The fat in the decomposition process, will release the acidic material.
脂肪在分解的过程中，会释放酸性物质。
An acidic material is added to the cellulose acetate solution, and the filtration is preformed.
将酸性材料加入到乙酸纤维素溶液中，和进行过滤。
To neutralize acidic material from flue gas of regeneration, sodium hydroxide solution is used, and its acidity and alkalinity are regulated by some of ethanolamine.
为中和再生烟气中的酸性物料，需使用氢氧化钠水溶液，调节介质的酸碱度需使用少量的乙醇胺。
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