Ukrainian cement industry. Results of operations in H1 2019

In H1 2019 3,980.1 kt of cement and 3,182.3 kt of clinker were produced by enterprizes — members of Ukrcement Association, which is 2.7% less and 8.5% more than in H1 2018, respectively. In H1 2019 the country exported 67.4 kt of clinker and 285.1 kt of cement; ...

In situ gas analysis as a control parameter in cement production

The importance of express gas analysis in the production of Portland cement clinker and in other applications is assessed. The main difficulties of organizing a continuous analysis of gases during clinker burning, grinding and storage of solid fuels, as well as the disa...

Rheotechnical characteristics of raw cement slurry with thinners in the chain section of a rotary kiln

The results of studies of the rheotechnical characteristics of the raw cement slurry with a thinner in the chain zone of rotary kilns are presented. It is shown that the use of thinners changes the moisture content and rheological characteristics of the raw slurry durin...

Hydration and strength gain of sulfoferrite clinkers and special cements based on those

The potential of sulfoferrite clinkers synthesized from iron-containing industrial wastes as an expanding additive in sulfoferrite cements was investigated. The data on heat release during hydration of expanding additives, as well as the results of a comprehensive therm...

Transformations in cementitious compositions with alkali-free accelerators during accelerated alkali reactivity tests

The paper describes phase-chemical transformations in cement pastes and cement-sand mortars with the addition of aluminum and iron sulfates in accelerated tests of the effects of alkaline environment according to GOST 8269.0–97. It was established that sulfoaluminate ph...

Composition and technology of complex additives for concrete based on industrial waste

The results of the development work on complex additives for concrete, including mineral components from industrial wastes (such as ash and slag of thermal power plants, granulated slag and wastes of volcanic tuff crushing) and the processes for their production...

2019 IEEE-IAS PCA. 61st Cement Industry Technical Conference

On 28 April – 2 May, 2019 in St. Louis, Missouri, USA, under the auspices of IEEE-IAS PCA 61st International Technical Conference on cement was held. The conference was attended by 1002 participants from 23 countries. An overview of the papers presented at the conferenc...

VIIIth International Conference UkrCemFor 2019. Cement industry. Best Practices. Prospects for Development

On May 27–29, 2019 the 8th International Conference UkrCemFor organized by the the "Ukrcement" Association of Cement Producers of Ukraine was held in Kiev. The conference attracted more than 300 delegates from Ukraine and other countries. An overview of the p...

WasteTech-2019

The article offers information on the 11th international exhibition-forum of waste management, nature protection production technologies and renewable power generation WasteTech-2019 held in Moscow on 4-6 June 2019.

POWTECH 2019

The article offers information on the 21th international trade fair for powder & bulk solids processing and analytics POWTECH 2019 held in Nueremberg, Germany, on 9-11 April 2019.

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