XIX International Coal Preparation Congress

Mr. Raj K. Sachdev is a qualifi ed Mining Engineer from the Indian School of Mines (IIT), Dhanbad, a Certifi ed First Class Colliery Manager, and a Fellow of Institution of Engineers (India) and Member, Mining, Geological & Metallurgical Institute, India. He is also a Fellow of East – West Centre, Honolulu, Hawaii, USA. During his outstanding professional career, Mr. Sachdev held many senior positions in the Indian coal industry as well in the Government of India. He had played a key role in establishment of Central Mine Planning & Design Institute at Ranchi and its Regional Institutes. His last offi cial position was Adviser in the Ministry of Coal where he was responsible for project appraisal, perspective planning, new technologies, international collaboration and allied coal policy initiatives. He was a Member of Research Council of CFRI (now CIMFR) and also on the Executive Board of the Indian School of Mines (IIT), Dhanbad. He was an Advisor to the Expenditure Reforms Commission constituted by the Government of India to review the organizational structures of various government ministries and departments. He was also associated with multilateral bodies like US-AID, GIZ GmbH, IEA, OECD, IEA Clean Coal Centre, J Coal, Science Applications International Corporation (SAIC) etc. He is the Founder and President of Coal Preparation Society of India (CPSI) and Chairman of the International Organizing Committee (IOC) of the XIX International Coal Preparation Congress (ICPC) held under the aegis of CPSI from 13th to 15th November 2019 in New Delhi, India.

Volume I—

Acknowledgement
Foreword
Editorial
Messages
About International Coal Preparation Congress (ICPC)
About Coal Preparation Society of India (CPSI)
List of IOC Members
1. The economic value of coal in India
2. The status and development of coal preparation and processing in China
3. Coal policy in an era of renewable
4. Russian coal industry innovations and perspectives
5. Coal mining and coal preparation in Vietnam
6. When to blend raw coal with clean coal from full-wash thermal coal preparation plants – case studies from Indian and US coals
7. Recommended practices for design and engineering of heavy media based coal preparation plants
8. Mongolia’s first gravity fed 3-product heavy medium cyclone coal washing plant
9. What efficiency parameters are crucial to washery operations?
10. The intelligent coal preparation plant
11. The study and modeling of coals and cokes behavior with applying thermal analysis technique
12. A study of the effects of thermal shocks on liberation characteristics of high coal ash particles
13. Thermal enrichment of high-volatile coals
14. Characterization, beneficiation and carbonization study of some low volatile high rank coals and high volatile low rank coals of Damodar valley basin: Resource identification for augmentation of indigenous coking coal
15. Beneficiation and carbonization studies of low volatile coking coals of Jharia for metallurgical uses
16. Optimisation of dense medium separator performance
17. Recommissioning of densifiers at export plant
18. A dynamic simulation model for a single stage dense medium cyclone circuit
19. Overview of prospective coal processing technologies
20. Beneficiation strategies for Indian coals
21. Coking coal’s journey from ground to blast furnace
22. Washing of coking coal: A sustainable business endeavour
23. Assessment of technical feasibility of washing low grade coking coals (W-IV/LVMC) to 13% ash content
24. Improving the quality of blend components for coking at the CPP using special mineral additives and semicoking method
25. Re-classification of Indian coking coal
26. Low-grade coal as a precursor for preparation of value-added products for high-end use
27. Computation of coefficients of separation products size grading in the process of preparation of run-of-mine coal machine grades
28. Ash in coal: A source for FREE?
29. On the desirability of abandoning the use of imperfection as an indicator of the effectiveness of gravity coal separation in water pulsation jigs
30. Technological characteristics of coal concentration under the conditions of ever-changing raw material resources base
31. Screens as devices for grain classification and dewatering
32. Dry vibration screening of coal and semicoke
33. The kinetic analysis of the key components of the centralized-driven flip-flow screen
34. Two mass screens: A productivity game-changer
35. Meeting the challenge of coal & limestone preparation at coal based power plants through Liwell® screens
36. Ultra low specific gravity dense medium cyclone separation for production of very low ash “supercoal” products
37. Development of a low specific gravity cutpoint spiral
38. Use of washed thermal coals for power generation in India -tatus and issues
39. Comparison of heavy medium consumptions between raw coal desliming and non-desliming processes
40. New rotary breaker device to improve its efficiency
41. Environmental aspects of decommissioning of a coal industry enterprises
42. Development of an energy-efficient and wear-reduced hydraulic piston press for coal briquetting
43. Mechanism of drying coal fines by means of contact sorption
44. CHRONOS short-cycle non-thermal drying process
45. How far do you have to go – Filtration makes the difference pressure filtration and steam pressure filtration of coal flotation concentrates
46. The process flowsheet design to maximize pyrite rejection and enhance coal heating value using dry beneficiation technology
47. Upgradation of coal by dry deshaling
48. Dry deshaling: Expanding options for cleaning coal
49. Study of dry coal beneficiation in an air pulsated stratifier
50. Dry cleaning of high ash Indian thermal coal using fluidization based vibrating deck
Index.



