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Gas-to-Liquids (GTL)

[Due to the increasing size of the archives, each topic page now contains only the prior 365 days of content. Access to older stories is now solely through the Monthly Archive pages or the site search function.]

Fulcrum Bioenergy awards $200M EPC contract to Abengoa for MSW-to-jet plant

May 07, 2015

Fulcrum BioEnergy has awarded a $200-million fixed-price engineering, procurement and construction (EPC) contract to Abengoa for the construction of Fulcrum’s first municipal solid waste (MSW) to transportation fuels facility, the Sierra BioFuels Plant. The Sierra BioFuels Plant will utilize Fulcrum’s process for converting MSW into renewable syncrude that will then be upgraded to jet fuel. (Earlier post.)

The Fulcrum process begins with the gasification of the organic material in the MSW feedstock to a synthesis gas (syngas) which consists primarily of carbon monoxide, hydrogen and carbon dioxide. This syngas is purified and processed through the Fischer-Tropsch (FT) process to produce a syncrude product which is then upgraded to jet fuel or diesel.

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EPA finalizes GHG permit for $1B gas-to-gasoline plant in Texas; 8M barrels per year

October 03, 2014

The US Environmental Protection Agency (EPA) has issued a final greenhouse gas (GHG) Prevention of Significant Deterioration (PSD) construction permit to Natgasoline LLC to construct a new motor-grade gasoline production facility in Texas that uses natural gas as feedstock (gas-to-gasoline, or GtG).

Natgasoline is a new wholly owned greenfield methanol production complex being developed by OCI N.V. The proposed new GtG facility will comprise two main process operations: a methanol plant with a capacity of almost 1.75 million metric tons of methanol per year, and the methanol-to-gasoline plant (MTG), which will produce more than 8 million barrels of gasoline per year. The methanol plant will use natural gas delivered by pipeline as feedstock; the MTG plant will primarily use methanol from the methanol unit, but can also process methanol from other manufacturers.

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Groundbreaking in Turkmenistan for major synthetic gasoline plant; first full-scale Haldor Topsøe TIGAS facility

September 27, 2014

In August, a groundbreaking ceremony was held in Ovadan-Depe near the capital of Ashgabad in Turkmenistan to launch the construction of a major plant focused on the conversion of natural gas into synthetic gasoline. The plant will be based on Haldor Topsøe’s TIGAS (Topsøe Improved Gasoline Synthesis) technology (earlier post) and will become the first full-scale large commercial facility using this technology.

The plant has been awarded by the national gas company Turkmengas, and Topsøe will be working alongside the Japanese contractor Kawasaki Heavy Industry Ltd. and the Turkish contractor Rönesans Turkmen to engineer and construct the facility. The plant will be become operational in approximately four years from now with a daily production capacity of 15,500 bbl of synthetic gasoline.

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Maverick Synfuels introduces affordable small-scale methane gas-to-liquid modular methanol plants

September 26, 2014

Maverick Synfuels (earlier post) introduced a small-scale, modular methane-to-methanol production plant that can be co-located at the methane source. The Maverick Oasis system allows producers to monetize biogas and natural gas (including associated or flare gas, and stranded gas reserves), as an alternative to producing electricity or venting greenhouse gases into the atmosphere.

The Maverick Oasis factory-built Gas-to-Liquids (GTL) methanol plants are modular, and can be rapidly deployed onsite to produce thousands of gallons per day of methanol from natural gas or methane-rich waste gas. The plants are designed to be low-cost, highly efficient facilities optimized to generate an attractive project rate of return. Each Oasis modular facility comes equipped with performance guarantees based on the designed methanol output rating.

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USDA closes on $105M loan guarantee to Fulcrum for biorefinery converting municipal waste to renewable jet fuel; first USDA loan for biojet

September 04, 2014

The US Department of Agriculture (USDA) has closed on a $105-million Biorefinery Assistance Program loan guarantee through Bank of America, N.A. to Fulcrum Sierra Biofuels, LLC to build a biorefinery to produce jet fuel from municipal solid waste (MSW) via a proprietary two-stage thermochemical process. (Earlier post.)

USDA Rural Development’s loan guarantee represents less than half of the $266 million project cost. The plant is expected to produce 11 million gallons of fuel annually. This is the first loan guarantee USDA has made for the production of bio jet fuel.

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OCM company Siluria pulls in $30M in D round led by Saudi Aramco; methane to fuels and chemicals

August 20, 2014

Siluria Technologies, a pioneer in the commercialization of an oxidative coupling of methane (OCM) technology to produce ethylene from natural gas (earlier post), announced the initial close of its Series D financing round. The round was led by Saudi Aramco Energy Ventures (SAEV), the venture investment subsidiary of Saudi Aramco and included additional investments by all of the major existing investors in Siluria. The total raise for this initial close of the Series D financing was $30 million.

With this initial Series D financing, Siluria has raised just under $100 million since its inception. Siluria is currently in discussions with additional strategic and financial investors to complete a total Series D financing of approximately $50 million.

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Calysta reports 8-fold improvement in gas fermentation in ARPA-E program; BioGTL

July 10, 2014

Calysta, Inc. reported that it has achieved 8-fold improved performance over traditional fermentation technologies in a high mass transfer bioreactor. The bioreactor technology is under development for efficient methane-to-liquids fermentation processes, enabling rapid, cost-effective methane conversion into protein, industrial chemicals and fuels. (Earlier post.)

The improved performance was achieved in the research phase of a program funded in part by the Department of Energy’s ARPA-E program under the REMOTE program (Reducing Emissions using Methanotrophic Organisms for Transportation Energy), awarded in September 2013. (Earlier post.) Calysta develops sustainable industrial products using novel natural gas conversion technology using methane.

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Researchers propose CO2 recycling to improve Fischer-Tropsch GTL efficiency and reduce total CO2 emissions

June 21, 2014

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Overview of the CUGP processes. Credit: ACS, Zhang et al. Click to enlarge.

Researchers in South Korea are suggesting two new carbon-dioxide-utilized Gas-to-Liquids processes (CUGP) to increase the overall efficiency of conventional Fischer-Tropsch GTL. In a paper in the ACS journal Environmental Science & Technology, they report that the two CUGP options increase carbon efficiency by 21.1−41.3% and thermal efficiency by 15.7−40.7%, with total CO2 emissions reduced by 82.0−88.4%, compared to different conventional F-T processes.

This results in a decrease in total CO2 emissions to less than 5g CO2/MJ F-T product, compared to a range of 27.0 to 36.2g CO2/MJ F-T product for the conventional processes.

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Study suggests GTL blending could increase overall US refinery efficiency by improving diesel efficiency

June 20, 2014

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Impact of GTL diesel blending (5% penetration relative to refinery crude input) on US average overall refinery efficiency. Credit: ACS, Forman et al. Click to enlarge.

A team from Sasol Synfuels, Jacobs Consultancy and Argonne National Laboratory has used results from a US industry-wide linear programming (LP) modeling study of individual US refineries to examine the impacts of a number of significant and looming changes—such as shifts in refinery crude slates; regional and seasonal variation; gasoline/diesel (G/D) production ratio; and GTL diesel blending—on US refinery, unit, and product efficiencies. (LP is the the primary tool for analysis and optimization in the refining industry.)

Results of their study, which appear in the ACS journal Environmental Science & Technology, suggest that refinery and product-specific efficiency values are sensitive to crude quality; seasonal and regional factors; and refinery configuration and complexity—which in turn are determined by final fuel specification requirements and regulations. Additional processing of domestically sourced tight light oil could marginally increase refinery efficiency, but these benefits could be offset by crude rebalancing, they found.

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