All hands on deck for decarbonization

COP27 was deemed the ‘implementation COP’ – the COP that would take us from ambition to action. With this weekend’s outcome, you’ll have to decide if you can deem a COP, that...

November 22, 2022

4 minute read

Sustainable aviation is primed for takeoff – provided additional backing is in place

Governments are setting ambitious targets for the use of synthetic fuels in the aviation sector. But clarity is still needed before the industry can step up to meet these...

November 9, 2022

3 minute read

Feedstocks for steam crackers: key considerations

In plastic production, the steam cracker is king. And, to produce the polymer, we must meet its every requirement.The feedstock possibilities for plastics are ever-widening —...

September 30, 2022

6 minute read

How to decarbonize the chemical industry

With an ambitious commitment to go net zero by 2040, Topsoe is ready to take the lead in chemicals' intricate route toward green. But what does it take for an energy...

September 26, 2022

4 minute read

Clean Air Day 2022: Change is in fact in the air

For the most part, air quality – and it´s impact on both our daily and future well-being – doesn’t currently generate much conversation as a global health issue; how can the...

September 7, 2022

6 minute read

Topsoe appoints two new members of Senior Leadership Team: Head of Power-to-X division and COO

Topsoe appoints Kim Saaby Hedegaard as new Executive Vice President, Power-to-X. Kim Hedegaard has served as interim Head of Power-to-X since May 2022. Before that, he held...

August 24, 2022

3 minute read

Topsoe increases prices on catalysts due to escalating raw material and energy prices

As a result of the increasing cost of natural gas, electricity, and several key commodity chemicals used in our catalyst production process, Topsoe will have to increase...

August 17, 2022

2 minute read

What the US Inflation Reduction Act means for climate

Global headlines have been rife the past week with the signing of the American Inflation Reduction Act. The bill is the largest climate package in US history and is expected...

August 12, 2022

4 minute read

Plastic types and their challenges

The merits of plastic are well known: it is versatile, durable, cheap, light, and strong. However, its impact on the environment is also evident in our oceans, our landfills,...

July 6, 2022

5 minute read

How refineries can play a leading role in the circular economy

If you asked the public who could lead us into a new, sustainable era, refineries may not be their first answer. But looked at another way, maybe they should be. ...

May 25, 2022

5 minute read

A clearer picture: what does legislation mean for chemical recycling?

“Plastic waste must be tackled for the sake of all life in the ocean.” – David Attenborough, biologist, natural historian, and author. Something must be done to solve the...

April 26, 2022

6 minute read

Topsoe will increase prices on catalysts due to escalating raw material and energy prices

As a result of the increasing raw material price of nonferrous metals, natural gas, electricity and other key raw materials used in our catalyst production process, Topsoe...

March 17, 2022

1 minute read

What does it take to decarbonize aviation?

There’s no mincing words when it comes to the environmental impact of air travel: jet fuel is far from climate-neutral. Air traffic emits over 1 billion tons of CO2 annually,...

February 10, 2022

5 minute read

Naphtha: The unknown G2L™ byproduct in rising demand

Like most other industries, the chemical business is under increasing pressure to adopt more environmentally sustainable solutions. A key component in this transition is a...

January 4, 2022

8 minute read

A clear path: Meet market demands for synthetic jet fuel and diesel with G2L™

The demand for more environmentally sustainable fuels is rising globally. While several technical, infrastructural, and legislative challenges remain to be solved before most...

November 23, 2021

11 minute read

How G2L™ emerged as the leading solution for natural gas monetization

After 20 years of developing, building, servicing, and finetuning, our G2L™ technology solution stands out as a reliable and profitable investment in the natural gas space....

October 26, 2021

11 minute read

Tip the scales with the new sulfuric acid catalyst

Topsoe’s new VK38+ sulfuric acid catalyst does not only make it easier to find the right balance but also tips the scales in your favor by offering enhanced performance,...

October 28, 2020

3 minute read

Haldor Topsoe sets out to become the global leader in technologies to reduce carbon emissions

• A new purpose and vision launch Topsoe’s ambition to lead the drive to reduce carbon emissions from fuels and chemicals. • Topsoe’s new company purpose is Perfecting...

September 9, 2020

2 minute read

Tier 3 gasoline - Impact on United States refineries

Tier 3 gasoline sulfur standard is now reality in the United States, making it more difficult for refiners to meet the specifications from their FCC gasoline post-treatment...

