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... High phosphorus steel slag and carbonized rice husk are two common wastes characterized by high generation and low secondary use values. Through the reduction of high phosphorus steel slag by biomass, both wastes were fully utilized, thus reducing the negative impact on the environment. In this study, variables such as temperature, time, and amount of reactants were changed to determine the optima ...
Muhammad Usman; Muhammad Zia-ur-Rehman; Muhammad Rizwan; Tahir Abbas; Muhammad Ashar Ayub; Asif Naeem; Hesham F. Alharby; Nadiyah M. Alabdallah; Basmah M. Alharbi; Muhammad Javid Qamar; Shafaqat Ali
... Cadmium (Cd) is getting worldwide attention due to its continuous accumulation in agricultural soils which is due to anthropogenic activities and finally Cd enters in food chain mainly through edible plants. Cadmium free food production on contaminated soils is great challenge which requires some innovative measures for crop production on such soils. The current study evaluated the efficiency of z ...
peanut hulls; walnut hulls, etc ; chemometrics; cumin; food composition; least squares; models; peanuts; pecan shells; prediction; wavelengths; Show all 11 Subjects
Abstract:
... Cumin is a valuable spice for medical and food applications. Nevertheless, reports of the presence of undeclared adulterants in cumin require the development of analytical methods for its authentication. The goal of this study was to develop a new analytical method based on NIR-HSI (900–1710 nm) and chemometrics to detect low-cost adulterants peanut shell, pecan shell and walnut shell in cumin. PC ...
hulls, etc ; Carya illinoinensis; acetylcholinesterase; ethyl acetate; research; Show all 5 Subjects
Abstract:
... Two undescribed diarylheptanoids, 3-(R)-acetyl-1-(3′,4′-dihydroxyphenyl)-7-(4′′-hydroxy-3′′ -methoxyphenyl)-heptane (1) and 11-Hydroxy-1,17-epoxy-7-(2-hydroxylphenyl)-13-(16-methoxyphenyl)-heptane (2) together with known compounds, namely, 11-Oxo-1,17-epoxy-7-(2-hydroxylphenyl)-13-(16-methoxyphenyl)-heptane (3) 3,4,5-Trihydroxytetralone (4) 4,8- Dihydroxytetralone (5), 4,5-Dihydroxytetralone (6), ...
... The aim of this study was to evaluate peanut shells and rice husks as bedding for dairy cows. We analyzed material properties including dry matter, water holding capacity, pH level and bacterial counts. Bedding treatments were compared with a one-way ANOVA using twelve cows split into three groups. Colostrum microbiota was analyzed by sequencing of the V3–V4 region of the 16S rRNA gene. Dry matter ...
rice hulls, etc ; air; biomass; fluid mechanics; models; technology; Show all 6 Subjects
Abstract:
... Visual understanding of air and particle flow is important and useful in guiding biomass combustor design. This study investigates the effects of declination angles of tangential and secondary air pipes in a low-density biomass combustor chamber to achieve perfect contact between air and rice husk particle. The simulation was aided by computational fluid dynamics (CFD) method using the standard k- ...
rice hulls, etc ; composts; fermentation; nitrogen; phosphogypsum; poultry manure; urea; Show all 7 Subjects
Abstract:
... To explore the effectiveness of urea replacing poultry manure as the nitrogen source in the rice husk composting system, and to promote the utilization of compost products as substrates, 0%, 10%, 20%, and 30% of phosphogypsum were added respectively in the urea composting system, and were compared with the chicken manure composting (RCP0). Finally, the fermentation and maturation of RCP0 were achi ...
rice hulls, etc ; agitation; air temperature; biochar; heat; income; technology; Show all 7 Subjects
Abstract:
... The continuous-type rice hull (CtRH) carbonizer was developed to help promote the use of rice hull biochar in rice-based farming, while also utilizing its generated heat in value-adding operations that could provide farmers added income opportunities. In this study, a newly fabricated multi-commodity dryer attachment of the carbonizer was subjected to an optimization test to investigate the effect ...
hulls, etc ; aerial photography; coconuts; fruits; industry; research; surveys; Indonesia; Show all 8 Subjects
Abstract:
... The objective of this research is to know the local tall coconut population, production and productivity in Taliabu Island, North Maluku Province, which is crucial for the industry. The aerial photography method using drones has been carried out to determine the distribution of coconut diversity, palm age, production potential and local coconut productivity. Production data and coconut fruit compo ...
rice hulls, etc ; aerodynamics; air flow; brown rice; paddies; turbulent flow; Show all 6 Subjects
Abstract:
... Aerodynamic separation of rice husks from brown rice grains after paddy husking is one of the important processes in rice processing. So far, the realisation of complete separation of rice husks from brown rice is still a challenging task. In this study, computational fluid dynamics (CFD) and discrete element method (DEM) were used to simulate the process, and the simulation results were verified ...
