Showing papers in "Bioresource Technology in 2003"

TL;DR: The acid-catalyzed process using waste cooking oil proved to be technically feasible with less complexity than the alkali-catalystzed process, thereby making it a competitive alternative to commercial biodiesel production by the alkaline-catalyszed process.

TL;DR: Plant capacity and prices of feedstock oils and biodiesel were found to be the most significant factors affecting the economic viability of biodiesel manufacture.

TL;DR: The source microorganisms and properties of thermostable starch hydrolysing amylases, xylanases, cellulases, chitinases, proteases, lipases and DNA polymerases are discussed and the industrial needs for such specific thermostably enzyme and improvements required to maximize their application in the future are suggested.

TL;DR: Structural studies will further improve the understanding of the mechanism of action of these enzymes and aid in improving and selecting better candidates for increased production of poly(3-hydroxybutyrate) (PHB) production.

TL;DR: It is proposed that in batch or stirred tank reactors, both adsorbents can be an attractive option for dye adsorption.

TL;DR: Experimental results show all carbons were effective for the removal of pollutants from water and are expected to be economically viable for wastewater treatment.

TL;DR: Corn stover was pretreated with aqueous ammonia in a flow-through column reactor, a process termed ammonia recycled percolation (ARP), and the enzymatic digestibility was related with the removal of lignin and hemicellulose, perhaps due to increased surface area and porosity.

TL;DR: In this study, moisture content proved to be a dominant factor impacting aerobic microbial activity of the composting blend and the enhancement of composting activities induced by temperature increment could be realized by increasing moisture content alone.

TL;DR: In this article, a need statement is visualised based on a holistic concept of food production for the vegetable industry, recording occurrence, quantities and utilisation of the residual products, and a literature survey, covering more than 160 articles from all over the world, plus their own investigations summarises the latest knowledge in the above-mentioned field and outline prospects for future economic treatment of vegetable co-products.

TL;DR: Investigation of possible methods to enhance the rate of biodegradation of oil sludge from crude oil tank bottom, thus reducing the time usually required for bioremediation found that the level of amendments, incubation time and combination of amendments significantly influenced bacterial growth, protein concentration and surface tension at a 1% probability level.

TL;DR: The results indicate that induced struvite formation is a technically feasible method to remove N and P from swine lagoon liquid and it may allow swine producers to recover nutrients for off-farm sale.

TL;DR: The present article is an attempt to familiarise the reader with pertinent information regarding the effects, mainly athermal, of microwave irradiation on biologic systems, especially microorganisms.

TL;DR: It was found that recovery of Cd(II) from synthetic wastewater by column operation was better than a batch process.

TL;DR: In this article, the authors investigated the Cr(VI) biosorption potential of immobilized Rhizopus nigricans and to screen a variety of non-toxic desorbing agents, in order to find out possible application in multiple sorption-desorption cycles.

TL;DR: Red grape marc was rich in polyphenol compounds with a clear antioxidant activity, and Grape seeds seemed to give the highest contribution to such AA, as they contained high quantities of proanthocyanidines, a type of flavonoid known for its high antioxidant properties.

TL;DR: Temperature is the most important factor when considering the reduction of pathogens in BGP, but there are also other factors involved.

TL;DR: This study examined the ability of Microspora and Lemna minor to remove soluble lead and nickel under various laboratory conditions and found no synergistic/antagonistic effect was noted for the multiple metal experiments, in terms of metal removal.

TL;DR: Kudzu was found to be an effective adsorbent for basic dye colour removal; though its capacity for colour removal was not as high as an activated carbon, the potential appeared to exist to use it as an alternative to activated carbon where carbon cost was prohibitive.

TL;DR: A semi-continuously mixed mesophilic tubular anaerobic digester was tested for the conversion of fruit and vegetable waste intoBiogas and 75% conversion efficiency of FVW into biogas with a methane content of 64% was achieved.

TL;DR: The recommended properties of the rice straw-wood particle composite boards are described, to absorb noises, preserve the temperature of indoor living spaces, and to be able to partially or completely substitute for wood particleboard and insulation board in wooden constructions.

TL;DR: The amount of corn stover that can be sustainably collected is estimated to be 80-100 million dry tonnes/yr (t/yr), a majority of which would be available to ethanol plants in the near term as only a small portion is currently used for other applications.

TL;DR: A comparative study was conducted between exotic and local species of earthworms for the evaluation of their efficacy in vermicomposting of municipal solid waste (MSW), resulting in significant difference between the two species in their performance.

TL;DR: The results show that the chitosan is a potential bactericide under various environmental conditions and organic acids with low carbon number were better solvents for chitOSan than were inorganic acids.

TL;DR: It was found that changing the piling scale of the compost material was a major factor in gas emission rates.

TL;DR: The results obtained from this study suggest that the leaf and bark essential oils of C. japonica are promising as larvicides against A. aegypti larvae and could be useful in the search for new natural larvicidal compounds.

TL;DR: Results of adsorption experiments showed that three insoluble polymers with different degrees of beta-CD exhibited high sorption capacities toward dyes.

TL;DR: The data indicate that source material had considerable influence on the physical and chemical properties of the carbonized products and several significant correlations were observed.

TL;DR: The ability of a commercial immobilized lipase from Rhizomucor miehei (Lipozyme IM-77) to catalyze the transesterification of soybean oil and methanol was investigated in this study.

TL;DR: It was observed that the maximum metal uptake was reached in less than 2 h and a decline in solution proton concentration (pH increase) and release of calcium, magnesium, potassium and sodium from the cocoa shells was demonstrated.

TL;DR: The SBR proved to be a very flexible tool, and was particularly suitable for the treatment of piggery wastewater, characterized by high nutrient content and by frequent changes in composition and therefore affecting process conditions.