September 2, 2020

4 minute read

Haldor Topsoe joins ambitious sustainable fuel project in Denmark

The project aims to develop a ground-breaking hydrogen and sustainable fuel facility based on electrolysis in the Greater Copenhagen Area. The project is expected to be...

August 26, 2020

3 minute read

Haldor Topsoe and Comprimo® (part of Worley) announce global strategic alliance on TopClaus® technology to offer refiners cost-effective compliance in sulfur management

Haldor Topsoe and Comprimo® have announced a global strategic alliance to jointly license the TopClaus® sulfur removal and recovery solution. TopClaus® helps customers...

August 20, 2020

2 minute read

Topsoe and partners issue a report: “Ammonfuel - an industrial view of ammonia as marine fuel”

Alfa Laval, Hafnia, Haldor Topsoe, Vestas, and Siemens Gamesa issued a report “Ammonfuel – an industrial view of ammonia as a marine fuel” providing a comprehensive and...

August 4, 2020

2 minute read

Paving the way to rapid decarbonizing results with SynCOR Hydrogen™ solutions

Need for decarbonization at acceptable cost With the increasing worldwide focus on reducing carbon dioxide emissions, industries need effective ways to make this happen –...

June 25, 2020

4 minute read

Turning waste CO2 into feedstock

CO2 capture and CO2 utilization technologies are receiving a lot of attention in the context of combating climate change. ReShift™, Topsoe’s CO2 reforming technology, offers...

June 11, 2020

3 minute read

Global Clean Energy Holdings selects Haldor Topsoe’s HydroFlex™ for revamp of refinery for renewable fuel production

Global Clean Energy’s retooled facility will produce 15,000 barrels per day of renewable diesel from proprietary camelina oil and other traditional biofuel feedstocks. ...

June 9, 2020

2 minute read

Roeland Baan joins Haldor Topsoe as new CEO

Today is the first workday for the company’s new top manager.

June 2, 2020

1 minute read

Haldor Topsoe joins United Nations Global Compact

Haldor Topsoe has joined the United Nations Global Compact, the world’s largest sustainability initiative. By becoming a part of the initiative, Topsoe commits to aligning...

May 27, 2020

2 minute read

Air Products and Topsoe sign global alliance agreement for collaboration on large-scale ammonia, methanol, and/or dimethyl ether projects around the world

LEHIGH VALLEY, PA (May 15, 2020) – Air Products (NYSE:APD), a global leader in industrial gases and megaproject development, and Haldor Topsoe, the world leader in...

May 15, 2020

5 minute read

Which technology to choose for direct electrochemical conversion of CO2 into chemicals?

Electrochemical conversion of CO2 into useful chemicals, such as carbon monoxide (CO), is a promising route for decoupling the production of industrial chemicals from the use...

April 23, 2020

3 minute read

Thaioil chooses SNOX™ air quality control for Sriracha refinery

Thai Oil Public Company Limited (Thaioil) has signed an agreement for Topsoe’s SNOX™ solution to efficiently remove sulfur and nitrogen oxides and dust emissions from their...

April 15, 2020

3 minute read

COVID-19 update: Haldor Topsoe upholds normal operations

Individuals, companies, and countries are faced with unprecedented challenges as the corona virus (COVID-19) continues to spread across the globe. Everybody must collaborate...

March 26, 2020

1 minute read

Nacero selects Topsoe’s TIGAS™ technology for USD 3 billion natural gas-to-gasoline plant

Nacero has signed agreements with Haldor Topsoe for basic engineering and license for a planned natural-gas-to-gasoline facility in Casa Grande, Arizona, with a capacity of...

March 26, 2020

4 minute read

Preem selects HydroFlex™ for renewable fuels plant with potential to save 2.5 million tons CO2

Preem has chosen Haldor Topsoe’s HydroFlex™ renewable fuel technology to produce clean renewable diesel and jet fuel at their Gothenburg refinery in Sweden. The 16,000...

March 12, 2020

2 minute read

Topsoe launches TITAN™ steam reforming catalyst series with boosted reliability and efficiency

Topsoe’s new TITAN™ series of steam reforming catalysts offers improved performance and longer catalyst lifetime thanks to the hibonite-rich composition. The TITAN™ series...

