GGR333H5 Lecture Notes - Lecture 4: Crime Prevention, Homeschooling, Smog
Document Summary
Process for converting coal partially or completely to combustible gas. Adding h (steam) + heating coal in absence of air. Gas: 50% heating value of natural gas. Different (cid:498)varieties(cid:499) (cid:523)or uses(cid:524: residential, industrial, street lighting. Cement (cid:498)us is the saudi arabia of coal(cid:499) Surface mining erosion, loss of habitat, dust pollution. Coal burning particulate emission, smog, acid rains, ghgs, radiation. Coal mining acid mine drainage: minerals dissolve, seep into ground, and surface water. Crude oil(s) increased us coal export to eu. New coal plants being built in many places (especially china) But energy (cid:498)joker card(cid:499) (cid:523)shale gas(cid:524) reduced coal consumption in usa, and content (cid:523)(cid:498)sour(cid:499): >(cid:882). 5-(cid:883)% or (cid:498)sweet(cid:499): heavy & sour than wti)
