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Journal articles on the topic 'Biomasse – Humidité'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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1

Panggabean, Tamaria, Arjuna Neni Triana, and Ari Hayati. "Kinerja Pengeringan Gabah Menggunakan Alat Pengering Tipe Rak dengan Energi Surya, Biomassa, dan Kombinasi." Agritech 37, no. 2 (2017): 229. http://dx.doi.org/10.22146/agritech.25989.

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Paddy drying was performed using a hybrid drier utilizing solar energy, biomass and combined solar-biomass energy as energy sources. This research objective was to evaluate performance of the hybrid paddy drier using solar energy and paddy straw and coconut coir biomass. The experimental and descriptive method was used. The result showed that the drier with solar system was capable to generate temperature of drying chamber to 40.42 °C in average, while the average relative humidity was 41.45%. The paddys final moisture was 14.88%w.b after 7 hours of drying with drying rate of 0.64% d.b/h and e

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Martiani, Erni, Murad, and Guyup Mahardhian Dwi Putra. "Modification and Test Performance of Rack Type Hybrid (Solar-Biomass) Dryer." Jurnal Ilmiah Rekayasa Pertanian dan Biosistem 5, no. 1 (2017): 339–47. http://dx.doi.org/10.29303/jrpb.v5i1.45.

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This study aimed to modify biomass furnaces source of heat energy from the combustion of biomass, study thermal energy generated from combination of solar and biomass energy, and determine efficiency of furnaces and efficiency of total system of a rack type hybrid (solar-biomass) dryer. Method used in this research was experimental method. Used fuel was coconut shell charcoal and used tools include iron plate, blower, pipe, grinding and welding tools, thermometer, anemometer, lux meter, data logger and analytical balance. Observed parameters were temperature, air humidity, sun radiation, veloc

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Carvalho, S. A., J. V. Coelho, and J. A. Takahashi. "Screening Filamentous Tropical Fungi for their Nutritional Potential as Sources of Crude Proteins, Lipids and Minerals." Food Science and Technology International 16, no. 4 (2010): 315–20. http://dx.doi.org/10.1177/1082013210366885.

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The use of fungal and yeast biomass in foodstuff, either as supplements or as major ingredients in formulations is an area of growing interest for the modern food industry. The aim of this study was to evaluate the nutritional potential of biomasses obtained from filamentous fungi Penicillium sclerotiorum, Penicillium janthinellum, Rhizopus stolonifer and Syncephalastrum racemosum. Biomasses presented 26-37% of total proteins, 1.7-3.5% of lipids and 4.6-9.1% of ashes. The humidity level reached 75-83%. Ashes were screened for minerals contents with a special outcome for S. racemosum biomass th

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Zhan, Tianyi, Fengze Sun, Chao Lv, et al. "Evaluation of moisture diffusion in lignocellulosic biomass in steady and unsteady states by a dynamic vapor sorption apparatus." Holzforschung 73, no. 12 (2019): 1113–19. http://dx.doi.org/10.1515/hf-2019-0063.

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Abstract To examine the methodology for determining the moisture diffusion behavior of lignocellulosic biomass in steady and unsteady states (two stages of a sorption isotherm), the diffusion coefficients in the steady and unsteady states (DSS and DUS) were investigated over a range of relative humidity (RH) from 10 to 90% using a dynamic vapor sorption (DVS) apparatus and a specifically designed cell kit. Thin samples with a thickness of 50 μm were prepared from three lignocellulosic biomasses, i.e. poplar, Chinese fir and moso bamboo. Based on Fick’s first and second laws, DSS and DUS were d

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Veiga, Tais Regina Lima Abreu, José Tarcísio Lima, Anelise Lima de Abreu Dessimoni, Matheus Felipe Freire Pego, Jenaina Ribeiro Soares, and Paulo Fernando Trugilho. "DIFFERENT PLANT BIOMASS CHARACTERIZATIONS FOR BIOCHAR PRODUCTION." CERNE 23, no. 4 (2017): 529–36. http://dx.doi.org/10.1590/01047760201723042373.

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ABSTRACT The use of biomass for biochar production is already a reality. However, little is known about its structure and composition, mainly due to the changes occurred during the heat treatment. This information is crucial since it will have an immediate impact on the quality and applicability of the material produced. Therefore, this study aimed to analyze different biomasses, characterizing their potential for biochar production. Woods from Eucalyptus urophylla and Corymbia citriodora and coffee husk were assessed. The biomass was ground and sieved, and then stored under controlled conditi

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Ferreira de Campos, Roger Francisco, Leandro Dalla Rosa, and Tiago Borga. "Análise do processo de co-combustão da biomassa, através da influência da umidade do cavaco na emissão de contaminantes atmosféricos, eficiência energética e geração de cinzas (Analysis of the biomass co-combustion process, through the influence of ...)." Revista Brasileira de Geografia Física 10, no. 5 (2017): 1471. http://dx.doi.org/10.26848/rbgf.v10.5.p1471-1480.

