The Experts below are selected from a list of 59265 Experts worldwide ranked by ideXlab platform

Gabriel Wild - One of the best experts on this subject based on the ideXlab platform.

  • steam cracking and steam reforming of waste cooking oil in a tubular stainless steel reactor with wall effects
    Energy & Fuels, 2009
    Co-Authors: Julien Gornay, Lucie Coniglio, Francis Billaud, Gabriel Wild
    Abstract:

    Energy production from renewable Feedstocks that would simultaneously solve ecological problems related to waste disposals would be very attractive. The present work is aimed at showing that atmospheric pressure thermal cracking of waste cooking oil in the presence of steam would be a potential option, particularly when the operating conditions direct the process either toward steam cracking or toward steam reforming in order to produce specific target bioenergy vectors: hydrogen, synthesis gas, or gaseous fuel. A commercial crude waste cooking oil (VEG) was selected as Feed Material. Using a bench-scale continuous flow tubular stainless steel reactor, experiments were conducted to study the final product distribution as a function of temperature, residence time of the Feed Material, extent of dilution, addition of a cracking initiator, and addition of a surface catalytic effect inhibitor. Several operating conditions of the VEG thermal cracking in the presence of steam were identified to meet the above-m...

  • Steam Cracking and Steam Reforming of Waste Cooking Oil in a Tubular Stainless Steel Reactor with Wall Effects
    Energy and Fuels, 2009
    Co-Authors: Julien Gornay, Lucie Coniglio, Francis Billaud, Gabriel Wild
    Abstract:

    Energy production from renewable Feedstocks that would simultaneously solve ecological problems related to waste disposals would be very attractive. The present work is aimed at showing that atmospheric pressure thermal cracking of waste cooking oil in presence of steam would be a potential option, particularly when the operating conditions direct the process either towards steam cracking or towards steam reforming in order to produce specific target bio-energy vectors: hydrogen, synthesis gas, or gaseous fuel. A commercial crude waste cooking oil (VEG) was selected as Feed Material. Using a bench-scale continuous flow tubular stainless steel reactor, experiments were conducted to study the final product distribution as function of temperature, residence time of the Feed Material, extent of dilution, addition of a cracking initiator, and addition of a surface catalytic effect inhibitor. Several operating conditions of the VEG thermal cracking in presence of steam were identified to meet the above mentioned objectives. Particularly, when operating steam reforming at 800°C with a very low steam-to-carbon ratio (less than 1), VEG was totally converted into synthesis gas in a hydrogen-to-carbon monoxide molar ratio close to 2 (favorable for low-temperature Fischer-Tropsch catalysis), with additionally hydrogen and light hydrocarbons (methane, ethylene, propylene) production reaching respectively 40 and 27 mol%. Further investigations (conducted with the same equipment) confirmed the occurrence of strong reactor wall effects that led to the formation of coke deposits with catalytic activity during the VEG steam cracking and steam reforming.

Julien Gornay - One of the best experts on this subject based on the ideXlab platform.

  • steam cracking and steam reforming of waste cooking oil in a tubular stainless steel reactor with wall effects
    Energy & Fuels, 2009
    Co-Authors: Julien Gornay, Lucie Coniglio, Francis Billaud, Gabriel Wild
    Abstract:

    Energy production from renewable Feedstocks that would simultaneously solve ecological problems related to waste disposals would be very attractive. The present work is aimed at showing that atmospheric pressure thermal cracking of waste cooking oil in the presence of steam would be a potential option, particularly when the operating conditions direct the process either toward steam cracking or toward steam reforming in order to produce specific target bioenergy vectors: hydrogen, synthesis gas, or gaseous fuel. A commercial crude waste cooking oil (VEG) was selected as Feed Material. Using a bench-scale continuous flow tubular stainless steel reactor, experiments were conducted to study the final product distribution as a function of temperature, residence time of the Feed Material, extent of dilution, addition of a cracking initiator, and addition of a surface catalytic effect inhibitor. Several operating conditions of the VEG thermal cracking in the presence of steam were identified to meet the above-m...

