Refractory gold ore is gold - containing ore that is resistant to recovery by direct cyanidation and carbon adsorption processesultra - fine grindingn roasting , pressure oxidation and bio - oxidation , the iron sulphide minerals are oxidisedto createsulphur dioxide
In roasting , pressure oxidation and biooxidation , the iron sulphide minerals are oxidisedto createsulphur dioxide
doktorbe Hydrogen Sulphide , which is what makes sour natural gas poisonous , burnsto createSulphur Dioxide
Sulphurbonds with oxygen moleculesto createsulphur dioxide
Dirtcan causesulphur dioxide for people
when sulphur is combustedcreatessulphur - dioxide
roastedto createsulphur dioxide
due to the rise in combustion of fossil fuels(passive) is causedSulphur Dioxide in the air
due to the increase in the burning of fossil fuels(passive) are causedsulphur dioxide in the air
ESA 's Venus Express(passive) discovered bysulphur dioxide
burning coal or oil(passive) 's created bysulphur dioxide
The hardline “ natural ” wine movement ’s decision to abjurehas ledsulphur dioxide
safe limits and acid rain(passive) caused bysafe limits and acid rain
respiratory symptoms and lung diseasecausingrespiratory symptoms and lung disease
first in decades 12:19 pm | 84 ° by Renee Schoof - Jun. 4 , 2010 12:00 AM WASHINGTON - The Environmental Protection Agency on Thursdaysetfirst in decades 12:19 pm | 84 ° by Renee Schoof - Jun. 4 , 2010 12:00 AM WASHINGTON - The Environmental Protection Agency on Thursday
to diseases of the lung and other lung disorders such as wheezing and shortness of breathleadsto diseases of the lung and other lung disorders such as wheezing and shortness of breath
asthma in certain individualscan triggerasthma in certain individuals
asthma or respiratory problems ... 7can triggerasthma or respiratory problems ... 7
air pollutioncausesair pollution
allergic reactions in some people and high levels are unhealthycausesallergic reactions in some people and high levels are unhealthy
from the combustion of heavy fuel oil and gas oil - used on .. 5.3resultingfrom the combustion of heavy fuel oil and gas oil - used on .. 5.3