Environmental Challenges Associated with Processing of Heavy Crude Oils

The petroleum industry is one of the largest industries in the world and plays a pivotal part in driving a nation’s economy. However, the exploration and exploitation of heavy crude oil have raised series of environmental challenges and caused increased concern for the communities where the oil refineries are cited. Activities such as gas flaring and oil spillage have led to the release of toxic organic and inorganic pollutants, which has resulted in acid rain, climate change, and contamination of soil, water, and air. These environmental hazards have caused adverse effects directly or indirectly to the ecosystem. This chapter offers a general overview of the processes involved in the processing and some of the potential environmental challenges associated with heavy crude oil processing

Strengthening gender equality in small business and achieving sustainable development goals (SDGs): Comparative analysis of Kenya and Nigeria

Many small business owners and entrepreneurs in Africa still see sustainable development goals as a misery. The study investigates whether sustainable development goal number five (5) is being used to motivate gender equality among small and medium-sized enterprises in Africa, particularly in Kenya and Nigeria. The study focuses on female entrepreneurs and female-owned businesses. Design/methodology/approach. A qualitative approach involving semi-structured in-depth interviews was considered with a target population of 110 participants selected from businesses operating in Embakasi East constituency in the Embakasi ward in Nairobi County, Kenya, and in Ikeja Local Government in the Lagos Mainland of Lagos state Nigeria. The primary interview data was gathered from businesses in the manufacturing, services, information technology, transport, trading, and communications sectors. Findings. From the population of 110 participants, the response rate was 90.91%. Results demonstrated that a significant number of women working in SMEs are unaware of the sustainable development goal number five (5) in the two countries despite the United Nations (UN) supporting gender equality globally. The research concludes that there is still a considerable difference between men and women in small and medium-sized SMEs in Africa, and the awareness of sustainable development goals is limited. Research limitations/implications. The restriction of the dataset from a small sample size of women-owned businesses operating in Embakasi East constituency in the Embakasi ward in Nairobi County, Kenya, and in Ikeja Local Government in the Lagos State Nigeria. The research criteria used to choose study participants were unique to the current research; future researchers may consider changing the research criteria and sample size to broaden the study's focus. Practical implications. The study advances empirical research on sustainable development goal number five (5) by offering evidence of its impact on women-owned businesses. Further, the study throws light on the need to the fact that gender equality is necessary and why women should receive funding and mentoring to help them succeed as business owners. Originality/value. The study provides a comparative study with evidence from two countries, Kenya and Nigeria, on sustainable development goal number five (5) and throws light on the relevance of gender equality on business performance as funding and mentoring will assist women-owned businesses. For Africa to flourish and grow economically, gender equality is crucial

Strengthening Gender Equality in Small Business and Achieving Sustainable Development Goals (SDGS): Comparative Analysis of Kenya and Nigeria

There is an increasing understanding that Sustainable Development Goals (SDGs) can protect the planet, reduce inequality and tackle poverty. However, many small business owners and entrepreneurs in Africa still see it as a misery. This study aims to determine whether the SDG's goal number five (5) is being used to motivate gender equality among small and medium-sized enterprises in Africa, particularly in Kenya and Nigeria. The study focuses on female entrepreneurs. The target population comprised 110 randomly selected businesses operating in Embakasi East constituency in the Embakasi ward in Nairobi County, Kenya, and Ikeja Local Government in Lagos Mainland of Lagos state Nigeria. The sample size was determined by relying on a prior study on women in business in Africa. The study adopted a qualitative research method, administering open-ended interviews to the respondents, and the response rate was 90.91%. Descriptive statistical analysis was adopted, and the examination of the data demonstrated that a significant number of women working in SMEs are unaware of the SDGs in the two countries despite the United Nations (UN) supporting gender equality. The research concludes that there is still a considerable difference between men and women in SMEs in Africa and the awareness of SDG goals is limited. It is recommended that the management of small businesses, regulators, and policymakers should increase the knowledge of the global goals for more awareness and sustainability adoption in African countries. This can also support sustainable business growth and close the inequality gap in small African businesse

SCREENING FOR HEAVY MOLECULAR WEIGHT HYDROCARBON UTILIZING BACTERIA FROM OIL IMPACTED, NON OIL IMPACTED SOIL AND NATURAL DEPOSITS

Control and treatment of hazardous effects of heavy molecular weight oil (bitumen) pollution are essential in contaminated soil. This study involved the isolation and screening of microorganisms capable of utilizing heavy molecular weight hydrocarbon from oil impacted, non oil impacted soil and natural deposits of bitumen. Total heterotrophic bacterial counts in the samples ranged from 1.4 ªª? 105 CFU/g to 2.0 ªª? 106 CFU/g. Total oil utilizing bacterial counts varied from 1.5 ªª? 104 CFU/g to 3.6 ªª? 105 CFU/g. Isolates were identified using API 20E kit. They belong to the genera Burkholderia, Pseudomonas, and Serratia. Degradation efficiency of the isolates on Premium Motor Spirit (PMS), Dual Purpose Kerosene (DPK) and Low Pour Point Fuel Oil (LPFO) were carried out by a colorimetric rapid screen test using 2, 6-dichlorophenol indophenol (DCPIP) reduction test which was monitored by measuring absorbance at 600 nm at every 24 hrs for 120 hrs. Order of ability of the isolates to degrade PMS: P. aeruginosa > P. mendocina > P. borbori > S. rubidae > P. cichorii > B. cepacia while for DPK is P. cichorii > P. borbori > S. rubidae > P. mendocina > B. cepacia > P. aeruginosa. Ability to degrade LPFO: P. cichorii > P. borbori > P. aeruginosa > P. mendocina > B. cepacia > S. rubidae.ª¤

Improving biomass production and saccharification in Brachypodium distachyon through overexpression of a sucrose-phosphate synthase from sugarcane

The substitution of fossil by renewable energy sources is a major strategy in reducing CO2 emission and mitigating climate change. In the transport sector, which is still mainly dependent on liquid fuels, the production of second generation ethanol from lignocellulosic feedstock is a promising strategy to substitute fossil fuels. The main prerequisites on designated crops for increased biomass production are high biomass yield and optimized saccharification for subsequent use in fermentation processes. We tried to address these traits by the overexpression of a sucrose-phosphate synthase gene (SoSPS) from sugarcane (Saccharum officinarum) in the model grass Brachypodium distachyon. The resulting transgenic B. distachyon lines not only revealed increased plant height at early growth stages but also higher biomass yield from fully senesced plants, which was increased up to 52 % compared to wild-type. Additionally, we determined higher sucrose content in senesced leaf biomass from the transgenic lines, which correlated with improved biomass saccharification after conventional thermo-chemical pretreatment and enzymatic hydrolysis. Combining increased biomass production and saccharification efficiency in the generated B. distachyon SoSPS overexpression lines, we obtained a maximum of 74 % increase in glucose release per plant compared to wild-type. Therefore, we consider SoSPS overexpression as a promising approach in molecular breeding of energy crops for optimizing yields of biomass and its utilization in second generation biofuel production