The Environmental Pollution and Control- Solution in Sponge Iron Industries

Abstract

It is normally assessed that a Country’s economy is directly proportional to the use of steel that the country is having. This is true and at the same time, some adverse situations are also caused due to such industrialization. In an Indian economy, it is advisable to open more and more industry sectors rather to seize them down. Motivation from governmental as well as nongovernmental agencies would be more effective to keep a sound mind towards the environmental assessments which is the call of the day the whole globe around. We have got much concern and responsibility to combat the climate change which has become a drastic phenomenon for rest of our lives as well as our ancestors. The paper discusses about the sponge iron industries and various methods to help support the environmental issues. It focuses how the environmental system related to the sponge iron industries in the country would help to build a green globe around in near future without affecting the economy of the country.

Sustainability Enhancement of the Coal Based Direct Reduction of Iron Premised on a Rotary Kiln

“…Water is continuously sprinkled over the rotary cooler shell and is allowed to fall on a setting tank located below the rotary cooler. The water requirement varies from 5-6 kl/h 100 TPD DRI [11]. Wastewater can be treated and recycled in the system for dust suppression.…”

“…Major sources of fugitive dust generation in coal based DRI plants are the raw material handling yard (unloading, stacking, reclaiming operations), product discharge system (cooler discharge conveyors, transfer points), junction house, screens, magnetic separators, storage silos. The summation of these waste adds to 0.13 tonnes/tonne of DRI produced [11] The main raw materials, coal and iron need to be crushed to a size between 0-20 mm, sizing of raw mate-rials involve the crushing, screening, and conveying operation. During these processes, fines are generated, and micron size dust is dispersed in the air.…”

“…These specific strategies can be assessed and deployed within the ST and CE integrated approach. Optimisation of the DRI process through multiscale process modelling to reduce CO 2 emissions [6,18] Particulate matter Application of EPA air pollution dispersion model ISCST-3 to predict the impact of the sponge iron industry emissions on ambient air quality [19] Dust and Particulate matter Gas Cleaning Plant (GCP) based on Venturi Scrubbers for the treatment of DRI gases [11] Dolochar Recycling of solid wastes e.g., dolochar can be used as a low cost and highly efficient adsorbent for phosphate removal from aqueous solution [20] Char Recycling, char mixed with coal fines can be used as fuel in Fluidized Bed Combustion Boilers (FBC) [2] Reuse of char as an element for denitrification in wetlands [21]…”