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A poluição ambiental e atmosférica decorre de uma junção de fatores, como o crescimento e as concentrações populacionais e industriais. As caldeiras são equipamentos destinados à produção de vapor sob pressão superior à atmosférica, que utiliza a biomassa como fonte geradora de energia, emitindo uma quantidade significativa de contaminantes atmosféricos. Sabendo que o maior impacto ambiental produzido pelas caldeiras é a emissão de gases, materiais particulados e a geração de hidrocarbonetos, objetivou-se quantificar a variação de emissão de gases poluentes (CO2, CO, O2), eficiência de queima

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Irawan, Anton, Tubagus Riadz, and Nurmalisa Nurmalisa. "PROSES TOREFAKSI TANDAN KOSONG KELAPA SAWIT UNTUK KANDUNGAN HEMISELULOSA DAN UJI KEMAMPUAN PENYERAPAN AIR." Reaktor 15, no. 3 (2015): 190. http://dx.doi.org/10.14710/reaktor.15.3.190-194.

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EMPTY FRUIT BUNCHES TORREFACTION FOR HEMICELLULOCE CONTENT ANDWATER ABSORPTION TEST. Biomass is organic material resulting from the process ofphotosynthesis. Biomass can be produced directly as product or waste from the processing ofagricultural or plantation. Indonesia is a country that produces biomass in very large quantities. Oneof the largest biomass resulting from the proceessing of palm oil is oil palm empty fruit bunches(EFB). Basically, the EFB has a low energy content and easily absorbs water. With higher productionof palm oil, the EFB has potential as a good quality fuel and need ea

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Dzurenda, Ladislav, and Adrián Banski. "Dependence of the boiler flue gas losses on humidity of wood biomass." Archives of Thermodynamics 36, no. 4 (2015): 77–86. http://dx.doi.org/10.1515/aoter-2015-0034.

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Abstract The paper analyzes the influence of humidity of combusted wood biomass on the flue gas losses. A mathematical relation between flue gas losses of the boiler on wood biomass humidity is presented as well as temperature of flue gas emitted from the boiler into the atmosphere. The limits of model application for the humidity of wood biomass falls into the interval 10–60% whereas the range of temperatures of flue gases emitted from the boiler to the atmosphere is 120–200 °C. The influence of the humidity of wood biomass has an adverse effect on increasing the extent of the boiler flue gas

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Galeev, T., and A. Sadrtdinov-. "Study of woody biomass plasma gasification different humidity." Актуальные направления научных исследований XXI века: теория и практика 2, no. 3 (2014): 293–95. http://dx.doi.org/10.12737/3976.

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Jading, Abadi, Paulus Payung, and Reniana Reniana. "KAJIAN TEKNIS-EKONOMIS ALAT PENGERING PATI SAGU MODEL CROSS FLOW VIBRO FLUIDIZED BED (Study on Technical-Economic of Sago Starch Dryer Model of Cross Flow Vibro Fluidized Bed)." Jurnal Agritech 34, no. 04 (2015): 448. http://dx.doi.org/10.22146/agritech.9440.

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The purpose of this research was to evaluate performance of vibro cross flow fluidized bed dryer using biomass fuel for drying sago starch. The phase of research were evaluation of dryer heated by a biomass stove using coconut shell as a fuel and observation of the drying temperature, moisture content, drying time, energy analysis, and drying effiviency, as well as calculation of its economic analysis. The dryer has dimension of 200x50x1500 cm for length, width, hight, respectively, and working capacity of 35kg/process. The results showed that biomass fuel consumption for drying sago starch fo

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Sarnadi, Debi, Raida Agustina, and Rita Khathir. "Karakteristik Pengeringan Biji Pala (Myristica fragranshoutt) Menggunakan Alat Pengering Hybrid dengan Sumber Panas Dari energi Surya dan Serbuk Kayu." Jurnal Ilmiah Mahasiswa Pertanian 3, no. 4 (2018): 849–58. http://dx.doi.org/10.17969/jimfp.v3i4.9571.

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Abstrak. Manfaat dari proses pengeringan pala yaitu untuk tujuan pengawetan. Tujuan penelitian ini adalah untuk mengkaji proses pengeringan biji pala menggunakan alat pengering hybrid dengan sumber energi matahari dan biomassa serbuk kayu. Total biji pala yang dikeringkan adalah 15 kg. Pembakaran serbuk kayu dilakukan selama pengeringan di malam hari dengan laju 3kg/jam. Parameter penelitian meliputi iradiasi surya, temperatur, kelembaban relatif, kadar air, dan uji organoleptik terhadap warna dan aroma. Hasil penelitian menunjukkan bahwa iradiasi rata-rata yang diperoleh adalah 131,61 W/m2 pa

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Gilvari, Hamid, Luis Cutz, Urša Tiringer, Arjan Mol, Wiebren de Jong, and Dingena L. Schott. "The Effect of Environmental Conditions on the Degradation Behavior of Biomass Pellets." Polymers 12, no. 4 (2020): 970. http://dx.doi.org/10.3390/polym12040970.