February 18, 2020

2 minute read

HollyFrontier opts for Topsoe’s HydroFlex™ solution to reduce cost of compliance with renewable fuels blending requirements

HollyFrontier has chosen Haldor Topsoe’s HydroFlex™ sustainable renewable fuel technology to produce extremely clean renewable diesel from various feedstocks The large...

January 29, 2020

1 minute read

Gaz Sintez chooses SynCOR Methanol™ for plant near Saint Petersburg, Russia

Gaz Sintez has nominated Haldor Topsoe as licensor of its methanol plant in the Leningrad Region, Russia. The plant will produce 1.6 million tons per year of АА grade...

January 22, 2020

1 minute read

World’s largest ATR-based methanol plant has been put into successful operation

Based on Topsoe’s SynCOR Methanol™ solution, the plant has a methanol production capacity of 5225 tons per day (MTPD). Since the startup in June, methanol production has...

January 14, 2020

2 minute read

Topsoe and UNLEASH – creating solutions for a more sustainable world

Get the video report from an international think-tank of 1000 global top talents. Three Haldor Topsoe employees joined them to develop solutions to the world’s most pressing...

December 20, 2019

3 minute read

Haldor Topsoe and Sasol unite to offer customers single-point licenses for proven gas-to-liquids solutions

Sasol and Haldor Topsoe, two of the global leaders in gas-to-liquids (GTL) technology, have entered into a collaboration agreement to offer G2L™- single-point licensing of...

December 2, 2019

3 minute read

Haldor Topsoe wins the 2019 IChemE Oil and Gas Global Award for its TIGAS™ gas-to-gasoline technology

Members of the Topsoe TIGAS™ technology team received the prestigious 2019 IChemE Global Award in the category ‘Oil & Gas’ at a black-tie event in Hull, UK, on Thursday...

November 11, 2019

3 minute read

Haldor Topsoe, JITRI and Suzhou High-Speed Railway New Town open joint R&D company to accelerate development of innovative technologies for Chinese market

At an official ceremony yesterday, Haldor Topsoe, JITRI, and Suzhou Xiangcheng district opened the Jiangsu JITRI-Topsoe Joint R&D Center that will make advanced new...

October 30, 2019

3 minute read

How to reduce ammonia production cost with improved ammonia synthesis catalyst?

Using KM 111 in conjunction with our industry-leading catalyst KM1 increases the profitability of ammonia production through record high production levels as well as savings...

October 9, 2019

3 minute read

Grading innovation helps you deal with changing market requirements

Keeping on keeping you ahead Topsoe grading innovation keeps ahead of the market so that you can keep ahead in your operations, and deal with your specific challenges. The...

September 13, 2019

4 minute read

Price increase for substitute natural gas catalysts

Haldor Topsoe announces a 15% price increase of substitute natural gas catalysts, including GCC, MCR and PK catalysts, due to increases in raw material prices. The price...

September 9, 2019

Nakhodka Mineral Fertilizer Plant selects Topsoe as licensor for world-scale methanol plant

Nakhodka Mineral Fertilizer Plant has chosen Haldor Topsoe technology for a 5,400 tons-per-day methanol plant near Vladivostok in the Eastern part of Russia. China Chengda...

September 6, 2019

3 minute read

GTM ONE chooses Topsoe SynCOR™ technology for world-scale methanol plant in Volgograd

Haldor Topsoe, Mitsubishi Heavy Industries Engineering, and GTM ONE have signed a license agreement for the design, construction, and operation of a 3,000 tons-per-day...

August 29, 2019

2 minute read

Perdaman chooses SynCOR™ solution for world’s largest ammonia plant

With a planned capacity of 3,500 metric tons per day, the Perdaman plant will be the world’s largest single-line ammonia plant. It will also be the first to apply Haldor...

August 21, 2019

3 minute read

How to stay on top of hydroprocessing and why training is the way to go

Knowledge and knowledge sharing have been a part of Topsoe’s core identity since day one. We’ve been researching hydrotreating down to the atomic level since the early...

August 1, 2019

3 minute read

Topsoe to build demonstration plant to produce cost-competitive CO2-neutral methanol from biogas and green electricity

Haldor Topsoe will build a 10 kg/hour methanol plant to demonstrate the company’s electrified and extremely compact eSMR Methanol™ technology for cost-competitive production...

