spent acid

基本解釋

Reserch Progress in Comprehensive Utilization of Spent Acid and Waste Water in Titanium Dioxide Production;
介紹了目前國內(nèi)外鈦白廢酸、廢水的利用與治理技術(shù)。
In conventional acidizing to low permeability reservoir, the formation will be damaged again owing to the unthorough flowback of the spent acid, so foamed acid has been used.
針對應(yīng)用常槼酸化技術(shù)對低滲油層進(jìn)行改造時，由於返排不徹底對其造成二次汙染，故建議使用泡沫酸。
The gel breaking experiments show that the gel breaker in variable-viscosity acid highly contacted with spent acid in the high shear rate contribute to the swift and complete gel breaking.
在高剪切速率下，變黏酸中的破膠劑能與殘酸充分接觸，使其能夠快速、完全的破膠；
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