Optimising biogas production from anaerobic co-digestion of chicken manure and organic fraction of municipal solid waste

Abstract: In this study, it was observed that in experimental work under laboratory scale using conventional biochemical methane potential (BMP) assay, the loading rate ratio 4:1 had optimum biodegradability rate than other ratios which were investigated, while the loading rate ratio of 1:1 had optimum biogas and methane yield after 15 days hydraulic retention time. It was concluded that chicken waste (CM) monodigestion has higher biodegradability rate compare to organic fraction municipality solid waste (OFMSW) mono-digestion. Co-digestion of OFMSW and CM stabilizes conditions in digestion process such as carbon to nitrogen (C:N) ratio in the substrate mixtures as well as macro and micronutrients, pH, inhibitors or toxic compounds, dry matter and thus increasing biogas production. It was concluded that the organic waste generated in the municipal landfills could be co-digested with CM to produce methane which can be used as a source of environmentally friendly and clean energy for the transport sector, industries and residential homes

The effect of culture on Corporate Governance Practices in Nigeria

This study focuses on the effect of culture on the application of corporate governance practices in Nigeria. Corporate governance has been receiving serious attention in emerging markets over the past two decades. But relatively little attention has been given to the study on corporate governance in a country study. The current situations in Nigerian public and private sectors such as the corporate scandal resulting from Lever Brothers Nigeria plc, Siemens, Shell, Halliburton, and Cadbury Nigeria plc, have shown that the issue of fraud, corruption, and corporate scandals cannot be overlooked. Most top management, as this study argues, bring in beliefs acquired from their early childhood into their senior management roles and responsibilities. This study adopts a grounded theory and reports on the effect of culture on the implementation of corporate governance in Nigeria. Based on the interview with 32 staffs, this study identifies the effect of culture that shapes corporate governance and they include abuse of power by top management, weak legal framework, poor recruitment and ineffective control. Although having efficient corporate governance is worth pursuing, this depends on the power of top management, the strength of internal control procedures and the legal framework put in place by management

A structuration analysis of the production and reproduction of management accounting and quality practices in a volatile socio-political environment

Available from British Library Document Supply Centre-DSC:DXN052534 / BLDSC - British Library Document Supply CentreSIGLEGBUnited Kingdo

From an Industrial Powerhouse to a Nation of Vendors: Over Two Decades of Economic Decline and Deindustrialization in Zimbabwe 1990–2015

From being the second most industrialized country in Sub-Saharan Africa at independence in 1980, Zimbabwe’s economy has declined rapidly to a point where the country ranks among the poorest economic performers in the region. The three pillars which had underpinned the country’s vibrant economy, namely, agriculture, mining and manufacturing, have suffered greatly from poor government policy choices, resulting in the near collapse of each of the sectors and massive unemployment. As a result, an estimated 90% of the Zimbabwean population was unemployed at 2015 and was forced to eke out a living in the informal sector, mostly through vending of second-hand clothes and other basic items. With regard to the manufacturing sector specifically, the sector had all but collapsed by 2015, as companies either folded or relocated to escape the country’s harsh economic climate. This article traces the decline of the Zimbabwean manufacturing sector from 1990 to 2015 and seeks to explain the factors contributing to this decline.http://jds.sagepub.comHistorical and Heritage Studie