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Biomass pellets provide a pivotal opportunity in promising energy transition scenarios as a renewable source of energy. A large share of the current utilization of pellets is facilitated by intensive global trade operations. Considering the long distance between the production site and the end-user locations, pellets may face fluctuating storage conditions, resulting in their physical and chemical degradation. We tested the effect of different storage conditions, from freezing temperatures (−19 °C) to high temperature (40 °C) and humidity conditions (85% relative humidity), on the physicochemi

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Stuerz and Asch. "Responses of Rice Growth to Day and Night Temperature and Relative Air Humidity—Dry Matter, Leaf Area, and Partitioning." Plants 8, no. 11 (2019): 521. http://dx.doi.org/10.3390/plants8110521.

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Asymmetric changes of day and night temperature have already been observed because of Climate Change. However, knowledge on environmental conditions either during day or night serving as trigger for growth processes is scarce. In this study, one rice (Oryza sativa) variety (IR64) was examined to assess the impact of varying temperatures and relative air humidities during day and night periods on biomass, leaf area, and dry matter partitioning between organs. Three different day and night temperature (30/20 °C, 25/25 °C, 20/30 °C) and relative air humidity (40/90%, 65/65%, 90/40%) regimes were

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Lendzion, Jasmin, and Christoph Leuschner. "Temperate forest herbs are adapted to high air humidity — evidence from climate chamber and humidity manipulation experiments in the field." Canadian Journal of Forest Research 39, no. 12 (2009): 2332–42. http://dx.doi.org/10.1139/x09-143.

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How growth and morphology of wild plants are controlled by the water vapor saturation deficit of the air (vapor pressure deficit, VPD) is not sufficiently understood. We tested the hypothesis that VPD acts on temperate woodland herbs independently from soil moisture by exposing two species ( Mercurialis perennis L. and Stachys sylvatica Torr.) to variable VPD levels in climate chambers and in open-top chambers on the forest floor. A decrease in air humidity from 85% to 40% in the climate chamber experiment, which simulates a microclimate change after canopy gap creation, resulted in a 40% decr

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Sun, Linchao, Azhar Ali Haidry, Zhong Li, et al. "Effective use of biomass ash as an ultra-high humidity sensor." Journal of Materials Science: Materials in Electronics 29, no. 21 (2018): 18502–10. http://dx.doi.org/10.1007/s10854-018-9966-3.

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Vitcosque, Gabriela L., Rafael F. Fonseca, Ursula Fabiola Rodríguez-Zúñiga, Victor Bertucci Neto, Sonia Couri, and Cristiane S. Farinas. "Production of Biomass-Degrading Multienzyme Complexes under Solid-State Fermentation of Soybean Meal Using a Bioreactor." Enzyme Research 2012 (December 29, 2012): 1–9. http://dx.doi.org/10.1155/2012/248983.

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Biomass-degrading enzymes are one of the most costly inputs affecting the economic viability of the biochemical route for biomass conversion into biofuels. This work evaluates the effects of operational conditions on biomass-degrading multienzyme production by a selected strain of Aspergillus niger. The fungus was cultivated under solid-state fermentation (SSF) of soybean meal, using an instrumented lab-scale bioreactor equipped with an on-line automated monitoring and control system. The effects of air flow rate, inlet air relative humidity, and initial substrate moisture content on multienzy

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17

Mortley, D. G., C. K. Bonsi, P. A. Loretan, W. A. Hill, and C. E. Morris. "Relative Humidity Influences Yield, Edible Biomass, and Linear Growth Rate of Sweetpotato." HortScience 29, no. 6 (1994): 609–10. http://dx.doi.org/10.21273/hortsci.29.6.609.

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Growth chamber experiments were conducted to study the physiological and growth response of sweetpotato [Ipomoea batatas (L.) Lam.] to either 50% or 85 % relative humidity (RH). Vine cuttings of T1-155 were grown using the nutrient film technique in a randomized complete-block design with two replications. Temperature regimes of 28/22C were maintained during the light/dark periods with irradiance at canopy level of 600 μmol·m-2·s-1 and a 14/10-hour photoperiod. High RH (85%) increased the number of storage roots per plant and significantly increased storage root fresh and dry weight, but produ

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18

Lindroth, Anders, Theo Verwijst, and Sven Halldin. "Water-use efficiency of willow: Variation with season, humidity and biomass allocation." Journal of Hydrology 156, no. 1-4 (1994): 1–19. http://dx.doi.org/10.1016/0022-1694(94)90068-x.

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19

Ivanova, T., B. Havrland, P. Hutla, and A. Muntean. "Drying of cherry tree chips in the experimental biomass dryer with solar collector." Research in Agricultural Engineering 58, No. 1 (2012): 16–23. http://dx.doi.org/10.17221/10/2011-rae.

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Drying significantly influences the process of a biomass conversion into the renewable energy source as well as quality of solid biofuels (briquettes, pellets). The research is focused on monitoring and evaluation of the drying process in the case of cherry tree chips drying in experimental biomass dryer with solar collector. The dryer has been conceived as a result of the project which was realized at the State Agrarian University of Moldova. Technological and construction specifics of the biomass dryer are described in the paper. The moisture content of the cherry tree chips was observed in

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Ivanova, Natalya, and Elena Bulba. "Mathematical modeling of processes of heat and mass transfer during drying of wood biomass." MATEC Web of Conferences 194 (2018): 01012. http://dx.doi.org/10.1051/matecconf/201819401012.

