CN108410495A - 一种利用废弃油脂制备的生物燃料及其制备方法 - Google Patents

一种利用废弃油脂制备的生物燃料及其制备方法 Download PDF

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CN108410495A
CN108410495A CN201810135872.7A CN201810135872A CN108410495A CN 108410495 A CN108410495 A CN 108410495A CN 201810135872 A CN201810135872 A CN 201810135872A CN 108410495 A CN108410495 A CN 108410495A
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车春玲
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Shao Jianzhi
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Abstract

本发明属于生物燃料技术领域,具体涉及一种利用废弃油脂制备的生物燃料及其制备方法,包括以下重量份的组分:废弃油脂生物燃料、加氢轻质煤焦油、甲醇20‑30份、异构油15‑25份、芳构油15‑25份、C9 10‑15份、添加剂3‑5份。本发明所述的生物燃料中各组分相互配合,利用废弃油脂转化为生物质燃料,既能够缓解能源紧张的局势,又可以大大降低生物质燃料的成本。

Description

一种利用废弃油脂制备的生物燃料及其制备方法
技术领域
本发明属于生物燃料技术领域,具体涉及一种利用废弃油脂制备的生物燃料及其制备方法。
背景技术
随着社会的发展,石化能源逐渐面向枯竭,为解决石油资源短缺、缓解石油供需矛盾,需要积极开发具有潜力的新型代替再生资源。废弃油脂多由餐饮等行业产生的餐厨垃圾中提取得到,其来源广泛,价格低廉,利用废弃油脂转化为生物质燃料,既能够缓解能源紧张的局势,又可以大大降低生物质燃料的成本。然而,现有技术中的废弃油脂生物质燃料还存在转化率低、重组分含量高,以及不能充分燃烧、燃烧热能低、稳定性差等缺点。
技术方案
为解决上述现有技术中存在的问题,本专利公开了一种利用废弃油脂制备的生物燃料,具体技术方案如下;
一种利用废弃油脂制备的生物燃料,包括以下重量份的组分:废弃油脂生物燃料30-40份、加氢轻质煤焦油20-30份、甲醇20-30份、异构油15-25份、芳构油15-25份、C9 10-15份、添加剂3-5份,所述添加剂包括三乙酸甘油酯5-10份、MTBE 3-5份、异丁醇5-10份、辛醇5-10份、甲缩醛5-10份、阳离子氟碳表面活性剂5-8份、二戊铁3-5份、烃类化合物10-15份、助燃剂10-15份、稳定剂3-5份、抗爆剂3-5份、除臭剂1-4份、分散剂2-5份。
作为优选,所述废弃油脂生物燃料由以下方法制备:
(1)碱催化裂解处理:将40重量份的餐厨垃圾回收油脂加入到反应容器中,加入80重量份的CH2Cl2使油脂充分溶解,然后再加入5份苄基三乙基氯化铵搅拌混合均匀,在机械搅拌条件下加入5mol/L的KOH溶液4份,然后将混合溶液在650℃条件下裂解10mim;
(2)酶解:在所得裂解反应物中加入脂肪酶混合均匀,脂肪酶用量为油脂重量的0.08%,温度为30-35℃,反应时间为48-72h;
