Abstract：
:In support of the USDA Federal Biobased Products Preferred Procurement Program (FB4P), Iowa State University is coordinating testing to determine the "biobased content" of manufactured products. These tests are part of a process to "designate" items that qualify for preferential procurement status with federal agencies. Biobased content determinations are being performed using three radiocarbon dating procedures specified in ASTM D 6866-05. Test results obtained thus far indicate that the AMS and benzene synthesis methods provide comparable results. Data from the CO(2) cocktail method did not agree as well with the data from the other two methods, but were still in reasonably good agreement with those data. Radiocarbon analysis is shown to be a reliable and valuable tool for verifying the biobased content of a wide variety of biobased products. Based on inter- and intra-laboratory comparisons, a reasonable uncertainty to associate with the analyses would be +/-3% (absolute) for the AMS and benzene synthesis methods. Because of limited data availability, additional work is needed to establish the uncertainty of the CO(2) cocktail method for analyzing biobased products.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Norton GA,Devlin SLdoi
10.1016/j.biortech.2005.08.017subject
Has Abstractpub_date
2006-11-01 00:00:00pages
2084-90issue
16eissn
0960-8524issn
1873-2976pii
S0960-8524(05)00412-8journal_volume
97pub_type
杂志文章abstract：:The valorization of three different manure samples via pyrolysis and combustion processes was evaluated. Dairy manure (sample Pre) was biologically pretreated by anaerobic digestion (sample Dig R) whereas swine manure (sample SW) was pretreated by a biodrying process. Thermal behavior of manure samples were studied by...
journal_title：Bioresource technology
pub_type： 杂志文章
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更新日期：2015-04-01 00:00:00
abstract：:H2, CH4, CO and CO2 yields were measured during supercritical water gasification (SCWG) of primary paper waste sludge (PWS) at 450°C. Comparing these yields with calculated thermodynamic equilibrium values offer an improved understanding of conditions required to produce near-equilibrium yields. Experiments were condu...
journal_title：Bioresource technology
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abstract：:Three geo-textile filtration tubes were used to dewater lagoon solids from a first stage dairy lagoon using chemical amendments (aluminum sulfate and a polymer) to enhance the separation process. This experiment had previously been done without chemical amendment. The chemical amendments speeded the dewatering process...
journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2007.08.080
更新日期：2008-07-01 00:00:00
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journal_title：Bioresource technology
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更新日期：2020-10-01 00:00:00
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journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2011.03.073
更新日期：2011-06-01 00:00:00
abstract：:Psychrophilic microbial fuel cell (PMFC) offers an alternative method for low temperature wastewater treatment, but is seldom reported. In this study, the two-chamber PMFC was constructed at 10 °C using acetate as an electron donor. The maximum voltage under external resistance of 1000 Ω was around 550 mV. The columbi...
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journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2006.09.006
更新日期：2007-09-01 00:00:00
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journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2012.04.002
更新日期：2012-07-01 00:00:00
abstract：:Ensilage is a commonly used method of preserving energy crops for biogas production. However, aerobic deterioration of silage is an inevitable problem. This study investigated the effect of aerobic deterioration on methane production and microbial community dynamics through anaerobic digestion (AD) of maize stalk sila...
journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2017.09.149
更新日期：2018-02-01 00:00:00
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journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2008.01.085
更新日期：2008-11-01 00:00:00
abstract：:The polarities of the cytoplasm and reactants were measured through dielectric spectroscopy, contact angle test, NMR, and FTIR to investigate the mechanisms underlying acid-catalyzed lipid transesterification in wet microalgal cells subjected to microwave irradiation. Organics with apolar functional groups in the cyto...
journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2015.11.005
更新日期：2016-01-01 00:00:00
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journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2011.08.011
更新日期：2011-11-01 00:00:00
abstract：:In this work, the time varying characteristics of microalgal cultures are investigated. Microalgae are a promising source of biofuels and other valuable chemicals; a better understanding of their dynamic behavior is, however, required to facilitate process scale-up, optimization and control. Growth and oil production ...
journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2011.01.081
更新日期：2011-05-01 00:00:00
abstract：:This study demonstrated that the limiting factor to algae growth on dairy wastewater was the ammonia nitrogen deficiency. Dairy wastewaters were mixed with a slaughterhouse wastewater that has much higher ammonia nitrogen content. The results showed the mixing wastewaters improved the nutrient profiles and biomass yie...
journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2015.11.029
更新日期：2016-02-01 00:00:00
abstract：:Pharmaceuticals in surface waters and wastewater treatment plants (WWTPs) as emerging pollutants have become a major concern. In comparison with other wastewater treatments, removal of pharmaceuticals in MBR has received much attention. This review presents the source and occurrence of pharmaceuticals in WWTPs influen...
journal_title：Bioresource technology
pub_type： 杂志文章,评审
doi：10.1016/j.biortech.2018.08.029
更新日期：2018-11-01 00:00:00
abstract：:Cephalosporin residue (CR) was used to produce biochar (BC) and activated carbon (AC) at 600°C (BC600 and AC600). To compare the removal behaviors and mechanisms of Cr(VI) by CR and derived chars, batch adsorption tests were performed in Cr(VI) microenvironment like pH, Cr(VI) concentration, adsorbent dosage, combing ...
journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2017.04.081
更新日期：2017-08-01 00:00:00
abstract：:The main aim of this study was to separate heavy metals and yield crude bio-oil from a heavy metals hyperaccumulator harvest, Sedum plumbizincicola, through hydrothermal upgrading process. Parameters such as granularity, temperature, pressure, and duration were examined for their effect on the removal efficiency of he...
journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2010.04.095
更新日期：2010-10-01 00:00:00
abstract：:The present study investigates the effects of different physico-chemical parameters for the growth of Chlorella sorokiniana and subsequently determination of nutritional values of its biomass. Most suitable temperature, light intensity, pH, and acetic acid concentration were 30°C, 100 μmol m(-2)s(-1), pH 7.5, and 34.8...
journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2014.05.118
更新日期：2014-09-01 00:00:00
abstract：:The applicability of a dynamic membrane (DM) was examined in the anaerobic treatment of high-strength food waste. A DM was established on woven polyester with a pore size of 50 µm, which achieved a solids retention time to hydraulic retention time ratio of 2.1:12.1. The highest average rate of methane production (1.1 ...
journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2019.02.025
更新日期：2019-05-01 00:00:00
abstract：:The effect of Streptomyces griseorubens JSD-1 inoculant on composting performance and bacterial community assembly during the swine manure and rice straw co-composting was studied by a high-throughput pyrosequencing technology. The JSD-1 inoculant contributed to a higher temperature (maximum 66.8 °C), a longer thermop...
journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2020.123692
更新日期：2020-10-01 00:00:00
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pub_type： 杂志文章
doi：10.1016/j.biortech.2018.12.113
更新日期：2019-04-01 00:00:00
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journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2012.04.024
更新日期：2012-07-01 00:00:00
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journal_title：Bioresource technology
pub_type： 杂志文章
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更新日期：2011-12-01 00:00:00
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journal_title：Bioresource technology
pub_type： 杂志文章
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更新日期：2011-02-01 00:00:00
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更新日期：2014-11-01 00:00:00
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pub_type： 杂志文章
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更新日期：2017-10-01 00:00:00
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pub_type： 杂志文章
doi：10.1016/j.biortech.2007.05.050
更新日期：2008-05-01 00:00:00
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journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2017.09.052
更新日期：2017-12-01 00:00:00
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journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2014.08.038
更新日期：2014-11-01 00:00:00
abstract：:Xanthan integrated graphene oxide functionalized by titanium dioxide was successfully prepared through facile, eco-friendly and cost effective ice-templating technique. The three-dimensional (3D) graphene composite demonstrated relatively high temperature stability, chemical functionalities and porous sponge-like stru...
journal_title：Bioresource technology
pub_type： 杂志文章
doi：10.1016/j.biortech.2020.123296
更新日期：2020-08-01 00:00:00