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For the first time, a mathematical model for the drying of woody biomass during conductive heating with localization of the evaporation front has been formulated. The processes of moisture removal during the filtration of steam through the porous structure of the material at an ambient temperature of Te = 373 K were considered. Humidity was varied (in the range from 6% to 40%) and dimensions of wood blanks (Rd = 0.0035 - 0.035 m). Based on the results of numerical simulation, the conditions and characteristics (evaporation rate Wisp, drying time τ dry) of the process of moisture removal from w

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Fitri, Cut Nazila, Indera Sakti Nasution, and Raida Agustina. "Kajian Proses Pengeringan Pinang Muda (Areca catechu L) Menggunakan Bahan Bakar Biomassa Kayu : Studi Kasus PT. Areca Agro Aceh." Jurnal Ilmiah Mahasiswa Pertanian 4, no. 4 (2020): 522–31. http://dx.doi.org/10.17969/jimfp.v4i4.12714.

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Abstrak. Pengeringan pinang muda menggunakan bahan bakar biomassa kayu dapat dilakukan dengan cara pengovenan. Pengeringan dilakukan sebanyak 3 kali pengulangan pada suhu 60oC, perhitungan masa pinang diukur tiap 3 jam untuk 24 jam pertama, tiap 6 jam untuk hari ke-2 sampai sampai massa bahan konstan. Parameter penelitian untuk mengetahui pinang kering berdasarkan perubahan bobot bahan dan kadar air meliputi laju pengeringan, kecepatan aliran udara, kelembaban udara, suhu dan perubahan berat bahan.Hasil penelitian pada PT. Areca Agro Aceh dalam proses pengeringan pinang muda kering dengan meng

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Wang, Xinghuo, Chuanhui Xu, Qi Shen, et al. "Conductivity controllable rubber films: response to humidity based on a bio-based continuous segregated cell network." Journal of Materials Chemistry A 9, no. 13 (2021): 8749–60. http://dx.doi.org/10.1039/d0ta12006e.

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By introducing a biomass segregated network into the rubber matrix, we fabricated flexible films with tailorable electromechanical properties, and revealed the relationship between the change of network and the humidity response of films.

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Vignolio, O. R., G. S. Cambareri, and N. O. Maceira. "Seed production of Lotus tenuis (Fabaceae), a forage legume: effects of row spacing, seeding date, and plant defoliation." Crop and Pasture Science 61, no. 12 (2010): 1027. http://dx.doi.org/10.1071/cp10238.

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Indeterminate flowering, pod dehiscence, and seed shattering are some the most important factors that limit seed yield in some Lotus species. The objective of this study was to determine strategies to maximise Lotus tenuis seed yield by evaluating: (i) the effects of row spacing (17.5 and 35.0 cm) and seeding date (autumn 2007, autumn 2008, and spring 2008) on vegetative biomass and reproductive components, and (ii) plant defoliation at the beginning of flowering to make the time of seed ripening more uniform. Plant density was held constant at 20 plants/m2. The beginning of flowering was late

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Lewis, K. A., W. P. Arnott, H. Moosmüller, et al. "Reduction in biomass burning aerosol light absorption upon humidification: roles of inorganically-induced hygroscopicity, particle collapse, and photoacoustic heat and mass transfer." Atmospheric Chemistry and Physics 9, no. 22 (2009): 8949–66. http://dx.doi.org/10.5194/acp-9-8949-2009.

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Abstract. Smoke particle emissions from the combustion of biomass fuels typical for the western and southeastern United States were studied and compared under high humidity and ambient conditions in the laboratory. The fuels used were Montana ponderosa pine (Pinus ponderosa), southern California chamise (Adenostoma fasciculatum), and Florida saw palmetto (Serenoa repens). Information on the non-refractory chemical composition of biomass burning aerosol from each fuel was obtained with an aerosol mass spectrometer and through estimation of the black carbon concentration from light absorption me

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Lewis, K. A., W. P. Arnott, H. Moosmüller, et al. "Reduction in biomass burning aerosol light absorption upon humidification: roles of inorganically-induced hygroscopicity, particle collapse, and photoacoustic heat and mass transfer." Atmospheric Chemistry and Physics Discussions 9, no. 4 (2009): 15247–94. http://dx.doi.org/10.5194/acpd-9-15247-2009.

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Abstract. Smoke particle emissions from the combustion of biomass fuels typical for the western and southeastern United States were studied and compared under high humidity and ambient conditions in the laboratory. The fuels used are Montana ponderosa pine (Pinus ponderosa), southern California chamise (Adenostoma fasciculatum), and Florida saw palmetto (Serenoa repens). Information on the non-refractory chemical composition of biomass burning aerosol from each fuel was obtained with an aerosol mass spectrometer and through estimation of the black carbon concentration from light absorption mea

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Hroncová, Emília, and Juraj Ladomerský. "The Environmental and Energy Potential of Incinerating Various Biomass Mixtures." Advanced Materials Research 1001 (August 2014): 114–17. http://dx.doi.org/10.4028/www.scientific.net/amr.1001.114.

