Tag: Ammonia

Process and simulation models can be valuable tools when troubleshooting to solve operational issues in sulphur recovery units. Two examples are provided. In the first case study it is shown how a tuned model was useful in troubleshooting an SRU that was experiencing lower than expected recovery efficiency and apparent channelling in the first catalytic converter. In the second case study an SRU simulation tool is used to investigate sulphidic corrosion in a waste heat boiler.

Continuing rationalisation in China’s phosphate industry has been reducing demand for sulphur and sulphuric acid at the same time that the country is producing more of both.

Failure investigations, equipment design and process upgrade projects for SRUs often overlook the impact of water quality. In this article E. Nasat o of Nasato Consulting and L. Huchler of MarTech Systems explore impacts of higher heat transfer rates, control of boiler and condenser water chemistry, conventional equipment design/configurations and monitoring program designs. SRU operators can improve the effectiveness of their failure investigations by implementing a broader, more holistic approach that assesses equipment design, process conditions, operating protocols and water quality issues.

Demand for oil in developed countries was already falling before the coronavirus outbreak, and consumption growth is slowing in the developing world. Peak oil demand may arrive in the next decade. Coupled with more reinjection of sour gas rather than sulphur extraction, could we be seeing falling elemental sulphur production in a decade or so?

Market Insight courtesy of Argus Media

Illinois-headquartered CF Industries has made a long-term commitment to low-carbon ammonia production and net-zero emissions.

The late autumn gloom has darkened in recent weeks, as Europe slipped back into a lockdown that seemed as inevitable as the encroaching winter.

Brazil’s phosphate industry is on a growth dash to meet rising domestic demand. We report on the major acquisitions, investments and expansions by CMOC, Mosaic, Yara and Itafos.

Alistair Wallace , Head of Fertilizer Research, Argus Media, assesses price trends and the market outlook for nitrogen.

This case study describes a backflow scenario in a pressurised leak detection system. Backflow can occur in case of a relatively large leak (crack in liner), where the flowmeter installed downstream of the equipment acts as a flow restriction, allowing pressure to build up.