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Hendry; Syaifuddin; Sofiyan

The International Conference on Education, Social Sciences and Technology 2023 International Forum of Researchers and Lecturers

The main objective of this research is to determine the role of turnover intention in mediating the adaptation of green culture on the work productivity of lecturers at private universities in Medan City. The approach in this research is quantitative. The population comes from 5 private universities in Medan City, totaling 728 students. The sampling technique used cluster sampling, where 258 educational staff were used as research samples. The data analysis technique for this research uses statistical analysis, namely the Partial Least Squares-Structural Equation Model (PLS-SEM), which aims to carry out path analysis with latent variables. The results of data analysis show that the adaptation of green culture directly has a significant effect on employee work productivity. Then, turnover intention hurts employee work productivity. Finally, indirect turnover intention does not significantly mediate the adaptation of green culture on employee work productivity. The implications of the findings in this research show that green cultural adaptation currently needs to be carried out by private universities. The provision of green open space and green cultural values at the private higher education level in Medan City has yet to be consistently and sustainably implemented.

Fahrul Rozi Adami Nasution; Meri Andriani; Yusnawati

JURNAL ILMIAH TEKNIK INDUSTRI DAN INOVASI 2023 CV. ALIM'SPUBLISHING

PT Bangun Tenera Riau is a company engaged in the processing of oil palm fresh fruit bunches, located in Pantai Raja Village, Perhentian Raja District, Kampar Regency, Riau Province. The problem faced by PT Bangun Tenera Riau is that the company has not maximally utilized the by-products produced in the form of waste. This research aims to improve the production process by selecting alternative solutions to increase and enhance the initial green productivity index value so that productivity can increase and the impact on the environment can be reduced. The method used in this research is the green productivity method. Based on the environmental performance indicator (EPI) calculation, it is known that the value of biological oxygen demand (BOD) liquid waste has a deviation of -0.63% and an EPI value of -0.16 which exceeds the waste quality standard based on Kep-51 / MENLH / 1995 so that it is necessary to improve the quality of waste through alternative solutions. The alternative solution chosen is an anaerobic biogas reactor and rotating biological contactor (RBC) used to improve waste quality and company productivity. The study's results using the green productivity method obtained an average final total productivity of 1.31 with the initial value of the average productivity in each month being 1.17. The productivity value of the company increased by 0.21 with the efficiency of improving the quality of waste by BOD by 96.81% and converting liquid waste into biogas which is beneficial to the community