Lala Behari Sukla

Siksha O Anusandhan University | SOA · Biofuels & Bioprocessing Research Center

Biomedical wastes (BMWs) are potentially infectious to the environment and health. They are co-dependent and accumulative during the ongoing coronavirus disease-2019(COVID-19) pandemic. In India the standard treatment processes of BMWs are incineration, autoclaving, shredding, and deep burial; however, incineration and autoclaving are the leading t...

Environmental Sustainability and Climate Change

Tungsten is an important alloying component for the production of different materials. Its efficient extraction from different sustainable resources is necessary to meet the growing demand in the future. In this context, an attempt has been made to recover it from a goldmine overburden sample using the fungal bioleaching technique. The sample conta...

The demand for nickel and cobalt are extremely met through imports in India. The annual requirement of nickel has already reached 20,000 tonne per year and likely to be doubled by the turn of this century. Different sources of nickel are usually the nickel sulfide and laterite ores but unfortunately there is no known nickel sulfide ore deposit i...

Exploitation of bacterial activities in the mineral industries and environmental preservation are gaining much attention. Bioleaching is a useful tool to recover different metals from low-grade ores and wastes. It has proved its benefits in terms of cost and environment. It is applied to the heap operation for the processing of the large volume of...

The growing concern for portable devices and electric vehicles has led to an enormous rise in the demand for lithium-ion batteries. After the end of life, these LIBs act both as a secondary source for the recovery of valuable metals and simultaneously possess a threat to the environment. So they need to be recycled properly to gain economic benefit...

Nanotechnology and its various applications have brought a new revolution in the research area. Biological synthesis of nanoparticles using the biomass of microalgae is a novel and eco-friendly technique which reduces the use of different toxic chemicals. Nanoparticles are very useful materials and have wide applications due to their unique mechani...

The use of heterotrophic fungi (strains of Aspergillus and Penicillium) and bacteria (strains of Bacillus and Pseudomona) for metal recovery have been extensively studied. However, in case of nickelNickel recovery from lateritic ores, strains of Aspergillus and Penicillium are the most preferred microorganisms. Acidithiobacillus ferrooxidans a chem...

Bioleaching is an environmentally safe as well as economically feasible alternative to the conventional process of metal extraction from low-grade ores. It involves the recovery of metals through microbial oxidation of metallic and/or sulfuric compounds. Wide varieties of acidophilic microbes present in the mining sites, which are necessary to decr...

The improvement in the leaching rate of Ni, V, Mo, and Al present in a spent catalyst sample was evaluated by the bacterial adaptation technique. For this purpose, leaching of the metals from the spent catalyst sample was conducted using both adapted and unadapted bacteria cultures. The evaluation was done on the basis of the variation of different...

National Conference on "Trends in Minerals & Materials Technology" Was held at SOA University ,Bhubaneswar on 30.10 2019.The theme of conference was extractive metallurgy, Mineral processing Environment.

The circadian clock serves the fitness of higher plants by controlling various aspects of plant growth and development ranging from photosynthesis to flowering and defense mechanisms. The key components of the core oscillator mediate the circadian output through transcriptional or post-transcriptional mechanisms by phase-wise expression and repress...

Aviation is one of the fastest growing industries. It connects people, culture and businesses across the globe. It supports tourism to a greater extend. It has generated about 56 million direct and indirect jobs worldwide. It has also generated more than two trillion dollars revenue. Air transport has made people’s life easier and more efficient. A...

The ore that contains <50 % of Al2O3 is called low-grade bauxite. It is suitably used for the production of the low-valued refractory materials and abrasives. The scope of its valuable use is curtailed due to the presence of different impurities like alumina-ferrite and alumina-silica. It cannot be used directly as Bayer’s process feed as its high...

Organic farming in the coming decades is attracting the consideration of researchers and accepted by farmers for improving better production capability of the soil. Uses of extreme chemical fertilizers have lots of detrimental effects on soil composition and nutrient management. By adopting the use of organic manure, biofertilizer, and biopesticide...

Discharge of acidic water associated with sulfide, pyrite with other metals from abandoned or active mines is the major cause of acid mine drainage in mining regions. The liquid discharged from mining sectors often contains harmful, toxic heavy metals such as copper, iron, sulfur, nickel and zinc. The production of acidic pH and presence of metals...

Dissimilatory Iron Reducing Bacteria (DIRB) in specific has found wide range of application in bio-beneficiation for removal of iron impurities from different ores and in bioremediation for detoxification of heavy metals, hazardous pollutants, etc. Numerous research works have been reported for bio-beneficiation of kaolin, bauxite by IRB. This stud...

