CN104591475B - 一种餐厨垃圾中油脂物质处理方法 - Google Patents

一种餐厨垃圾中油脂物质处理方法 Download PDF

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CN104591475B
CN104591475B CN201410734084.1A CN201410734084A CN104591475B CN 104591475 B CN104591475 B CN 104591475B CN 201410734084 A CN201410734084 A CN 201410734084A CN 104591475 B CN104591475 B CN 104591475B
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CN104591475A (zh
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郭迎庆
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FUJIAN JIEDA ENVIRONMENTAL PROTECTION Co.,Ltd.
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Changzhou University
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Abstract

本发明涉及一种餐厨垃圾中油脂物质处理方法，属于污水处理领域：利用脂肪酶分解附着在餐饮垃圾样本表面的油脂，去除滤渣，在滤液中加入双氧水摇匀，放入紫外线照射仪中，500W，照射5分钟，将照射好的溶液加入稀盐酸，调节pH为4-6，加入铁粉，充分搅拌2小时，搅拌结束，加入活性炭吸附固体杂质，通过仪器检测，符合国家排放标准，去除率为99％，这种方法去除油脂简单有效，去除率高。

Description

一种餐厨垃圾中油脂物质处理方法
技术领域
本发明属于污水处理领域，涉及到一种餐厨垃圾中油脂物质处理方法。
背景技术
随着经济的快速发展，人们物质生活也不断的提高，餐饮产业以每年10％速度增长。我国城市餐饮业每年要向环境中排放上亿顿的含油脂高浓度有机水、大量油烟、噪音、餐饮废弃物，对水体、土壤、大气等巨大污染。餐厨垃圾中水分高达90％以上，水中含大量的有机物，干物质中脂肪含量也有28％，数量巨大的餐厨垃圾如果进入垃圾收运体系中，不仅会发出阵阵恶臭，而且餐厨中的油脂的酸化侵蚀收运体系中的管道也容易造成排污渠道的堵塞。若这些餐厨垃圾中的油脂被直接排入水体中会使水体复氧能力下降，影响鱼类和其他水生生物的生存。另外由于餐厨废弃油脂中含有大量的不洁成分和致病菌，如不治理直接喂给生畜，很容易导致这些牲畜传染上疾病，因此处理餐厨垃圾油脂就显得尤为重要。餐饮油脂废水中悬浮杂质分为两类：一类是以高分子脂类及生物为主的油类，另一类是以不溶解性蛋白、纤维、的非溶解性有机物形式存在。本发明提供一种有效的处理餐厨垃圾中油脂物质的方法。
发明内容
本发明提供了一种餐厨垃圾中油脂物质处理方法，这种方法去除油脂简单有效，去除率高。为了达成上述目的，采用的具体技术方案是：
(1)现称取50kg餐饮垃圾样本放入垃圾处理装置中，通过仪器测得油脂类含量为350mg/L；
(2)将500g脂肪酶放入35℃的蒸馏水中活化30分钟，放入50kg餐厨垃圾样本中，搅拌2小时，分解附着在餐饮垃圾表面上的油脂；
(3)过滤，去除滤渣，在滤液中加入3L双氧水摇匀，放入紫外线照射仪中，500W，照射5分钟；
(4)将照射好的溶液加入稀盐酸，调节pH为4-6，加入1500g铁粉，充分搅拌2小时；
(5)搅拌结束，加入活性炭吸附固体杂质，通过仪器检测，水中油脂含量为2.5mg/L,符合国家排放标准，去除率为99％。
本发明的应用方法为：
(1)现称取50kg餐饮垃圾样本放入垃圾处理装置中，通过仪器测得油脂类含量为350mg/L；
(2)将500g脂肪酶放入35℃的蒸馏水中活化30分钟，放入50kg餐厨垃圾样本中，搅拌2小时，分解附着在餐饮垃圾表面上的油脂；
(3)过滤，去除滤渣，在滤液中加入3L双氧水摇匀，放入紫外线照射仪中，500W，照射5分钟；
(4)将照射好的溶液加入稀盐酸，调节pH为4-6，加入1500g铁粉，充分搅拌2小时；
(5)搅拌结束，加入活性炭吸附固体杂质，通过仪器检测，水中油脂含量为2.5mg/L,符合国家排放标准，去除率为99％。
具体实施方案：
称取50kg餐饮垃圾样本放入垃圾处理装置中，通过仪器测得油脂类含量为350mg/L，将500g脂肪酶放入35℃的蒸馏水中活化30分钟，放入50kg餐厨垃圾样本中，搅拌2小时，过滤，去除滤渣，在滤液中加入3L双氧水摇匀，放入紫外线照射仪中，500W，照射5分钟，将照射好的溶液加入稀盐酸，调节pH为4-6，加入1500g铁粉，充分搅拌2小时，搅拌结束，加入活性炭吸附固体杂质，通过仪器检测，水中油脂含量为2.5mg/L,符合国家排放标准，去除率为99％。
实例1
称取50kg餐饮垃圾样本放入垃圾处理装置中，通过仪器测得油脂类含量为350mg/L，将500g脂肪酶放入35℃的蒸馏水中活化30分钟，放入50kg餐厨垃圾样本中，搅拌2小时，过滤，去除滤渣，在滤液中加入3L双氧水摇匀，放入紫外线照射仪中，500W，照射5分钟，将照射好的溶液加入稀盐酸，调节pH为4，加入1500g铁粉，充分搅拌2小时，搅拌结束，加入活性炭吸附固体杂质，通过仪器检测，水中油脂含量为2.5mg/L,符合国家排放标准，去除率为99％。
实例2
称取50kg餐饮垃圾样本放入垃圾处理装置中，通过仪器测得油脂类含量为350mg/L，将500g脂肪酶放入35℃的蒸馏水中活化30分钟，放入50kg餐厨垃圾样本中，搅拌2小时，过滤，去除滤渣，在滤液中加入3L双氧水摇匀，放入紫外线照射仪中，500W，照射5分钟，将照射好的溶液加入稀盐酸，调节pH为5，加入1500g铁粉，充分搅拌2小时，搅拌结束，加入活性炭吸附固体杂质，通过仪器检测，水中油脂含量为2.7mg/L,符合国家排放标准，去除率为99％。
实例3
称取50kg餐饮垃圾样本放入垃圾处理装置中，通过仪器测得油脂类含量为350mg/L，将500g脂肪酶放入35℃的蒸馏水中活化30分钟，放入50kg餐厨垃圾样本中，搅拌2小时，过滤，去除滤渣，在滤液中加入3L双氧水摇匀，放入紫外线照射仪中，500W，照射5分钟，将照射好的溶液加入稀盐酸，调节pH为4，加入1500g铁粉，充分搅拌2小时，搅拌结束，加入活性炭吸附固体杂质，通过仪器检测，水中油脂含量为2.9mg/L,符合国家排放标准，去除率为99％。

Claims (1)

1.一种餐厨垃圾中油脂物质处理方法，其特征在于:
(1)现称取50kg餐饮垃圾样本放入垃圾处理装置中，通过仪器测得油脂类含量为350mg/L；
(2)将500g脂肪酶放入35℃的蒸馏水中活化30分钟，放入50kg餐厨垃圾样本中，搅拌2小时，分解附着在餐饮垃圾表面上的油脂；
(3)过滤，去除滤渣，在滤液中加入3L双氧水摇匀，对滤液施加紫外线照射，500W，照射5分钟；
(4)将照射好的溶液加入稀盐酸，调节pH为4-6，加入1.5kg铁粉，充分搅拌2小时；
(5)搅拌结束，加入活性炭吸附固体杂质。
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