  • Steam Cracking and Steam Reforming of Waste Cooking Oil in a Tubular Stainless Steel Reactor with Wall Effects
    Energy and Fuels, 2009
    Co-Authors: Julien Gornay, Lucie Coniglio, Francis Billaud, Gabriel Wild
    Abstract:

    Energy production from renewable Feedstocks that would simultaneously solve ecological problems related to waste disposals would be very attractive. The present work is aimed at showing that atmospheric pressure thermal cracking of waste cooking oil in presence of steam would be a potential option, particularly when the operating conditions direct the process either towards steam cracking or towards steam reforming in order to produce specific target bio-energy vectors: hydrogen, synthesis gas, or gaseous fuel. A commercial crude waste cooking oil (VEG) was selected as Feed Material. Using a bench-scale continuous flow tubular stainless steel reactor, experiments were conducted to study the final product distribution as function of temperature, residence time of the Feed Material, extent of dilution, addition of a cracking initiator, and addition of a surface catalytic effect inhibitor. Several operating conditions of the VEG thermal cracking in presence of steam were identified to meet the above mentioned objectives. Particularly, when operating steam reforming at 800°C with a very low steam-to-carbon ratio (less than 1), VEG was totally converted into synthesis gas in a hydrogen-to-carbon monoxide molar ratio close to 2 (favorable for low-temperature Fischer-Tropsch catalysis), with additionally hydrogen and light hydrocarbons (methane, ethylene, propylene) production reaching respectively 40 and 27 mol%. Further investigations (conducted with the same equipment) confirmed the occurrence of strong reactor wall effects that led to the formation of coke deposits with catalytic activity during the VEG steam cracking and steam reforming.

Lucie Coniglio - One of the best experts on this subject based on the ideXlab platform.

  • steam cracking and steam reforming of waste cooking oil in a tubular stainless steel reactor with wall effects
    Energy & Fuels, 2009
    Co-Authors: Julien Gornay, Lucie Coniglio, Francis Billaud, Gabriel Wild
    Abstract:

    Energy production from renewable Feedstocks that would simultaneously solve ecological problems related to waste disposals would be very attractive. The present work is aimed at showing that atmospheric pressure thermal cracking of waste cooking oil in the presence of steam would be a potential option, particularly when the operating conditions direct the process either toward steam cracking or toward steam reforming in order to produce specific target bioenergy vectors: hydrogen, synthesis gas, or gaseous fuel. A commercial crude waste cooking oil (VEG) was selected as Feed Material. Using a bench-scale continuous flow tubular stainless steel reactor, experiments were conducted to study the final product distribution as a function of temperature, residence time of the Feed Material, extent of dilution, addition of a cracking initiator, and addition of a surface catalytic effect inhibitor. Several operating conditions of the VEG thermal cracking in the presence of steam were identified to meet the above-m...

  • Steam Cracking and Steam Reforming of Waste Cooking Oil in a Tubular Stainless Steel Reactor with Wall Effects
    Energy and Fuels, 2009
    Co-Authors: Julien Gornay, Lucie Coniglio, Francis Billaud, Gabriel Wild
    Abstract:

    Energy production from renewable Feedstocks that would simultaneously solve ecological problems related to waste disposals would be very attractive. The present work is aimed at showing that atmospheric pressure thermal cracking of waste cooking oil in presence of steam would be a potential option, particularly when the operating conditions direct the process either towards steam cracking or towards steam reforming in order to produce specific target bio-energy vectors: hydrogen, synthesis gas, or gaseous fuel. A commercial crude waste cooking oil (VEG) was selected as Feed Material. Using a bench-scale continuous flow tubular stainless steel reactor, experiments were conducted to study the final product distribution as function of temperature, residence time of the Feed Material, extent of dilution, addition of a cracking initiator, and addition of a surface catalytic effect inhibitor. Several operating conditions of the VEG thermal cracking in presence of steam were identified to meet the above mentioned objectives. Particularly, when operating steam reforming at 800°C with a very low steam-to-carbon ratio (less than 1), VEG was totally converted into synthesis gas in a hydrogen-to-carbon monoxide molar ratio close to 2 (favorable for low-temperature Fischer-Tropsch catalysis), with additionally hydrogen and light hydrocarbons (methane, ethylene, propylene) production reaching respectively 40 and 27 mol%. Further investigations (conducted with the same equipment) confirmed the occurrence of strong reactor wall effects that led to the formation of coke deposits with catalytic activity during the VEG steam cracking and steam reforming.

Francis Billaud - One of the best experts on this subject based on the ideXlab platform.

