Swadesh Chaulya is a scientist at CSIRCentral Institute of Mining and Fuel Research (CSIRCIMFR), Dhanbad, India. His fields of research include design and development of monitoring, control and automation systems for mines and hazardous areas; geotechnical and environmental studies; and application of wireless communication technologies in ...
WhatsApp: +86 18203695377India and also in Academy of Scientific and Innovative Research (AcSIR), CSIRNational Chemical Laboratory (NCL) Campus, Pune 411 008, India; Vivek V. Ranade is in the Academy of Scientific and ... Underground coal gasification, coal seam, pilot experiments, modelling. ... process of getting blocks allocated for development into
WhatsApp: +86 18203695377The different steps of gasification process is simulated in Aspen Plus by taking the proximate and ultimate analysis data for the three different coal samples as shown in Table 1 and simulating them at different operating conditions as shown in Table entire gasification process is divided into four sections in Aspen Plus simulation which are coal decomposition section, volatile reaction ...
WhatsApp: +86 18203695377A complex coalbiomass cogasification process in a single equation is given in Eq. ... scale studies of cogasification of Indian coal and biomass blends have been reported as an insufficient number of research and academic institutions. CSIRCIMFR is presently involved in carrying out RD work on coal gasification, cogasification of coal and ...
WhatsApp: +86 18203695377The ash sample for this study was collected from a commercialscale fixedbed gasification unit in the eastern part of India. This coal gasification plant (CGP) has a syn gas production capacity of 2,25,000 Nm 3 /h with a coal requirement of around 270 tons/hr. The plant was built based on Lurgi, Germany SLTC, S. Africa technology.
WhatsApp: +86 18203695377The entrainedbed coal gasification process is the cleanest and most efficient coal gasification technology (Fan 2013; Liu et al. 2010; Wang 2014). At present, the entrainedbed coal gasification process is widely used in IGCC power stations over 250 MW (Zhang and Yang 2019). Compared with fixedbed and fluidizedbed gasifiers, entrainedbed ...
WhatsApp: +86 18203695377Coal gasification is the leading technology in achieving clean and efficient utilization of coal resources. ... Although the commercialized gasifiers are widespread all over the world, continuous fundamental research is necessary to meet the technical challenges covering carbon conversion, nozzle and refractory lifetime, slagging issues and the ...
WhatsApp: +86 18203695377Airblown plants are less amenable to chemicals production applications and to high levels of precombustion CO 2 capture than oxygenblown gasifiers; 2. a gasification plant—for converting solid or liquid hydrocarbon fuels into synthesis gas (syngas); 3. a syngas gas cleanup system; and. 4. a combinedcycle power plant.
WhatsApp: +86 18203695377Cogasification (COG) is a cleancoal technology that uses a binary blend of coal and biomass for generating the product gas; it is environmentfriendly since it emits lesser quantities of pollutants compared to the coal gasification process. Although coals found in many countries contain high percentages of ash, cogasification studies involving such coals, and the process modeling thereof ...
WhatsApp: +86 18203695377His primary areas of research are numerical modeling of turbulent combustion, spray atomization and combustion, coal gasification and combustion. Prof. Avinash K Agarwal joined IIT Kanpur in 2001. His areas of interest are IC engines, combustion, alternative fuels, conventional fuels, optical diagnostics, laser ignition, HCCI, emission and ...
WhatsApp: +86 18203695377Underground coal gasification (UCG) is an industrial process that converts coal into product gas (syngas). This technology makes it possible to obtain energy without mining coal and postprocessing.
WhatsApp: +86 18203695377In the present work, a comprehensive mathematical model of coal gasification in a metallurgical ironmaking reactor is conducted using commercial code, ANSYS FLUENT It is an important means in understanding conversion behaviors of coal particles and characterizing the velocities, temperature, species concentrations and reaction rates for ...
WhatsApp: +86 18203695377Gasification of biomass for power generation has only been proven in small scales. Most biomass gasification applications demonstrated to date for electric power have power output less than 10 MW (Heschel and Klose 1995). Biomass is also being investigated for cogasification with coal to reduce fossilbased CO 2 emissions.
WhatsApp: +86 18203695377Abstract. This book addresses the science and technology of the gasification process and the production of electricity, synthetic fuels and other useful chemicals. Pursuing a holistic approach, it ...
WhatsApp: +86 18203695377Underground Coal Gasification (UCG) is one such system. This paper reviews the importance of clean energy production, the UCG processes, conditions for operation of UCG, gas clean up procedure and ...
WhatsApp: +86 18203695377Gasification is a technological process that can convert any carbonaceous (carbonbased) raw material such as coal into fuel gas, also known as synthesis gas (syngas for short). Gasification occurs in a gasifier, generally a high temperature/pressure vessel where oxygen (or air) and steam are directly contacted with the coal or other feed material causing a series of chemical reactions to ...
WhatsApp: +86 18203695377Compared to conventional methods, coal gasification process has a positive effect on human life and nature by reducing air pollution. After the coal gasification process, the products (tar, NOx, SOx, dioxins, furans, hydrocarbons and CO) leaving the reactor should be checked before discharging into ambient air [116, 117]. Solid wastes released ...