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In recent years, research has shown the advisability of seeking new types of biofuel. It has been shown that apart from one-component fuel, it is also advisable to use mixtures composed of basic raw materials. These mixtures may have a favourable effect upon the overall recovery of such fuels. This paper focuses upon options for the energy use of various mixtures of biomass waste. Biomass waste originates from primary agricultural production and countryside maintenance. This mainly consists of plant residues, i.e. straw and hay. Pellets were made using the given biomass. The pellets were prepa

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Yu, Huifang, Yanan Yang, Ting Yang, Qi Shi, and Lin-Lan Zhuang. "Enhanced Transpiration by Attached Microalgae-Simulated Plants for Zero-Discharge of Reverse Osmosis Concentrated Water (WROC)." Water 13, no. 15 (2021): 2058. http://dx.doi.org/10.3390/w13152058.

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Inspired by plant transpiration, an attached microalgae−simulated plant system was designed to enhance the transpiration of reverse osmosis concentrated water (i.e., WROC) and realize the conversion of pollutants to microalgae biomass. The results showed that the production rate of clean water could reach as high as 14.84 L·m−2·day−1, which was significantly influenced by the humidity of the air and the growth status of the attached microalgae. Moreover, the enhancement of water evaporation by microalgae was more obvious under relatively low humidity. Pollutants, transported along with the wat

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Magi, Brian I., and Peter V. Hobbs. "Effects of humidity on aerosols in southern Africa during the biomass burning season." Journal of Geophysical Research: Atmospheres 108, no. D13 (2003): n/a. http://dx.doi.org/10.1029/2002jd002144.

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Smaga, Monika, Grzegorz Wielgosiński, Aleksander Kochański, and Katarzyna Korczak. "Biomass as a major component of pellets." Acta Innovations, no. 26 (January 1, 2018): 81–92. http://dx.doi.org/10.32933/actainnovations.26.9.

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The article describes the quality parameters of the selected elements of biomass as a potential ecological biofuel. Several selected elements of a type of biomass were tested to determine the calorific value, humidity, content of sulfur and amount of ash produced in burning process. The concept of biomass and the legal aspects of its combustion are described. The research of biomass samples revealed that they may be turned into a high-energy, ecologically solid biofuel. Production of biofuel from the tested biomass does not require any additional binders. Studies have shown that the tested mat

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Lăzăroiu, Gheorghe, Gabriel Paul Negreanu, Ionel Pîșă, Rodica Manuela Grigoriu, and Dana-Alexandra Ciupăgeanu. "Experimental researches on poultry manure combustion in co-combustion with biomass." E3S Web of Conferences 286 (2021): 02013. http://dx.doi.org/10.1051/e3sconf/202128602013.

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Combustion of pure avian waste is strongly affected by its humidity content. According to the results of composition analysis, the initial humidity reaches up to 50%, inhibiting direct combustion initiation and development. Drying of poultry waste is an alternative, but simple relatively long-term storage or thermal pre-processing, complicates the technological process of energy recovery and increases the associated costs. Co-combustion represents a promising solution to enrich the heating value of raw poultry manure. Experiments using biomass (in a mass fraction of up to 30%) led to positive

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Soriano, José Antonio, Reyes García-Contreras, and Antonio José Carpio de Los Pinos. "Study of the Thermochemical Properties of Lignocellulosic Biomass from Energy Crops." Energies 14, no. 13 (2021): 3780. http://dx.doi.org/10.3390/en14133780.

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The cultivation of short rotation coppice (SRC) is a sustainable and ecological alternative for the production of energy vectors today. For its use, it is necessary to know the thermochemical properties of the biomass produced, as well as the differences between genotypes and varieties. In this work, the thermochemical properties of five different Populus clones grow up in Mediterranean basin, with two different age categories, are analyzed. The moisture content, wood density, heating value, ash content, energy density, composition and the volatile matter were measured, separating wood and cru

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Francisco, Paulo Roberto Megma, Iêde De Brito Chaves, Eduardo Rodrigues Viana de Lima, Maria Marle Bandeira, and Bernardo Barbosa da Silva. "Mapeamento da Caatinga com Uso de Geotecnologia e Análise da Umidade Antecedente em Bacia Hidrográfica (Mapping of Caatinga with Use of Geotechnology and Analysis of Antecedent Humidity in Hydrographic Basin)." Revista Brasileira de Geografia Física 5, no. 3 (2012): 676. http://dx.doi.org/10.26848/rbgf.v5i3.232864.

