WILLIAM ASPDIN – THE ORIGINS OF PORTLAND CEMENT – Dartford Technology – Cement – William Aspdin

He discovered the importance of the intermixing of chalk and clay in proportion with water and also the clinkering of the mixture. He also modified the kiln so that the chimney was tapered to increase the draught and thus the temperature.

Scheduled Wastes – Cement Kilns (1 of 2)

Kiln fuel firing systems are designed to minimise energy consumption and to provide appropriate flame shape for clinkering of the raw materials. Courtesy Portland Cement Association).

APPLIED MINERALOGY OF CEMENT AND CONCRETE – event

Contributor: Jos Brouwers The work of Powers and Brownyard revisited: A new microstructure model for ordinary Portland cement. Harald Justnes Alternative low-CO2 'green' clinkering processes. Herbert Pöllmann Calcium aluminate cement – raw materials, differences, hydration and properties.

PatentStorm – Method for improved manufacture of cement in long kilns – US Patent 5451255 Description

In the widely used commercial process for the manufacture of cement, the steps of drying, calcining, and clinkering cement raw materials are accomplished by passing finely divided raw materials, including calcareous minerals, silica and alumina, through a heated, inclined rotary vessel or kiln.

The Analysis of Mortar

It is the amount of this material which determines the hydraulicity of binder, whether it be Portland cement, Roman cement, hydraulic lime (of any grade) or an added pozzolan.

Alphabetical Browse – Britannica Online Encyclopedia

The American type is a mixture of portland cement and an expansive agent made by clinkering a mix of chalk, bauxite, and gypsum. And became an officer in the British Army.

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