Chlorovinyls - Intervale Consulting

Our Specialty

Intervale Consulting Group, Inc. began as a full-service firm providing global marketing, project execution, business development, and technical and operating expertise to organizations active in a particular segment of the global chemical industry known as chlorovinyls.

Chlorovinyl chemicals and polymers include chlorine, caustic, ethylene dichloride, vinyl chloride and polyvinyl chloride. This focus is the cornerstone of the company and continues to play a vital role in the company’s client initiatives.

Intervale is the only independent, full service consulting company in the world with a chlorovinyls specialty. Consequently, Intervale products and services tailored to the chlorovinyls industry are unique and can be found nowhere else in the world.

Proven programs for chlorovinyls manufacturing and maintenance excellence

Proprietary economic analysis software designed specifically for chlorovinyls projects

Technology database containing detailed design and operating information on all chlorovinyls technologies

The most extensive chlorovinyls operating and maintenance benchmarking database in the industry

Design packages based on an in-depth knowledge of chlorovinyls technology, operations and maintenance

Complete process modeling of ethylene dichloride and vinyl chloride manufacturing

Due diligence services based on an in-depth knowledge of chlorovinyls manufacturing, critical equipment design, metallurgy, condition, reliability and failure rate, overall plant operating and installation costs, personnel safety and environmental impacts, etc.

Various Types of Chlorovinyl Products

Intervale principals and associates are intimately familiar with all of the chlorovinyls technologies currently in use throughout the world.

With no allegiance to, or alignment with, a particular technology or licensor, Intervale can recommend, incorporate and optimize elements of any available chlorovinyls technology. Every technology has advantages and disadvantages. As an independent consulting firm, Intervale can merge the most effective elements of the available technologies to meet the special needs of our clients.

Intervale specializes in technology selection, technology transfer, basic design incorporating the new technology into the client’s plant, engineering, procurement and construction (EPC) project management, commissioning, start-up and performance analysis.


A Mature Industry

Chlor-alkali, ethylene dichloride (EDC), vinyl chloride (VCM), and polyvinyl chloride (PVC) have been produced for many years. Chlor-alkali has been produced for nearly 200 years. Vinyl chloride (VCM) and polyvinyl chloride (PVC) were discovered in the late 1800’s, and polyvinyl chloride was commercialized in the 1930’s. Virtually all vinyl chloride (VCM) is used to produce polyvinyl chloride. These materials have been manufactured for a very long time and therefore the technology is mature and considered to be open art. In the past few decades, there have been no radically new advancements in the overall manufacturing technology, only some enhancements to certain areas such as chlor-alkali electrolyzer design, ethylene dichloride (EDC) direct chlorination catalysts, vinyl chloride (VCM) oxychlorination reactor design and catalysts and polyvinyl chloride additives and initiators.
A number of producers had in mind to produce vinyl chloride directly from ethane and, as late as 2000, were actively pursuing a commercial process. No such process has yet been proven. As a result, each technology licensor markets their own enhancements to the installed manufacturing processes for chlorovinyls. Intervale knows well these enhancements, those that work and those that don’t. Intervale principals and associates also know which processes will support these enhancements and where they can be effectively utilized in a client’s facility.

Intervale manufacturing studies for chlor-alkali, ethylene dichloride (EDC), vinyl chloride (VCM) and polyvinyl chloride (PVC) typically result in recommendations to install new technology. Intervale can support the client in all aspects of any project involving the new technology, assuring successful application at the client’s site.


Our Solutions

For companies currently engaged in the manufacture of chlorovinyls chemicals and polymers and for companies seeking to participate in this industry, Intervale provides a competitive advantage not available elsewhere.

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