1. Microbial conversion of waste biomass into bioethanol: current challenges and future prospects

   • Nitin Verma
   • Vivek Kumar

   Review Article 11 August 2021 Pages: 6419 - 6456

2. Recent trends and future perspectives of lignocellulose biomass for biofuel production: a comprehensive review

   • Abdul Sattar Jatoi
   • Sikandar Ali Abbasi
   • Arshad Iqbal

   Review Article 22 August 2021 Pages: 6457 - 6469

   

3. Comparison of different chemical pretreatments for their effects on fermentable sugar production from miscanthus biomass

   • Recep Irfan Nazli
   • Osman Gulnaz
   • Veyis Tansi

   Original Article 11 May 2021 Pages: 6471 - 6479

   

4. Numerical and experimental studies of the pyrolysis of lignocellulosic compounds

   • Tamer M. Ismail
   • Khaled Ramzy

   Original Article 02 August 2021 Pages: 6481 - 6500

   

5. Optimization and characterization of pectin recovered from Persea americana peel using statistical and non-statistical techniques

   • Selvaraju Sivamani
   • Prema Binnal
   • Ponmurugan Karuppiah

   Original Article 25 July 2021 Pages: 6501 - 6514

   

6. Mechanical and microstructure properties of cassava peel ash–based kenaf bio-fibrous concrete composites

   • Ezekiel B. Ogunbode
   • Bemgba B. Nyakuma
   • Helen G. Nmadu

   Original Article 20 May 2021 Pages: 6515 - 6525

   

7. Impact of Applying Technique for Dual Frequency Sonication on Esterification

   • Tanakorn Wongwuttanasatian
   • Pakawadee Kaewkannetra
   • Varinrumpai Seithtanabutara

   Original Article 28 June 2021 Pages: 6527 - 6542

   

8. Waste to fuel: biodiesel production from bitter orange (Citrus aurantium) seed as a novel bio-based energy resource

   • S. Almasi
   • G. Najafi
   • M. T. Ebadi

   Original Article 16 June 2021 Pages: 6543 - 6552

   

9. Pilot-scale development of pressurized fixed-bed gasification for synthesis gas production from biomass residues

   • Esa Kurkela
   • Minna Kurkela
   • Ilkka Hiltunen

   Original Article Open access 04 May 2021 Pages: 6553 - 6574

   

10. Pyrolysis behaviors of rapeseed meal: products distribution and properties

    • Yifan Sun
    • Chao Li
    • Xun Hu

    Original Article 24 July 2021 Pages: 6575 - 6590

    

11. Recovery of high-value bioactive phytochemicals from agro-waste of mango (Mangifera indica L.) using enzyme-assisted ultrasound pretreated extraction

    • Tehmina Sharif
    • Haq Nawaz Bhatti
    • Muhammad Bilal

    Original Article 19 May 2021 Pages: 6591 - 6599

    

12. Optimization of fuel properties in two different peat reserve areas using surface response methodology and square regression analysis

    • Minhaj Uddin Monir
    • Md. Yeasir Hasan
    • Md. Nazwanul Haque

    Original Article 24 June 2021 Pages: 6601 - 6621

    

13. Optimization of enzymatic hydrolysis conditions of chemical pretreated cotton stalk using response surface methodology for enhanced bioethanol production yield

    • Oznur Yildirim
    • Dogukan Tunay
    • Bestami Ozkaya

    Original Article 14 July 2021 Pages: 6623 - 6634

    

14. Biogas production from anaerobic co-digestion using kitchen waste and poultry manure as substrate—part 1: substrate ratio and effect of temperature

    • Md Anisur Rahman
    • Razu Shahazi
    • Abu Yousuf

    Original Article 09 June 2021 Pages: 6635 - 6645

    

15. Co-combustion properties of torrefied rice straw-sub-bituminous coal blend and its Hardgrove Grindability Index

    • Mandeep Singh
    • Ashish Gupta
    • S. R. Dhakate

    Original Article 09 July 2021 Pages: 6647 - 6661

    

16. Tannase production through solid-state fermentation of Shorea robusta deoiled seed cake: an industrial biomass using Aspergillus flavus TF-8 for potential application in gallic acid synthesis

    • Samsher Singh
    • Amarjeet Kaur
    • Anshu Gupta

    Original Article 16 June 2021 Pages: 6663 - 6673

    

17. Kinetic modeling of CO₂ gasification of biochars prepared from Brazilian agro-industrial residues: effect of biomass indigenous mineral content

    • Tatiana Ramos Pacioni
    • Diniara Soares
    • Humberto Jorge José

    Original Article 01 July 2021 Pages: 6675 - 6688

    

