A single shaft Maerz HPS kiln for Schaefer Kalk Malaysia

Schaefer Kalk GmbH & Co. KG, the renowned German lime manufacturer, has been operating a major lime plant in Kuala Ketil, a small town in North Malaysia’s Kedah province since 1997. As is typical for Schaefer Kalk lime plants, the limestone quality coming from their quarries is exceptional. Only with such high grade raw materials is Schaefer Kalk in a position to serve its demanding customers with specialty products.

In 2013 Schaefer Kalk approached Maerz with a very specific request: would it be possible to produce hard burnt lime from its high grade limestone in Malaysia? When testing the limestone, it became clear at an early stage of the project that only very high burning temperatures would lead to the desired quicklime reactivity. In fact, there were indications that a burning temperature well above 1700°C would be required. As this is very unusual for lime kilns, Schaefer Kalk decided to perform a test run in the semi-industrial single shaft kiln plant designed by Maerz/RCE, located in Radenthein/Austria.

The trial went well and therefore Schaefer Kalk placed an order in 2016 for a turnkey installation of a 100 t/d single shaft Maerz HPS kiln in its Kuala Ketil plant.

The kiln is keeping its promises: it produces lime with a residual CO2-content well below 0.2 % at a burning temperature of 1750° C, using natural gas as fuel. This is the highest burning temperature in a lime kiln Maerz has ever built!

This new single shaft kiln allows Schaefer Kalk to round off its product portfolio ensuring and further extending its position as one of the leading lime producers in Malaysia.


Related articles:

Issue 2012-02

Second lime kiln for Karadeniz

Karadeniz Madencilik San. ve Tic. Ltd. S¸ti., domiciled in Istan­bul, Turkey, placed an order with Maerz for the supply of engineering, license, know-how and equipment as well as technical...

Issue 2011-12

New limestone charging system

Carmeuse Hungaria Kft., domiciled in Beremend/Hungary, placed an order with Maerz for the supply of detailed engineering and know-how for revamping the limestone charging system on the existing 450...

Issue 2010-04

Maerz Finelime Kiln for CEFAS S.A.

The Maerz Finelime Kiln ordered by the Argentine producer of lime and building materials CEFAS S.A. was recently commissioned at its Padre Bueno Plant in San Juan Province (Fig.). The kiln, equipped...


Maerz Ofenbau projects in Mexico and Russia

A third kiln for the lime plant Mexicana de Cobre/Mexico Not far away from the Sonora desert, in the same-named federal state of Mexico, two Maerz kilns erected in 2009 and 2014 are performing to the...

Issue 2011-06

Polysius commissions new lime shaft kiln in Saudi Arabia

Polysius AG supplied a second lime shaft kiln to Saudi Sand Lime & Bricks in Riyadh/Saudi Arabia. The kiln, with a rated output of 200 t/d of burnt lime was handed over to the customer at the end of...