Nanoparticle-associated single step hydrogen fermentation for the conversion of starch potato waste biomass by thermophilic Parageobacillus thermoglucosidasius.

abstract：:An anaerobic-aerobic sequencing batch reactor with a sludge age of 8 days and anaerobic + aerobic + settling times of 18 + 5 + 1 h, was used to decolorize an azo-reactive dye wastewater. The nutrient broth (NB) and sodium acetate (SA) solution at 500 + 0, 350 + 150, 250 + 250 and 0 + 500 mg/l as COD was fed to the sys...

journal_title：Bioresource technology

authors： Panswad T,Iamsamer K,Anotai J

更新日期：2001-01-01 00:00:00

abstract：:Two identical 31 completely mixed reactors with solids recycling capabilities were used to investigate the effects of hydraulic retention time (HRT) and low temperatures on volatile fatty acid (VFA) production. One reactor was fed with a 1:1 ratio of diluted primary sludge and a starch-rich industrial wastewater, whil...

journal_title：Bioresource technology

authors： Maharaj I,Elefsiniotis P

更新日期：2001-02-01 00:00:00

abstract：:The losses of weight and organic matter of a sludge caused by thermal treatments at 180 degrees C, 300 degrees C and 400 degrees C were determined in order to assess how the possibilities of sludge use were influenced. The sludge heated at 180 degrees C lost small amounts of weight and organic matter (9.8%) but the lo...

journal_title：Bioresource technology

authors： Obrador A,Rico MI,Alvarez JM,Novillo J

更新日期：2001-02-01 00:00:00

abstract：:Production of oxalic acid from sugar beet molasses was developed in a series of three reactors. Nitrogen oxides formed were used to manufacture oxalic acid in the second and third reactor. Parameters affecting the reaction were determined to be, air flow rate, temperature, the amount of V2O5 catalyst and the concentra...

journal_title：Bioresource technology

authors： Gürü M,Bilgesü AY,Pamuk V

更新日期：2001-03-01 00:00:00

abstract：:Papain was modified using succinic anhydride, and the modified papain so obtained was compared with the native papain for its activity and stability in detergents. This study was done using commercial enzyme detergents as references. It was found that modified papain retained activity comparable to the commercial enzy...

journal_title：Bioresource technology

authors： Khaparde SS,Singhal RS

更新日期：2001-05-01 00:00:00

abstract：:Some aspects of the suitability of alginate beads entrapping Chlamydomonas reinhardtii cells for nitrate consumption from nitrate-containing waters were studied and discussed. Among 14 different metal cations tested as gel bead stabilizing agents, only calcium and barium formed beads showing nitrate-consuming activity...

journal_title：Bioresource technology

authors： Vílchez C,Garbayo I,Markvicheva E,Galván F,León R

更新日期：2001-05-01 00:00:00

abstract：:Phytoremediation is an emerging technology that uses plants to clean up pollutants (metals and organics) from the environment. Within this field of phytoremediation, the utilization of plants to transport and concentrate metals from the soil into the harvestable parts of roots and above-ground shoots is usually called...

journal_title：Bioresource technology

authors： Garbisu C,Alkorta I

更新日期：2001-05-01 00:00:00

abstract：:The yields of char residue, fixed carbon, and inorganic carbonate were measured for oxidized black liquor char residues produced in a laboratory laminar entrained-flow reactor (LEFR) at heating rates of 4000-13,000 degrees C/s. The char residue yields at the end of devolatilization thus obtained decreased nearly linea...

journal_title：Bioresource technology

authors： Sricharoenchaikul V,Hicks AL,Frederick WJ

更新日期：2001-04-01 00:00:00

abstract：:A study of the anaerobic digestion of wastewater derived from the production of protein isolates from extracted sunflower flour was carried out in a laboratory-scale, mesophilic (35 degrees C) fluidized-bed reactor with saponite as bacterial support. Chemical oxygen demand (COD) removal efficiencies in the range of 98...

journal_title：Bioresource technology

authors： Borja R,González E,Raposo F,Millán F,Martín A

更新日期：2001-01-01 00:00:00

abstract：:Glucose oxidase production was optimized using an isolated strain of Aspergillus niger and an economical nutrient source, corn steep liquor (CSL). The culture produced 580 +/- 30 units/ml of the enzyme using 70 g/l sucrose as the carbon source. Using CSL as the sole nutrient source enzyme synthesis was increased to 64...

