Our Services

Our expertise is backed by field and operations experience, licensed professional engineers, and experience in a diversity of industries. Our health, safety, and regulatory services elevate our projects to exceptional levels of safety and sustainability.

Greenfield Plant Design

Nelson’s greenfield plant design services are full turnkey. We provide engineering, procurement, construction and contracting services to the biotech industry. We strive to deliver adaptable solutions that are tailored to each customer, project and technology.

  • Biotechnology
  • Renewable Fuels & Chemicals
  • Ethanol
  • Ag Processing
  • Bioplastics
  • Fermentation Processes
  • Algae
  • Biomass

Commercial Bioplastics Production Facility

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Commercial Soybean Oil Extraction Facility

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Process Scale-Ups

Nelson’s process scale-up services partner with our clients no matter where they are at in the project development process. We help customers scale-up from the lab bench to the pilot plant to the demonstration facility and finally to the commercial scale. Our Aspen process modeling services minimize the guess work and allow us to quickly assess project feasibility, energy usage and capital & operating costs.

  • Biotechnology
  • Renewable Fuels & Chemicals
  • Ethanol
  • Ag Processing
  • Bioplastics
  • Fermentation Processes
  • Algae
  • Biomass

Biochemicals Pilot Plant and R&D Facility

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Renewable Aviation Fuel Production Process

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Retrofits & Upgrades

Nelson’s diverse experience, 3D modeling capabilities, and Aspen process modeling services equip us to provide custom and innovative solutions for our customers’ retrofit and upgrade projects in the biotech industry. We are familiar with all of the major ethanol plant designs. Here are examples of potential retrofits and upgrades:

  • Hydrolysis Utilization™
  • Storage Tank & Load Out Additions
  • Fermenter Addition
  • Cook & Liquefaction Upgrades
  • Fermenter Feed Split Header
  • Beer Degasser
  • Hammermills Additions
  • Sieve Train Addition

Ethanol Fermenter Addition

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Ethanol Storage Tank Addition

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General Contracting & Project Management

Nelson’s general contracting and project management services enable us to offer full turnkey solutions. We are capable of design only and build only projects. But working with customers through design-build allows us to streamline engineering and construction, creating a more efficient project. Because of the value we place on business relationships rather than business transactions, we always approach our customers’ projects with a partnership mentality and do what is best for the project.

  • Owner’s Representative / Engineer Services
  • Estimating
  • Project Scheduling
  • Construction Cost Accounting
  • Experience in Engineering, Procurement, Construction and Contracting
  • Bid Package Development
  • Quality Relationships with Subcontractors and Vendors

Biomass Power Plant Retrofit & Upgrade

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Grains Receiving & Handling

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Safety

Nelson’s safety services can be a component of one of our turnkey projects or a standalone project. We offer a wide range of OSHA 29 CFR 1910 safety consulting, program development, and auditing services to the biotechnology industry. Ask for more information about our comprehensive safety program, which has been developed in accordance to ISO standards (International Organization for Standardization).

  • Safety Program & Management Consultation
  • Program, Procedure, and Policy Development
  • Process Safety Management (PSM) Development and Implementation
  • Safety Training & Best Practices
  • Site Security Plans
  • Safety Program Compliance Auditing
  • Mechanical Integrity Program
  • Process Hazard Analysis (PHA)
  • Emergency Response Plans
  • Incident Investigation
  • Contractor Safety & Pre-qualification

Site Safety Review & PSM

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Safety Program Compliance Audit

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Environmental Compliance

Nelson’s environmental compliance services are available to our customers throughout the project development and scale-up process, as they often impact the process design. With these services in-house and intrinsic to the engineering design process, our clients need not be concerned about last minute changes and expenses due to non-compliance issues.

  • Project Environmental Permitting
  • Continued Environmental Permitting
  • State & Local Regulatory Agency Compliance
  • EPA RFS2 Application Engineering Review & Verification
  • Risk Management Program
  • Civil Engineering & Design

Process Hazard Analysis (PHA) Revalidation

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RFS2 Application Review

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Process Engineering

Nelson’s process engineering services are adaptable to each customer, project, and technology application. We produce custom results in less time than our competitors. Our distinctly diverse biotech experience equips us to innovate creative and effective solutions.

  • Chemical Engineering
  • Mechanical Engineering & Design
  • Process Design & Scale-Up
  • Aspen Process Modeling & Simulation
  • Process Optimization Studies
  • Equipment Sizing & Specification
  • Bid Package Development
  • Process Flow Diagrams
  • Mass & Energy Balances
  • Piping & Instrumentation Diagrams

Cellerate™: Bolt-On Cellulosic Ethanol Plant

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Debottlenecking Study

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Structural & Civil Engineering

Nelson’s structural and civil engineering services are backed by decades of experience with a unique specialty in storage tank design. Paired with our 3D modeling capabilities, our designs are efficient, integrate seamlessly with the process and mechanical design, and minimize construction time and costs. We work with both simple component analyses and greenfield plant design-builds. No project is too small.

  • Structural Steel Design
  • Civil Design
  • Rail Design
  • Reinforced Concrete Design
  • Geotechnical and Foundation Analysis & Design
  • Environmental Permitting & Support

Structural Analysis & Design

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Ethanol Fermenter Addition

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Drafting & 3D Modeling

With a full suite of in-house software and expertise, Nelson’s drafting and 3D modeling services optimize our mechanical and structural designs to streamline the design-build process. These services allow us to incorporate skids and modular designs into our projects, minimizing costs and field time.

  • AutoCAD
  • CadWORKS
  • 3D Modeling
  • Process Flow Diagrams and Piping & Instrumentation Diagrams
  • Line Tracing & Walk Downs
  • Mechanical Drawings
  • Structural Drawings

Renewable Aviation Fuel Production Process

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Turbine Generator Addition

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Operations Support

Nelson’s operations support services are available in conjunction with project startups or as a standalone service to troubleshoot upsets and excessive downtime. We value business relationships over business transactions, so we will provide troubleshooting and support services with integrity. We work hard to find the best solution for each customer.

  • Process Optimization Studies
  • Aspen Process Modeling & Simulations
  • Debottlenecking Studies
  • Throughput & Troubleshooting
  • Energy Usage Optimization
  • Data Analysis
  • SOP Development & Revisions
  • Mass & Energy Balances
  • Operations Reports
  • Operator Training

Aspen Process Modeling

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Debottlenecking Study

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Operator Training

Nelson’s operator training services stem from our own strong background in process operations. We recognize that successful turnkey solutions require operations expertise that is just as skilled as the design and construction expertise. The following are examples of the training topics we offer. Contact us for a full list of topics.

  • Process Water Systems and Balance
  • Operation Techniques
  • Energy Efficiencies
  • Safety & Best Practices
  • Boiler & HRSG Systems
  • Data Analysis
  • Lab Techniques
  • Yeast & Bacteria in Anaerobic Digestion