(3)水热液化处理:将酶解产物加入高压反应釜中,加入酶解产物3倍重量的蒸馏水,N2加压至2.0 MPa,加热至300℃,以180r/min进行搅拌反应1h,冷却至室温后,放出气体,倒出反应混合物,备用;
(4)萃取:用CH2Cl2萃取反应混合物,然后过滤分离出残渣,CH2Cl2相在40℃条件下旋转蒸发,除去CH2Cl2,即得到废弃油脂生物燃料。
作为优选,所述烃类化合物为异辛烷。
作为优选,所述助燃剂为异丙醚。
作为优选,所述稳定剂为重量比为2:3的二叔丁基对甲酚、异丁胺。
作为优选,所述抗爆剂为甲基环二烯三羰基锰。
作为优选,所述分散剂为聚甲基丙烯酸酯,所述除臭剂为工业香精或除味樟脑。
本发明还公开了上述利用废弃油脂制备的生物燃料的制备方法,具体技术方案如下:
利用废弃油脂制备的生物燃料的制备方法,包括以下步骤:
(1)制备添加剂:在常温常压条件下,将异丁醇、烃类化合物、辛醇、甲缩醛加入配置器中混合均匀,然后加入三乙酸甘油酯、阳离子氟碳表面活性剂、二戊铁、MTBE、 助燃剂、稳定剂、抗爆剂、除臭剂、分散剂混合均匀,然后将上述混好的原料通过防爆离心泵循环混合1-2h,然后静置2h,即得到添加剂,备用;
(2)在常温常压条件下,将废弃油脂生物燃料、加氢轻质煤焦油、异构油、芳构油、C9加入配置器中混合均匀,然后加入添加剂混合均匀,再加入甲醇混合均匀,然后将上述混好的原料通过防爆离心泵循环混合1-2h,然后静置2h,即得到生物燃料。
有益效果
(1)本发明所述的生物燃料中各组分相互配合,燃烧热值高达42000kJ/kg,且产生的废气较少,作为高效、环保的替代燃料具有较大的发展潜力和重要的经济效益、社会价值。利用废弃油脂转化为生物质燃料,既能够缓解能源紧张的局势,又可以大大降低生物质燃料的成本。甲醇、生物乙醇可以提高燃料的含氧量,使燃料能充分燃烧;芳构油可大大提高燃料的辛烷值,从而提高抗爆指数;加氢轻质煤焦油和C9可以提高燃料的热值。
(2)本发明所述的生物质燃料中添加了高效的添加剂,添加剂中三乙酸甘油酯除了可与其他原料配伍,提高燃料的闪点外,还能够在金属的表面形成保护膜,隔离了腐蚀物质与金属表面的接触,从而可以起到防止燃烧对金属的腐蚀,增强了燃料的抗腐蚀性能;助燃剂的加入,可以大大提高燃料的热值;稳定剂可保证燃料在使用过程中的质量稳定,抗爆剂可大幅提高燃料的安全性,分散剂使不溶性物质在燃料中保持分散悬浮状态,以免在发动机的关键部位行成漆状沉积物,同时也能保证燃烧性能良好,降低排气量,减少污染。
(3)本发明所述的废弃油脂生物燃料的制备方法中,将回收油脂进行碱催化裂解处理,可以实现有效的脱氧和降低重组分含量;酶解处理可使油脂转化为所需燃料;水热液化处理,可以产物进一步反应,提高转化率,通过上述方法,所得燃料的产率可高达97.3%。
具体实施方式
实施例1
一种利用废弃油脂制备的生物燃料,包括以下重量份的组分:废弃油脂生物燃料40份、加氢轻质煤焦油30份、甲醇20份、异构油15份、芳构油25份、C9 10份、添加剂5份,所述添加剂包括三乙酸甘油酯5份、MTBE 5份、异丁醇10份、辛醇5份、甲缩醛10份、阳离子氟碳表面活性剂8份、二戊铁5份、烃类化合物15份、助燃剂10份、稳定剂5份、抗爆剂5份、除臭剂1份、分散剂5份。
所述废弃油脂生物燃料由以下方法制备:
(1)碱催化裂解处理:将40重量份的餐厨垃圾回收油脂加入到反应容器中,加入80重量份的CH2Cl2使油脂充分溶解,然后再加入5份苄基三乙基氯化铵搅拌混合均匀,在机械搅拌条件下加入5mol/L的KOH溶液4份,然后将混合溶液在650℃条件下裂解10mim;
