餐厨废油脂一步合成钙皂
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摘要
开发了一种利用餐厨废油脂和氧化钙,在双氧水的催化作用下直接合成金属钙皂的环境友好方法。采用单因素试验优化了皂化温度、皂化时间、物料比、油水比和催化剂用量。结果表明,在最佳工艺条件下,即皂化温度90～95℃、皂化时间4. 0～6. 0 h、催化剂(H_2O_2)用量10 m L(50 g餐厨废油脂)、物料比(餐厨废油脂与氧化钙质量比) 50∶7、油水比(质量比) 1∶4. 5时,皂化率达到95%以上。产品为干燥粒状固体,钙含量为7. 31%,游离酸含量为0. 12%,熔点为131～138℃。
An environment-friendly direct synthesis method of calcium soap by waste cooking oil and CaO was developed in the presence of catalyst H_2O_2. Saponification temperature,saponification time,ratio of materials,mass ratio of oil to water and amount of catalyst were optimized by single factor experiment. The results showed that the saponification rate reached above 95% under the conditions of saponification temperature 90-95 ℃,saponification time 4. 0-6. 0 h,amount of catalyst 10 m L (waste cooking oil mass 50 g),mass ratio of waste cooking oil to CaO 50∶ 7 and mass ratio of waste cooking oil to water1∶ 4. 5. The product was dry granular solid with 7. 31% of calcium,0. 12% of free acid,and its melting point was 131-138 ℃.
An environment-friendly direct synthesis method of calcium soap by waste cooking oil and CaO was developed in the presence of catalyst H_2O_2. Saponification temperature,saponification time,ratio of materials,mass ratio of oil to water and amount of catalyst were optimized by single factor experiment. The results showed that the saponification rate reached above 95% under the conditions of saponification temperature 90-95 ℃,saponification time 4. 0-6. 0 h,amount of catalyst 10 m L (waste cooking oil mass 50 g),mass ratio of waste cooking oil to CaO 50∶ 7 and mass ratio of waste cooking oil to water1∶ 4. 5. The product was dry granular solid with 7. 31% of calcium,0. 12% of free acid,and its melting point was 131-138 ℃.
引文
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[2]OSSIA E K.Preparation and characterization of metal soaps of cocos nucifera seed oil[J].J Appl Sci Environ Manage,2014,182:359-363.
[3]林美娟.无毒金属皂间协同热稳定效果的研究[J].中国塑料,2000,14(10):67-71.
[4]李云雁.利用劣质植物油制取金属皂的研究[J].应用化工,2002,31(1):23-26.
[5]张江峰.有机钙锌皂液稳定剂:CN201010022558.1[P].2010-06-16.
[6]戴述诚,叶勇,琚春梅.油茶废弃物中纳米脂肪酸钙的制备与应用研究[J].中国动物保健,2017,19(9):86-88.
[7]郝青,王洪荣,周永康,等.大豆油脂肪酸钙制备工艺优化研究[J].饲料工业,2008,29(9):10-14.
[8]BHATT R S,SAHOO A,KARIM S A,et al.Effects of calcium soap of rice bran oil fatty acids supplementation alone and with DL-α-tocopherol acetate in lamb diets on performance,digestibility,ruminal parameters and meat quality[J].J Anim Physiol Anim Nutr,2016,100:578-589.
[9]王洪荣,郝青,喻礼怀,等.棕榈油脂肪酸钙制备工艺优化研究[J].扬州大学学报(农业与生命科学版),2011,32(4):70-78.
[10]BHATT R S,SAHOO A,GADEKAR Y P.Production performance of lambs on milk replacer during preweaning followed by post-weaning linseed and calcium soap supplementation[J].Anim Feed Sci Technol,2018,240:145-156.
[11]刘中其.一步法制造羊毛脂钙皂[J].精细化工,2002,20(2):115-118.
[12]周瑜,梁良,石向群,等.不同种源预知子籽的油脂含量及其油脂脂肪酸组成分析[J].中国油脂,2018,43(3):83-87.
[13]刘伟.利用废油脂制备金属皂及产品性能和应用的研究[D].天津:天津科技大学,2005.
[14]杨凯华,蒋剑春,聂小安,等.生物柴油的制备及其副产物粗甘油分离与精制工艺的研究[J].生物质化学工程,2006,40(1):1-4.
[15]孙启梅,张霖,王领民,等.生物柴油副产物甘油的分离提纯工艺进展[J].化工进展,2017,36(S1):155-160.