Energy and Environmental Performance of Biodiesel Derived From Waste Vegetable and Animal Oils: Integrated Energy Balance, Process Optimization, and Feasibility Assessment.
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| Title: | Energy and Environmental Performance of Biodiesel Derived From Waste Vegetable and Animal Oils: Integrated Energy Balance, Process Optimization, and Feasibility Assessment. |
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| Authors: | Hamid, Atour1 (AUTHOR), Hussein, Hussein Fawzi1 (AUTHOR) hussein.f.hussein@src.edu.iq, Mahdi, Emad Jaleel1 (AUTHOR) |
| Source: | GCB Bioenergy. May2026, Vol. 18 Issue 5, p1-13. 13p. |
| Subject Terms: | *Biodiesel fuels, *Process optimization, *Feasibility studies, *Fats & oils, *Energy consumption, *Vegetable oils, *Ecological impact |
| Abstract (English): | This study quantifies the full energy and environmental performance of biodiesel produced from waste vegetable and animal oils (WVO/WAO) using a rigorously defined system boundary that covers feedstock collection and transport to the processing site, pre‐treatment, transesterification, phase separation, and washing/drying up to the plant gate. A transparent energy accounting framework was developed to apportion primary energy inputs associated with methanol consumption, transport diesel, electricity, and catalyst use, while explicitly propagating ±5% measurement uncertainty into the net energy ratio (NER). Experiments and reconciled calculations based on representative 75‐gal feedstock batches produced approximately 70–75 gal of specification‐compliant biodiesel (ASTM/EN), with glycerin co‐product credits treated conservatively. The representative batch yielded a Net Energy Ratio (NER) of 7.67, while sensitivity and optimization scenarios indicate that NER can approach approximately 7.8–8.2 (median ≈8.0), confirming a strong positive energy return that exceeds typical values reported for biodiesel derived from virgin vegetable oils and remains substantially higher than fossil diesel benchmarks. [ABSTRACT FROM AUTHOR] |
| Abstract (Arabic): | الملخص بالعربية: يهدف هذا البحث إلى تقييم الأداء الطاقوي والبيئي لإنتاج الديزل الحيوي من الزيوت النباتية والحيوانية المستهلكة باستخدام عملية الأسترة والتحويل المحفز بالقلوي. أظهرت النتائج تحقيق نسبة طاقة صافية (NER) تتراوح بين 7.8–8.2، وهي أعلى بكثير من مسارات الوقود الحيوي التقليدية. كما بيّن التحليل أن استرجاع الميثانول وتحسين لوجستيات النقل يؤديان إلى خفض ملموس في استهلاك الطاقة وتكاليف الإنتاج. تميّز الوقود المنتج بمطابقته لمعايير ASTM D6751 و EN 14214 من حيث اللزوجة، رقم السيتان، ونسبة الكبريت، مع خفضٍ لانبعاثات غازات الاحتباس الحراري تجاوز 85% مقارنةً بالديزل الأحفوري. يبرهن هذا العمل أن تحويل مخلفات الزيوت إلى وقود حيوي يمثل خياراً عملياً وفعالاً ضمن مفهوم الاقتصاد الدائري ويسهم في تحقيق أهداف الطاقة المتجددة والتنمية المستدامة لعام 2030. [ABSTRACT FROM AUTHOR] |
| Database: | Energy & Power Source |
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| Header | DbId: enr DbLabel: Energy & Power Source An: 193321857 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Energy and Environmental Performance of Biodiesel Derived From Waste Vegetable and Animal Oils: Integrated Energy Balance, Process Optimization, and Feasibility Assessment. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Hamid%2C+Atour%22">Hamid, Atour</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hussein%2C+Hussein+Fawzi%22">Hussein, Hussein Fawzi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hussein.f.hussein@src.edu.iq</i><br /><searchLink fieldCode="AR" term="%22Mahdi%2C+Emad+Jaleel%22">Mahdi, Emad Jaleel</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22GCB+Bioenergy%22">GCB Bioenergy</searchLink>. May2026, Vol. 18 Issue 5, p1-13. 