Abstract: Methods for treating wastewater and dewatering a discharge sludge stream are provided. In an exemplary embodiment, a method for treating wastewater includes adding oxygen to a wastewater to produce a treated wastewater, and separating a wastewater sludge stream from the treated wastewater. The wastewater sludge stream is split to produce a recycle sludge stream and a discharge sludge stream, and the recycle sludge stream is added to the wastewater such that the oxygen is added to the recycle sludge stream and the wastewater. A peroxide source is added to the discharge sludge stream, and the discharge sludge stream is dewatered to produce a sludge cake and a sludge liquid portion.

Abstract: A polyaryletherketone, PAEK, in the form of particles is a copolymer with at least 95 mole % repeat units of formula I, and repeat units of formula II, and a molar ratio I:II from 55:45 to 80:20. The PAEK has a melt viscosity, MV, from 0.35 to 0.55 kNsm?2 at 1000 s?1. The PAEK is of use in formation of components having high elongation at break when formed by selective sintering and melt-bonding of sequentially deposited layers of powder comprising the PAEK particles. Also provided are processes for making the PAEK particles, powders including them and their use and methods of their use in component formation.

Abstract: A method for manufacture of PEEK-PEDEK copolymers is described herein, along with copolymers formed by the method and their use. The method includes a nucleophilic polycondensation of a mixture of dihydroxybenzene and dihydroxybiphenyl with 4,4?-dihalobenzophenone in a reaction mixture comprising sodium carbonate and potassium carbonate, in an aromatic sulfone solvent, at a reaction temperature rising to a temperature from 280° C. to 330° C. immediately prior to the addition of a reaction-stopping salt, such as LiCl or Li2SO4, to the reaction mixture. Further organic dihalide is subsequently added to the reaction mixture for end-capping of the copolymer. The resulting copolymer has reduced chain branching and reduced melt viscosity at low shear rate compared to prior art copolymer of comparable molecular mass.

Abstract: A fused filament fabrication filament, method and process, for layer-wise formation of a component, wherein the filament, method and process comprise feedstock material comprising a polyaryletherketone, PAEK and optionally, one or more filler means.

Abstract: Systems and method to provide and encourage cross-industry collaboration between and amongst independent business partners designed to serve the needs of the indirect channel. Through the system, participating Members search for potential partners based on validated credentials across vendor ecosystems and professional certifications. Results can be further refined using additional filters including the use of keywords and location based attributes. Members review prospective partners' profiles and ratings, which may be obtained from fellow partners, to screen and select partners with whom they can share potential business through registered Customer Opportunities, i.e. Collaborations. Upon closing new business, the system provides tools to track each Collaboration's progress all the way through to the claims process where collaborating partners share in the aggregated Rewards earned from Sponsoring vendor organizations.

Abstract: A string trimmer comprising an elongate shaft, a cutting head rotatably mounted on one end of the elongate shaft wherein the head comprises: a base; a cap; a spool rotatable mounted in the cap; an autofeed mechanism mounted within the cap and which interacts between the cap and the spool; wherein the cap is releasably attachable to the base. The cap clips into the base. The cap comprises a first part, and the base comprises a second part wherein two resilient deformable arms having ribs formed on the end of the arms are mounted on one part and which engage with corresponding holes formed in the other part.

Abstract: A string trimmer comprising an elongate shaft, a cutting head rotatably mounted on one end of the elongate shaft wherein the head comprises: a base; a cap; a spool rotatable mounted in the cap; an autofeed mechanism mounted within the cap and which interacts between the cap and the spool; wherein the cap is releasably attachable to the base. The cap clips into the base. The cap comprises a first part, and the base comprises a second part wherein two resilient deformable arms having ribs formed on the end of the arms are mounted on one part and which engage with corresponding holes formed in the other part.