July 16, 2019

3 minute read

World’s only natural gas-to-gasoline plant in operation in Turkmenistan

The new plant monetizes Turkmenistan’s huge natural gas resources by producing 15,500 barrels per day of high-value gasoline. The plant is based on Haldor Topsoe’s advanced...

June 28, 2019

3 minute read

Great, greater, grading – reap the full benefits of challenging crudes

Processing renewable feedstocks and opportunity crudes can provide good commercial opportunities – or lead to significant revenue loss because of shorter cycle lengths and u...

June 18, 2019

6 minute read

Why not use connected services to train your junior plant staff?

People are the biggest asset in any business and the success of your company depends largely on them. It is especially important in the chemical industry – without...

June 13, 2019

2 minute read

How to avoid problems in your plant's operation with connected services?

Digitalization is on everybody’s lips these days and many companies are thinking what their digital strategy should be for the coming years. This is equally valid for both...

June 6, 2019

3 minute read

DeLille Oxygen Co. leases two eCOs™ units for cost-competitive onsite CO production

DeLille Oxygen Co. moves beyond tube trailer or cylinder supply of carbon monoxide (CO). The specialty gas company has chosen Haldor Topsoe’s eCOs™ solution for...

May 29, 2019

2 minute read

SkyNRG chooses Topsoe’s HydroFlex™ technology for Europe’s first sustainable aviation fuel plant

SkyNRG, the Amsterdam-based global market leader for sustainable aviation fuel (SAF), has chosen Haldor Topsoe’s world-leading technology for production of renewable diesel...

May 27, 2019

2 minute read

Article in Science: Extremely compact reactor has potential to reduce global CO2 emissions significantly

An article in the esteemed Science magazine suggests that as much as one percent of global CO2 emissions can be saved if electrified, and significantly more compact,...

May 24, 2019

3 minute read

New sulfur control solution cuts cost and supports environmental compliance in viscose manufacturing

Preferential Oxidation Catalysis – a new catalytic solution from Topsoe – has been industrially proven to effectively remove undesired hydrogen sulfide in lean off-gases...

May 7, 2019

3 minute read

Topsoe releases its 2018 Sustainability Report

The Sustainability Report 2018 provides an overview of Haldor Topsoe’s main sustainability initiatives, activities and achievements over the 2018 financial year. The report...

May 6, 2019

2 minute read

Topsoe scientist receives prestigious award

Stig Helveg has been honored with the 2019 Innovation in Materials Characterization Award for his profound accomplishments in electron microscopy advances in catalysis. ...

May 1, 2019

2 minute read

Shchekinoazot chooses Topsoe ammonia technology for new plant

United Chemical Company Shchekinoazot has selected Haldor Topsoe as licensor of ammonia technology for the construction of a new ammonia and urea plant. Located in the Tula...

March 27, 2019

4 minute read

Manufacturing capabilities and data analysis make a powerful combination

Ongoing optimization Almost uniquely in this specialist field, Topsoe is in control of the entire value chain from development to manufacturing to gathering data/feedback...

March 21, 2019

4 minute read

Life before grading

40 years ago the whole game changed Simply put, there are two different eras in the specialist world of refinery hydroprocessing. Before 1979 – and after. So much has...

March 7, 2019

4 minute read

Haldor Topsoe launches ClearView® – a connected service for optimal plant performance in the chemical and refining industries – and announces alliance with Honeywell

ClearView® is a complete connected plant service that leverages the power of continuous upload of data to offer plant owners improved asset utilization, energy savings, and...

March 5, 2019

4 minute read

Ammonia can become the CO2-free fuel of the future

Today, ammonia is mostly known as an indispensable fertilizer ingredient. A new research project will now explore ammonia’s potential, both as a sustainable fuel and a good...

February 21, 2019

5 minute read

Braskem and Haldor Topsoe start up demo unit for developing renewable MEG

The mechanical completion of the innovative first process step of the demonstration plant is the first milestone to be achieved by Braskem and Haldor Topsoe’s partnership to...

February 6, 2019

5 minute read

UCC Shchekinoazot confirmed guaranteed operation parameters of world’s first IMAP™ methanol and ammonia co-production plant

In December, UCC Shchekinoazot (Tula region, Russia) successfully completed a test run of their newly erected methanol and ammonia co-production unit based on Haldor...