Bioleaching process has been successfully implemented in the industrial scale for the extraction of different valuable metals like copper, gold, cobalt, and uranium. The metal dissolution from different sulphide resources in the bioleaching is performed using a great diversity of microorganisms which can easily grow in the mining environment. The m...

Fluorescent lamp and cathode ray tube (CRT) waste considered as hazardous waste by commission of European communities and resource conservation and recovery act (RCRA). Due to the presence of mercury and lead in fluorescent waste and cathode ray tube waste, it is highly toxic for environment. Simultaneously, these wastes are also a vital source of...

In this article a new spent catalyst sample preparation method was implemented for the purpose of molybdenum leaching in a single step. Further molybdenum and vanadium in the leach liquor were separated and their concentrations were enriched using the solvent extraction and stripping techniques. The impervious sulfur (S0) layer of the spent catalys...

Cobalt has widespread industrial applications but if present in excess amounts it may cause several noxious effects. Liquid-liquid extraction process can be useful in cleaning the environment from harmful chemical pollutants. Solvent extraction of cobalt using cobalt nitrate as the feed solution and trioctylamine (TOA) as the extractant in toluene...

The effluent discharge from mining cause’s serious environmental pollution such as acid mine drainage which in turn spoil the surface and ground water quality. This impact is not only restricted to water but directly/indirectly affect the flora, fauna, land topography and socio-economic of the local inhabitants. In mining sector, liquid wastes are...

Sulphuric acid leaching was employed to examine the dissolution of Mo, Ni and V from a spent catalyst sample. It could leach V and Ni more than 90% whereas Mo leaching was within 30% only. The activation energy for dissolution of three metals showed that the leaching followed the diffusion control model. The solvent extraction and stripping process...

As per World Health Organization (WHO), air pollution is the cause for more than two million deaths every year. Mostly, outdoor air pollution results in reduced lungs function and increased respiratory disease. Therefore, breathing polluted air is as dangerous as eating/drinking polluted food/water. TB (Tuberculosis) is a major public health threat...

Most of the algae are microscopic known as Microalgae, where as some are quite large and known as Macroalgae. The simple cellular structure provides a large surface to volume body ratio, which gives them the ability to uptake large amount of nutrients. They are considered as the more efficient converters solar energy than higher plants. Scientists...

The explosive growth in the electronics industries has revolutionized modern human life. This has resulted in the enhanced electronic wastes (E-wastes) generation which affects adversely on the global environment. The E-wastes are the end life electronics devices like computers, televisions, VCRs, stereos, copiers, mobile phones, and fax machines,...

Application of microorganisms in different process industries has become popular in recent years to reduced environmental impact. Biosurfactants are surface active substances derived from living cells useful in a wide range of industrial application. This can be applied in process industries where cleaning of water, coagulation, flocculation, dispe...

Application of Biosurfactants in Mineral Industries

The application of bio-hydrometallurgy for the metal recovery from different resources is proved to be eco-friendly over the past several years. The huge microbial biodiversity adaptive to the harsh environment facilitates the metal dissolution and detoxification during the process. There are many fundamental biotechnical approaches being implement...

Bauxite is the major alumina (Al2O3) bearing ore used in the aluminum manufacturing industries. The bauxite containing less than 50% Al2O3 is called low-grade bauxite ore, which is commonly used for the alumina based abrasives and refractories productions. The alumina-silica and alumina-ferrite complexes are the foremost impurities present in the l...

Dissolution of copper and zinc present in a complex sulfide concentrate were examined by applying bioleaching technique with aid of the pure Acidithiobacillus ferrooxidans. The leaching rate of both copper and zinc depended on three different parameters such as pulp density, initial pH and ferrous iron concentration. It increased with the increase...

Dissolution of copper and zinc present in a complex sulfide concentrate were examined by applying bioleaching technique with aid of the pure Acidithiobacillus ferrooxidans. The leaching rate of both copper and zinc depended on three different parameters such as pulp density, initial pH and ferrous iron concentration. It increased with the increase...

Aviation transport has made the life of people faster and efficient. Globally it has supported about 56 million jobs. Also it has generated the revenue over two trillion dollars. The International Civil Aviation Organisation (ICAO) has estimated that the global passenger traffic is expected to grow from 5 billion to more than 13 billion RPK from th...

Lithium (Li) procurement is becoming a matter of importance worldwide. Seawater contains large quantities of valuable minerals, some of which are very scarce and expensive in their land-based form. However, only a few minerals, the ones in high concentrations, are currently mined from the sea. The low concentration of lithium in seawater means that...