(2)酶解:在所得裂解反应物中加入脂肪酶混合均匀,脂肪酶用量为油脂重量的0.08%,温度为35℃,反应时间为48h;
(3)水热液化处理:将酶解产物加入高压反应釜中,加入酶解产物3倍重量的蒸馏水,N2加压至2.0 MPa,加热至300℃,以180r/min进行搅拌反应1h,冷却至室温后,放出气体,倒出反应混合物,备用;
(4)萃取:用CH2Cl2萃取反应混合物,然后过滤分离出残渣,CH2Cl2相在40℃条件下旋转蒸发,除去CH2Cl2,即得到废弃油脂生物燃料。
作为优选,所述烃类化合物为异辛烷。
作为优选,所述助燃剂为异丙醚。
作为优选,所述稳定剂为重量比为2:3的二叔丁基对甲酚、异丁胺。
作为优选,所述抗爆剂为甲基环二烯三羰基锰。
作为优选,所述分散剂为聚甲基丙烯酸酯,所述除臭剂为工业香精或除味樟脑。
上述利用废弃油脂制备的生物燃料的制备方法,包括以下步骤:
(1)制备添加剂:在常温常压条件下,将异丁醇、烃类化合物、辛醇、甲缩醛加入配置器中混合均匀,然后加入三乙酸甘油酯、阳离子氟碳表面活性剂、二戊铁、MTBE、 助燃剂、稳定剂、抗爆剂、除臭剂、分散剂混合均匀,然后将上述混好的原料通过防爆离心泵循环混合1h,然后静置2h,即得到添加剂,备用;
(2)在常温常压条件下,将废弃油脂生物燃料、加氢轻质煤焦油、异构油、芳构油、C9加入配置器中混合均匀,然后加入添加剂混合均匀,再加入甲醇混合均匀,然后将上述混好的原料通过防爆离心泵循环混合2h,然后静置2h,即得到生物燃料。
实施例2
一种利用废弃油脂制备的生物燃料,包括以下重量份的组分:废弃油脂生物燃料30份、加氢轻质煤焦油20份、甲醇30份、异构油25份、芳构油15份、C9 15份、添加剂3份,所述添加剂包括三乙酸甘油酯10份、MTBE 3份、异丁醇5份、辛醇10份、甲缩醛5份、阳离子氟碳表面活性剂5份、二戊铁3份、烃类化合物10份、助燃剂15份、稳定剂3份、抗爆剂3份、除臭剂4份、分散剂2份。
所述废弃油脂生物燃料由以下方法制备:
(1)碱催化裂解处理:将40重量份的餐厨垃圾回收油脂加入到反应容器中,加入80重量份的CH2Cl2使油脂充分溶解,然后再加入5份苄基三乙基氯化铵搅拌混合均匀,在机械搅拌条件下加入5mol/L的KOH溶液4份,然后将混合溶液在650℃条件下裂解10mim;
(2)酶解:在所得裂解反应物中加入脂肪酶混合均匀,脂肪酶用量为油脂重量的0.08%,温度为30℃,反应时间为48h;
(3)水热液化处理:将酶解产物加入高压反应釜中,加入酶解产物3倍重量的蒸馏水,N2加压至2.0 MPa,加热至300℃,以180r/min进行搅拌反应1h,冷却至室温后,放出气体,倒出反应混合物,备用;
(4)萃取:用CH2Cl2萃取反应混合物,然后过滤分离出残渣,CH2Cl2相在40℃条件下旋转蒸发,除去CH2Cl2,即得到废弃油脂生物燃料。
作为优选,所述烃类化合物为异辛烷。
作为优选,所述助燃剂为异丙醚。
作为优选,所述稳定剂为重量比为2:3的二叔丁基对甲酚、异丁胺。
作为优选,所述抗爆剂为甲基环二烯三羰基锰。
作为优选,所述分散剂为聚甲基丙烯酸酯,所述除臭剂为工业香精或除味樟脑。
上述利用废弃油脂制备的生物燃料的制备方法,包括以下步骤:
(1)制备添加剂:在常温常压条件下,将异丁醇、烃类化合物、辛醇、甲缩醛加入配置器中混合均匀,然后加入三乙酸甘油酯、阳离子氟碳表面活性剂、二戊铁、MTBE、 助燃剂、稳定剂、抗爆剂、除臭剂、分散剂混合均匀,然后将上述混好的原料通过防爆离心泵循环混合1h,然后静置2h,即得到添加剂,备用;
