Indian industry

Difference between White Cement and Ordinary Portland Cement

White Portland cement is made from raw materials containing little or no iron or manganese, the substances that give conventional cement its gray color. So the secret of the White cement is raw material. Apart from that only whitest chalk is used together with light colored sand in production of white cement. White cement production […]


Slurry and Clinker in Cement Making

Limestone (CaCO3) in 3 parts, and Clay in 1part are the raw material to make cement. These are mixed, grinded and water is added to make “slurry”. This slurry is heated to 1400-1500°C in rotary kiln. At 1000°C, the CaCO3 breaks into Quick Lime (CaO) and CO2. CaO reacts with Silica (SiO2), Alumina (Al2O3) and […]

Basic Facts About Cement

Portland Cement was discovered by Joseph Aspdin in 1824. He called it Portland cement because what he discovered resembled the limestone found in Portland. Historical Facts In 1904, a small cement factory South India Industrial Ltd. was established in Madras in 1904. The first large scale cement manufacturing company was Indian Cement Company Ltd. that […]

Petroleum, Chemicals & Petrochemical Investment Regions (PCPIR)

Petroleum, Chemicals & Petrochemical Investment Regions (PCPIRs) policy was launched in 2007 to promote investment in Petroleum and Petrochemical sector. Salient Features of PCPIR Policy PCPIR is a delineated area of around 250 sq km for setting up manufacturing facilities for domestic and export oriented production. It has production units, public utilities, logistics, environmental protection mechanisms, […]

National Food Grid

The NDA government had proposed to develop a National Food Grid. The idea first came forward in July 2014 as an announcement by the food processing industries minister Harsimrat Kaur Badal. In December 2014, the minister launched first ever such report titled “Fruits & Vegetables Availability Maps of India Booklet” focusing on the availability of […]