  • steam cracking and steam reforming of waste cooking oil in a tubular stainless steel reactor with wall effects
    Energy & Fuels, 2009
    Co-Authors: Julien Gornay, Lucie Coniglio, Francis Billaud, Gabriel Wild
    Abstract:

    Energy production from renewable Feedstocks that would simultaneously solve ecological problems related to waste disposals would be very attractive. The present work is aimed at showing that atmospheric pressure thermal cracking of waste cooking oil in the presence of steam would be a potential option, particularly when the operating conditions direct the process either toward steam cracking or toward steam reforming in order to produce specific target bioenergy vectors: hydrogen, synthesis gas, or gaseous fuel. A commercial crude waste cooking oil (VEG) was selected as Feed Material. Using a bench-scale continuous flow tubular stainless steel reactor, experiments were conducted to study the final product distribution as a function of temperature, residence time of the Feed Material, extent of dilution, addition of a cracking initiator, and addition of a surface catalytic effect inhibitor. Several operating conditions of the VEG thermal cracking in the presence of steam were identified to meet the above-m...

  • Steam Cracking and Steam Reforming of Waste Cooking Oil in a Tubular Stainless Steel Reactor with Wall Effects
    Energy and Fuels, 2009
    Co-Authors: Julien Gornay, Lucie Coniglio, Francis Billaud, Gabriel Wild
    Abstract:

    Energy production from renewable Feedstocks that would simultaneously solve ecological problems related to waste disposals would be very attractive. The present work is aimed at showing that atmospheric pressure thermal cracking of waste cooking oil in presence of steam would be a potential option, particularly when the operating conditions direct the process either towards steam cracking or towards steam reforming in order to produce specific target bio-energy vectors: hydrogen, synthesis gas, or gaseous fuel. A commercial crude waste cooking oil (VEG) was selected as Feed Material. Using a bench-scale continuous flow tubular stainless steel reactor, experiments were conducted to study the final product distribution as function of temperature, residence time of the Feed Material, extent of dilution, addition of a cracking initiator, and addition of a surface catalytic effect inhibitor. Several operating conditions of the VEG thermal cracking in presence of steam were identified to meet the above mentioned objectives. Particularly, when operating steam reforming at 800°C with a very low steam-to-carbon ratio (less than 1), VEG was totally converted into synthesis gas in a hydrogen-to-carbon monoxide molar ratio close to 2 (favorable for low-temperature Fischer-Tropsch catalysis), with additionally hydrogen and light hydrocarbons (methane, ethylene, propylene) production reaching respectively 40 and 27 mol%. Further investigations (conducted with the same equipment) confirmed the occurrence of strong reactor wall effects that led to the formation of coke deposits with catalytic activity during the VEG steam cracking and steam reforming.

Lian-sheng Zang - One of the best experts on this subject based on the ideXlab platform.

  • Recycling of spent mushroom substrate: Utilization as Feed Material for the larvae of the yellow mealworm Tenebrio molitor (Coleoptera: Tenebrionidae).
    PloS one, 2020
    Co-Authors: Li Tianhao, Che Pengfei, Zhang Chaoran, Bo Zhang, Asad Ali, Lian-sheng Zang
    Abstract:

    Spent mushroom substrate is made from the waste remaining after the harvest of mushrooms. Here, we evaluated the potential of five spent edible fungi (Auricularia cornea, Lentinus edodes, Pleurotus eryngii, P. citrinopileatus and P. ostreatus) substrates as Feed sources for Tenebrio molitor larvae. Young larvae did not survive on any substrate except the spent L. edodes substrate (36.7%). The survival rates in young larvae were similar among the different diets in which wheat bran or rice bran was replaced with 0, 20, 30, 40, 50, or 60% spent L. edodes substrate. The weights of the surviving larvae were decreased only when 70% of wheat bran and > 40% of rice bran was replaced with spent L. edodes substrate. In addition, the middle-aged larvae fed wheat bran only were significantly larger than those fed diets with 30~60% spent L. edodes substrate in dry Feed, but the larvae of all treatments failed to pupate. Whereas the green Feed was added in dry Feed, there were no significant differences in pupal weight, pupation rate, pupal duration, adult emergence, or deformed adults among the three treatments in middle-aged larvae that were fed on diets containing 0, 30, or 40% spent L. edodes substrate. Collectively, these results suggest that spent L. edodes substrate has considerable potential to be used as a partial replacement (< 40%) of conventional Feed for T. molitor, and spent mushroom substrate waste may be recycled as Feed Material for resource insects.