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 ..

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 ..

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 ..

Draft National Civil Aviation Policy 2015

On October 31, 2015, the NDA Government has put a Draft National Civil Aviation Policy 2015 in public domain and invited comments from all stakeholders. The policy will be revised after public comments and will come in effect possibly from ..

ESDM Industry in India

India is one of the largest growing electronics market in the world with a CAGR (Compound Annual Growth Rate) of around 66.1%. In 2015, this industry has a market size of USD31.6 billion and is expected to grow to USD ..

Problems of India’s Jute Industry

India’s first jute factory in India was established at Rishira, near Kolkata in 1854. Prior to independence, India had monopoly in the both production of raw jute and jute manufacturing. However, Jute industry is marred with several problems right since ..

Cotton Textile Industries in India

Textile industry contributes 14% to industrial production and 4 per cent to GDP. With employment to 45 million people, textile industry is one of the largest source of employment generation in the country. The industry accounts for nearly 13 per ..

Leather Industry in India : Key Facts

Leather Industry has a prominent place in Indian Economy because of its substantial export earnings and employment generation. As of 2015, some 25 Lakh persons are employed in the leather industry in India. The industry is demand driven. The demand ..