Leading competence

Thanks to innovation and technologies, Cimprogetti is working on progressive outreach for a long-term strategy in the lime industries. At a time when it is essential to introduce adequate skills to be able to predict changes and avoid chasing them in the future, “riding the turnaround” might offer extraordinary growth opportunities for Cimprogetti’s customers.


Calcium oxide, commonly known as quicklime or burnt lime, was probably discovered by chance. Ancient civilizations such as the Egyptians, Greeks and Romans crudely burned lime to take advantage of its various properties and possible applications.

The recognized name given to this burned product was quicklime, which is fitting, since the substance decays rapidly after limestone heating, reacting with humidity if exposed to air.

Quicklime is an ancient material, which has marked the fundamental stages of thousands of years of history in construction and architecture. Soft lime burning...

Related articles:

Issue 12/2015 WO 2015/155569 A1

Reactor for the production of hydrated lime

(22) 09.04.2015 (43) 15.10.2015 (57) A reactor for the production of hydrated lime, comprising a tubular body (2) in which the hydration-reaction of calcium oxide takes place, an inlet mouth (4) of...

Issue 3/2019 WO 2018/231043 A1

Pressurised kiln for calcinating limestone sands using an underground internal combustion chamber

(22) 12.06.2018 (43) 20.12.2018 (57) The present invention relates to a kiln for calcinating limestone and dolomitic sands to obtain quicklime (CaO). The invention also relates to a system for...

Issue 6/2018 US9963386 (B1)

Method of manufacturing hydrated lime

(22) 16.05.2017 (43) 08.05.2018 (57) A method of providing highly reactive hydrated lime and the resultant lime hydrate where an initial lime feed comprising calcium and impurities is first ground to...


Energy consumption and CO2 content in the flue gas of normal shaft kilns: Part 2: Influence of the limestone quality and the process parameters

1 Influence of the CO concentration in the flue gas The lime shaft kiln is used in the lime industry in order to produce so-called medium to hard-burnt lime. This type of kiln is also used in the...

Issue 1-2/2016 GEBR. PFEIFFER SE

MPS mill for quicklime grinding

Nirma Ltd., a manufacturer of soap, detergents and dishwasher tabs for the consumer sector and of primary products for the industry, has a chemical factory installed at Bhavnagar/India producing soda....