A.oxygenating
B.oxidizing
C.deoxygenating
D.proportioning
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A.any requirement appointed by the Officer
B.the most suitable requirement
C.the most stringent requirement
D.no requirement
A.plastics
B.comminuted or ground papers, rags, glass, metal etc
C.food waste comminuted or ground
D.Incinerator ash
A.gravity separation
B.use of adsorbents
C.use of flocculents
D.use of chemical addition
A.Raising temperature
B.less use of surfactant
C.more use of solvent
D.polishing device fouling prevention
A.more economic
B.larger capacity on oil treatment
C.less costive
D.more capable of separating emulsified oil
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