About Solvent Recovery, Distillation, and VOC Abatement
Calgon Carbon Corporation's Vara Technology
systems are:
- Custom designed
- Available in a wide range of flows and configurations
depending on space constraints
- Pre-assembled and skid-mounted for easy, fast
installation that minimizes field construction costs
- Complete with state-of-the-art Programmable
Logic Control (PLC), including remote monitoring
- Cost-effective and environmentally
compliant
Our family of systems include:
Solvent Recovery System
Vara Technologies of Calgon Carbon Corporation
provides the most complete, reliable and cost-effective adsorption
systems that recycle and reuse up to 99+% of solvents while still
exceeding regulatory standards for removal of VOC from industrial
emissions. This result directly benefits customers by increasing
profitability by virtually eliminating solvent expense through recovery.
The natural method of solvent recovery is adsorption,
which relies on attractive forces between solvent molecules and
a selected adsorbent, either zeolite or activated carbon. The solvent
is removed from the air or process stream and is then recovered
by directly heating the adsorbent and using this energy to overcome
the intermolecular attractive forces. The resulting vapor stream
is condensed allowing for recovery and reuse of the solvent. This
process takes place automatically via a customized PLC-based control
system.
Adsorption is the ideal VOC control solution
for manufacturing processes that generate a solvent laden gas stream.
This applies to a wide variety of industries such as the pharmaceutical
and chemical, which utilize solvents in drying, coating, curing,
and cleaning operations.
Further purification and separation can be provided
through Vara Technologies expertise in the distillation field. Through
the supply of distillation columns, air strippers, and membranes,
Vara Technologies can provide the recovered product at the highest
standards.
Advanced Distillation System
Advanced distillation systems are used to separate
and recover high purity solvents suitable for reuse. Vara Technlogies
of Calgon Carbon Corporation can provide both batch and continuous
advanced distillation systems. These systems can be provided in
conjunction with our stand-alone units or carbon adsorption/solvent
recovery technology.
Vara Technologies distillation systems are the
preferred choice by customers in the chemical, pharmaceutical, and
other specialty industries around the world for recovery, recycle
and reuse of solvents for applications ranging from solvent mixtures
to solvent contaminated wastewater.
Vara Technologies supplies complete extractive
and azeotropic multi-component distillation systems to separate
and purify solvent mixtures.
A range of distillation capabilities can be provided
to include:
- Extraction columns
- Solvent/solvent separation
- Solvent/water separation
- Steamstripping columns
- Stripping/rectification columns
- Vacuum columns
- Wastewater treatment
VOC Abatement Systems
VOC Abatement Systems treat air or gas containing
volatile organic compounds (VOCs). Vara Technologies provides several
cost-effective alternatives to meet customers' specific needs.
- Regenerable Carbon Adsorption System
The versatility of Vara Technologies adsorption
technology offers the most appropriate system for your application.
In applications where chlorinated solvents are present, adsorption
is an effective manner in which to avoid the problems associated
with oxidation. This includes dioxin and acid gas formation and
the high equipment costs associated with special materials of
construction requirements.
- CADRE® System
The CADRE® system treats large volume gas streams containing
low concentrations of VOCs. This is a cost-effective solution,
up to 99%, for the removal and destruction of hydrocarbons, including
paraffins, aromatics, ketones, and esters for a variety of industrial
processes and environmental applications. The CADRE® system
combines fixed-bed regenerable adsorption (activated carbon or
zeolite) and thermal oxidation technology into a single system
to provide an efficient VOC abatement alternative for high flow
applications. This system is ideal for both batch applications
or those in which VOC levels vary. The CADRE® system can automatically
accommodate these fluctuations and potentially lower operating
costs.
- Revolver® Z
The Revolver® Z system is built around a zeolite rotor technology
and is coupled with a thermal oxidizer to provide a low cost yet
highly efficient VOC control system. The Revolver® Z system
continuously adsorbs/removes VOCs from large air streams. While
the zeolite wheel rotates, VOCs are removed with hot air. The
resulting desorbed organic compounds are then oxidized to CO2
and H2O in a thermal oxidizer.
Some industries that use this technology are paint spray booths,
semiconductor, coatings, remediation, chemical and aerospace.
- Thermal Oxidation
A complete range of thermal oxidation systems for VOC destruction
can also be provided. These systems include Thermal Oxidizers,
Recuperative Thermal Oxidizers, Regenerative Thermal Oxidizers,
and Catalytic Thermal Oxidizers.
Visit the Calgon
Carbon Engineered Solutions web site for additional information
about our technology solutions and their industry applications.
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