| 王月华1，刘玉兰2，李超群1，郝秀云1，程芳园1，王 萍1.油脂脱色废白土二次煅烧再生工艺的研究[J].中国油脂,2019,44(11):116~117.[WANG Yuehua1, LIU Yulan2, LI Chaoqun1, HAO Xiuyun1,
CHENG Fangyuan1, WANG Ping1.Regeneration of spent bleaching clay by secondary calcination[J].China Oils and Fats,2019,44(11):116~117.] |
| 油脂脱色废白土二次煅烧再生工艺的研究 |
| Regeneration of spent bleaching clay by secondary calcination |
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出版日期：2019-11-20
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| DOI：10.12166/j.zgyz.1003-7969/2019.11.023 |
| 中文关键词: 脱色废白土 二次煅烧 脱色效果 循环利用 白土再生 |
| 英文关键词:spent bleaching clay secondary calcination bleaching effect recycling recycled clay |
| 基金项目: |
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| Author Name | Affiliation | | WANG Yuehua1, LIU Yulan2, LI Chaoqun1, HAO Xiuyun1,
CHENG Fangyuan1, WANG Ping1 | 1.R&D Center of Shandong Sanxing Group, Binzhou 256209, Shandong,China
2.College of Food Science and Technology,Henan University of Technology,Zhengzhou 450001,China |
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| 中文摘要: |
| 采用二次煅烧对油脂脱色废白土进行再生，对煅烧温度及煅烧时间进行了探索研究。通过实验确定最佳脱色废白土再生条件为520 ℃两次煅烧0.5 h，该条件下所得再生白土脱色率可达7979％，接近于新活性白土的脱色效果（82.18%），实现了循环利用、节约成本、节能降耗、环保安全的目标。 |
| 英文摘要: |
| The spent bleaching clay was regenerated by secondary calcination, and the calcination temperature and calcination time were studied. The optimal regeneration conditions of spent bleaching clay were determined as follows: twice calcination at 520 ℃ for 0.5 h. Under these conditions,the bleaching rate of recycled clay reached 79.79％,close to the bleaching effect of new activated clay(82.18%), which achieved the goal of recycling, cost saving, energy saving, environmental protection and safety. |
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