CN103570198A - 一种利用生活污水培养速生藻类生产生物燃料的工艺方法 - Google Patents

一种利用生活污水培养速生藻类生产生物燃料的工艺方法 Download PDF

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CN103570198A
CN103570198A CN201310602948.XA CN201310602948A CN103570198A CN 103570198 A CN103570198 A CN 103570198A CN 201310602948 A CN201310602948 A CN 201310602948A CN 103570198 A CN103570198 A CN 103570198A
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CN103570198B (zh
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张林楠
洪维哲
王子鑫
刘琦
周顺
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Shenyang University of Technology
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

Abstract

本发明涉及一种利用生活污水培养速生藻类生产和分离生物燃料工艺过程,具体地说,是涉及藻类制备生物燃料的工艺方法。其特征在于:该方法依次由污水藻类驯化过程、藻类培养与水藻膜分离一体化过程、膜分离提油和生物质回收过程三个步骤,本发明的目的在于克服现有技术中存在的不足之处,采用一种利用生活废水、利用速生藻类生产和分离生物燃料工艺方法。

Description

一种利用生活污水培养速生藻类生产生物燃料的工艺方法
技术领域
本发明涉及一种利用生活污水培养速生藻类生产和分离生物燃料工艺过程,具体地说,是涉及藻类制备生物燃料的工艺方法。
背景技术
藻类即使是在贫瘠的地区,利用已污染或含盐分的水也可以生长,只需要阳光、水和二氧化碳,在仅仅一天时间里它的数量就能够翻两番。本项目以产油的藻类放入透明类太阳能培养池进行短周期培养,并进行污水藻类驯化,藻类与培养污水纳滤膜分离过程,进行膜分离提油和回收生物质作为蛋白饲料。本发明涉及一种利用生活污水培养速生藻类生产和分离生物燃料工艺过程,具体地说,是涉及藻类制备生物燃料的工艺过程。
具体是以产油的藻类A放入透明类太阳能培养池进行短周期驯化,驯化介质为城市生活污水,驯化时间为3-6个月。驯化后的藻类引入回旋式培养管内,通入城市生活污水和自然辅助添加剂B,采用亲水微滤膜作为处理后清水和增殖藻类的分离屏障,分离推动力为自然高程差。分离后的增殖藻类用憎水陶瓷微滤膜加压过滤,滤饼干燥后作为,其淀粉和藻类蛋白质可以变成动物饲料及其它生物制品。使废水中有机污染物利用率>95%,水回用率>85%,生物质回收率>95%。
发明内容
发明目的:本发明提供一种利用生活污水培养速生藻类生产生物燃料的工艺方法,其目的在于克服现有技术中存在的不足之处,采用一种利用生活废水、利用速生藻类生产和分离生物燃料工艺方法。
技术方案:本发明是通过以下技术方案实施的:
一种利用生活污水培养速生藻类生产生物燃料的工艺方法,其特征在于:该方法依次由污水藻类驯化过程、藻类培养与水藻膜分离一体化过程、膜分离提油和生物质回收过程三个步骤,具体为:
(1)、污水藻类驯化过程:以产油的藻类放入透明类太阳能培养池进行短周期驯化,驯化介质为城市生活污水,驯化时间为3-6个月;
(2)、藻类培养与水藻膜分离一体化过程:驯化后的藻类引入回旋式培养管内,通入城市生活污水和自然辅助添加剂,采用亲水微滤膜作为处理后清水和增殖藻类的分离屏障,分离推动力为自然高程差;
(3)、膜分离提油和生物质回收:分离后的增殖藻类用憎水陶瓷微滤膜加压过滤,滤饼干燥后作为,其淀粉和藻类蛋白质可以变成动物饲料及其它生物制品;
