CASE STUDIES & SOLUTIONS

Valdes Provides Concrete Solutions

As part of our commitment to providing value-added results here are a number of proven case studies from our satisfied customers.

Specialty Product Expansion Project

An international specialty Chemicals Company was in the process of de-bottlenecking their Midwestern plant and requested the services of Valdes to help with the expansion of a particular unit.

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Material Handling Systems

A steel plant set goals to improve the raw material feed systems at their iron making facility.

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New Product Roll-Out

Valdes Engineering Company provided project development support, detail engineering, procurement services, construction contract negotiations and site supervision for plant modifications required in a new product roll-out in the building products industry.

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Commercial BioFuel Plant

Valdes was selected to work with a proprietary Client that developed a process that converts renewable oils (such as palm, mustard, soybean, jatropha or waste oils) into a variety of green olefins, including a unique distribution of alpha and internal olefins for chemicals and advanced fuels; novel multifunctional esters and acids, including 9-decenoic acid, as well as a premium mixture of oleochemicals and advanced biofuels.

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Palm Oil Plant Expansion

Valdes was engaged to study the facility requirements necessary to increase production at a Palm Oil plant by 380,000,000 lbs per year over the current capacity and to implement Enzymatic Interesterification on this $34 million TIC project. All work was planned on an aggressive schedule and prepared with an FEL3 package which included a detailed estimate and back-up documentation.

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Start-Up Feed Water Pumping System

A Midwestern Power Company employed the services of Valdes Engineering Company to enhance its start-up feed water pumping system. Their existing arrangement did not provide a back-up should the existing equipment fail, and presented operators from starting or filling more than one boiler simultaneously.

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Refrigeration System Relief Valve Calculations

An international chemical company needed relief valve calculations for its refrigeration systems in order to meet OSHA mandated PSM requirements. Also, the client needed to add relief headers to vent the relief valves located inside the building to the outside.

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Peaker Output Relocation Study

A Midwestern utility selected Valdes Engineering Company to prepare an engineering study to evaluate the proposed relocation of the electrical output from eight turbine-generators. Valdes developed applicable alternatives and their associated budget cost estimates, which would allow the utility to assess the technical, operational, logistical and financial implications of the project.

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High Energy Piping Surveillance

Piping and pipe support problems sometimes cause forced outages at older power plants. Valdes Engineering Company's highly experienced pipe stress analysis group has developed a surveillance program designed to evaluate existing piping installations.

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Coal Handling Facility

Valdes Engineering Company was selected by a major material handling supplier to provide the detail structural and mechanical designs associated with a new coal railcar unloading facility for a power plant. In addition to the unloading building, Valdes designed seven associated transfer structures and seven 72" wide conveyors with an overall length of more than 6,000 feet and operating rate of 4,400 tons per hour.

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Auxiliary Heating Boiler

Due to the retirement of several units at a multi-unit Midwestern power plant, station heating would be available from only two remaining units. To provide additional back-up heating capability, the client wanted to add an auxiliary heating boiler.

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Corn Refining & Food Ingredients Company

For more than ten years Valdes has provided continuous engineering and project services to one of the world's largest corn refining companies, a leading supplier of starches, sweeteners, dextrose and a variety of other food ingredients.

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Synthetic Gypsum Rail Unloading

Valdes Engineering Company provided detail engineering and procurement services for a synthetic gypsum railcar unloading facility for a major wallboard manufacturer.

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FCU Catalyst Handling System

Valdes Engineering Company provided engineering services to upgrade the catalyst handling system for two Fluidized Catalytic Cracking units at a major Midwestern refinery. The project included the installation of new bag house systems to comply with opacity control regulations, a new catalyst truck loading and railcar loading system, and new catalyst transporters to inject catalyst into the Regenerator. New piping systems included replacement of the 1200ºF catalyst withdrawal system and all associated catalyst transfer lines.

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Coal Gasification Pilot Plant Detail Design

Valdes Engineering Company performed the detail engineering for a pilot plant that produces pipeline quality natural gas by transforming coal and petroleum coke into clean-burning methane gas.

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Ceiling Tile Manufacturing Facility

Valdes Engineering Company performed the front end planning for a greenfield ceiling tile facility to be constructed in China. 

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Copolymer Adhesives Plant Expansion

Valdes Engineering Company provided detail engineering services for an international corporation's $25 million plant expansion to increase production capacity. The plant produces vinyl acetate ethylene (VAE) copolymer adhesives by means of a high pressure batch process utilizing vinyl acetate and cryogenic ethylene. The project included the addition of new process equipment within a new building to increase the facility's adhesive production by 50%.

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Cooling Water Piping Replacement

Valdes Engineering Company provided detail engineering services to replace and relocate an underground supply and return cooling water system.

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Blowdown Recovery

Valdes Engineering Company was selected to design a blowdown gas recovery system that had previously vented to the plant's flare system. The recovery system captures the blowdown gas, and then compresses and conditions the gas for use in the plant's fuel gas system. The project's objective was to reduce the plant's fuel consumption and obtain environmental credits.

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Tank Program Management

A major Midwest oil refinery engaged the services of Valdes Engineering Company to provide ongoing program management and detail engineering for their site-wide tank surveillance and maintenance program. This multi-year program involved hundreds of storage tanks of various sizes and services.

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Natural Gas Compressor Station

Valdes Engineering Company was selected by a major pipeline transmission company to provide engineering services for a new natural gas compressor station installation. Valdes provided the equipment layout, piping design, civil /structural, and electrical engineering for the project including project management.

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Glycol Dehydration Unit

The fuel gas system at a large Midwestern refinery had experienced numerous problems with leakage and fouling with sludge. A team of reliability experts determined that water in the fuel gas system was the primary cause of corrosion and sludge formation. A Glycol Dehydration Unit (GDU) was installed to treat the plant's fuel gas supply in order to improve the reliability and integrity of the existing fuel gas system.

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Gasoline Blending Improvement

A large refinery initiated an aggressive fast-track project to install a second blending system in order to increase the plant's blending capacity. The goal of the project was to utilize outsourced blending agents designed to lower the vapor pressure of its component pool for the production of a high-octane blended product.

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