99/00536 Moving matrix reactor for biomass and organic waste gasification

1999 ◽  
Vol 40 (1) ◽  
pp. 53
Keyword(s):  
Organic Waste ◽  
Waste Gasification

scholarly journals Karakterisasi Proses Gasifikasi Sampah Organik dengan Variasi Jenis Bahan

2019 ◽  
Vol 3 (1) ◽  
pp. 29
Author(s):  
Ucik Ika Fenti Styana ◽  
Rosiana Indrawati ◽  
Muhammad Sigit Cahyono
Keyword(s):  
Energy Source ◽  
Alternative Energy ◽  
Organic Waste ◽  
Pyrolysis Temperature ◽  
Proximate Analysis ◽  
Raw Material ◽  
Alternative Energy Source ◽  
Gasification Process ◽  
Gnetum Gnemon ◽  
Waste Gasification

<p class="Default"><em>One of the abundant energy source in Indonesia is organic waste in the form of leafs and branches which is widely avalilable in homeyard. It can be utilized as alternative energy source by gasification process. The objective of the study was to know the influence of raw material and AFR to the characteristic of organic waste gasification process. The raw material used were leafs and branches of melinjo (gnetum gnemon) which obtained from homeyard of inhabitant in Sidomoyo village, Godean sub-district, Sleman Regency, Indonesia. Before being gasified, it was prepared for proximate analysis in laboratorium. The gasification begins by feeding the raw material to the reactor with variation of 100% leaf, 100% branch, and 50%-50% leaf and branch. The gasification process was occured in reactor for one hour, and syn gas which produced has been analized to know the composition of it. Result shows that raw material have influenced the characteristic of gasification process. The highest heating rate was occured for gasification process of 100% leaf and AFR 0.5, which it gas has burned after 25 minuted process in oxidation temperature of 650 <sup>0</sup>C, reduction temperature of 350 <sup>0</sup>C, and pyrolysis temperature of 240 <sup>0</sup>C.</em></p>

scholarly journals Potential Deployment of Reversible Solid-Oxide Cell Systems to Valorise Organic Waste, Balance the Power Grid and Produce Renewable Methane: A Case Study in the Southern Italian Peninsula

2021 ◽  
Vol 9 ◽  
Author(s):  
Claudio Carbone ◽  
Francesco Gracceva ◽  
Nicola Pierro ◽  
Vincenzo Motola ◽  
Yi Zong ◽  
...  
Keyword(s):  
Large Scale ◽  
Organic Waste ◽  
Power Grid ◽  
Solid Oxide ◽  
Cell Systems ◽  
Italian Peninsula ◽  
Waste Gasification ◽  
Solid Oxide Cell ◽  
Reversible Solid Oxide Cell

The large market penetration of non-dispatchable renewable power sources (vRES), i.e., wind and photovoltaic, may be hampered by an increasing need for large scale energy storage capacity and the challenges of balancing the power grid. Novel technologies integrating waste gasification with reversible Solid-Oxide Cell systems have been proposed to provide flexible grid balancing services. The rSOC system operated in electrolysis mode uses excess power from vRES to generate hydrogen (H2), which is combined with syngas derived from waste gasification to produce methane (CH4). The rSOC system can also be operated in fuel cell mode by oxidising syngas to produce electricity. This paper presents a well-defined case study which aimed to estimate the potential deployment of a novel rSOC technology in a future power system dominated by intermittent renewables. The hourly power grid residual loads (i.e., the difference between load and vRES power generation) and the availability of low-grade organic waste and residues are quantified and matched for the southern Italian peninsula in 2030. The results show that the theoretical grid flexibility needs approximately 10 TW h of overproduction and 5 TW h of underproduction in 2030 to ensure the complete disposal of the municipal organic waste generated in 2030 (6.7 Mt) and that production of renewable CH4 will need to be 1.4–2.4 Mt, pointing to an intriguing perspective for the deployment of rSOC systems at a large scale. The multifunctionality of the system proposed is an added value that can make it a convenient and efficient piece of the puzzle of technologies required in a climate-neutral and circular economy. The results and methods here presented are intended to form the basis for estimations of future potential deployment and economic and environmental assessments of competing technologies.

