturing process, VOCs can be
emitted. VOCs can be captured and destroyed with Revolver®-Z or CADRE® Systems linked
to thermal oxidizers.
- Rubber Heating: In those operations where rubber is heated, such
as mixing, milling, extruding, and vulcanizing, VOC emissions can
occur. VOCs can be captured and destroyed with Revolver®-Z or CADRE® Systems linked
to thermal oxidizers.
Tryptophan Production
An ISEP® can be used to continuously recover and purify a tryptophan stream using an adsorption/desorption process on ion exchange resin.
Vitamin E (TT3) Separation
CSEPs® are used to separate and recover tocopherols from natural sources using a range of continuous chromatographic separation processes.
VOC Removal (Rubber Products Manufacturing)
Fugitive solvent emissions can occur during a number of manufacturing steps required to make such products as gaskets, hoses, and gloves. These steps include mixing, milling, extruding, calendaring, building, and curing. Solvents used include ethanol, toluene, and acetone. These can either be recovered for reuse using a custom Solvent Recovery System, or captured and destroyed using a Revolver®-Z or CADRE® system coupled with a thermal oxidizer.
Zinc Removal from Wastewater
An ISEP® can be used to continuously recover zinc from a low or medium concentration waste stream.
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