spent acid

基本解释

Reserch Progress in Comprehensive Utilization of Spent Acid and Waste Water in Titanium Dioxide Production;
介紹了目前國內外鈦白廢酸、廢水的利用與治理技術。
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.
針對應用常槼酸化技術對低滲油層進行改造時，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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