Sierra Energy’s Mission

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How Does FastOx Gasification Work?

FastOx gasifiers employ a fixed-bed system that breaks down waste at the molecular level. Waste is fed into the top of the gasifier vessel through an airlock. Purified oxygen and steam are injected into the base.

Complete FastOx System & Plant

Complete FastOx System & Plant Explore the five isles of FastOx systems and the possible configurations. Components of a complete FastOx system Sierra Energy's complete gasification system is an end-to-end system that incorporates the use of a FastOx gasifier in the process of producing energy from waste. A FastOx system comes with the front and back end equipment required to process waste [...]

FastOx Background & Milestones

Discover the history, evolution, and future of FastOx gasification. Development Summary From 2009 to 2013, Sierra Energy developed and validated its technology at the Renewable Energy Testing Center (RETC) located at the McClellan Air Force Base in Sacramento. Using start-up funds from the Department of Defense (DoD), we set out to validate our heat and mass balance (H&MB) model […]

Valuable End Products

Our high-quality syngas can produce a variety of valuable end products. Overview of Valuable End Products FastOx gasifiers produce a high-quality syngas that can be converted into a number of valuable end products. These products are formed using back end systems and technologies developed by trusted third party companies. These tried and true technologies can be […]

A Long Term Solution to Landfills

The Issue with Landfills The United States generates over 250 million tons of municipal solid waste (MSW) per year. A figure that does not include waste from agricultural, food processing, consumer electronics, and industry. More than half of this is waste is also landfilled. Landfills are a major producer of greenhouse gas emissions. As waste bakes […]

FastOx Gasifier Feedstock Overview

FastOx gasification can accept most wastes. Learn more about the types of acceptable wastes and the flexibility of FastOx gasification. What is Essential to FastOx Gasification? Sierra Energy focuses on converting non-recyclable trash into energy. Based on that principal, our FastOx gasifiers have been developed to create energy-dense syngas from the elemental carbon contained within waste materials. In FastOx gasification, […]

Municipal Solid Waste (MSW)

MSW, the most abundant waste form on the planet, is an ideal feedstock for FastOx gasification. Learn what constitutes MSW, where it comes from, and why it is great for FastOx gasification. What is MSW? Municipal solid waste (MSW) is defined by the EPA as waste containing everyday items “such as product packaging, grass clippings, […]

Biomass Gasification

Biomass is one of the most significant renewable feedstock FastOx gasification can accept. Find out why it makes such a great material for the process. What is Biomass? Biomass is organic matter, such as plant material and animal waste, that can be used as a source of fuel. Through its vast stores of chemical energy generated […]

Complex Waste

FastOx® gasification handles the most difficult waste. Learn what these wastes are and how they are processed. Intro Complex waste requires a myriad rigorous disposal techniques. Many of these methods only partially dispose of these waste streams, and, typically, have a negative impact on the environment. Sierra Energy’s FastOx gasification systems provide a simple alternative to […]

How does the System Handle Moisture?

Sierra Energy’s FastOx gasification manages the most abundant substance on the planet. Overview Rain is the main source of water in waste in landfills and material recovery facilities but some moisture is inherently present in all waste, particularly in biomass and organic wastes. The moisture content of waste poses one of the more prominent issues in […]

Syngas

Explore synthesis gas, the primary product of FastOx gasification, its uses, and the specific type seen in the FastOx process. What is Syngas? Syngas, short for “synthesis gas”, is a term used to describe a gas consisting primarily of carbon monoxide (CO) and hydrogen (H2). This energy-dense gas is similar in application to natural gas in […]

Inert Stone Products

Learn about the vitrified inert stone that can be used as a construction material. What are Inert Stone Products? Sierra Energy sees tremendous value in the inert stone byproduct produced in its gasification system. Inert stone is a collection of inorganic materials and metals that are not driven off into the gasifier syngas. They collect in molten […]

Electricity

Explore the electrifying opportunity available in power production, the easiest end product to make using FastOx gasification. Equipment The type of electrical power production system placed in combination with a FastOx gasifier system depends on many parameters specific to each project. The system could ultimately include any combination of internal combustion (IC) generation set (genset), gas turbine, steam cycle, […]

Diesel & Other Fischer-Tropsch Liquids

Discover how to make clean diesel and other liquid fuels using FastOx gasification. Production Sierra Energy produces diesel and gasoline products using Fischer-Tropsch (FT) systems on the back end of our FastOx gasifiers. FT systems convert syngas through a series of chemical reactions over a catalysts (typically cobalt and iron) to produce sulfur-free and aromatic-free renewable diesel. The diesel […]

Hydrogen

Learn how FastOx gasification makes this potential “fuel of the future”. Production Hydrogen (H2) can be efficiently generated from the syngas produced by FastOx gasification. H2 is one of the easiest renewable products to be formed as the high-quality Syngas from FastOx systems contains around 25% by volume of H2 (exact quantities depend on feedstock used). These levels can be further improved via […]

History of Gasification

A brief history of gasification technology and FastOx gasification. The Diverse History of Gasification The processes of producing energy via gasification have been in commercial use for more than 180 years. Earlier gasification technologies included the production of town gas for lighting using peat and coal as feedstocks and the production of fuels from wood to power motor […]

Types of Gasification

A summary of how gasifiers are categorized as well as their comparative advantages and disadvantages. Low-Temperature Gasifiers Low-temperature gasifiers lack feedstock flexibility and generally operate at a lower efficiency than a FastOx gasifiers. These systems also require feedstock sorting, and are limited in their ability to scale.   Downdraft Gasifiers In downdraft gasifiers, gases flow down in the same […]

Emissions

Learn about gasifier emissions and the potential implications. What does the FastOx Gasifier Produce? The FastOx gasifier has zero direct emissions. It is a closed loop system that converts waste into syngas, which is processed at the back end of the system into useful energy. This is an important distinction from a complete FastOx system, which has minimal emissions that […]