journal_title：Bioresource technology

authors： Kona RP,Qureshi N,Pai JS

更新日期：2001-06-01 00:00:00

abstract：:Proteins which are found in integral defatted sunflower flour (27% of protein in dry weight) allow us to produce a protein concentrate by means of extraction of proteins with a basic pH solution, followed by their precipitation with an acid pH solution. Once the suitable conditions for pH and temperature were fixed in...

journal_title：Bioresource technology

authors： Ordóñez C,Asenjo MG,Benitez C,González JL

更新日期：2001-06-01 00:00:00

abstract：:An alkalothermophilic Thermomonospora sp. producing high levels of xylanase was isolated from self-heating compost. The culture produced 125 IU/ml of xylanase when grown in shake flasks at pH 9 and 50 degrees C for 96 h. The culture filtrate also contained cellulase (23 IU/ml), mannanase (1 IU/ml) and beta-xylosidase ...

journal_title：Bioresource technology

authors： George SP,Ahmad A,Rao MB

更新日期：2001-07-01 00:00:00

abstract：:A. niger cellulase was crosslinked by glutaraldehyde to obtain a heat-stable enzyme preparation for rice hull cellulose hydrolysis. Under optimized crosslinking conditions of 0.12 M glutaraldehyde, pH 7.0, temperature 40 degrees C and at 45 min of crosslinking, a preparation having 15% more activity than free enzyme w...

journal_title：Bioresource technology

authors： Sharma A,Khare SK,Gupta MN

更新日期：2001-07-01 00:00:00

abstract：:Levoglucosan (LG), 1,6-anhydro-beta-D-glucopyranose, was produced by pyrolysis of cellulose. A response surface method was used to optimize the reaction parameters: X1, temperature; X2, time required for heating cellulose from room temperature to the designed pyrolysis temperature; and X3, vacuum, and a Box-Behnken de...

journal_title：Bioresource technology

authors： Zhuang XL,Zhang HX,Yang JZ,Qi HY

更新日期：2001-08-01 00:00:00

abstract：:In this study, we examined the effect of oxygen delignification on the rate and extent of enzymatic hydrolysis (using commercial cellulase and beta-glucosidase) of a number of lignocellulosic substrates, including kraft pulp (model substrate), pulp mill primary clarifier sludge (PCS) and steam-exploded Douglas fir chi...

journal_title：Bioresource technology

authors： Draude KM,Kurniawan CB,Duff SJ

更新日期：2001-09-01 00:00:00

abstract：:A study on the composting of residues of cotton gin previously crushed or uncrushed is presented in this work. A multifactor analysis of correlation for each one of the treatments revealed that the final results obtained during the composting process of cotton residuals were very different according to whether the res...

journal_title：Bioresource technology

authors： Tejada M,Dobao MM,Benitez C,Gonzalez JL

更新日期：2001-09-01 00:00:00

abstract：:In recent years, there has been an intensive research on fungal decolorization of dye wastewater. It is becoming a promising alternative to replace or supplement present treatment processes. This paper examines various fungi, living or dead cells, which are capable of decolorizing dye wastewaters; discusses various me...

journal_title：Bioresource technology

authors： Fu Y,Viraraghavan T

更新日期：2001-09-01 00:00:00

abstract：:The effect of different natural zeolite concentrations on the anaerobic digestion of piggery waste was studied. Natural zeolite doses in the range 0.2-10 g/l of wastewater were used in batch experiments, which were carried out at temperatures between 27 degrees C and 30 degrees C. Total chemical oxygen demand (COD), t...

journal_title：Bioresource technology

authors： Milán Z,Sánchez E,Weiland P,Borja R,Martín A,Ilangovan K

更新日期：2001-10-01 00:00:00

abstract：:In vitro nitrogen fixation, phosphate solubilization, survival and nutrient release by the three strains of Azotobacter (Mac-27, nitrogen fixer; PS-21, phosphate solubilizer and MSX-9, a phytohormone producer) in an aquatic system using three different organic substrates (cow-dung, piggery and poultry waste/excreta) w...

journal_title：Bioresource technology

authors： Garg SK,Bhatnagar A,Kalla A,Narula N

更新日期：2001-11-01 00:00:00

abstract：:Crop residues are a vital organic resource and their extensive use in soil management for sustainable agriculture is widely advocated. The effects of soybean residue (SR) and wheat residue (WR) applied alone or in combination with fertilizer P (FP) on dynamics of labile P, distribution of P fractions and P sorption in...

