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实验主要探讨了废报纸中性亚硫酸钠脱墨的工艺条件。实验结果表明,其最佳工艺条件为:亚硫酸钠用量(3～4)％,pH值6～7,温度(60～70)℃,浆浓(7～9)％,脱墨时间75min。
The experiment mainly discusses the technological conditions of neutral sodium sulfite deinking of waste newspaper. The experimental results showed that the optimum conditions were as follows: dosage of sodium sulfite (3 ~ 4)%, pH value of 6 ~ 7, temperature of 60 ~ 70 ℃, pulp concentration of 7 ~ 9% and deinking time of 75 min.