environment contamin hexaval chromium serious concern it toxic well mutagen carcinogen effect bacteri chromat reduct costeffect technolog detoxif well remov from pollut environ chromium resist reduc bacteria belong arthrobact pseudomona corynebacterium isol from chromit mine overburden seepag sampl orissa india were found toler 1218 dure growth viabl cell isol were also capabl grow reduc 100 quit effici vogel bonner broth under batch cultiv fresh grown cell most potent isol arthrobact suk 1201 reduc 100 48 reduct potenti suk 1201 cell decreas increas concentr increas increas cell densiti attain it maximum 10 10 cell chromat reduc effici suk 1201 promot presenc glucos glycerol while highest reduct 70 25 the reduct process inhibit dival cation similar carbonyl cyanid chlorophenylhydrazon cyclohexyl carbodiimid sodium azid sodium fluorid were inhibitori chromat reduct while 24 dinitrophenol promot process cell permeabil toluen increas effici reduct therebi indic arthrobact suk 1201 indigen chromit mine environ could use ideal tool chromium bioremedi

Satarupa Dey

Baishali Pandit

A. K. Paul

Reduction of Hexavalent Chromium by Viable Cells of Chromium Resistant Bacteria Isolated from Chromite Mining Environment

rock materi properti play import role assess rock mass behaviour passiv rock bolt stabil rock mass restrict relat displac howev may reduc rock materi properti while assess properti rock mass reinforc rock bolt alter caus rock materi properti due drill bolt oper should well understood the present work make attempt studi alter rock materi properti due drill bolt oper the studi has been conduct through physic test natur rock specimen laboratori virgin cylindr specimen intact rock were test under uniaxi compress drill done through specimen fulli grout bolt were instal these specimen were also test under uniaxi compress observ drill has substanti effect uniaxi compress strength modulus simpl problem tunnel analys which demonstr effect alter materi properti strength rock mass around tunnel field condit

Lok Priya Srivastava

Mahendra Singh

Alteration in Material Properties of an Intact Rock due to Drilling and Bolting Operations

increas interest biomin process demand better perform process has led new insight toward mine technolog from engin point view complex network biochem reaction encompass biomin would best perform reactor which allow good control signific variabl result better perform the subprocess equilibrium when rate particular metal ion exampl iron turnov between miner bacteria balanc the primari focus direct toward improv bioprocess kinet first two subprocess chemic reaction metal ion miner later bacteri oxid these subprocess link redox potenti control mainten adequ solid suspens dilut rate uniform mix which optimis bioreactor dure mine oper rate equat base redox potenti ferric ferrousiron ratio have been use describ kinet subprocess this paper review basi process design biomin process emphasi engin paramet conclud better understand engin paramet make biomin process more robust further help establish promis econom feasibl option over other hydrometallurg process worldwid

K. Kundu

A. Kumar

Biochemical Engineering Parameters for Hydrometallurgical Processes: Steps towards a Deeper Understanding

rock mass rate rmr play import role design select support system ghosh 2000 for stabil assess rock mass veri import know amount rock load mobil around develop galleri which estim use rmr singh 2003 barton 1974 bieniawski 1984 ghosh 1992 indian coal mine central mine research instituteindian school mine rock mass rate herein after refer cmriism rmr most use formul design guidelin support paper attempt has been made correl cmriism rmr valu rock load galleri junction differ galleri width rang from 36 48 differ densiti roof rock the propos empir express can help quick design support system underground coal mine work same regim

Avinash Paul

V. M. S. R. Murthy

Ajoy Kumar Singh

Rock Load Estimation in Development Galleries and Junctions for Underground Coal Mines: A CMRI-ISM Rock Mass Rating Approach

while increas mine mechan autom make consider contribut mine product unexpect equip failur plan routin mainten prohibit maximum possibl util sophist mine equip requir signific amount extra capit invest this paper deal aspect maintain predict mine machineri softwar call genrel develop purpos genrel assum failur mine equip caus array factor follow biolog evolut theori genrel simul failur occurr dure time period interest use genet algorithm gas coupl number statist techniqu group case studi focus maintain analysi load haul dump lhd vehicl two differ time interv three month six month the data collect from underground mine sudburi area ontario canada each predict case studi statist test carri out examin similar between predict data set reallif data set same time period the object case studi includ assess applic genrel use reallif data investig impact data size chronolog sequenc predict result

Sihong Peng

Nick Vayenas

Maintainability Analysis of Underground Mining Equipment Using Genetic Algorithms: Case Studies with an LHD Vehicle

About this journal

Journal profile

Meet the editorial board

Editor spotlight

Find out more

This journal's articles appear in a wide range of abstracting and indexing databases, and are covered by numerous other services that aid discovery and access. Find out more about where and how the content of this journal is available.

Abstracting and Indexing

Journal of Mining

Journal of Mining