Showing papers in "Bioresource Technology in 2015"

TL;DR: Sustainable solutions for the performance and application ofConstructed wetlands' application and the recent development on their sustainable design and operation for wastewater treatment are provided by giving a comprehensive review.

TL;DR: This review describes the recent results in hydrothermal liquefaction (HTL) of biomass in continuous-flow processing systems, and process models have been developed, and mass and energy balances determined.

TL;DR: Anaerobic digestion of lignocellulosic biomass provides an excellent opportunity to convert abundant bioresources into renewable energy and its challenges are discussed.

TL;DR: The hematite modified biochar not only had stronger magnetic property but also showed much greater ability to remove As from aqueous solution, likely because the γ-Fe2O3 particles on the carbon surface served as sorption sites through electrostatic interactions.

TL;DR: Biochar supported nanoscale zerovalent iron composite was synthesized and used as an activator for persulfate to enhance the trichloroethylene (TCE) removal in aqueous solutions and enhanced the SO4(-) generation and accelerated TCE degradation.

TL;DR: A state-of-the-art review of the thermochemical conversion technologies of microalgal biomass into fuels is provided and detailed conversion processes and their outcome are addressed.

TL;DR: In this work, a novel approach was developed to prepare an engineered biochar from KMnO4 treated hickory wood through slow pyrolysis (600°C) that had strong sorption ability and the removal of the heavy metals by the biochars was mainly through surface adsorption mechanisms involving both the surface MnOx particles and oxygen-containing groups.

TL;DR: The efficiency of CO2 biosequestration by microalgae species, factors influencing microAlgal biomass productions, microalgal cultivation systems, the potential and limitations of using flue gas for microalGal cultivation as well as the bio-refinery approach of microalegal biomass are discussed.

TL;DR: The need for harmonized assessments such that direct comparisons of alternative processing technologies can be made on the metrics of resource requirements, economic feasibility, and environmental impact is highlighted.

TL;DR: The results showed that feedstock types could also influence characteristics of the biochar with absence of significant effect on properties of biochar for heating time.

TL;DR: High-throughput sequencing was used to reveal the community structures of nine coking wastewater treatment plants in China for the first time and indicated that operation mode, flow rate and temperature might be the key factors in community formation.

TL;DR: This review article focuses on integrating studies on algae pertinent to skin health and beauty, with the purpose of identifying serviceable algae functions in practical cosmetic uses.

TL;DR: Investigation of the relationship between Pb(2+) adsorption and physicochemical properties of biochars produced at different pyrolytic temperatures indicated the dominant role of minerals, and results are useful for screening effective biochar as engineered sorbents to remove or immobilize Pb (2+) in polluted water and soil.

TL;DR: This work explored two modification methods to improve biochar's ability to sorb arsenic (As) and lead (Pb) and found BPB showed the highest sorption enhancement because of the strong As(V) and Pb(II) affinity of its birnessite particles.

TL;DR: This article reviews the state of art research of bioelectrochemical systems for removal and recovery of metal(loid) ions and pertaining removal mechanisms.

TL;DR: The paper suggests that the microwave-assisted pyrolysis of palm residues is a promising route for phenolic-rich bio-oil production, and that the use of supercritical CO2 and switchable hydrophilicity solvents during extraction, as well as molecular distillation techniques, can be applied to increase the recovery of phenolic compounds from bio-oils.

TL;DR: The evolution behaviors of typical gaseous products, CH4, CO2, and CO, were analyzed, and insights about the correlation between chemical structure and pyrolysis behavior were obtained.

TL;DR: A low cost and high capacitance property nitrogen-doped porous carbon with high specific capacitance is prepared, employing potato waste residue as the carbon source, zinc chloride as the activating agent and melamine as nitrogen doping agent.

TL;DR: While microorganisms isolated under mesophilic conditions were prominent throughout the process, thermophilic stages gathered the highest total counts and spore-forming bacteria prevailed at the bio-oxidative phase of composting.

TL;DR: Results suggest that incorporating conductive materials in the design of UASB reactors may enhance digester effectiveness and accelerate syntrophic metabolism in up-flow anaerobic sludge blanket reactors.

TL;DR: Corncob residue, the main by-product in the furfural industry, is used as a precursor to prepare porous carbon by a simple and direct thermal treatment: one-step activation without pre-carbonization.

TL;DR: This review has been aimed to emphasize recent developments on HDO catalysts in effective transformations of biomass-derived platform molecules into hydrocarbon fuels with reduced oxygen content and improved H/C ratios.

TL;DR: Integrated process of VFA production from waste with co-generation of H2 can be considered as a green and sustainable platform for value-addition and illustrated the role of initial pH on carboxylic acids synthesis.

TL;DR: The results suggest that biochar, as composting additive, improved the physical properties of the mixture by preventing the formation of clumps larger than 70 mm, and favoured microbiological activity without a relevant impact on N losses and gaseous emissions.

TL;DR: In this review, the effects on the biomass and lipid production of microalgal Chlorella cultures using different kinds of wastewater were summarized and limitations of wastewater-based ofmicroalgal culture were commented.

TL;DR: Corncob residues were pretreated with deep eutectic solvents and enzymatic saccharification was enhanced in terms of rate and extent, and a total of 41 g fermentable sugars could be recovered from 100g corncob, representing 76% of the initially available carbohydrates.

TL;DR: Electron paramagnetic resonance (EPR) coupled with a salicylic acid trapping method were used to detect free radicals in biochar and verify OH generation from biochar suspensions, providing new insights into the physicochemical properties and environmental implications of biochar.

TL;DR: This paper provides a comprehensive review on using typical low-cost biosorbents obtained from lignocellulose and chitin/chitosan for SOPs adsorption, their characteristics, biosorption mechanism together with utilization for eliminating Sops are presented and discussed.

TL;DR: CO2 reduction to multi-carbon compounds at the cathode using chemolithoautotrophs is an emerging application of microbial electrosynthesis (MES) and hydrogen evolution is potentially the rapid way of transferring electrons to the biocatalysts for higher bioproduction rates.

TL;DR: Theoretical estimates of the methane yields resulting from the anaerobic digestion of the liquid by-products are presented and optimal reaction conditions to maximise these identified.