29 research outputs found
Kualitas Aparatur Pemerintah dalam Meningkatkan Pelayanan di Dinas Pendidikan Kabupaten Morotai
Pasca reformasi, tuntutan pelayanan yang dilakukan oleh aparaturpemerintah menjadi wacana yang harus disuarakan, hal ini merupakansuatu kebutuhan yang tidak dapat ditunda lagi, oleh karena itu perluadanya suatu terobosan yang mengubah paradigma pelayanan pemerintah.Tujuan penelitian ini adalah yang mengetahui kualitas pelayananoperator pemerintah di Kabupaten Morotai. Dari hasil penelitianmenunjukan bahwa aparatur pemerintah Kabupaten Morotai dilakukandengan pengaturan pegawai, pembinaan karier, dan penyajian tunjangan
The potential use of invasive plant species as solid biofuel by using binders
ArticleThe aim of the current research is to find sustainable pellet resources that are not made
from forestry, agricultural materials, or food products. Evaluation has been carried out by
experimentally determining the biofuel parameters of two invasive plant sp
ecies. In comparison
to the process of finding a new application, their use in the production of solid biofuel pellets
would not require additional investment for the construction of a new pellet production plant. The
article’s hypothesis suggests that bio
fuel parameters for invasive plant species are sufficient for
the production of solid biofuel and that their properties can be improved by binders that are
available wor
ldwide in the form of residues.
The experiment was carried out for two invasive plant s
pecies that are widespread in Latvia
–
Heracleum sosnowskyi
Manden and
Solidago canadensis
L
.
The binders used include potato peel
waste and spent coffee grounds. All of the tests have been carried out
according to ISO standards
on biofuel testing. Results show that
H sosnowskyi
is more suitable for solid biofuel than
S
canadensis
as it has a higher calorific value and an ash content that is two times lower
–
3wt%.
Coffee grounds are a suitable binder b
ecause they increase calorific value.
The type and amount of binders partly confirms the hypothesis, since both binders reduced the
amount of ash in pellets. Further research is needed to carry out pellet durability tests. It is also
necessary to carry out
an economic analysis in order to evaluate how beneficial it may be to use
H sosnowskyi
as a solid fuel in existing pellet production plants, thereby avoiding large initial
investments and not encouraging the cultiva
tion of invasive plant species
A Comparison of Multi-Criteria Decision Analysis Methods for Sustainability Assessment of District Heating Systems
Funding Information: Funding: This research was funded by the European Regional Development Fund within the project No. 1.1.1.2/VIAA/4/20/604 “Decision Support Tool for Decarbonisation Assessment of District Heating Systems (START)”. The contribution of E. Dace and R. Soloha to this study was supported by the University of Latvia within the project “Climate Change and its Impacts on Sustainability of Natural Resources” (No. Y5-AZ20-ZF-N-270). Publisher Copyright: © 2022 by the authors. Licensee MDPI, Basel, Switzerland.The sustainability of energy systems is increasingly assessed for development of more resilient, greener district heating (DH) systems. That requires compiling technological, environmental, and economic indicators in a social, political, and institutional context. This work investigates DH system sustainability analysis by five frequently applied multi-criteria decision analysis (MCDA) methods—WSM, TOPSIS, PROMETHEE, ELECTRE and DEA. To compare the sustainability assessment results, a selection of 8 criteria describing 12 DH companies (DHC) was examined. Sensitivity analysis was performed to determine the most credible MCDA method. Criteria weights were changed: (1) individually for evaluation of the range of stability for alternatives (score of DHC performance); (2) individually by a fixed value to compare how each criterion weight change affected the average score of a result; and (3) to compare the AHP weighting method to an equal weight scenario. The results of sensitivity analysis along with literature investigation shows that all methods are suitable for sustainability analyses of DH systems while also having differences in the calculation process and in the interpretation of results. The generalized algorithm for sustainability analysis in the energy sector outlined in this study along with the documented features of the main MCDA methods can be used as a guide for future assessment of energy systems by researchers and industry professionals.publishersversionPeer reviewe
Prospective Life Cycle Assessment of Microbial Sophorolipid Fermentation
Funding Information: This research has been supported by the European Regional Development Fund within the project No. 1.1.1.1/19/A/047 “Sustainable Microbial Valorisation of Waste Lipids into Biosurfactants”. Publisher Copyright: © 2023 by the authors.The biorefinery industry is witnessing a transition from fossil and chemical-based processes to more sustainable practices, with a growing emphasis on using renewable resources. Sophorolipids, a promising group of biosurfactants, present a viable substitute for conventionally produced surfactants. This study focuses on microbial fermentation using yeast and lipid substrate for sophorolipid production. The life cycle assessment (LCA) methodology was employed to identify environmental hotspots of the process and to assess the environmental benefits resulting from the replacement of raw rapeseed cooking oil (base scenario) with waste cooking oil, reduction of process electricity consumption, and increased sophorolipid yield. By compiling scenarios with the lowest environmental impact, a best-case scenario was created. The results revealed that the environmental impact of sophorolipid production could be reduced by 50% in the best-case scenario compared to the base scenario. This research provides valuable insights into the environmental optimization of the fermentation process and through the application of LCA highlights the potential for the reduction of negative environmental impact of sophorolipid production, contributing to the ongoing transition from petroleum oil and petrochemical refineries to sustainable biorefineries.Peer reviewe
Report on current state of the art & understanding of the circular economy : CICERONE D1.2