Volume II—

Acknowledgement
Foreword
Editorial
Messages
About International Coal Preparation Congress (ICPC)
About Coal Preparation Society of India (CPSI)
List of IOC Members
1. To improve flotation of low-grade coal with flotation modifier
2. Beneficiation of high ash coking coal fines using column flotation with new external sparger
3. A case study on effect of water quality on froth flotation performance in coal washery
4. Study on bubble formation mechanism and flotation experiment of jet-mixing flotation unit
5. Improving coking coal availability using hydrophobic hydrophilic separation technology for Indian coals
6. Enrichment of small grain classes: Laboratory scale
7. Economic efficiency of the dry coal separation process: Polish experience
8. Dry beneficiation of small South African coal using an air dense medium fluidization bed
9. Advantages of utilising dry jigging and X-ray sorting technology for coal beneficiation in India
10. Latest developments and experiences in the beneficiation of coal using TOMRA X-ray transmission sorting machines
11. Release analysis of low volatile coking coal fines
12. Structural optimization and experimental study of jet-mixing apparatus based on CFD
13. Creation of flotation machines based on research patterns of coal pulp aeration
14. Characteristics and mechanism research on hydrophobic aggregation of kaolinite particles
15. Mechanical flotation machines for the oxidized coal slurry treatment
16. Research, development and application of TDS in coal preparation industry in China
17. Simulation of a horizontal flow coal winnower
18.Recovery of clean coal from 300-0 mm high ash dirty coal by using both gamma-ray sorter and ZM dry separator at dafeng coal mine
19. Combination of wet and dry jigging for high ash non coking coal beneficiation in India
20. TDS dry sorting benificiation applied for underground coal mine
21. Fundamental errors in sampling, the impact on cost and decision making
22. Coal quality scenario: The Singareni Collieries Company Limited (SCCL)
23. Uncoaler/activater feeder for coal extraction
24. Economic benefits and risks of optimized homogenization in coal stockpiling systems
25. Assessment of coal washability using dual energy: X-ray transmission system
26. Application of the direct optical method for determination of granulometric composition for quality control processes in coal dewatering
27. Development of an online coal washability analyser for treating Indian coals
28. Predictive maintenance system in coal preparation plant: Based on wireless IIoT and big data technology
29. Research on the fault diagnosis of coal preparation equipment based on artificial neural networks
30. Building information modeling and integrated practice in JSC SUEK by the example of the Tugnuy CHPP construction;
31. Innovative ways to develop coal production wastes after bioleaching
32. Utilization and disposal of coal washery rejects: An environmental challenge
33. Waste Management in Opencast Coal Mines
34. Development and creation of environmentally friendly technology and equipment for the processing of coal preparation waste
35. Oil contaminated soil remediation through oil/coal agglomeration
36. Beneficiation of coal washery tailings using conventional and column flotation techniques
37. Discard waste amelioration approaches at Greenside colliery
38. Effect of feed characterization on solid bowl centrifuge performance for dewatering of fine-coal tailings
39. Coal tailings treatment through advanced tailings separation process
40. Environmental protection of dormant historical slurry dams:Case study
41. The importance of high efficiency low emissions technologies for sustainable coal utilisation
42. Determination of rational parameters of mechanoactivated coal briquets
43. Complex processing of ash wastes to recover of valuable components and environmental protection
44. Evolution of coal processing practices at Tata Steel
45. “Coal blending – Finding the right mix for powering thermal power plants in India” – A literature review
46. Coal to chemicals: Scope and challenges
47. Production of geopolymer materials based on waste from mining and processing of hard coal
48. Installation of coal pyrolysis with the improvement of the reactor retort
49. Coal gasification -Opportunities and challenges for India
50. Modelling studies on hydrodynamics of flow inside a solid–liquid fluidizer



Additional Articles –

1. Design construction and operation management innovation practice of ten million tons coal preparation plant
2. Improving management level of coal preparation plant applying modern electronic intelligent information technology
3. Practice of high-frequency dewatering screen for coarse clean coal
4. Practice of treatment of refuse discarded by coal heavy medium separation process using a 3 Mt/a coarse and small coal combined dry cleaning system
5. Research on the fault diagnosis of coal preparation equipment based on artificial neural networks
6. Revolution in coal preparation technology – GDRT coal gangue intelligent separation system
7. Status and prospect of coking coal washing and processing in China
8. Study on dynamic model of secondary optimal cut point in low-quality steam coal jigging
9. The development and application of large screens in China
10. The road of intelligent coal preparation plant- the design and application of intelligent high efficiency pressure filter
Index
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