利用奶制品污泥生产生物柴油、回收钙和合成吸附剂。

IF 9.7 1区环境科学与生态学 Q1 AGRICULTURAL ENGINEERING

Bioresource Technology Pub Date : 2024-12-01 Epub Date: 2024-09-24 DOI:10.1016/j.biortech.2024.131494

Shakya Abeysinghe, Won-Gune Jeong, Eilhann E Kwon, Kitae Baek

{"title":"利用奶制品污泥生产生物柴油、回收钙和合成吸附剂。","authors":"Shakya Abeysinghe, Won-Gune Jeong, Eilhann E Kwon, Kitae Baek","doi":"10.1016/j.biortech.2024.131494","DOIUrl":null,"url":null,"abstract":"Dairy sludge (DS) consists of organic compounds such as lipids and valuable inorganic elements. Biodiesel recovery from dairy sludge extract (DSE), using conventional acid (trans)esterification yielded only 16.5 wt%. In contrast, non-catalytic (trans)esterification generated a substantially higher biodiesel yield of approximately 74.0 wt% due to the method's tolerance for impurities. Defatted dairy sludge (DDS) contained a higher Ca concentration than DS. DDS-produced biochar (DDSB) increased its Ca concentration predominantly in the form of CaO. 91.1% of the Ca was recovered from the DDSB containing Ca. The Ca remaining in the biochar residue (DDSBR) after Ca recovery was in the form of CaCO3. The porous structure developed as the Ca dissolved, implying that DDSBR could be an effective pollutant adsorbent. In this study, a method is proposed to maximize the utilization of DS by producing biodiesel, recovering Ca content, and using it as a pollutant adsorbent.","PeriodicalId":258,"journal":{"name":"Bioresource Technology","volume":" ","pages":"131494"},"PeriodicalIF":9.7000,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Biodiesel production, calcium recovery, and adsorbent synthesis using dairy sludge.\",\"authors\":\"Shakya Abeysinghe, Won-Gune Jeong, Eilhann E Kwon, Kitae Baek\",\"doi\":\"10.1016/j.biortech.2024.131494\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Dairy sludge (DS) consists of organic compounds such as lipids and valuable inorganic elements. Biodiesel recovery from dairy sludge extract (DSE), using conventional acid (trans)esterification yielded only 16.5 wt%. In contrast, non-catalytic (trans)esterification generated a substantially higher biodiesel yield of approximately 74.0 wt% due to the method's tolerance for impurities. Defatted dairy sludge (DDS) contained a higher Ca concentration than DS. DDS-produced biochar (DDSB) increased its Ca concentration predominantly in the form of CaO. 91.1% of the Ca was recovered from the DDSB containing Ca. The Ca remaining in the biochar residue (DDSBR) after Ca recovery was in the form of CaCO3. The porous structure developed as the Ca dissolved, implying that DDSBR could be an effective pollutant adsorbent. In this study, a method is proposed to maximize the utilization of DS by producing biodiesel, recovering Ca content, and using it as a pollutant adsorbent.\",\"PeriodicalId\":258,\"journal\":{\"name\":\"Bioresource Technology\",\"volume\":\" \",\"pages\":\"131494\"},\"PeriodicalIF\":9.7000,\"publicationDate\":\"2024-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Bioresource Technology\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://doi.org/10.1016/j.biortech.2024.131494\",\"RegionNum\":1,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/9/24 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"Q1\",\"JCRName\":\"AGRICULTURAL ENGINEERING\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bioresource Technology","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1016/j.biortech.2024.131494","RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/9/24 0:00:00","PubModel":"Epub","JCR":"Q1","JCRName":"AGRICULTURAL ENGINEERING","Score":null,"Total":0}

引用次数: 0

摘要

乳制品污泥（DS）由脂类等有机化合物和有价值的无机元素组成。使用传统的酸（反式）酯化法从乳制品污泥提取物（DSE）中回收生物柴油，但产量仅为 16.5 wt%。相比之下，由于非催化（反式）酯化法对杂质的耐受性，生物柴油的产量大大提高，约为 74.0 wt%。脱脂乳制品污泥（DDS）中的钙浓度高于 DS。DDS 产生的生物炭（DDSB）主要以 CaO 的形式增加了钙的浓度。91.1% 的钙是从含有钙的 DDSB 中回收的。钙回收后残留在生物炭（DDSBR）中的钙以 CaCO3 的形式存在。多孔结构随着 Ca 的溶解而形成，这意味着 DDSBR 可以成为一种有效的污染物吸附剂。本研究提出了一种方法，通过生产生物柴油、回收钙含量并将其用作污染物吸附剂，从而最大限度地利用 DDS。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Biodiesel production, calcium recovery, and adsorbent synthesis using dairy sludge.

Dairy sludge (DS) consists of organic compounds such as lipids and valuable inorganic elements. Biodiesel recovery from dairy sludge extract (DSE), using conventional acid (trans)esterification yielded only 16.5 wt%. In contrast, non-catalytic (trans)esterification generated a substantially higher biodiesel yield of approximately 74.0 wt% due to the method's tolerance for impurities. Defatted dairy sludge (DDS) contained a higher Ca concentration than DS. DDS-produced biochar (DDSB) increased its Ca concentration predominantly in the form of CaO. 91.1% of the Ca was recovered from the DDSB containing Ca. The Ca remaining in the biochar residue (DDSBR) after Ca recovery was in the form of CaCO₃. The porous structure developed as the Ca dissolved, implying that DDSBR could be an effective pollutant adsorbent. In this study, a method is proposed to maximize the utilization of DS by producing biodiesel, recovering Ca content, and using it as a pollutant adsorbent.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Bioresource Technology 工程技术-能源与燃料

CiteScore

20.80

自引率

19.30%

发文量

2013

审稿时长

12 days

期刊介绍： Bioresource Technology publishes original articles, review articles, case studies, and short communications covering the fundamentals, applications, and management of bioresource technology. The journal seeks to advance and disseminate knowledge across various areas related to biomass, biological waste treatment, bioenergy, biotransformations, bioresource systems analysis, and associated conversion or production technologies. Topics include: • Biofuels: liquid and gaseous biofuels production, modeling and economics • Bioprocesses and bioproducts: biocatalysis and fermentations • Biomass and feedstocks utilization: bioconversion of agro-industrial residues • Environmental protection: biological waste treatment • Thermochemical conversion of biomass: combustion, pyrolysis, gasification, catalysis.