Dr. UMAKANT SHRIVASTAVA
@cvru.ac.in
Assistant Professor/ Department of Physics/ Faculty of Science
Dr. C. V. Raman University
RESEARCH, TEACHING, or OTHER INTERESTS
Materials Science, Waste Management and Disposal, Radiation, Condensed Matter Physics
Scopus Publications
Scholar Citations
Scholar h-index
Scopus Publications
Saroja Kumar Sahoo, Umakant Shrivastava, and Mohammad Ziyauddin Khan
IOP Publishing
Abstract Toreduce in environmental load from pollution after primary using of various products (waste product), which is supporting to secondary utilization in preparation of thermal insulation materials using coal fly ash (40-60%), siliceous glass material(30-55%), some phytochemical medicinal additives and (2-8%) cellulose. We know that thermal energy is effective for nature. By the scientific ideas and methods ‘energy’ has been presenting a greatest continuous chainthat frequently more economical to transforms the various form of ceramic materials. The capability of ceramic material such as “tiles”, cooking utensil, crucible etc chosen the better quality for treatment of heat insulation materials based on waste coal combustion of fly ash with waste glass and regular active form of adding medicinal organic adsorbates. In heretheorganic medicinal additives acts as reducing over materials from harmful diseases of microbial. It is favor for developing to high response to health care purposing. Over the materials, thermal activitydepends on some factors such as chemical composition of substances. From this typical point, the Fly Ash and Waste Glass reduce the flow of heat. To testing after preparation of materials as water absorption in boiling and cold water acts with (4-5) days. By the thermal treatment, the material individually acts as (700-1000)˚C. The mechanical durability with other physical and chemical properties for this material is supporting with environmental parameters.
Umakant Shrivastava, Mohammad Ziyauddin Khan, and Vikas Mishra
IOP Publishing
Abstract During the combustion of coal for energy production an industrial by-product is generated known as Fly Ash, is recognized as a hazardous environmental pollutant. Globally, a lot of considerable research has been undertaken by the researchers and scientists on this subject because of various environmental problems caused by Fly Ash. In recent past it is only being treated as waste and a source of air and water pollution but is in fact a resource material and has also proven its worth over a period of time. The present paper reviews on the potential applications for coal Fly Ash as a eco-friendly raw material: in construction of building materials like bricks and Portland cement, in painting application, application in TL Dosimetries, as a soil amelioration agent in agriculture, in the synthesis of zeolite, in the synthesis of geo-polymers, as an adsorbent for flue gases, as a removal agent for toxic metals, dyes, organic & inorganic compounds from waste water and for the extraction of the metals. Since at different locations the property of Fly Ash varies; thus we required analyzing its variability parameter for utilizing it effectively. Hence, before the utilization of Fly Ash as a eco-friendly resource material, it is necessary to study properties of Fly Ash from different sources, so that it can be used beneficially. Thus Fly Ash management is a cause of concern for the future. This article attempts to highlight the management of waste Fly Ash to make use of this solid waste, in order to save our environment.