January 28, 2019

5 minute read

The cathode material for next-generation lithium ion batteries is ready

The world needs better and cheaper rechargeable batteries to satisfy the demand for battery electric vehicles with longer range and more powerful cordless devices. A...

January 24, 2019

4 minute read

New trends and opportunities in hydrogen production

Hydrogen can be central for long-term storage of renewable electricity production and both fossil and renewable production routes for hydrogen will most probably grow in...

January 22, 2019

4 minute read

PJSC Nizhnekamskneftekhim and Haldor Topsoe have signed contracts for license and engineering services for a methanol unit

Today, PJSC Nizhnekamskneftekhim and Haldor Topsoe signed contracts for license and engineering services for a new methanol unit with a capacity of 500,000 tons per year. The...

January 14, 2019

2 minute read

Making next-generation renewable biofuels competitive

Biofuels are expected to play an important role in reducing our carbon footprint and make us independent of fossil fuel sources such as coal, oil and gas in the future. To...

December 19, 2018

3 minute read

How to comply with renewable fuel use requirements in the U.S. market

Every year, U.S. regulators define a quota for the amount of renewable fuel that must be blended into gasoline and diesel for the domestic market. But how do refiners and...

December 11, 2018

2 minute read

NOVATEK Group selects Topsoe hydrogen technology for their first refinery

LLC NOVATEK – Ust-Luga has chosen the Haldor Topsoe Convection Reformer (HTCR) for hydrogen production at their refinery in Ust-Luga, Russia. The modular HTCR technology...

December 6, 2018

3 minute read

Haldor Topsoe opens office in Indonesia

Topsoe opens an office in Jakarta, Indonesia, to be closer to the customers and provide them with even faster services tailored to their needs. Indonesia’s demand for...

November 28, 2018

3 minute read

Maximizing diesel yield with catalytic dewaxing

Catalytic dewaxing is a process that ensures that oil products like diesel are liquid at the specific temperature ranges in which they are to be used in order to meet the...

November 8, 2018

5 minute read

Topsoe announces price increase for sulfuric acid catalysts

Due to the continued increase in raw material prices, especially for vanadium, Haldor Topsoe announces an increase in the price of the company’s sulfuric acid catalysts of...

September 21, 2018

1 minute read

Haldor Topsoe invests in Indian fertilizer plant

Topsoe has signed a shareholder agreement for a 11.7% stake in the Ramagundam fertilizer plant in Telangana, India, together with the Danish government-owned fund IFU and...

September 13, 2018

3 minute read

UCC Shchekinoazot launches methanol and ammonia co-production plant licensed by Haldor Topsoe

United Chemical Company Shchekinoazot inaugurated a methanol and ammonia co-production plant on September 7, 2018, in the Tula region of Russia. The new plant can produce...

September 11, 2018

2 minute read

Comply with emission standards without compromising on performance

A new, highly active catalyst offers sulfuric acid plant operators a significantly more effective way to achieve compliance with emissions standards without compromising on...

September 5, 2018

2 minute read

Anglo American Platinum chooses WSA for cost-efficient environmental compliance

Anglo American Platinum has signed a contract for Topsoe’s world-leading Wet gas Sulfuric Acid (WSA) sulfur emissions control technology for their platinum smelter facility...

August 27, 2018

2 minute read

Choosing high performance LTS catalyst for improved efficiency

In an increasingly competitive market, catalyst selection is of significant importance when it comes to optimizing performance in ammonia and hydrogen plants. By installing...

August 20, 2018

3 minute read

Haldor Topsoe acquires full ownership of Ferrostaal Topsoe Projects GmbH

The transaction adds strong project development competencies to Topsoe’s market-leading portfolio of high-performance catalyst and proprietary technologies for the chemical...

August 15, 2018

2 minute read

New orders cement Topsoe’s leading position in ammonia in India

TechnipFMC has awarded Topsoe a contract for license and engineering of two 2,200 tons-per-day ammonia plants. The plants will be based on Topsoe’s world-leading ammonia...

August 3, 2018

3 minute read

Sinopec chooses Topsoe CATOX catalyst for Asia’s largest styrene-butadiene rubber emissions control project

Sinopec Qilu Petrochemical Corporation has chosen Topsoe’s CATOX catalyst for cost-efficient control of volatile organic compounds (VOC) at their rubber plant in Zibo, China.

