Perspectives on bio-oil recovery from plastic waste

2020 ◽  
pp. 459-480
Author(s):  
K.S. Rajmohan ◽  
Harshit Yadav ◽  
S. Vaishnavi ◽  
M. Gopinath ◽  
Sunita Varjani
Keyword(s):  
Oil Recovery ◽  
Plastic Waste ◽  
Bio Oil

scholarly journals Catalytic hydrothermal upgrading of pyrolysis oil

2016 ◽  
Vol 1 (4) ◽  
Author(s):  
Moses Otieno Apunda ◽  
Daniel Ogenga
Keyword(s):  
Oil Recovery ◽  
Batch Reactor ◽  
Pyrolysis Oil ◽  
Wood Pellets ◽  
Hydrocarbon Gases ◽  
Ru Catalyst ◽  
Carbon Dioxide Gas ◽  
Bio Oil ◽  
Higher Temperature ◽  
Lower Temperature

Pyrolysis oil from wood pellets was upgraded in this research by catalytic hydrotreatment in a 100 ml batch reactor. Four heterogeneous 5% metal catalysts (Ru, Ni, Rh, and Ni) were used at different hydrotreatment temperatures (250 ºC and 300 ºC). Two different set-ups were also used with formic acid and with only bio-oil. The products of the reforming using two temperature conditions were then analysed and compared. The results showed that higher temperature yielded a lot of char compared to lower temperature giving low bio-oil recovery and poor carbon yield in the bio-oil. Also higher temperature resulted into the production of more carbon dioxide gas and hydrocarbon gases. Ru catalyst appeared to be the best among all the catalysts in reducing the amount oxygen wt-% by 42.12% at 250 ºC. Ru treated bio-oil also registered the highest composition of the lightest compounds of about 88.5% compared to initial bio-oil which only had 30.6%. Elemental analyses results show that all the upgraded bio-oils displayed lower oxygen content than the raw bio-oil with increased hydrogen and carbon composition.

scholarly journals Algae Biomass as a Potential Source of Liquid Fuels

Phycology ◽  
2021 ◽  
Vol 1 (2) ◽  
pp. 105-118
Author(s):  
Marcin Dębowski ◽  
Marcin Zieliński ◽  
Izabela Świca ◽  
Joanna Kazimierowicz
Keyword(s):  
Oil Recovery ◽  
Energy Use ◽  
Alcoholic Fermentation ◽  
Liquid Waste ◽  
Biofuel Production ◽  
Liquid Fuels ◽  
Algae Biomass ◽  
Bio Oil ◽  
Microalgae Biomass ◽  
Economic Analyses

Algae biomass is perceived as a prospective source of many types of biofuels, including biogas and biomethane produced in the anaerobic digestion process, ethanol from alcoholic fermentation, biodiesel synthesized from lipid reserve substances, and biohydrogen generated in photobiological transformations. Environmental and economic analyses as well as technological considerations indicate that methane fermentation integrated with bio-oil recovery is one of the most justified directions of energy use of microalgae biomass for energy purposes. A promising direction in the development of bioenergy systems based on the use of microalgae is their integration with waste and pollution neutralization technologies. The use of wastewater, another liquid waste, or flue gases can reduce the costs of biofuel production while having a measurable environmental effect.

Subcritical Water Hydrolysis of Microalgal Biomass for Protein and Pyrolytic Bio-oil Recovery

2017 ◽  
Vol 10 (4) ◽  
pp. 1005-1017 ◽  
Author(s):  
Neeranuch Phusunti ◽  
Worasak Phetwarotai ◽  
Charndanai Tirapanampai ◽  
Surajit Tekasakul
Keyword(s):  
Oil Recovery ◽  
Subcritical Water ◽  
Microalgal Biomass ◽  
Bio Oil ◽  
Water Hydrolysis ◽  
Subcritical Water Hydrolysis ◽  
Hydrolysis Of

scholarly journals Recent Progress in Low-Cost Catalysts for Pyrolysis of Plastic Waste to Fuels

Catalysts ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 837
Author(s):  
Ganjar Fadillah ◽  
Is Fatimah ◽  
Imam Sahroni ◽  
Muhammad Miqdam Musawwa ◽  
Teuku Meurah Indra Mahlia ◽  
...  
Keyword(s):  
Thermal Decomposition ◽  
Solid Waste ◽  
Recent Progress ◽  
Operating Temperature ◽  
Low Cost ◽  
Product Distribution ◽  
Plastic Waste ◽  
Oil Products ◽  
Bio Oil ◽  
Bimetallic Material

The catalytic and thermal decomposition of plastic waste to fuels over low-cost catalysts like zeolite, clay, and bimetallic material is highlighted. In this paper, several relevant studies are examined, specifically the effects of each type of catalyst used on the characteristics and product distribution of the produced products. The type of catalyst plays an important role in the decomposition of plastic waste and the characteristics of the oil yields and quality. In addition, the quality and yield of the oil products depend on several factors such as (i) the operating temperature, (ii) the ratio of plastic waste and catalyst, and (iii) the type of reactor. The development of low-cost catalysts is revisited for designing better and effective materials for plastic solid waste (PSW) conversion to oil/bio-oil products.

scholarly journals Experimental Investigation on Energy Recovery System for Continuous Biochar Production System

2020 ◽  
pp. 300-310
Author(s):  
Laleet Jawale ◽  
N. L. Panwar ◽  
B. L. Salvi ◽  
Sudhir Jain ◽  
Deepak Sharma ◽  
...  
Keyword(s):  
Oil Recovery ◽  
Production System ◽  
Energy Recovery ◽  
Crop Residues ◽  
Thermochemical Conversion ◽  
Waste Biomass ◽  
Energy Recovery System ◽  
Syngas Production ◽  
Bio Oil ◽  
Recovery System

Fossilfuel requirement is the necessity for fulfilling the global energy needs, which is increasing day by day due to this it will drain in future. Bio-energy became as one of the vital alternatives to replace fossil fuel. Thermochemical conversion of biomass for obtaining the bioenergy is getting more popular in the recent time. In the present study, slow pyrolysis is used for bio-energy production from the waste biomass available in the form of crop residues of Groundnut Shell (GS), Chana Straw (CS) and Wheat Straw (WS) using the developed continuous biochar production system (Pratap Kiln) to produce biochar. An energy recovery system consisting of cooling chamber was developed to recover the bio-oil from the waste flue gas (syngas). The pyrolysis of selected biomass was carried out at 450°C and residence time of about 4 min. The yield of biochar and bio-oil and syngas properties were determined. The maximum biochar yield was found in CS feedstock as 35% followed by WS and GS, i.e. 33% and 29%, respectively. The bio-oil recovery in GS, CS and WS was 31%, 26% and 30% respectively, whereas the syngas production was 40%, 39% and 37% respectively.

Bio-oil recovery from olive mill wastewater in sub-/supercritical alcohol-water system

Fuel ◽  
2019 ◽  
Vol 252 ◽  
pp. 360-370 ◽  
Author(s):  
Loubna Hadhoum ◽  
Gaëtan Burnens ◽  
Khaled Loubar ◽  
Mourad Balistrou ◽  
Mohand Tazerout
Keyword(s):  
Oil Recovery ◽  
Water System ◽  
Olive Mill Wastewater ◽  
Supercritical Alcohol ◽  
Alcohol Water ◽  
Bio Oil ◽  
Olive Mill
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