What is Phosphor-Gypsum?

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What is Phosphor-Gypsum? Blog Image


The National Highways Authority of India along with the Department of Fertilizers, and the Ministry of Chemicals & Fertilizers is going to take up field trials on NHAI projects for use of Phosphor-Gyp

About Phosphor-Gypsum:

  • Phosphorus is a mineral critical to all life on Earth. As a requirement of all biological beings, it is a cornerstone of nutrition for plants, animals, and people.
  • Phosphogypsum is a waste by-product from the processing of phosphate rock in plants producing phosphoric acid and phosphate fertilizers, such as superphosphate.
  • It is used in agriculture for soil amendment or as fertilizer, as well as in the brick and cement industry, and road construction.

Key facts about NHAI

  • It was constituted by an Act of Parliament in 1988 under the administrative control of the Ministry of Road Transport and Highways.
  • NHAI has been set up as a Central Authority to develop, maintain and manage the National Highways entrusted to it by the Government of India.
  • The Authority consists of a full-time Chairman and not more than five full-time Members and four part-time Members who are appointed by the Central Government.


Q1) What is Gypsum?

Gypsum is a mineral found in crystals as well as masses called gypsum rock. It is a very soft mineral and it can form very pretty, and sometimes extremely large.

 Source:  NHAI to Explore Use of Phosphor-Gypsum in National Highway Construction