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| 石灰制备轻质碳酸钙在双胶纸中的应用研究与工程实践 |
| Application Research and Engineering Practice in Offset Paper of Light Calcium Carbonate Prepared from Lime |
| 收稿日期：2023-03-16 |
| DOI：10.11980/j.issn.0254-508X.2023.10.020 |
| 关键词: 石灰 填料 轻质碳酸钙 灰分 平滑度 |
| Key Words:lime filler light calcium carbonate ash smoothness |
| 基金项目: |
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| 摘要:本研究利用碱回收锅炉剩余烟气和石灰自制轻质碳酸钙（PCC），并应用于双胶纸生产。与外购PCC相比，自制PCC成纸的灰分含量提高4个百分点左右，不透明度、白度分别提升2个百分点和3个百分点。项目投产后，控制填料总成本不变，双胶纸平均定量降低了0.3 g/m2，不透明度提升了2个百分点，平滑度提升了3 s，厚度和印刷表面强度也略有提升。 |
| Abstract:Residual fume and lime from an alkali recovery boiler were used to produce its self-prepared light calcium carbonate （PCC） for offset paper production. Compared with purchased PCC， the ash dosage of paper with self-prepared PCC was improved by 4 percentage points， opacity and whiteness were improved by 2 percentage points and 3 percentage points， respectively. After project commissioning， when the total cost of filler was kept constant， the average basis weight of offset paper was reduced by 0.3 g/m2， opacity was improved by 2 percentage points， smoothness was improved by 3 s， and thickness and print surface strength were also slightly improved. |
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