ORGANIC WASTE GASIFICATION WITH HIGHLY SUPERHEATED STEAM PRODUCED BY CYCLIC DETONATIONS OF METHANE-STEAM-OXYGEN MIIXTURES

2020 ◽  
Author(s):  
S. M. FROLOV ◽  
◽  
V. A. SMETANYUK ◽  
I. O. SHAMSHIN ◽  
V. S. AKSENOV ◽  
...  
Keyword(s):  
Organic Waste ◽  
Superheated Steam ◽  
Steam Superheater ◽  
Laboratory Scale ◽  
Methane Steam ◽  
Pulsed Detonation ◽  
Waste Gasification

The paper presents the results of testing of the innovative laboratory-scale installation for organic waste anaerobic gasification to syngas (CO and H2) with highly superheated steam (HSS) produced by cyclic detonations of ternary methane-oxygen-steam mixtures in the pulsed detonation steam superheater (PDSSH).

Removal of nutrients from Organic Liquid Agricultural Waste using filamentous algae.

2020 ◽  
Author(s):  
Gonzalo Flores-Morales ◽  
Mónica Díaz ◽  
Patricia Arancibia-Avila ◽  
Michelle Muñoz-Carrasco ◽  
Pamela Jara-Zapata ◽  
...  
Keyword(s):  
Organic Waste ◽  
Low Cost ◽  
Organic Liquid ◽  
Agricultural Waste ◽  
Filamentous Algae ◽  
Tertiary Treatment ◽  
Nutrient Reduction ◽  
Algae Removal ◽  
Algae Growth ◽  
Waste Effluents

Abstract A feasibility analysis of tertiary treatment for Organic Liquid Agricultural Waste is presented using filamentous algae belonging to the genus Cladophora sp. as an alternative to chemical tertiary treatment. The main advantages of tertiary treatments that use biological systems are the low cost investment and the minimal dependence on environmental variables. In this work we demonstrate that filamentous algae reduces the nutrient load of nitrate (circa 75%) and phosphate (circa 86%) from the organic waste effluents coming from dairy farms after nine days of culture, with the added advantage being that after the treatment period, algae removal can be achieved by simple procedures. Currently, the organic wastewater is discarded into fields and local streams. However, the algae can acquire value as a by-product since it has various uses as compost, cellulose, and biogas. A disadvantage of this system is that clean water must be used to achieve enough water transparency to allow algae growth. Even so, the nutrient reduction system of the organic effluents proposed is friendly to the ecosystem, compared to tertiary treatments that use chemicals to precipitate and collect nutrients such as nitrates and phosphates.

Highly-efficient Anaerobic Digestion of Refractory Organic Waste Using Subcritical Water Hydrolysis as Pretreatment Process

2012 ◽  
Vol 48 (1) ◽  
pp. 23-27
Author(s):  
TOMONAO MIYASHIRO ◽  
QINGHONG WANG ◽  
YINGNAN YANG ◽  
KAZUYA SHIMIZU ◽  
NORIO SUGIURA ◽  
...  
Keyword(s):  
Anaerobic Digestion ◽  
Organic Waste ◽  
Subcritical Water ◽  
Highly Efficient ◽  
Water Hydrolysis ◽  
Subcritical Water Hydrolysis

EVALUATION OF BIOMETHANE YIELDS FROM HIGH-ENERGY ORGANIC WASTE AND SEWAGE SLUDGE: A PILOT STUDY FOR A WASTEWATER TREATMENT PLANT

2019 ◽  
Vol 18 (9) ◽  
pp. 2023-2034 ◽  
Author(s):  
Agnieszka A. Pilarska ◽  
Krzysztof Pilarski ◽  
Boguslawa Waliszewska ◽  
Magdalena Zborowska ◽  
Kamil Witaszek ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Pilot Study ◽  
Sewage Sludge ◽  
Wastewater Treatment Plant ◽  
Organic Waste ◽  
Treatment Plant ◽  
High Energy
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