Sentence examples for sulphide content of from inspiring English sources

The hydrogen sulphide content of the current release is unclear at present.

The total amount of SO2 released during air oxidation at high temperature is a function of the initial calcium sulphide content of the samples.

For all the analysed sorbents, the release of H2S during exposure to a moistened stream of air is a function of the calcium sulphide content of the sorbent.

The ratio between the amount of released sulphur and the amount of sulphur stabilised as sulphate or elemental sulphur is also a function of the initial calcium sulphide content of the sorbent.

The process implemented under these conditions will decrease environment pollution by sulphur dioxide during further lignite burning at least to 55 %–60 % and utilize sulphur in coal in the form of desulphurization gases with hydrogen sulphide content of 7%%.

The results from pilot scale flotation tests on an Outokumpu flotation unit are presented, which confirm that froth flotation is effective to reduce sulphide contents of tailings.

Extrapolating these results to the field scale, suggests that the much slower than expected copper release at the site is due to fractions of waste rock with very low sulphide content, fractions with significant amounts of calcite remaining, and slower weathering rates due to lower temperature, larger particle size and lower oxygen content.

The final apparent conversion achieved during air oxidation of the sulphided sorbents, including particles of sulphided calcium acetate, in the temperature range 800 980°C shows an inverse dependence with the (calcium sulphide content)/ specific surface area) ratio of the sorbents.

The report reads: "This sample resembles an oil-based product very close to petrol, with a high hydrogen sulphide content, a toxic substance, large doses of which may cause immediate death in the event of inhalation".

The optimum temperature values, the ratio oxidant : raw material, and time of coal stay in the reaction zone, which provide the maximum degree of sulphur conversion and hydrogen sulphide content in desulphurization gases, were calculated.

These findings highlight that ammonia pretreatment and ammonia cyanide leaching are promising approaches for the treatment of gold ores with high copper sulphide content.