Zobrazeno 1 - 10
of 51
pro vyhledávání: '"P.C. Borthakur"'
Autor:
P.C. Borthakur, Samit Mukherjee
Publikováno v:
Fuel Processing Technology. 85:157-164
The effect of HCl, HNO3 and H2SO4 at different concentrations on demineralization of high sulphur coal from Boragolai and Ledo colliery of Makum Coalfield, Assam, India was investigated at ambient and 95 °C. The acids, depending on type and concentr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::411d67c7675913516baeb3095c35349e
https://doi.org/10.1016/s0378-3820(03)00140-1
https://doi.org/10.1016/s0378-3820(03)00140-1
Autor:
P.C. Borthakur, Samit Mukherjee
Publikováno v:
Fuel Processing Technology. 85:93-101
The effects of leaching subbituminous coal samples from Boragolai and Ledo collieries of Makum coal field, Assam, India, with aqueous sodium hydroxide solution on removal of ash and sulphur, were investigated. Mild alkali treatment for relatively sho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f945e337594618093dafe3d34db85979
https://doi.org/10.1016/s0378-3820(03)00139-5
https://doi.org/10.1016/s0378-3820(03)00139-5
Autor:
Pinaki Sengupta, Rajib Lochan Goswamee, D. J. Bharali, P.C. Borthakur, Pinky Saikia, Nabajyoti Saikia, D. Bordoloi
Publikováno v:
Applied Clay Science. 24:93-103
Kaolin available in Deopani, Assam of northeastern region of India was characterized by FTIR, XRD, DTA and by wet chemical analysis methods. The major impurities in the clay are quartz and siderite. Wet sieving of the clay by −53-μm sieve removes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::435284f50bb2327b028315fda5883b7c
https://doi.org/10.1016/s0169-1317(03)00151-0
https://doi.org/10.1016/s0169-1317(03)00151-0
Publikováno v:
Applied Clay Science. 22:93-102
Oil field effluent treatment plant (ETP) sludge contains high amounts of hydrocarbon and its disposal by land filling is a problem. Various methods to utilize the sludge and circumvent the disposal problem have been suggested. The high calorific valu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e34754b0c6ca8e7038d71d2a6bc7b92
https://doi.org/10.1016/s0169-1317(02)00130-8
https://doi.org/10.1016/s0169-1317(02)00130-8
Publikováno v:
Journal of Environmental Engineering. 128:1090-1094
A voluminous and hazardous sludge containing a high amount of hydrocarbons and several trace metals is generated in petroleum oil field effluent treatment plants. The aim of this study was to utilize the sludge in preparing environmentally acceptable
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcf4a1cf6e8310fdbee3fd4d8e3ce397
https://doi.org/10.1061/(asce)0733-9372(2002)128:11(1090)
https://doi.org/10.1061/(asce)0733-9372(2002)128:11(1090)
Publikováno v:
Cement and Concrete Research. 32:1717-1724
The physicochemical characteristics of cocalcined kaolin and petroleum effluent treatment plant (ETP) sludge and its effect on the technological and hydration characteristics of cement have been presented. Conductivity measurements indicate that both
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55d547ce8a607f5e5be6aa8227d23851
https://doi.org/10.1016/s0008-8846(02)00865-7
https://doi.org/10.1016/s0008-8846(02)00865-7
Publikováno v:
Cement and Concrete Research. 32:297-302
Petroleum effluent treatment plant (ETP) sludge contains hydrocarbons and its ash is pozzolanic in character. The hydrocarbon may be utilized in the calcination of clay. The present communication reports on the hydration behaviour of lime–metakaoli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0cc3b054fd7a5b73e5cb22a6d823124
https://doi.org/10.1016/s0008-8846(01)00676-7
https://doi.org/10.1016/s0008-8846(01)00676-7
Publikováno v:
Energy & Fuels. 15:1418-1424
The effect of hydrogen peroxide solution alone and in the presence of dilute sulfuric acid on desulfurization and demineralization of coal collected from the Makum coalfield situated at North-Eastern region, India, was investigated and the process co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be19f86708a37e4b135ab7af4556c091
https://doi.org/10.1021/ef010061y
https://doi.org/10.1021/ef010061y
Publikováno v:
Scopus-Elsevier
Cold bonded pelletization processes developed for utilization of iron ore fines and slimes require about 10% or more cementitious binders. Reduction of the cost of the pellet and its gangue content require reduction of the amount of binder. This comm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ced6474ab8b99019f50eda0b50278d4
https://doi.org/10.1016/s0301-7516(96)00033-6
https://doi.org/10.1016/s0301-7516(96)00033-6
Publikováno v:
Cement and Concrete Research. 25:1095-1102
An investigation of the hydration behaviour of ordinary Portland cement clinker in the presence of coal, coke, and charcoal has been carried out. The physico-chemical characteristics of cement are greatly influenced by these materials. The water requ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5efcddeb15549b2b81c77100f4fee5d
https://doi.org/10.1016/0008-8846(95)00104-k
https://doi.org/10.1016/0008-8846(95)00104-k