13p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22Biodiesel+fuels%22">Biodiesel fuels</searchLink><br />*<searchLink fieldCode="DE" term="%22Process+optimization%22">Process optimization</searchLink><br />*<searchLink fieldCode="DE" term="%22Feasibility+studies%22">Feasibility studies</searchLink><br />*<searchLink fieldCode="DE" term="%22Fats+%26+oils%22">Fats & oils</searchLink><br />*<searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink><br />*<searchLink fieldCode="DE" term="%22Vegetable+oils%22">Vegetable oils</searchLink><br />*<searchLink fieldCode="DE" term="%22Ecological+impact%22">Ecological impact</searchLink> – Name: Abstract Label: Abstract (English) Group: Ab Data: This study quantifies the full energy and environmental performance of biodiesel produced from waste vegetable and animal oils (WVO/WAO) using a rigorously defined system boundary that covers feedstock collection and transport to the processing site, pre‐treatment, transesterification, phase separation, and washing/drying up to the plant gate. A transparent energy accounting framework was developed to apportion primary energy inputs associated with methanol consumption, transport diesel, electricity, and catalyst use, while explicitly propagating ±5% measurement uncertainty into the net energy ratio (NER). Experiments and reconciled calculations based on representative 75‐gal feedstock batches produced approximately 70–75 gal of specification‐compliant biodiesel (ASTM/EN), with glycerin co‐product credits treated conservatively. The representative batch yielded a Net Energy Ratio (NER) of 7.67, while sensitivity and optimization scenarios indicate that NER can approach approximately 7.8–8.2 (median ≈8.0), confirming a strong positive energy return that exceeds typical values reported for biodiesel derived from virgin vegetable oils and remains substantially higher than fossil diesel benchmarks. [ABSTRACT FROM AUTHOR] – Name: Abstract Label: Abstract (Arabic) Group: Ab Data: الملخص بالعربية: يهدف هذا البحث إلى تقييم الأداء الطاقوي والبيئي لإنتاج الديزل الحيوي من الزيوت النباتية والحيوانية المستهلكة باستخدام عملية الأسترة والتحويل المحفز بالقلوي. أظهرت النتائج تحقيق نسبة طاقة صافية (NER) تتراوح بين 7.8–8.2، وهي أعلى بكثير من مسارات الوقود الحيوي التقليدية. كما بيّن التحليل أن استرجاع الميثانول وتحسين لوجستيات النقل يؤديان إلى خفض ملموس في استهلاك الطاقة وتكاليف الإنتاج. تميّز الوقود المنتج بمطابقته لمعايير ASTM D6751 و EN 14214 من حيث اللزوجة، رقم السيتان، ونسبة الكبريت، مع خفضٍ لانبعاثات غازات الاحتباس الحراري تجاوز 85% مقارنةً بالديزل الأحفوري. يبرهن هذا العمل أن تحويل مخلفات الزيوت إلى وقود حيوي يمثل خياراً عملياً وفعالاً ضمن مفهوم الاقتصاد الدائري ويسهم في تحقيق أهداف الطاقة المتجددة والتنمية المستدامة لعام 2030. [ABSTRACT FROM AUTHOR] |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=193321857 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1111/gcbb.70110 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 13 StartPage: 1 Subjects: – SubjectFull: Biodiesel fuels Type: general – SubjectFull: Process optimization Type: general – SubjectFull: Feasibility studies Type: general – SubjectFull: Fats & oils Type: general – SubjectFull: Energy consumption Type: general – SubjectFull: Vegetable oils Type: general – SubjectFull: Ecological impact Type: general Titles: – TitleFull: Energy and Environmental Performance of Biodiesel Derived From Waste Vegetable and Animal Oils: Integrated Energy Balance, Process Optimization, and Feasibility Assessment. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Hamid, Atour – PersonEntity: Name: NameFull: Hussein, Hussein Fawzi – PersonEntity: Name: NameFull: Mahdi, Emad Jaleel IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 05 Text: May2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 17571693 Numbering: – Type: volume Value: 18 – Type: issue Value: 5 Titles: – TitleFull: GCB Bioenergy Type: main |
| ResultId | 1 |
