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Sika Cement Additives. In East Africa

By: George ChristieAugust 2013

Sika East Africa

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a) SikaGrind®-Technology for a high production increase

b) Reduced Specific energy cost per ton of cement

c) Whilst maintaining/improving quality

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test\How cement additiveswork 10.pdf

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Sika IMEASika East Africa

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Sika IMEASika East Africa

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Sika IMEASika East Africa

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Sika East Africa

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Applications of Cement Additives

A- Improve the production rate of cement, and reduce the specific power per ton of cement

B- Improve the quality and strength of cement

C- Reduce CO2 emission

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Economical Evaluation9

Blank 0 3000 10 100 3500 35 40

Q.I 250 3000 5 113 3500 30.9 45

Q.I 250 3000 10 120 3500 29.1 40

3 – Enhanced Production rate & a Further reduction in Power Consumption

Type of cement additive

Dose PPM

Blaine Residue 45M

Productiont/h

Motor Kwh

Specific power Consumption Kwh/ton

Strength 28d Mpa

•Tons168,000 Extra production•$ 16,800,000 of Extra sales•$ 3,360,000 Extra Profit•Kwh annual saving 5.9 M Kwh = $ 590 K

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Economical Evaluation

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90 10 Q.I 300 113 45

Cement Composition

Type of cement additive

Dose PPM

Productiont/h

Strength 28d Mpa

4- Increase Clinker Replacement and more economical - Ecological Blended Cements

90 10 Blank 0 100 40

Clinker % Filler %

85 15 Q.I 300 113 40

1- 5% clinker replacement2- Saving from replacement: $ 1M / year3-CO2 reduced by 50,000 tons year4- 13% production increase remains

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CO2 Reduction• Cement Industry emits 7% of world CO2•1 tons of clinker = 1 ton of CO2•With QI, Avg. Clinker replacement 5-10%•Less to pay on CO2 Taxation •Cleaner and Cheaper production

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Sika E.A12

Sika East Africa