WhatsApp: +86 18203695377To undertake basic and applied research in the area of gasification of coal, biomass, petcoke towards development of suitable gasification technology and selection criterion visàvis utilization strategy along with syngas utilization towards different applications including methanol and chemicals. ... Cogasification of coal and biomass, CSIR ...
WhatsApp: +86 18203695377Council of Scientific and Industrial Research (CSIR) Ministry of Science and Technology, India. Toggle navigation ... Sonochemical Processing of Coal and Minerals; Process Intensification by Cavitation ... Suddhasatwa Basu, Sanjay M. Mahajani. Applied mineralogical investigation on coal gasification ash. Waste Management, Volume 167 ...
WhatsApp: +86 1820369537715 16 November 2022, Hyatt Centric, New Delhi. "Aatma Nirbhar Bharat Gasify 100MT coal by 2030. Rs 20,000 crore will be invested in coal gasification projects by 2030 for ecofriendly utilisation of the fuel, which is abundantly available in the country. With this technology, coal can be gasified to turn it into a clean syngas or synthesis ...
WhatsApp: +86 18203695377A fluidized bed gasification pilot plant has been designed and installed at CSIRCentral institute of Mining and Fuel Research to cater the present need of technology development with high ash coals. The activity was also included under clean coal technology development programme under 11th Five year plan, Govt. of India.
WhatsApp: +86 18203695377Despite the increasing need for chemicals and energy, the scenario in which fossil feedstocks can be completely replaced by renewables is currently unrealistic. Thus, the combination of biomass and nonrenewable matrixbased (, coal) technologies could provide a greener way toward the partial substitution of traditional fuels. The hydrogasification of carbonaceous feedstocks (coal and ...
WhatsApp: +86 18203695377The cold gas efficiency is a crucial indicator of the energy usage efficiency of the coal gasification process, calculated as follows: (3) CGE = G s y n L H V s y n G c o a l L H V c o a l. where G syn and LHV syn represent the mass flow rate and lower heating value of the syngas exiting the gasifier, respectively. Exergy analysis
WhatsApp: +86 18203695377CSIR Materials Science and Manufacturing, Pretoria, South Africa Email: (aengelbr ) ABSTRACT ... coal gasification process for incorporation into future IGCC plants.
WhatsApp: +86 18203695377Depending on the gasification technology employed, significant quantities of water (H 2 O), CO 2, and methane (CH 4) can be present in the synthesis gas as well as several minor and trace components (Higman and van der Burgt, 2003).Under the substoichiometricreducing conditions of the gasifier, most of the fuel's sulfur converts to hydrogen sulfide (H 2 S), but some (310%) also converts to ...
WhatsApp: +86 18203695377Coal gasification is a thermochemical process in which heat and pressure break down coal into its basic chemical constituents. The resulting "syngas" is comprised primarily of carbon monoxide and hydrogen, and occasionally other gaseous compounds. Syngas can be used for electricity production, used in energyefficient fuel cell technology ...
WhatsApp: +86 18203695377Fluidised bed gasification is being evaluated by the CSIR as a potential fine coal gasification process for incorporation into future IGCC plants. A suite of four South African coals has been identified as being possible fuels for power stations which would operate for three or four decades, towards the middle of this century. ...
WhatsApp: +86 18203695377This heat can be generated in DRI plants due to presence of CO in syn Gas being produced from coal gasification process. In light of the above, Ministry of Coal has constituted 2 Committees today, one to oversee the program and another of experts to give guidance to the Ministry. This is aimed for contributing to PM's agenda of a hydrogen ...
WhatsApp: +86 18203695377A process named OLGA (an acronym for the oilbased gas washer in Dutch) has been recently developed by the Energy Research Centre of the Netherlands for warm gas tar cleaning (Rueda and Helsen, 2019). This process aims to combine the advantages of hot gas cleanup (HGC) and cold gas cleanup (CGC) system without taking their disadvantages.
WhatsApp: +86 18203695377To achieve a stable slagtapping process in entrainedflow coal gasifiers, the acceptable viscosity of coal ash slag is within 525 Pa·s in the temperature range °C and the tapping ...
WhatsApp: +86 18203695377A wide range of research, development, and demonstration (RDD) activities are being conducted to improve the fuel and product versatility, carbon footprint, efficiency, and economics of gasification processes. Current work focuses on gasification of mixed feedstocks including wastes, waste coal, and biomass, for production of clean hydrogen and sustainable fuels and chemicals, thereby ...
WhatsApp: +86 18203695377Coal and Energy Division, CSIRNorth East institute of Science Technology, Jorhat785006, Assam, India: ... Development of feasibility assessment model for adaptation of underground coal gasification technology in the NorthEast Region of India. (GAP 0261). ... Life member of Materials Research Society of India. Life Member of Assam Science ...
WhatsApp: +86 18203695377during the mining process when the coal seam ... underground coal gasification. (ECE) Junior Research Fellow CSIRCIMFR, Dhanbad Research Area: Sensor, Wireless Sensor ...
WhatsApp: +86 18203695377Fine coal gasification is a key enabling technology for the implementation of IGCC plants. Fluidised bed gasification is being evaluated by the CSIR as a potential fine coal gasification process for incorporation into future IGCC plants. A suite of four South African coals has been identified as being possible fuels for
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