Process Engineering

At ATSI Engineering Services, our seasoned chemical, mechanical, and instrumentation & control engineers bring diverse process design expertise to your projects.
ATSI offers expert assistance with process development of design, fabrication, and installation of complex equipment systems. We have achieved many successes involving process development, plant expansions, and process equipment relocation. We have experience in solving modification problems where time-sensitive plant shutdowns are critical. From pilot plants to full-sized production facilities, ATSI provides the process expertise for a successful project.
Scope and Capital Requirement Studies
At ATSI, we are highly experienced at defining the scope of a project and identifying capital requirements. We understand your need to measure risks and capital outlays against potential returns. Services we can perform for your studies include:
- Field surveys
- Establishment of process conditions
- Mass and energy balances
- Evaluation of process feasibility
- Process profitability evaluations
- Flow sheet development
- Budgetary estimates
- Equipment evaluation
- Economic analysis
Design Activities
Once feasibility has been established, ATSI’s process engineers work as an integral part of your staff. We ensure that design activities are documented in a logical manner understandable to fabricators and construction personnel. We work with you to complete all design elements, including:
- System descriptions
- Equipment specification drawings
- Process equipment data sheets
- Process flow diagrams
- Instrument process data
- Process & instrumentation diagrams
- Material and heat balance
- Utility balances
Process Design Expertise 
Whether your project involves engineering and integrating a new process, upgrading an existing process, or scaling up from a pilot plant, ATSI’s engineers have the necessary skills to produce designs that are right for the job. Our process design experience includes:
- Energy recovery systems
- Plant process expansion
- Loading/unloading facilities
- Material storage facilities
- Chemical treatment facilities
- Gas cleaning systems
- Cooling and heating systems
- Emissions control systems
- Material-handling
Equipment Specification
ATSI’s staff is accustomed to specifying equipment and designing vessels for process installations. Examples of components we commonly handle include:
- Process gas heat exchangers
- Thermal regenerators
- Off-gas condensers
- Re-boilers
- Incinerators
- Hot oil heating systems
- Cooling support systems
- Distillation columns
- Off-gas scrubbers
- Water treatment
- Reaction vessel design
- Process gas heat exchangers
- Thermal regenerators
ATSI Quality Commitment
ATSI will provide accurate, high-quality services tailored to individual project requirements. Our team is an extension of your own staff. ATSI adds value through responsiveness, field experience, and timely technical solutions.
From concept sketches, as-builts, and final design drawings to analyses and project documentation, we emphasize clear presentation of information, accuracy, and close attention to schedules. We pride ourselves on our ability to interface smoothly with engineering, operations, maintenance, and craft personnel.
ATSI works to minimize capital costs, maximize plant availability, and ensure ease of construction and maintenance. We measure our success by your satisfaction.
Process Design - Mass and energy balances
- Distillation and absorption columns
- Pollution control systems
- Gas handling and feed distribution systems
- Flow diagrams
- Combustion system design and applications
- Equipment specification
- Functional and mechanical design of heat exchangers
| - Heating and cooling support systems
- Liquid and gas distribution system design and controls
- Process feasibility studies
- Profitability evaluations
- Production optimization studies
- Reaction vessels and condensers
- Process Modeling
- Energy recovery systems
- Process gas preheating
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ATSI: Buffalo, Pittsburgh and Chicago's premier consulting engineering firm. We employ the industries finest HVAC, structural, civil, electrical, instrumentation & controls and mechanical consulting engineers. We also specialize in facility construction services including automotive facility construction and blast furnace construction. We are your expert choice for traditional and custom consulting engineering services.