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O estado da Paraíba tem como característica climática marcante as irregularidades, tanto espacial quanto temporal do seu regime de chuvas, uma vez que, 86,6% do seu território faz parte da região semiárida brasileira. A cobertura vegetal de caatinga, já bastante impactada pela ação antrópica, apresenta diferentes feições relacionadas aos fatores edafoclimáticos, dentre estes, a precipitação, que influenciada pelo relevo, tende a aumentar com a altitude dentro dos diferentes espaços hidrogeográficos. Quanto menor a precipitação, maior a aridez e a irregularidade da distribuição das chuvas. No p

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Brioude, J., O. R. Cooper, M. Trainer, et al. "Mixing between a stratospheric intrusion and a biomass burning plume." Atmospheric Chemistry and Physics 7, no. 16 (2007): 4229–35. http://dx.doi.org/10.5194/acp-7-4229-2007.

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Abstract. Ozone, carbon monoxide, aerosol extinction coefficient, acetonitrile, nitric acid and relative humidity measured from the NOAA P3 aircraft during the TexAQS/GoMACCS 2006 experiment, indicate mixing between a biomass burning plume and a stratospheric intrusion in the free troposphere above eastern Texas. Lagrangian-based transport analysis and satellite imagery are used to investigate the transport mechanisms that bring together the tropopause fold and the biomass burning plume originating in southern California, which may affect the chemical budget of tropospheric trace gases.

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Brioude, J., O. R. Cooper, M. Trainer, et al. "Mixing between a stratospheric intrusion and a biomass burning plume." Atmospheric Chemistry and Physics Discussions 7, no. 3 (2007): 8017–33. http://dx.doi.org/10.5194/acpd-7-8017-2007.

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Abstract. Ozone, carbon monoxide, aerosol extinction coefficient, acetonitrile, nitric acid and relative humidity measured from the NOAA P3 aircraft during the TexAQS/GoMACCS 2006 experiment, indicate mixing between a biomass burning plume and a stratospheric intrusion in the free troposphere above eastern Texas. Lagrangian-based transport analysis and satellite imagery are used to investigate the transport mechanisms that bring together the tropopause fold and the biomass burning plume originating in southern California, which may affect the chemical budget of tropospheric trace gases.

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Lopes, Aline, and Maria Teresa Fernandez Piedade. "Time of exposure and oil dosage affecting biomass production of the Amazonian semi-aquatic grass Echinochloa polystachya." Rodriguésia 62, no. 4 (2011): 901–7. http://dx.doi.org/10.1590/s2175-78602011000400015.

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Abstract The effects of Urucu crude oil on growth and biomass production of Echinochloa polystachya were studied experimentally. Young plants contaminated with 5 oil doses (0 to 2.64 l.m-2) were monitored at 1, 5, 10, 15 and 20 days after exposure. A significant reduction was observed in leaf humidity and the ratio of live aerial/ total biomass related to the increase in oil dosage. Increased exposition time caused a reduction in the number of leaves, aerial biomass, proportion of live aerial/total biomass, total biomass, and an increase of dead aerial biomass. However, root biomass and leaf l

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Lee, Jun Sian, Shahab Sokhansanj, C. Jim Lim, Anthony Lau, and Tony Bi. "Comparative Analysis of Sorption Isotherms for Wood Pellets and Solid Wood." Applied Engineering in Agriculture 35, no. 4 (2019): 475–79. http://dx.doi.org/10.13031/aea.13238.

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Abstract.The published data on equilibrium moisture content vs. equilibrium relative humidity (EMC-ERH) for wood pellet do not cover the range of temperature and relative humidity to which a pellet is exposed to during its storage and handling. A few published EMC-ERH relations covering a wider range of temperatures and relative humidity are available for solid wood (lumber) and wood chips. The question is whether the data for solid wood is applicable to wood pellets. For this research, we examined the sorption isotherms of wood pellets and solid wood. The analysis shows that EMC for solid woo

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Carrico, C. M., M. D. Petters, S. M. Kreidenweis, et al. "Water uptake and chemical composition of fresh aerosols generated in open burning of biomass." Atmospheric Chemistry and Physics 10, no. 11 (2010): 5165–78. http://dx.doi.org/10.5194/acp-10-5165-2010.

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Abstract. As part of the Fire Lab at Missoula Experiments (FLAME) in 2006–2007, we examined hygroscopic properties of particles emitted from open combustion of 33 select biomass fuels. Measurements of humidification growth factors for subsaturated water relative humidity (RH) conditions were made with a hygroscopic tandem differential mobility analyzer (HTDMA) for dry particle sizes of 50, 100 and 250 nm. Results were then fit to a single-parameter model to obtain the hygroscopicity parameter, κ. Particles in freshly emitted biomass smoke exhibited a wide range of hygroscopicity (individual mo

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Castro, Zamir Sánchez, Hugo Reinel García Bernal, and Oscar Andrés Mendieta Menjura. "Efecto del precalentamiento del aire primario y la humedad del bagazo de caña de azúcar durante la combustión en lecho fijo." Corpoica Ciencia y Tecnología Agropecuaria 14, no. 1 (2013): 5. http://dx.doi.org/10.21930/rcta.vol14_num1_art:263.