18. Thermal and mechanical characteristics of local firewood species and resulting charcoal produced by slow pyrolysis

    • Michael Lubwama
    • Vianney Andrew Yiga
    • Harriet Nalubega Lubwama

    Original Article Open access 07 August 2021 Pages: 6689 - 6704

    

19. The efficient conversion of D-Fructose to 5-Hydroxymethylfurfural using organic acids as catalytic promoters

    • Siripit Songtawee
    • Wasawat Kraithong
    • Kajornsak Faungnawakij

    Original Article 24 June 2021 Pages: 6705 - 6714

    

20. Formulation and Tribological property evaluation of rice bran oil based lubricating grease with sebacic acid as a complexing agent

    • Ananthan D. Thampi
    • Gokul Biju
    • Rani S.

    Original Article 07 June 2021 Pages: 6715 - 6726

    

21. The O-factor: using the H-factor concept to predict the outcome of organosolv pretreatment

    • Prajin Joseph
    • Mihaela Tanase Opedal
    • Størker T. Moe

    Original Article Open access 13 July 2021 Pages: 6727 - 6736

    

22. Fabrication of activated carbon electrodes derived from peanut shell for high-performance supercapacitors

    • Lokesh Pandey
    • Subhajit Sarkar
    • Anurag Gaur

    Original Article 06 July 2021 Pages: 6737 - 6746

    

23. The development of a combined enzymatic and microbial fermentation as a viable technology for the spent coffee ground full utilization

    • Marija D. Milić
    • Aneta V. Buntić
    • Suzana I. Dimitrijević-Branković

    Original Article 02 June 2021 Pages: 6747 - 6759

    

24. Catalytic pyrolysis of coconut shell: a study on product distributions, optimized response surface methodology, and catalytic mechanism of bio-oil production

    • Xiaocui Wei
    • Yang Cao
    • Jin Li

    Original Article 27 July 2021 Pages: 6761 - 6776

    

25. Performance analysis of cold storage system with nanofiller phase change material

    • Ambi Banu Kalai Rajan
    • Shanmuga Sundaram Anandan

    Original Article 29 June 2021 Pages: 6777 - 6786

    

26. Production and antioxidant activity of phenolic compounds from indigo plant waste using pressurized microwave-assisted hydrothermal treatment followed by water extraction

    • Chikako Asada
    • Akihiro Suzuki
    • Yoshitoshi Nakamura

    Original Article 27 July 2021 Pages: 6787 - 6795

    

27. Conversion of rice straw into disposable food-serving bowl via refiner mechanical pulping: an environmentally benign approach to mitigate stubble burning and plastic pollution

    • Shashank Saini
    • Ashish A. Kadam
    • Dharm Dutt

    Original Article 14 July 2021 Pages: 6797 - 6806

    

28. Animal solid waste as a potential renewable biomass energy source: a case study of Jordan

    • Omar Toheeteh Alnhoud
    • Adnan Mohammad Al-Harahsheh
    • Fawzi Irshaid Irshaid

    Original Article 10 July 2021 Pages: 6807 - 6816

    

29. Effects of hydrochloric acid washing on the structure and pyrolysis characteristics of tobacco stalk

    • Miao Liang
    • Ting Yang
    • Junsong Zhang

    Original Article 26 June 2021 Pages: 6817 - 6830

    

30. Pretreatment and optimization of reducing sugar extraction from indigenous microalgae grown on brewery wastewater for bioethanol production

    • Zenebe Yirgu
    • Seyoum Leta
    • Mohammed Mazharuddin Khan

    Original Article 11 August 2021 Pages: 6831 - 6845

    

31. Catalytic pyrolysis of coconut oil soap using zeolites for bio-hydrocarbon production

    • Teguh Kurniawan
    • Achmad Setiawan
    • Yazid Bindar

    Original Article 25 June 2021 Pages: 6847 - 6858

    

32. A sustainable cultivation of microalgae using dairy and fish wastes for enhanced biomass and bio-product production

    • D. Vidya
    • K. Nayana
    • K. Arunkumar

    Original Article 17 August 2021 Pages: 6859 - 6873

    

33. Optimization of physical activation process for activated carbon preparation from water caltrop husk

    • Wen-Tien Tsai
    • Tasi-Jung Jiang

    Original Article 23 July 2021 Pages: 6875 - 6884

    

34. Hydrogen production through steam-assisted glycerol reforming via thermodynamic approach

    • Zulfiqar Ali Bhatti
    • Sania Bhatti
    • Ghulamullah Maitlo

    Original Article 30 July 2021 Pages: 6885 - 6895

    