The key objective of this deliverable is to gain insights on and assess how CE is being implemented and R&I is being funded at regional level, e.g., via the RIS3 strategy and Structural Funds. As such it sets the scope for the project and provides the background against which programmes and measures can be understood, assessed, developed and recommended in succinct tasks and work packages. The objective of this report is to provide a concise overview of the current R&I priorities, as expressed in running and newly introduced funding and legislative measures with respect to Circular Economy in European countries and regions
MEGAMES: MINIATUR SHOWCASE INDONESIA BAGI ANAK DI ERA GLOBALISASI
Abstrak: Permainan Tradisional Anak di Era Globalisasi bertujuan untuk menumbuhkan serta melestarikan kembali permainan tradisional yang mulai luntur di era globalisasi. Tujuan yang hendak dicapai dalam penelitian ini, yakni memfokuskan pada anak-anak dimana mereka diharapkan dapat lebih mengenal kebudayaan/tradisi dalam bentuk permainan tradisional yang sudah mulai memudar penggunaannya. Peneliti menggunakan studi literatur yang biasa disebutkan dengan studi pustaka atau dengan pengumpulan data melalui berbagai sumber jurnal sebagai pendukung. Hasil penelitian ditemukan, bahwa solusi di era globalisasi adalah dengan tetap menggunakan teknologi, tetapi memasukan nilai-nilai tradisional, salah satunya melalui aplikasi MeGames. Sebagai hasilnya kita tidak dapat menampik adanya globalisasi dan permainan tradisional masih bisa tetap diterapkan melalui aplikasi MeGames. Dimana aplikasi tersebut berisi 2000 permainan dari 34 provinsi yang memperkenalkan kekayaan Indonesia.Abstract: Traditional Children's Games in the Era of Globalization aim to overcome and not stand alone, traditional games are starting to fade in the era of globalization. Researchers use literature studies which are commonly called literature studies or data collection through various journal sources as support. The results of the study, that the solution in the era of globalization is to continue to use technology, but incorporate traditional values, one of which is through the MeGames application. As a result, it is undeniable that globalization and traditional games can still be applied through the MeGames application. Where the application contains 2000 games from 34 provinces that introduce the wealth of Indonesia
Databases for biomass and waste biorefinery - a mini-review and SWOT analysis
The world is facing problems of the increasing amount of resources wasted as the world population grows. Biowaste streams form a significant part of the overall waste generation, and a circular economy utilizing this biowaste will significantly reduce waste whilst lowering the anthropogenic carbon footprint. Due to their energy content and high concentration of hydrocarbon molecules, bio-based waste streams have the potential to be transformed into valorized products (energy, fuels, and chemicals) using biorefinery technologies. In this work, a mini-review has been conducted on available, mostly European databases on existing biomass types and biorefinery technologies to provide a framework for a desirable, comprehensive database connecting bio-based waste streams, biorefinery technologies and bioproducts, as well as the geographical distribution of feedstocks and biorefineries. The database assessment utilized the SWOT (strengths, weakness, opportunities, threats) methodology to support benchmark analysis and to identify critical gaps in underlying data structures that could be included in a single database. The results show that current databases are useful but insufficient for waste biorefineries due to limited quality and quantity as well as the usability of data. A comprehensive database or improved database cluster would be necessary, not only for technology development but for better investment and policy decisions. The development of the new database architecture would need to incorporate the aspects: expansion of database scope and content depth, improved usability, accessibility, applicability, update frequency, openness to new contributions, process descriptions and parameters, and technology readiness level
PEMANFAATAN LAHAN PASCA TAMBANG PT SEMEN INDONESIA SEBAGAI DESTINASI WISATA TAMAN REKLAMASI “BUKIT DAUN” KAB. TUBAN, PROV. JAWA TIMUR
Taman Bukit Daun merupakan lahan pasca tambang batu gamping milik PT. Semen Indonesia seluas 1 ha, yang direklamasi dan dibuat menjadi kawasan tujuan destinasi wisata edukasi dan rekreasi yang berbasis flora dan avifauna. Adanya tempat wisata seperti Taman Bukit Daun dapat menjadikan suatu daya tarik masyarakat khususnya penduduk kabupaten Tuban, disamping itu dengan dibuatnya Taman Bukit Daun ini diharapkan dapat pula menambah pendapatan ekonomi daerah. Adapun tujuan dari naskah ilmiah ini adalah untuk dapat dijadikan saran dan rujukan bagamana mengelola dan mengembangkan lahan pasca tambang batu gamping menjadi destinasi wisata yang dapat dinikmati masyarakat. Selain itu Taman Bukit Daun memiliki beberapa fungsi yaitu sebagai wisata edukasi, riset, penelitian, dan budidaya, serta rekreasi. Taman Bukit Daun merupakan hasil perpaduan antara zonasi kebun raya yang memiliki fungsi wisata taman dan konservasi tumbuhan sebagai upaya penghijauan
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Large-scale solar district heating plants in Danish smart thermal grid: developments and recent trends
Large solar collector fields are very popular in district heating system in Denmark, even though the solar radiation source is not favorable at high latitudes compared to many other regions. Business models for large solar heating plants in Denmark has attracted much attention worldwide. Denmark is not only the biggest country in both total installed capacities and numbers of large solar district heating plants, but also is the first and only country with commercial market-driven solar district heating plants. By the end of 2017, more than 1.3 million m2 solar district heating plants are in operation in Denmark. Furthermore, more than 70% of the large solar district heating plants worldwide are constructed in Denmark. Based on the case of Denmark, this study reviews the development of large solar district heating plants in Denmark since 2006. Success factors for Danish experiences was summarized and discussed. Novel design concepts of large solar district heating plants are also addressed to clarify the future development trend. Potential integration of large solar district heating plants with other renewable energy technologies are discussed. This paper can provide references to potential countries that want to exploit the market for solar district heating plants. Policy-makers can evaluate the advantages and disadvantages of solar district heating systems in the national energy planning level based on the know-how and experiences from Denmark