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May 2021

The May/June issue of World Fertilizer begins with a regional report that examines how North American producers are reacting to the gale forces of the marketplace. The remainder of the issue is dedicated to a range of technical articles covering phosphate processing, pump engineering, agitator design, sulfur storage tanks, finishing technologies, granulation and prilling.

This month's front cover is brought to you by Hydro Inc.


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Contents

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World News

Tacking Into The Wind
Gordon Cope, Contributing Editor, addresses how North American producers are reacting to the gale forces of the marketplace.

Grabbing Gains
Carolina Vargas and Peter Simons, TOMRA Mining, Germany, explain how methodical testing can show phosphate producers how much silica can be removed from their feed materials to improve yields and lower production costs.

Diving Deep Through Reverse Engineering
Werner Barnard, Hydro, Inc., USA, demonstrates the importance and value of reverse engineering critical pumps as part of a contingency planning strategy.

Venturing Outside The Comfort Zone
Patrik Kolmodin, Sulzer, Sweden, explains how agitators for use in the chemical industry can be optimised during the design process by going beyond specifications.

Sulfur Storage Tank Challenges: Part One
In the first part of a two part article, Brandon Forbes and D.J. Cipriano, AMETEK/Controls Southeast Inc., USA, highlight the challenges that arise from the storage of sulfur and show how a well-designed and installed thermal management system can counter these problems.

Following The Trends
Barbara Cucchiella and Wilfried Dirkx, Stamicarbon, the Netherlands, discuss trends in finishing technologies, including larger capacities, lower costs and higher efficiencies.

Earning Its Stripes
Gelmer Bouwman and Geoffrey Havermans, Kreber, the Netherlands, investigate how computer-aided design has become a key tool in the design and optimisation of prilling facilities.

Fertilizer With A Double Twist
Thomas Lansdorf, Eirich, Germany, provides a number of practical examples to showcase how the range of applications for which fertilizer granules are being manufactured is steadily growing.


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