Terrorism, rugby, and hospitality: she’ll be right

In 2011, international attention was focussed on New Zealand, host of the Rugby World Cup (RWC 2011), which brought 133,200 visitors to New Zealand over a three-month period. This exploratory study, undertaken before the event, investigates the attitudes of hotel managers and staff as they prepared to host spectators, rugby teams, and media personnel. The aim of the study was to determine preparedness for an attack, and assess attitudes and approaches to risk management in relation to terrorism. Interview data collected from senior hospitality managers revealed a distinctly laissez faire approach to security, which is partly explained by Hofstede's (1984) low uncertainty avoidance category for New Zealand. This attitude is reputedly common in New Zealand, where it is proudly expressed as 'she'll be right'. It is hoped that this study will bring attention to the weak security measures in New Zealand, which would have been insufficient protection for life and property, had a serious terrorist attack been planned

Death by hospitality: beyond the call of duty

Hospitality staff are often very dedicated to their work, protecting guests’ privacy even when circumstances are suspicious, and treating their wants and needs as paramount. In November 2008, several hotel staff were killed in India while protecting hotel guests from terrorists. This paper briefly overviews the circumstances of a death in which a hospitality employee went beyond the call of duty to protect guests. The implications of extreme dedication to service work are explored in terms of the duty of hospitality, along with the concept of sacrifice, particularly with respect to the exploitation of hospitality workers. Topics for further study are suggested, particularly that of identifying the essential characteristics of hospitality service workers. The concept of lifestyle labour is proposed, as this, in conjunction with the characteristics of ‘hospitality people’, is thought to explain the dedication to service exhibited by many hospitality workers

Enjoyment, tolerance, or rejection: responses to sexuality in the workplace

Sexual harassment in hospitality workplaces is endemic, with more hospitality employees reporting incidences of harassment than in any other private sector industry. Various causes are proposed, but the sexualisation of hospitality labour, exacerbated by the blurred demarcation lines between flirtation, harassment and assault, seems the most likely. This paper explores the common features of sexually charged working environments, and presents qualitative data collected from hospitality workers, revealing a wide range of attitudes to sexual behaviour at work. A model is suggested to help managers and staff identify areas of disagreement about sexual behaviour, rather than merely imposing a proscriptive approach, which is neither achievable nor necessarily desirable. Recommendations for reducing harassment focus on the concept of choosing to either sanction or reject specific behaviours at work

A surrogate model for the economic evaluation of renewable hydrogen production from biomass feedstocks via supercritical water gasification

Supercritical water gasification is a promising technology for renewable hydrogen production from high moisture content biomass. This work produces a machine learning surrogate model to predict the Levelised Cost of Hydrogen over a range of biomass compositions, processing capacities, and geographic locations. The model is published to facilitate early-stage economic analysis (doi.org/10.6084/m9.figshare.22811066). A process simulation using the Gibbs reactor provided the training data using 40 biomass compositions, five processing capacities (10–200 m3/h), and three geographic locations (China, Brazil, UK). The levelised costs ranged between 3.81 and 18.72 $/kgH2 across the considered parameter combinations. Heat and electricity integration resulted in low process emissions averaging 0.46 kgCO2eq/GJH2 (China and Brazil), and 0.37 kgCO2eq/GJH2 (UK). Artificial neural networks were most accurate when compared to random forests and support vector regression for the surrogate model during cross-validation, achieving an accuracy of MAPE: 0.99 on the test set

Reconciling the sustainable manufacturing of commodity chemicals with feasible technoeconomic outcomes assessing the investment case for heat integrated aerobic gas fermentation

The manufacturing industry must diverge from a ‘take, make and waste’ linear production paradigm towards more circular economies. Truly sustainable, circular economies are intrinsically tied to renewable resource flows, where vast quantities need to be available at a central point of consumption. Abundant, renewable carbon feedstocks are often structurally complex and recalcitrant, requiring costly pretreatment to harness their potential fully. As such, the heat integration of supercritical water gasification (SCWG) and aerobic gas fermentation unlocks the promise of renewable feedstocks such as lignin. This study models the technoeconomics and life cycle assessment (LCA) for the sustainable production of the commodity chemicals, isopropanol and acetone, from gasified Kraft black liquor. The investment case is underpinned by rigorous process modelling informed by published continuous gas fermentation experimental data. Time series analyses support the price forecasts for the solvent products. Furthermore, a Monte Carlo simulation frames an uncertain boundary for the technoeconomic model. The technoeconomic assessment (TEA) demonstrates that production of commodity chemicals priced at ~US$1000 per tonne is within reach of aerobic gas fermentation. In addition, owing to the sequestration of biogenic carbon into the solvent products, negative greenhouse gas (GHG) emissions are achieved within a cradle-to-gate LCA framework. As such, the heat integrated aerobic gas fermentation platform has promise as a best-in-class technology for the production of a broad spectrum of renewable commodity chemicals.</jats:p

Oxidation resistance of graphene-coated Cu and Cu/Ni alloy

The ability to protect refined metals from reactive environments is vital to many industrial and academic applications. Current solutions, however, typically introduce several negative effects, including increased thickness and changes in the metal physical properties. In this paper, we demonstrate for the first time the ability of graphene films grown by chemical vapor deposition to protect the surface of the metallic growth substrates of Cu and Cu/Ni alloy from air oxidation. SEM, Raman spectroscopy, and XPS studies show that the metal surface is well protected from oxidation even after heating at 200 \degree C in air for up to 4 hours. Our work further shows that graphene provides effective resistance against hydrogen peroxide. This protection method offers significant advantages and can be used on any metal that catalyzes graphene growth

Operando and Postreaction Diffraction Imaging of the La-Sr/CaO Catalyst in the Oxidative Coupling of Methane Reaction

A La−Sr/CaO catalyst was studied operando during the oxidative coupling of methane (OCM) reaction using the X-ray diffraction computed tomography technique. Full-pattern Rietveld analysis was performed in order to track the evolving solid-state chemistry during the temperature ramp, OCM reaction, as well as after cooling to room temperature. We observed a uniform distribution of the catalyst main components: La2O3, CaO−SrO mixed oxide, and the hightemperature rhombohedral polymorph of SrCO3. These were stable initially in the reaction; however, doubling the gas hourly space velocity resulted in the decomposition of SrCO3 to SrO, which subsequently led to the formation of a second CaO−SrO mixed oxide. These two mixed CaO−SrO oxides differed in terms of the extent of Sr incorporation into their unit cell. By applying Vegard’s law during the Rietveld refinement, it was possible to create maps showing the spatial variation of Sr occupancy in the mixed CaO−SrO oxides. The formation of the Srdoped CaO species is expected to have an important role in this system through the enhancement of the lattice oxygen diffusion as well as increased catalyst basicity