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<p>Los hornos utilizados para la elaboración de panela presentan pérdidas energéticas debido a una combustión incompleta del bagazo de caña de azúcar y al calor sensible en los gases de chimenea. Durante el proceso de producción de panela, el bagazo de caña de azúcar se utiliza como combustible, con fracciones másicas de humedad entre 30% y 50%, las cuales afectan el rendimiento de la combustión de una biomasa en lecho fijo. Gracias a que el precalentamiento del aire disminuye el tiempo de secado, su implementación en muchos sistemas de combustión de biomasa ha incrementado la eficienc

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Mauer, O., R. Bagár, and E. Palátová. "Response of the Norway spruce (Picea abies [L.] Karst.) root system to changing humidity and temperature conditions of the site." Journal of Forest Science 54, No. 6 (2008): 245–54. http://dx.doi.org/10.17221/14/2008-jfs.

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The Bohemian-Moravian Upland shows a large-scale decline and dieback of Norway spruce up to the forest altitudinal vegetation zone (FAVZ) 5. This phenomenon has been observed in the last 7 years and its progress is rapid. Healthy, declining and standing dry trees of equal height were mutually compared in nine forest stands (aged 3–73 years). These parameters were measured: increment dynamics, root system architecture, biomass, fine root vitality and mycorrhiza, infestation by biotic and abiotic agents. Analyses were done for 414 trees, soil characteristics and weather course data covered the p

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Moraes, Sibéria Caroline Gomes de, Adalberto Freire Nascimento Júnior, Shirlene Tamires Oliveira dos Santos, et al. "Gasification system coupled to fixed bed column aiming adsorption of H2S from biomass." Revista Eletrônica em Gestão, Educação e Tecnologia Ambiental 23 (June 1, 2019): 29. http://dx.doi.org/10.5902/2236117037685.

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An overview of the characterization of biomass sugarcane bagasse, peanut shell and black grape peel for application of biofuels, based on laboratory tests. Initially a general explanation of the development of gasification for the production of synthetic natural gas from alternative sources, such as biomass, which can be converted from solid to gaseous fuel, passing through a process of purification through adsorption in a fixed bed system. The adsorbent was evaluated through BET, BJH, pH, humidity and ignition loss analyzes. The results of the combined gasification capacity of the adsorption

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Zhou, Chan, Jian Guo, and Zhuo Zhang. "Climate Effect on Characteristics of Litter Decomposition and Nitrogen Release under Three Grassland Ecosystems." Advanced Materials Research 781-784 (September 2013): 2311–14. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.2311.

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Characteristics of litter decomposition and carbon and nitrogen release were comparatively studied under meadow, typical and desert steppe ecosystems. The results showed that litter under meadow ecosystem had the highest decomposition rate constant of biomass, percentage of carbon, nitrogen and cellulose loss than that under typical and desert steppe ecosystems. Analysis of variance showed that there were obvious significant differences in decomposition rate constant of biomass, percentage of carbon, nitrogen and cellulose loss of litter among three grassland ecosystems. Stepwise regression an

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Chauhan, Ashish, and Balbir Kaith. "Evaluation of Dynamic Materials Procured from Waste Biomass." ISRN Materials Science 2011 (August 17, 2011): 1–7. http://dx.doi.org/10.5402/2011/393489.

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Methyl acrylate (MA) monomer was graft copolymerized onto Hibiscus sabdariffa stem fiber and used to explore the additive effect of vinyl acrylate (VA) and ethyl acrylate (EA) on percentage grafting and the properties of the fiber, in binary vinyl monomeric mixtures. The graft copolymers were reinforced into phenol-formaldehyde polymer matrix to form biocomposites and characterized by FTIR, XRD, TGA, DTA, and SEM techniques. They were evaluated for physico-chemical changes in properties like moisture absorption at different relative humidity levels and chemical resistance against 1 N NaOH and

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Четырбоцкий, В. А., А. Н. Четырбоцкий та Б. В. Левин. "МАТЕМАТИЧЕСКОЕ МОДЕЛИРОВАНИЕ ДИНАМИКИ МИНЕРАЛЬНОГО ПИТАНИЯ РАСТЕНИЙ В СИСТЕМЕ «УДОБРЕНИЕ-ПОЧВА-РАСТЕНИЕ»". Биофизика 65, № 6 (2020): 1219–29. http://dx.doi.org/10.31857/s0006302920060228.

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A numerical simulation of the spatial-temporal dynamics of a multi-parameter system is developed. The components of this system are plant biomass, mobile and stationary forms of mineral nutrition elements, rhizosphere microorganisms and environmental parameters (temperature, humidity, acidity). Parametric identification and verification of the adequacy of the model were carried out based on the experimental data on the growth of spring wheat «Krasnoufimskaya-100» on peat lowland soil. The results are represented by temporal distributions of biomass from agricultural crop under study and the fi

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Chen, Chao, Lingling Zhao, Jingfan Wang, and Shangchao Lin. "Reactive Molecular Dynamics Simulations of Biomass Pyrolysis and Combustion under Various Oxidative and Humidity Environments." Industrial & Engineering Chemistry Research 56, no. 43 (2017): 12276–88. http://dx.doi.org/10.1021/acs.iecr.7b01714.