journal_title：Bioresource technology

authors： Reddy DD,Rao AS,Singh M

更新日期：2001-11-01 00:00:00

abstract：:Tropical rain forests are characterized by large numbers of the species with diverse growth habits. The objective of the present study was to determine the distribution of nutrient content in the major trees of the tropical rain forests in Xishuangbanna. This will improve the understanding of the nutrient losses from ...

journal_title：Bioresource technology

authors： Shanmughavel P,Sha L,Zheng Z,Cao M

更新日期：2001-12-01 00:00:00

abstract：:Spirodela punctata 7776, the best duckweed strain in total protein production selected from in vitro screening experiments with synthetic swine lagoon water medium was examined for N and P recovery. It has shown a capability to grow in and to remove N and P from synthetic swine lagoon water with high N (240 mg NH4 N/l...

journal_title：Bioresource technology

authors： Cheng J,Bergmann BA,Classen JJ,Stomp AM,Howard JW

更新日期：2002-01-01 00:00:00

abstract：:The studies were conducted for two years during 1996-1997 and 1997-1998 to evaluate the impact of different waste materials wheat bhusa (chopped wheat straw), paddy straw, sawdust and thermocole sheet (a type of polystyrene board) as inner packing, and in combination with polythene sheets as outer packing, on the broo...

journal_title：Bioresource technology

authors： Abrol DP

更新日期：2002-01-01 00:00:00

abstract：:The effects of the addition of powered particles of kaolin to nitrifying activated sludge systems were studied. Kaolin was added to a nitrifying activated sludge reactor, during the operational phase, to observe the effects of this clay on reactor performance. The results were compared to those obtained from a similar...

journal_title：Bioresource technology

authors： Campos JL,Garrido JM,Méndez R,Lema JM

更新日期：2002-02-01 00:00:00

abstract：:Thermoalkaliphilic Bacillus sp. JB-99 was grown in a 250 ml Erlenmeyer flask containing 50 ml medium containing (g/l) Pigeon pea waste 10; NaNO3, 5.0; K2HPO4, 5.0; MgSO4 x 2H2O, 0.2 and Na2CO3, 10.0. Incubations were carried out at 50 degrees C on a rotary incubator shaker for 15 h. A high level of extra cellular ther...

journal_title：Bioresource technology

authors： Johnvesly B,Manjunath BR,Naik GR

更新日期：2002-03-01 00:00:00

abstract：:A study was conducted to determine the effect of various low cost organic wastes as flavinogenic factors and the various concentrations at which they induced flavinogenecity resulting in higher yields of riboflavin. A high-yielding riboflavin strain; Eremothecium ashbyii NRRL 1363 was chosen to determine the flavinoge...

journal_title：Bioresource technology

authors： Kalingan AE,Liao CM

更新日期：2002-05-01 00:00:00

abstract：:Carps are the mainstay of Indian aquaculture, contributing over 90% to the total fish production, which was estimated to be 1.77 million metric tonnes in 1996. Carp culture has a great potential for waste utilization and thus for pollution abatement. Many wastes such as cow, poultry, pig, duck, goat, and sheep excreta...

journal_title：Bioresource technology

authors： Sehgal HS,Sehgal GK

更新日期：2002-05-01 00:00:00

abstract：:The objective of this experimental work was to examine the efficiency of giant reed (Arundo donax L.), as a source of biomass production and as a biofiltering device for sewage effluents. Two giant reed populations were cultivated in a closed gravel hydroponic system, where pig's waste was used as a nutrient solution....

journal_title：Bioresource technology

authors： Mavrogianopoulos G,Vogli V,Kyritsis S

更新日期：2002-04-01 00:00:00

abstract：:Conditions for a natural fermentation during ensilage of sardines or their waste in sugarcane molasses (60:40 w/w) were evaluated regarding the effect of temperature (15, 25 and 35 degrees C), anaerobiosis (closed vs. open jars), daily stirring of the mixture, and salt addition to the initial mix at 5% (w/w) level. Su...

journal_title：Bioresource technology

authors： Zahar M,Benkerroum N,Guerouali A,Laraki Y,El Yakoubi K

更新日期：2002-04-01 00:00:00

abstract：:The influence of independent variables in the pulping of wheat straw by use of an ethanol-acetone-water mixture [processing temperature and time, ethanol/(ethanol + acetone) value and (ethanol + acetone)/(ethanol + acetone + water) value] and of the number of PFI beating revolutions to which the pulp was subjected, on...

journal_title：Bioresource technology

authors： Jiménez L,Pérez I,López F,Ariza J,Rodríguez A

更新日期：2002-06-01 00:00:00