所述的自然辅助添加剂为硅藻土和鸟粪石的混合物,硅藻土和鸟粪石的重量比为1:1~3。
鸟粪石可用磷酸二氢镁替代。
优点及效果:第一,藻类即使是在贫瘠的地区,即使是利用已污染或含盐分的水也可以生长,只需要阳光、水和二氧化碳,在仅仅一天时间里它的数量就能够翻两番。以产油的藻类放入透明类太阳能培养池进行短周期培养,并进行污水藻类驯化。
第二,利用采用亲水微滤膜(截留分子量10000道尔顿)作为处理后清水和增殖藻类的分离屏障,分离推动力为自然高程差,无需动力和附加能源。。
第三,分离后的增殖藻类用憎水陶瓷微滤膜(截留分子量100000道尔顿)加压过滤,滤饼干燥后作为,其淀粉和藻类蛋白质可以变成动物饲料及其它生物制品。使废水中有机污染物利用率>95%,水回用率>85%,生物质回收率>95%。
第四,通过微藻生物燃料多联产,实现二氧化碳减排、污水处理与生物能源制备、生物基产品开发的有机结合,建设多产业组合的循环经济示范基地。
附图说明:图1为本发明的工艺流程图。
具体实施方式:
本发明一种利用生活污水培养速生藻类生产生物燃料的工艺方法,其特征在于:该方法依次由污水藻类驯化过程、藻类培养与水藻膜分离一体化过程、膜分离提油和生物质回收过程三个步骤,具体为:
(1)、污水藻类驯化过程:以产油的藻类放入透明类太阳能培养池进行短周期驯化,驯化介质为城市生活污水,驯化时间为3-6个月;
(2)、藻类培养与水藻膜分离一体化过程:驯化后的藻类引入回旋式培养管内,通入城市生活污水和自然辅助添加剂硅藻土和鸟粪石(磷酸二氢镁)调节营养比例,一般硅藻土:鸟粪石(或磷酸二氢镁)按重量比为1:1~3;采用亲水微滤膜作为处理后清水和增殖藻类的分离屏障,分离推动力为自然高程差;
(3)、膜分离提油和生物质回收:分离后的增殖藻类用憎水陶瓷微滤膜加压过滤,滤饼干燥后作为,其淀粉和藻类蛋白质可以变成动物饲料及其它生物制品。
实施例:沈阳梓策HelioCulture生物质燃料股份有限公司
年产1000吨生物柴油,1000吨生物乙醇,2000吨蛋白饲料,日消纳生产和生活废水1000吨。
本发明利用生活污水培养速生藻类生产和分离生物燃料,为适应生活污水的产生量,例如每1000吨/天选用培养管的规格一般为?500×2000,停留时间48小时,则需要100条培养管并联。具体实施方式按工艺流程如下:
污水藻类驯化:以产油的藻类A放入透明类太阳能培养池进行短周期驯化,驯化介质为城市生活污水,驯化时间为3-6个月。
藻类培养与水藻膜分离一体化过程:驯化后的藻类引入回旋式聚乙烯培养管内,通入城市生活污水1000m3/天和100g/天自然辅助添加剂硅藻土和鸟粪石(磷酸二氢镁)混合物调节营养比例1:1~3,采用亲水微滤膜(截留分子量10000道尔顿)作为处理后清水和增殖藻类的分离屏障,分离推动力为自然高程差,无需动力和附加能源。
膜分离提油和生物质回收:分离后的增殖藻类用憎水陶瓷微滤膜(截留分子量100000道尔顿)加压过滤,滤饼干燥后作为,其淀粉和藻类蛋白质可以变成动物饲料及其它生物制品。使废水中有机污染物利用率>95%,水回用率>85%,生物质回收率>95%。

Claims (2)

1.一种利用生活污水培养速生藻类生产生物燃料的工艺方法,其特征在于:该方法依次由污水藻类驯化过程、藻类培养与水藻膜分离一体化过程、膜分离提油和生物质回收过程三个步骤,具体为:
(1)、污水藻类驯化过程:以产油的藻类放入透明类太阳能培养池进行短周期驯化,驯化介质为城市生活污水,驯化时间为3-6个月;
(2)、藻类培养与水藻膜分离一体化过程:驯化后的藻类引入回旋式培养管内,通入城市生活污水和自然辅助添加剂,采用亲水微滤膜作为处理后清水和增殖藻类的分离屏障,分离推动力为自然高程差;
(3)、膜分离提油和生物质回收:分离后的增殖藻类用憎水陶瓷微滤膜加压过滤,滤饼干燥后作为,其淀粉和藻类蛋白质可以变成动物饲料及其它生物制品;
所述的自然辅助添加剂为硅藻土和鸟粪石的混合物,硅藻土和鸟粪石的重量比为1:1~3。
2.根据权利要求1所述的利用生活污水培养速生藻类生产生物燃料的工艺方法,其特征在于:鸟粪石可用磷酸二氢镁替代。
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