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Putra, Wahyudi Febrianto, Yuwana Yuwana, and Bosman Sidebang. "STUDY ON PALM OIL LEAF STEM AS BIOMASS FUEL FOR YTP-UNIB-2013 DRYER." Jurnal Agroindustri 4, no. 2 (2014): 93–99. http://dx.doi.org/10.31186/j.agroind.4.2.93-99.

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Purpose of this research was to determine the relation between fuel supply and temperature in the drying chamber of YTP-UNIB-2013 Biomass Dryer; and to describe performance of the dryer operated using palm oil leaf stem as the biomass fuel. The stems were cleaned out of leaves, cut into 5-7 cm in length, dried so that their water content less then 10%.Temperature and humidity were recorded every 15 minutes p to 3 hours of burning. In order to maintain maximal temperature in the drying chamber, biomass fuel was added at the time the temperature start decreasing. The time for the additional samp

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Yamaguchi, Carina Sayuri, Nilza Patrícia Ramos, Cristina Silva Carvalho, Adriana Marlene Moreno Pires, and Cristiano Alberto de Andrade. "Sugarcane straw decomposition and carbon balance as a function of initial biomass and vinasse addition to soil surface." Bragantia 76, no. 1 (2017): 135–44. http://dx.doi.org/10.1590/1678-4499.580.

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ABSTRACT The objective of this study was to evaluate sugarcane straw decomposition and the potential of increasing soil carbon as a function of the initial biomass and vinasse addition to soil surface. The experimente consisted of incubation (240 days, in the dark, humidity equivalent to 70% of soil water retention capacity and average temperature of 28 °C) of Oxisol soil samples (0-20 cm soil layer) with straw added to soil surface at rates of 2; 4; 8; 16 and 24 t∙ha−1 and with or without vinasse addition (200 m3∙ha-1). The following variables were determined: released C-CO2, remaining straw

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Ferdiansyah, Ervan, Handoko Handoko, and Impron Impron. "Model Simulasi PertumbuhanTanaman Jagung Manis Hibrida pada Jarak Tanam yang Berbeda." Jurnal Ilmu Pertanian Indonesia 25, no. 3 (2020): 396–404. http://dx.doi.org/10.18343/jipi.25.3.396.

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A sweet corn model was developed to simulate the growth and development of hybrid-sweet corn under different crop denssities. This research is comparing the data of the simulation model and the actual observation data in the field, which is then presented in graphical form. This model was conducted on six treatment combinations between three types of spacing and two varieties. The simulation model requires meteorological data (average temperature, humidity, precipitation, and radiation), soil water data, and crop chracteristics. There are five of the six plant combinations which graph show tha

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Vyas, D., F. Sayyad, M. Khardiwar, and Shailendra Kumar. "Physicochemical Properties of Briquettes from Different Feed Stock." Current World Environment 10, no. 1 (2015): 263–69. http://dx.doi.org/10.12944/cwe.10.1.32.

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This study was undertaken to evaluate the Physico-chemical properties of eight different types of biomass feed stock and their briquettes were studied among that some properties which are influence their storage and combustion properties like Equilibrium moisture content (EMC %) and Relative humidity (%). Equilibrium moisture content are found out by static equilibrium technique using aqueous glycerol solutions of different concentrations in the relative humidity (RH) range of 40 to 90 % and at ambient temperature between 25 to 37 ºC. The Equilibrium moisture content of briquettes was lower th

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Végsöová, Oľga. "Energy Utilization of Selected Woody Species in Terms of their Impact on the Environment." Advanced Materials Research 1001 (August 2014): 38–44. http://dx.doi.org/10.4028/www.scientific.net/amr.1001.38.

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Among all biomass resources the work concentrates on one of the most important fuel source - dendromass. This paper focuses on comparison of some energy woody species for process of combustion from the aspect of amount of produced emissions, lower calorific value, humidity and presence of solid pollutants. The measured results compare which woody species are more suitable in terms of influence on the environment and surroundings.

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Mutebi, Chrispo, David M. Musyimi, and George T. Opande. "Effect of Cercospora piaropi Tharp and Myrothecium roridum Tode Fries Formulated as Corn Oil Emulsion on Water Hyacinth Shoot Growth under Greenhouse Conditions." Archives of Ecotoxicology 3, no. 1 (2021): 9–12. http://dx.doi.org/10.36547/ae.2021.3.1.9-12.

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A study was done to find out the comparative effect of Cercospora piaropi Tharp and Myrothecium roridum Tode Fries formulated as corn oil emulsion on water hyacinth shoot growth and biomass under greenhouse conditions. The study site was located in Kibos at latitude 0037’S and longitude 37020’E with average temperature of 25 to 300C and 22 to 270C during the day and night respectively, and 60 to 69% relative humidity. Healthy water hyacinth plants were inoculated with the pathogens formulated in corn oil at 1x109, 1x108, 1x107, 1x106 and 1x105spores/ml. The control plants were not inoculated.

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