July 12, 2018

2 minute read

Haldor Topsoe to deliver large-scale SynCOR Methanol™ plant for Baltic Gas Chemical Company

Baltic Gas Chemical Company, Mitsubishi Heavy Industries Engineering, and Haldor Topsoe have signed a tripartite license agreement for a methanol plant project in Ust-Luga,...

June 7, 2018

2 minute read

From science to dollars: Operando methodology

On the occasion of Dr. Topsøe’s birthday, here’s a story about how his approach to science is still alive and well in the company.

May 24, 2018

5 minute read

How can electrolysis of water help to produce fuel for your future car?

The simplest element of the periodic system and the most common atom in the universe is hydrogen. This abundant matter could very well be extremely important in humanity’s...

May 22, 2018

3 minute read

Further price increase for sulfuric acid catalysts

Effective today, Haldor Topsoe announces a further price increase on the company’s sulfuric acid catalysts. The increase is due to the rising price of raw materials.

May 9, 2018

How to efficiently produce chemicals from biomass using catalysis?

On the occasion of the first official World Creativity and Innovation Day, we asked Esben Taarning, R&D Director at Topsoe, about his innovative work within biochemicals and...

April 21, 2018

6 minute read

Price increase for hydroprocessing catalysts

Haldor Topsoe will introduce a general price increase on the TK series hydroprocessing catalysts, effective April 23, 2018. Prices will increase on most products in the TK...

April 20, 2018

SNOX™ sustainable emissions control technology enters the carbon black industry

Orion Engineered Carbons LLC has signed a contract for Topsoe’s sustainable flue gas cleaning technology, SNOX™. The contract has a value of a three digit million DKK amount.

April 12, 2018

2 minute read

Price increase for sulfuric acid catalysts

Haldor Topsoe increases prices for sulfuric acid catalysts with 0.40 euro per liter. The increase is driven by a substantial increase in the price of vanadium, which is a...

April 3, 2018

Let’s talk about water and Topsoe

On the occasion of ‘World Water Day’, March 22, we will share the story of how we reuse 88 percent of the process water in one of our production units.

March 22, 2018

3 minute read

Annual General Meeting 2018 in Haldor Topsoe A/S

Haldor Topsoe A/S held the Annual General Meeting of the company on March 20, 2018, at the company’s address at Haldor Topsøes Allé 1, 2800 Kgs. Lyngby, Denmark.

March 20, 2018

1 minute read

Topsoe Annual Report 2017: Focus on consolidating the business

Continuing operations generated revenue of DKK 5,011 million, EBIT of DKK 595 million (equaling an EBIT margin of 12%), and net profit of DKK 403 million. The overall...

March 20, 2018

29 minute read

Annual general meeting of Haldor Topsoe A/S

Haldor Topsoe A/S’ shareholders are hereby invited for the annual general meeting to be held on Tuesday, March 20, 2018, at 15:50 at Haldor Topsøe A/S, Haldor Topsøes Allé...

March 5, 2018

1 minute read

Topsoe scientist honored with prestigious award

Topsoe’s Stig Helveg has received the award “EliteForsk” – a recognition of his outstanding work within electron microscopy that follows catalytic processes at the atomic...

March 1, 2018

3 minute read

Successful start-up of world’s largest wet gas sulfuric acid (WSA) plant

The WSA plant treats 131,000 tons of acid gas per year from a neighboring world-scale refinery in Huizhou, China. The patented WSA process converts more than 99.9% of the...

February 19, 2018

2 minute read

Haldor Topsoe and JITRI found joint R&D company to accelerate development of innovative technologies for Chinese market

Joint company will focus on applied research and fast commercialization of new technologies. First development project aims to develop more cost-effective NCA batteries for...

February 15, 2018

3 minute read

Topsoe chosen as technology licensor of the world’s largest methanol facility

IGP Methanol LLC has awarded Haldor Topsoe a contract for engineering of a methanol plant that will produce 1.8 million tons per year, which is part of a planned complex...

January 30, 2018

2 minute read

Curiosity-driven research for the future

What Denmark is spending on publicly funded research at the moment is definitely too little, says Haldor Topsoe’s CEO, Bjerne S. Clausen. Haldor Topsoe devotes 10% of its...

January 25, 2018

3 minute read