(2)在常温常压条件下,将废弃油脂生物燃料、加氢轻质煤焦油、异构油、芳构油、C9加入配置器中混合均匀,然后加入添加剂混合均匀,再加入甲醇混合均匀,然后将上述混好的原料通过防爆离心泵循环混合2h,然后静置2h,即得到生物燃料。
实施例3
一种利用废弃油脂制备的生物燃料,包括以下重量份的组分:废弃油脂生物燃料35份、加氢轻质煤焦油25份、甲醇25份、异构油20份、芳构油20份、C9 13份、添加剂4份,所述添加剂包括三乙酸甘油酯8份、MTBE 4份、异丁醇8份、辛醇8份、甲缩醛9份、阳离子氟碳表面活性剂6份、二戊铁4份、烃类化合物14份、助燃剂13份、稳定剂4份、抗爆剂4份、除臭剂3份、分散剂3份。
所述废弃油脂生物燃料由以下方法制备:
(1)碱催化裂解处理:将40重量份的餐厨垃圾回收油脂加入到反应容器中,加入80重量份的CH2Cl2使油脂充分溶解,然后再加入5份苄基三乙基氯化铵搅拌混合均匀,在机械搅拌条件下加入5mol/L的KOH溶液4份,然后将混合溶液在650℃条件下裂解10mim;
(2)酶解:在所得裂解反应物中加入脂肪酶混合均匀,脂肪酶用量为油脂重量的0.08%,温度为35℃,反应时间为48h;
(3)水热液化处理:将酶解产物加入高压反应釜中,加入酶解产物3倍重量的蒸馏水,N2加压至2.0 MPa,加热至300℃,以180r/min进行搅拌反应1h,冷却至室温后,放出气体,倒出反应混合物,备用;
(4)萃取:用CH2Cl2萃取反应混合物,然后过滤分离出残渣,CH2Cl2相在40℃条件下旋转蒸发,除去CH2Cl2,即得到废弃油脂生物燃料。
作为优选,所述烃类化合物为异辛烷。
作为优选,所述助燃剂为异丙醚。
作为优选,所述稳定剂为重量比为2:3的二叔丁基对甲酚、异丁胺。
作为优选,所述抗爆剂为甲基环二烯三羰基锰。
作为优选,所述分散剂为聚甲基丙烯酸酯,所述除臭剂为工业香精或除味樟脑。
上述利用废弃油脂制备的生物燃料的制备方法,包括以下步骤:
(1)制备添加剂:在常温常压条件下,将异丁醇、烃类化合物、辛醇、甲缩醛加入配置器中混合均匀,然后加入三乙酸甘油酯、阳离子氟碳表面活性剂、二戊铁、MTBE、 助燃剂、稳定剂、抗爆剂、除臭剂、分散剂混合均匀,然后将上述混好的原料通过防爆离心泵循环混合2h,然后静置2h,即得到添加剂,备用;
(2)在常温常压条件下,将废弃油脂生物燃料、加氢轻质煤焦油、异构油、芳构油、C9加入配置器中混合均匀,然后加入添加剂混合均匀,再加入甲醇混合均匀,然后将上述混好的原料通过防爆离心泵循环混合2h,然后静置2h,即得到生物燃料。

Claims (8)

1.一种利用废弃油脂制备的生物燃料,其特征在于,包括以下重量份的组分:废弃油脂生物燃料30-40份、加氢轻质煤焦油20-30份、甲醇20-30份、异构油15-25份、芳构油15-25份、C9 10-15份、添加剂3-5份,所述添加剂包括三乙酸甘油酯5-10份、MTBE 3-5份、异丁醇5-10份、辛醇5-10份、甲缩醛5-10份、阳离子氟碳表面活性剂5-8份、二戊铁3-5份、烃类化合物10-15份、助燃剂10-15份、稳定剂3-5份、抗爆剂3-5份、除臭剂1-4份、分散剂2-5份。
2.根据权利要求1所述的利用废弃油脂制备的生物燃料,其特征在于,所述废弃油脂生物燃料由以下方法制备:
(1)碱催化裂解处理:将40重量份的餐厨垃圾回收油脂加入到反应容器中,加入80重量份的CH2Cl2使油脂充分溶解,然后再加入5份苄基三乙基氯化铵搅拌混合均匀,在机械搅拌条件下加入5mol/L的KOH溶液4份,然后将混合溶液在650℃条件下裂解10mim;
(2)酶解:在所得裂解反应物中加入脂肪酶混合均匀,脂肪酶用量为油脂重量的0.08%,温度为30-35℃,反应时间为48-72h;
(3)水热液化处理:将酶解产物加入高压反应釜中,加入酶解产物3倍重量的蒸馏水,N2加压至2.0 MPa,加热至300℃,以180r/min进行搅拌反应1h,冷却至室温后,放出气体,倒出反应混合物,备用;
(4)萃取:用CH2Cl2萃取反应混合物,然后过滤分离出残渣,CH2Cl2相在40℃条件下旋转蒸发,除去CH2Cl2,即得到废弃油脂生物燃料。
3.根据权利要求1所述的利用废弃油脂制备的生物燃料,其特征在于,所述烃类化合物为异辛烷。
4.根据权利要求1所述的利用废弃油脂制备的生物燃料,其特征在于,所述助燃剂为异丙醚。
5.根据权利要求1所述的利用废弃油脂制备的生物燃料,其特征在于,所述稳定剂为重量比为2:3的二叔丁基对甲酚、异丁胺。
6.根据权利要求1所述的利用废弃油脂制备的生物燃料,其特征在于,所述抗爆剂为甲基环二烯三羰基锰。
7.根据权利要求1所述的利用废弃油脂制备的生物燃料,其特征在于,所述分散剂为聚甲基丙烯酸酯,所述除臭剂为工业香精或除味樟脑。
8.权利要求1-7任一所述的利用废弃油脂制备的生物燃料的制备方法,其特征在于,包括以下步骤:
(1)制备添加剂:在常温常压条件下,将异丁醇、烃类化合物、辛醇、甲缩醛加入配置器中混合均匀,然后加入三乙酸甘油酯、阳离子氟碳表面活性剂、二戊铁、MTBE、 助燃剂、稳定剂、抗爆剂、除臭剂、分散剂混合均匀,然后将上述混好的原料通过防爆离心泵循环混合1-2h,然后静置2h,即得到添加剂,备用;
(2)在常温常压条件下,将废弃油脂生物燃料、加氢轻质煤焦油、异构油、芳构油、C9加入配置器中混合均匀,然后加入添加剂混合均匀,再加入甲醇混合均匀,然后将上述混好的原料通过防爆离心泵循环混合1-2h,然后静置2h,即得到生物燃料。
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CN101948702A (zh) * 2010-09-30 2011-01-19 昆明理工大学 锅炉用醇基生物燃料油及其制备方法
CN104357101A (zh) * 2014-11-06 2015-02-18 金景达(北京)环保动力科技有限公司 一种高效稳定生物柴油复合燃料
CN106497616A (zh) * 2016-11-30 2017-03-15 广西东奇能源技术有限公司 环保型生物燃料
CN106609168A (zh) * 2016-12-30 2017-05-03 广西东奇能源技术有限公司 煤基生物燃料

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101948702A (zh) * 2010-09-30 2011-01-19 昆明理工大学 锅炉用醇基生物燃料油及其制备方法
CN104357101A (zh) * 2014-11-06 2015-02-18 金景达(北京)环保动力科技有限公司 一种高效稳定生物柴油复合燃料
CN106497616A (zh) * 2016-11-30 2017-03-15 广西东奇能源技术有限公司 环保型生物燃料
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