Natural, modified and saturated zeolites as additives in Portland cement

The results show that cement with the addition of various zeolites (natural zeolite, zeolite modified with Fe(III) ions and zeolite saturated with Pb ions) applies as a supplementary cementitious material. The obtained results indicate that natural zeolites, Fe(III)-modified zeolites and zeolites from aqueous Pb ion extraction can be used as additives in cement.

1 Introduction

The contemporary cement industry has faced the challenge of producing more sustainable, less energy consuming and more durable products without reducing the mechanical properties of the final product. One of the most widespread developments in the conventional production process is the blending of supplementary cementitious materials or pozzolans with ordinary Portland cement [1].The replacement of a specific amount of cement clinker with pozzolans results in a proportional decrease in the economic and environmental cost of the end product. Moreover, the use of pozzolans in...

Related articles:

Issue 2018-3 US 2017/0369375 A1

Cementitious blend and concrete mix compositions resistant to high temperatures and alkaline conditions

(22) 28.06.2016 (43) 28.12.2017 (57) A cementitious blend composition and a concrete mix composition preferable for making concrete resistant to high temperatures and alkaline conditions, particularly...

more
Issue 2020-11-12 EP 3 718 985 A1

Narrow PSD hydraulic cement-SCM blends

(22) 14.04.2011 (43) 07.10.2020 (57) Hydraulic cements, such as Portland cements and other cements that include substantial quantities of tricalcium silicate (C3S), dicalcium silicate (C2S),...

more
Issue 2018-11 US 2018/0230057 A1

White cementitious compositions

(22) 11.04.2018 (43) 16.08.2018 (57) A cementitious composition includes (i) white Portland cement having a fineness of about 350-550 m2/kg, D90 between about 11-50 ?m, and total combined iron oxide,...

more
Issue 2015-10 US 9 102 567 B1

Engineered Portland cement incorporating SCMS and methods for making same

(22) 30.05.2013 (45) 11.08.2015 (57) Engineered cements are described that include an engineered clinker fraction designed for use with one or more supplementary cementitious material (“SCM”)...

more
Issue 2019-6 UNIVERSITY OF APPLIED SCIENCES BONN-RHEIN-SIEG

Investigations into the influence of chemical activators and templates on cement hydration

1 Introduction The most successful ways of reducing the emission of CO2 during the production of cement are currently based on the use of cement replacement materials and their activation. The...

more