含硫化合物对石油加工及其产品应用的危害是多方面的，如腐蚀金属设备，造成催化剂中毒，影响产品质量等。
The harms of sulfides come from many aspects to petroleum refining and product application, e. g. eroding metallic equipment, making catalyst poisoning, affecting on products output.
催化裂化原料中钠、钙等金属元素的含量较高时会导致催化剂结块、中毒。
The metal elements such as sodium and calcium in catalytic cracking feed were poisonous to the catalyst.
石油产品中痕量砷的存在可使某些贵金属催化剂中毒，为此研究出了一种简单、快速的测砷方法。
Trace amount of arsenic in petroleum products is poisonous to some catalysts containing noble metals. Therefore, a cheap and fast method for arsenic determination is searched.
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