Magazine: 388 May-Jun 2020

Siroj Loikov has been appointed First Deputy CEO of PhosAgro. Loikov, who was previously Deputy CEO in charge of international projects and personnel policy, will coordinate the work of the company’s headquarters in Moscow, its management company in Cherepovets and the company’s production sites. He will also oversee the implementation of the PhosAgro’s priority development projects and will be responsible for the appointment, development and assessment of the work of the company’s top management.

With the ongoing changes in gas field and refinery feedstock compositions, many sulphur recovery units around the world are facing turndown scenarios to such an extent that it is difficult to meet stringent environmental regulations. Equipment and instrumentation behave differently under turndown conditions, and not always in ways that are desirable. Start-ups and shutdowns can place demands on the equipment that are more severe than years of normal operation. In this article, Optimized Gas Treating, Sulfur Recovery Engineering and Comprimo share some of their learnings and experiences of these scenarios.

What are the limits for future single stream sulphuric acid plant capacities? H. Storch, C. Bartlett, and S. Mohsler of Outotec discuss design considerations for large capacity sulphuric acid plants with reference to the world’s largest acid plants built to date.