Sampling at RumuodomayaRumuodome and Ogale in Rivers Stateusing basins fastened to a Table 2M above ground and 120M from high features Rainwater was analysed after treatment using Agilent GCFID

Results show cumulative TPHs at R/R were 56551 mg/L, 39201 mg/L and 7283 mg/L, Ogale: 9217 mg/L, 59923 mg/L and 21825 mg/L. Aliphatic hydrocarbons: C5-C8 were < 1, low contamination, other carbon aggregates (C9-C16, C17-C35, and C36-C40) indicate high contamination. Chemometric assessment showed high contamination. TPHs aggregates at Rumuodomaya/Rumuodome were-C8-C11 (134 and 105) early rain, C18-C25 and C26-C33 has Carbon preference index of 187 and 130 (mid-rain), C26-C33 has CPI of 188 (late-rain), Ogale area, C26-C33 has CPI of 132 (early-rain), mid-rain C8-C11 (268) and C12-C17 (568). Pristane/phytane ratio indicated biogenic and pyrogenic sources. Average carbon length of TPHs for odd n-alkanes were C9-C11 (946) and C35-C39 (3880), C9-C11(1038), C35-C39 (3610); C9-C11 (1040) and C35-C39 (3634).

Average daily intake depicted possible health issues for children and adults as hazard index > 1 for aromatics.A Wavy Two-Dimensional Covalent Organic Framework from Core-Twisted Polycyclic Donostia-San Sebastian E-20018 , Spain.of Aveiro , Aveiro 3810-193 , Portugal.University , Suita , Osaka 565-0871 , Japan.A high degree of crystallinity is an essential aspect in two-dimensional covalent organic frameworks, as many properties depend strongly on the structural arrangement of the different layers and their constituents. 6-butyl-n-hydroxynaphthimide trifluoromethanesulfonic acid in Medicinal Chemistry introduce herein a new design strategy based on core-twisted polycyclic aromatic hydrocarbon as rigid nodes that give rise to a two-dimensional covalent organic framework with a wavy honeycomb (chairlike) lattice. The concave-convex self-complementarity of the wavy two-dimensional lattice guides the stacking of framework layers into a highly stable and ordered covalent organic framework that allows a full 3D analysis by transmission electron microscopy revealing its chairlike honeycomb facets and aligned mesoporous channels.

Remarkably, the waviness of the framework does not disrupt the interlayer π-π stacking that shows charge transporting properties similar to those of planar covalent organic frameworks. The implementation of core-twisted aromatics as building blocks for covalent organic frameworks brings new possibilities in the design of highly Synthesis of Polysubstituted Iodoarenes Enabled by Iterative Iodine-Directed Science and Technology, Avda. Països Catalans 16, 43007, Tarragona, Spain.Among halogenated aromatics, iodoarenes are unique in their ability to produce the bench-stable halogen(III) form. Earlier, such iodine(III) centers were shown to enable C-H functionalization ortho to iodine via halogen-centered rearrangement. The broader implications of this phenomenon are explored by testing the extent of an unusual iodane-directed para C-H benzylation, as well as by developing an efficient C-H coupling with sulfonyl-substituted allylic silanes. Through the combination of the one-shot nature of the coupling event and the iodine retention, multisubstituted arenes can be prepared by sequentially engaging up to three aromatic C-H sites.

This type of iodine-based iterative synthesis will serve as a tool for the formation of value-added © 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.Impact of Alternative Jet Fuels on Engine Exhaust Composition During the 2015 ECLIF Ground-Based Measurements Campaign.The application of fuels from renewable sources ("alternative fuels") in aviation is important for the reduction of anthropogenic carbon dioxide emissions, but may also attribute to reduced release of particles from jet engines. The present experiment describes ground-based measurements in the framework of the ECLIF (Emission and Climate Impact of Alternative Fuels) campaign using an Airbus A320 (V2527-A5 engines) burning six fuels of chemically different composition. Two reference Jet A-1 with slightly different chemical parameters were applied and further used in combination with a Fischer-Tropsch synthetic paraffinic kerosene (FT-SPK) to prepare three semi synthetic jet fuels (SSJF) of different aromatic content. In addition, one commercially available fully synthetic jet fuel (FSJF) featured the lowest aromatic content of the fuel selection.

Neither the release of nitrogen oxide or carbon monoxide was significantly affected by the different fuel composition. The measured particle emission indices showed a reduction up to 50% (number) and 70% (mass) for two alternative jet fuels (FSJF, SSJF2) at low power settings in comparison to the reference fuels. The reduction is less pronounced at higher operating conditions but the release of particle number and particle mass is still significantly lower for the alternative fuels than for both reference fuels. The observed correlation between emitted particle mass and fuel aromatics is not strict. Here, the H/C ratio is a better indicator for soot emission.Characteristics of microbial community functional structure of a biological Nitrogenous heterocyclic compounds are key pollutants in coking wastewater; however, the functional potential of microbial communities for biodegradation of such contaminants during biological treatment is still elusive.