hulls, etc ; adsorption; cadmium; circular economy; compliance; desorption; lentils; solutes; technology; Show all 9 Subjects
Abstract:
... The presented study is an experimentation on bioadsorption of cadmium on lentil husk (LH) stacked in fixed bed column reactor. Here the concept of circular economy is integrated to demonstrate its compliance with biological adsorption. In addition sustainability evaluation of the work has been done with respect to environmental, economical and executional procedure. As regard to experimentation ad ...
walnut hulls, etc ; agriculture; finite element analysis; seeds; simulation models; walnuts; Show all 6 Subjects
Abstract:
... Walnut shell breaking is the first step of deep walnut processing. This study aims to investigate the mechanical properties and fracture state of the Qingxiang walnut shell under unidirectional load and guide the complete separation of the walnut shell and kernel. The spherical thin shell model of the walnut (the fitting error is less than 5%) was established and verified. The process from the ini ...
hulls, etc ; bioinformatics; data collection; fermentation; fungi; mead; microbiome; variance; Ethiopia; Show all 9 Subjects
Abstract:
... This dataset contains raw and analyzed microbial data for the samples of spontaneously fermented Ethiopian honey wine, Tej, collected from three locations of Ethiopia. It was generated using culture independent amplicon sequencing technique. To gain a better understanding of microbial community variance and similarity across Tej samples from the same and different locations, the raw sequenced data ...
hulls, etc ; Anthrosols; Cambisols; human health; paddies; rice; risk; water management; Show all 8 Subjects
Abstract:
... The accumulation of trace elements in rice, such as antimony (Sb), has drawn special attention owing to the potential increased risk to human health. However, the effects of two common irrigation methods, alternate wetting and drying and continuous flooding, on Sb behaviors and subsequent accumulation in rice is unclear. In this study a pot experiment with various Sb additions (0, 50, 200, 1000 mg ...
rice hulls, etc ; adsorption; biochar; lead; surface area; wastewater; wastewater treatment; Vietnam; Show all 8 Subjects
Abstract:
... In this work, alginate-modified biochar derived from rice husk waste was synthesized using a simple process. The modified biochar (MBC) and rice husk biochar (RhBC) were investigated for removing Pb (II) ions in wastewater. The BET result displayed significantly improved specific surface area of MBC up to 120 m²/g along with a total pore volume of 0.653 cm³/g. FTIR spectrums presented the higher o ...
rice hulls, etc ; biofuels; feedstocks; fluidized beds; labor; nitrogen; pyrolysis; sawdust; technology; Show all 9 Subjects
Abstract:
... A techno-economic analysis of bio-oil production from co-pyrolysis of sawdust and rice husk blend was performed to assess the feasibility of scaling up the plant capacities. The analysis was conducted at plant capacities of 0.1 kg/h, 100 kg/h and 1000 kg/h in USD currency. Technology evaluation was based on an optimum bio-oil yield of 51.9 % and a blending ratio of sawdust to rice husk 50:50 using ...
walnut hulls, etc ; Cenchrus americanus; biochar; biofuels; biomass; coal; lignocellulose; temperature; torrefaction; Show all 9 Subjects
Abstract:
... The torrefaction of lignocellulose biomass was conducted to produce biochar with properties compatible with coal. Two lignocellulose biomasses, pearl millet (PM) and walnut shell (WS), were torrefied at different process temperatures (230–300 °C), residence times (30–90 min), and different compositional biomass blends to improve the characteristics of the biochar product. The resulting biochar pro ...
rice hulls, etc ; activated carbon; adsorbents; gasification; industrial wastewater; polyethylene; porosity; temperature; Show all 8 Subjects
Abstract:
... A char (GC) obtained from the co-gasification of rice husk and polyethylene was used in a fixed-bed column with continuous flow for Cr(III) removal assays from synthetic and industrial wastewaters. For comparison purposes, a commercial activated carbon (CAC) was also used. The best experimental conditions in the continuous removal assays were the following ones: Cr(III) inflow concentration = 5 mg ...
hulls, etc ; adsorption; cellulose; fabrics; immobilized enzymes; laccase; malachite green; nanocarriers; wastewater; Show all 9 Subjects
Abstract:
... In this study, the synthesis of nanocellulose (NC) from an agro-waste of quinoa husks (QS) was reported for the first time. The NC nano-carrier was utilized for immobilization of a model laccase enzyme (PersiLac1) providing an innovative, green, and practical nano-biocatalyst for efficient removal of two different model dyes (malachite green (MG) and congo red (CR)) from water. This nano-biocataly ...
rice hulls, etc ; biomass; carbon dioxide; energy; lignite; pyrolysis; reaction mechanisms; synergism; Show all 8 Subjects
Abstract:
... The techniques of co-utilization of biomass and coal are of wide concern due to the benefit of CO₂ reduction. Although the co-pyrolysis process was extensively studied over the past few years, the effects of different rank coals on synergetic effect and volatile interaction mechanisms remained unclear. In this work, co-pyrolysis of rice husk (RH) and three different rank coals was comprehensively ...