The explosive growth in the electronics industry has not only revolutionized modern human life but also led to enhance surplus e-wastes that have significant impact on the global environment. Presently e-waste is the fastest-growing waste stream in the world. In developing countries abrupt increase of e-waste and its management is an emerging probl...

In the preset context, the best alternative of chemical fertilizer is necessary because of its adverse effects on the soil health. There are several alternatives available to enhance the soil fertility one of them is Azotobacter. Plant growth promoting rhizobacteria (PGPR) are known to influence plant growth by various direct or indirect mechanisms...

Over the past decade, the global demand-supply chain of nickel is constrained due to depletion of sulphidic nickel ores. However, with anticipated boom in electric vehicles (EVs), the forthcoming decade for battery demand is very bullish for nickel. Hence, there is an urgent need to extract nickel from lateritic nickel ores to meet its high demand....

Fluorescent lamp and cathode ray tube (CRT) waste considered as hazardous waste by commission of European communities and resource conservation and recovery act (RCRA). Due to presence of mercury and lead in fluorescent waste and cathode ray tube waste, it is highly toxic for environment .These wastes are also vital source of different rare earth e...

Hexavalent chromium (Cr (VI)) is one of the pollutants. Its presence in drinking water has shown toxicity even at the level measuring in the parts per billion. It originates from different anthropogenic sources and is finally discarded, which is the key reason for its pollution in the water environment. It comes under the regulatory standards and s...

Microalgae are photoautotrophic microorganisms found in aquatic and wetland habitats. These are known as potential producer of proteins, carbohydrates, lipids, minerals, and bioactive compounds such as antioxidants (polyphenols, vitamin E, vitamin C, mycosporine-like amino acids), and pigments (chlorophylls, carotenoids, and phycobilins). Therefore...

As knowledge of Science and Technology took rapid strides over the years, man learned to tamper with nature altar to suit him. International Resource Panel Report says material resource use expected to reach nearly 90 billion tonnes in 2017, and may more than double from 2015 to 2050. “The amount of natural resources used is closely linked to the a...

Various anthropogenic activities are the major contributor of toxic element discharge into environment. The rapidly growing urbanization and industrialization are the leading cause of environmental pollution. Industrial effluent/waste water containing toxic heavy metals (Chromium, Cobalt, Cadmium, lead, Mercury etc) as well as inorganic and organic...

In the current work, the enhanced trapping of photo excited charge carriers were successfully obtained by constructing a novel visible light driven Co3O4/TiO2/rGO ternary photocatalyst through facile hydrothermal method. In ternary Co3O4/TiO2/rGO composite rGO sheets acts as charge carrier trappers and the suppression of e--h+ pair recombination wa...

As knowledge of Science and Technology took rapid strides over the years, man learned to tamper with nature altar to suit him. International Resource Panel Report says material resource use expected to reach nearly 90 billion tonnes in 2017, and may more than double from 2015 to 2050. “The amount of natural resources used is closely linked to the a...

Adaptation potential of Physcomitrella patens and Funaria hygrometrica to mercury stress with different light conditions (visible, blue, red, and infrared) was studied in solid and liquid culture media under laboratory conditions. Both the species of mosses were exposed to 0.1, 0.2, 0.5, and 1.0 ppm of mercury concentration, which comprises the nom...

Bauxite is the major alumina (Al2O3) bearing ore used in the aluminum manufacturing industries. The bauxite containing less than 50% Al2O3 is called low-grade bauxite ore which is commonly used for the alumina-based abrasives and refractories productions. The alumina-silica and alumina-ferrite complexes are the foremost impurities present in the lo...

Biofuels and Bioprocessing Research Center, Institute of Technical Education and Research, Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar-751030, India is organizing a National Seminar GTCE 2019 on 20th May 2019. Email: lalabeharisukla@soa.ac.in

Biosorption was carried out in this study using the biomass of microalgae Scenedesmus sp. as adsorbent for the removal of hexavalent chromium or Cr(VI) from solution. Different relevant parameters like initial pH, contact time, initial Cr(VI) concentration, biosorbent dosage, particle size, and temperature were examined to evaluate their effect. Th...

With the growing implementation with the AI and virtual environment there is a better scope for the production of highest quality of nutraceuticals. Microalgae, capable of performing photosynthesis, are important for life on earth which provides a well-balanced mixture of nutrients to the organisms higher in the food web. Microalgae are considered...

Mini review Artificial Intelligence and Virtual Environment for Microalgal Source for Production of Nutraceuticals

This book deals with the most emerging aspects of algal research with special reference to microalgae viz; diversity, mutations, genomics and metagenomics study, eco-physiology, culturing, microalgae for food and feed, biofuel production, harvesting of microalgae, separation, and purification of biochemicals, techno-economical assessment, microalga...