35. Bioprospecting wild South African microalgae as a potential third-generation biofuel feedstock, biological carbon-capture agent and for nutraceutical applications

    • Elvis Kodzo Ahiahonu
    • William Wilson Anku
    • Mahloro Hope Serepa-Dlamini

    Original Article Open access 28 June 2021 Pages: 6897 - 6912

    

36. Development of activated carbon from KOH activation of pre-carbonized chickpea peel residue and its performance for removal of synthetic dye from drinking water

    • Kousar Jahan
    • Vikram Singh
    • Vivek Verma

    Original Article 23 September 2021 Pages: 6913 - 6923

    

37. Optimization and characterization studies on ecopolyol production from solvothermal acid-catalyzed liquefaction of sugar beet pulp using response surface methodology

    • Murat Erdem
    • Emre Akdogan
    • Alper Bekki

    Original Article 15 May 2021 Pages: 6925 - 6940

    

38. Pretreatment of corn cobs using 1-butyl-3-methylimidazolium tetrafluoroborate and dimethyl sulfoxide to enhance enzymatic saccharification

    • Manita Kuntapa
    • Kaokanya Sudaprasert
    • Chakrit Tachaapaikoon

    Original Article 03 August 2021 Pages: 6941 - 6952

    

39. Torrefaction of agro-wastes (palmyra palm shell and redgram stalk): characterization of the physicochemical properties and mechanical strength of binderless pellets

    • Vallu Ramakrishna
    • Ashok K. Singh
    • Arnold L Usham

    Original Article 30 July 2021 Pages: 6953 - 6971

    

40. Effects of pistachio green hull crude extract and its polyphenol fraction on oxidative stability of sunflower oil during accelerated storage

    • Farideh Zandi-Darehgharibi
    • Hedayat Haddadi
    • Aziz A. Fallah

    Original Article 27 September 2021 Pages: 6973 - 6980

    

41. Bacterial cellulase production using grape pomace hydrolysate by shake-flask submerged fermentation

    • Ayse Sultan Kurt
    • Deniz Cekmecelioglu

    Original Article 02 June 2021 Pages: 6981 - 6988

    

42. Integration of corn ethanol and corn stover ethanol processes for improving xylose fermentation performance

    • Jianming Yu
    • Zhaoxian Xu
    • Mingjie Jin

    Original Article 03 July 2021 Pages: 6989 - 6999

    

43. New approach to encapsulation of Trametes versicolor in calcium alginate beads: a promising biological pretreatment method for enhanced anaerobic digestion

    • Omer Uzun
    • Orhan Ince
    • Bahar Ince

    Original Article 05 June 2021 Pages: 7001 - 7009

    

44. Adsorption thermodynamics of cationic dye on hydrolysis lignin-acrylic acid adsorbent

    • Yiqian Zhang
    • Weijue Gao
    • Pedram Fatehi

    Original Article 01 July 2021 Pages: 7011 - 7026

    

45. H₃PO₄-modified Lagerstroemia speciosa seed hull biochar for toxic Cr(VI) removal: isotherm, kinetics, and thermodynamic study

    • Ahmad Nawaz
    • Bineeta Singh
    • Pradeep Kumar

    Original Article 27 July 2021 Pages: 7027 - 7041

    

46. Experimental and mathematical nonlinear rheological characterization of chicken fat oil-a sustainable feedstock for biodiesel

    • Abrar Faisal
    • Fahed Javed
    • Fahad Rehman

    Original Article 10 June 2021 Pages: 7043 - 7050

    

47. Effects of co-substrates’ mixing ratios and loading rate variations on food and agricultural wastes’ anaerobic co-digestion performance

    • Nour El Houda Chaher
    • Nils Engler
    • Michael Nelles

    Original Article Open access 08 July 2021 Pages: 7051 - 7066

    

48. A green and efficient way to improve sugar recovery of wheat straw by ultrasonic-assisted xylanase pretreatment

    • Ying Sui
    • Yu Cui
    • Guoxin Sun

    Original Article 23 June 2021 Pages: 7067 - 7078

    

49. Influence of pre-treatments and anaerobic co-digestion of slaughterhouse waste with vegetable, fruit and flower market wastes for enhanced methane production

    • Velusamy Mozhiarasi
    • Christopher Josef Speier
    • Srinivasan Shanmugham Venkatachalam

    Original Article 08 July 2021 Pages: 7079 - 7096

    

50. Thermal analysis of the physicochemical properties of organic waste to application in the compost process

    • Rosa Natalia Carmona Pardo
    • Gladis Miriam Aparicio Rojas
    • Luz Marina Florez

    Original Article 16 August 2021 Pages: 7097 - 7109