Terrestrial Agriculture and Aquaculture Waste Treatment

2016 ◽  
pp. 205-224 ◽  
Author(s):  
Gregory Schwartz ◽  
David Brune
Keyword(s):  
Waste Treatment ◽  
Aquaculture Waste

scholarly journals STATUS KEBERLANJUTAN DIMENSI EKOLOGI BUDIDAYA IKAN PATIN (PANGASIANODON HYPOPHTHALMUS) DALAM PENGEMBANGAN KAWASAN MINAPOLITAN

2018 ◽  
Vol 19 (1) ◽  
pp. 37-45
Author(s):  
Yoyo Wiramiharja ◽  
Eddy Supriyono ◽  
Ernik Yuliana
Keyword(s):  
Multidimensional Scaling ◽  
Random Sampling ◽  
Waste Treatment ◽  
Simple Random Sampling ◽  
Pangasianodon Hypophthalmus ◽  
Sustainable Improvement ◽  
Study Sites ◽  
Index Value ◽  
Ecological Dimension ◽  
Aquaculture Waste

Kumpeh Ulu District is a minapolitan area in Muaro Jambi Regency with main commodity of catfish. The purpose of this study was to analyze the sustainability status of ecological dimension of catfish culture in the development of minapolitan area. The study sites were some villages Kumpeh Ulu District: Pudak, Kota Karang, and Lopak Alai. The research design used quantitative approach. Data collection was done through questionnaires, interviews, and field observations. The population of this research is fishers in Kumpeh Ulu District, and the respondents are 48 fishers. Respondents were determined randomly (simple random sampling). Data were analysed using multidimensional scaling (MDS) with the Rap-Patin device has been modified from the RAPFISH program. The result of analysis to nine attributes obtained by index value is 55,40 and the most sensitive attribute is aquaculture waste processing. The sustainability status of the resulting ecological dimension is "sufficiently sustainable". Improvement of index value and sustainability status conducted by increasing the capacity of the aquaculture waste treatment.   Kecamatan Kumpeh Ulu merupakan kawasan minapolitan di Kabupaten Muaro Jambi dengan komoditas utama ikan patin. Penelitian ini bertujuan menganalisis status keberlanjutan dimensi ekologi budidaya ikan patin dalam pengembangan kawasan minapolitan. Lokasi penelitian di Desa Pudak, Kota Karang, dan Lopak Alai. Rancangan penelitian menggunakan pendekatan kuantitatif. Pengumpulan data dilakukan melalui kuesioner, wawancara, dan observasi lapangan. Populasi penelitian adalah pembudidaya di Kecamatan Kumpeh Ulu. Responden ditentukan secara acak (simple random sampling),  yang berjumlah 48 orang. Analisis data menggunakan multidimensional scaling (MDS) dengan perangkat Rap-Patin, hasil modifikasi dari program RAPFISH. Hasil analisis terhadap sembilan atribut diperoleh nilai indeks sebesar 55,40 dan atribut yang paling sensitif adalah pengolahan limbah budidaya. Status keberlanjutan dimensi ekologi yang dihasilkan adalah “cukup berkelanjutan”. Perbaikan nilai indeks dan status keberlanjutan dilakukan dengan peningkatan kapasitas pengolahan limbah budidaya.

Municipal Solid Waste Treatment Using Plasma Gasification with the Potential Production of Synthesis Gas (Syngas)

2019 ◽  
Vol 2 (1) ◽  
pp. 8-12
Author(s):  
Angela Hartati ◽  
Diah Indriani Widiputri ◽  
Arbi Dimyati
Keyword(s):  
Waste Treatment ◽  
Composition Analysis ◽  
Energy Agency ◽  
Plasma Gasification ◽  
Gasification Process ◽  
Solid Waste Treatment ◽  
Pre Treatment ◽  
Waste Separation ◽  
Gasification Efficiency ◽  
Arc Plasma Torch

This research was conducted for the purpose to overcome Indonesia waste problem. The samples are classified into garden waste, paper waste, wood, food waste, and MSW with objective to identify which type of waste give out more syngas since there is waste separation in Indonesia. All samples were treated by plasma gasification without pre-treatment (drying). Arc plasma torch used in this experiment was made by National Nuclear Energy Agency (BATAN) and used Argon as the gas source. Then the torch was connected to self-designed gasification chamber and gas washing system before injected into a gas bas for composition analysis. Another objective is to identify factors that may affect the gasification efficiency and the experiment shows that moisture content is not really affecting the efficiency but the duration of the process. The mass reduction of each samples were recorded, then the gas produced from the gasification process were analyzed. The result shows that food has the highest mass percentage reduced and producing the highest amount of hydrogen amongst other samples. However, treating MSW also produce considerably high amount of hydrogen. In conclusion, MSW direct treatment (without separation) using plasma gasification is feasible since it still produces desirable quality of syngas.

Evaluating Risk After a Hazardous Waste Treatment Plant Released Persistent Organic Pollutants: Part 3, Aboriginal Health Risk and Impact

2018 ◽  
Vol 2 (1) ◽  
pp. 1-7 ◽  
Author(s):  
Tee L. Guidotti
Keyword(s):  
Health Risk ◽  
Organic Pollutants ◽  
Persistent Organic Pollutants ◽  
Waste Treatment ◽  
Treatment Plant ◽  
Aboriginal Health ◽  
Treatment Center ◽  
Hazardous Waste Treatment ◽  
Waste Treatment Plant ◽  
Health Canada

On 16 October 1996, a malfunction at the Swan Hills Special Waste Treatment Center (SHSWTC) in Alberta, Canada, released an undetermined quantity of persistent organic pollutants (POPs) into the atmosphere, including polychlorinated biphenyls, dioxins, and furans. The circumstances of exposure are detailed in Part 1, Background and Policy Issues. An ecologically based, staged health risk assessment was conducted in two parts with two levels of government as sponsors. The first, called the Swan Hills Study, is described in Part 2. A subsequent evaluation, described here in Part 3, was undertaken by Health Canada and focused exclusively on Aboriginal residents in three communities living near the lake, downwind, and downstream of the SHSWTC of the area. It was designed to isolate effects on members living a more traditional Aboriginal lifestyle. Aboriginal communities place great cultural emphasis on access to traditional lands and derive both cultural and health benefits from “country foods” such as venison (deer meat) and local fish. The suspicion of contamination of traditional lands and the food supply made risk management exceptionally difficult in this situation. The conclusion of both the Swan Hills and Lesser Slave Lake studies was that although POPs had entered the ecosystem, no effect could be demonstrated on human exposure or health outcome attributable to the incident. However, the value of this case study is in the detail of the process, not the ultimate dimensions of risk. The findings of the Lesser Slave Lake Study have not been published previously and are incomplete.

Dhaka City Solid Waste Treatment for Saving the Surface Water

2016 ◽  
Vol 2 (05) ◽  
pp. 312-320
Author(s):  
Mohammad Asaduzzaman ◽  
June-ichiro Giorgos Tsutsumi ◽  
Ryo Nakamatsu ◽  
Shokory Jamal Abdul Naser
Keyword(s):  
Surface Water ◽  
Solid Waste ◽  
Waste Treatment ◽  
Dhaka City ◽  
Solid Waste Treatment

PELUANG PENERAPAN KONSEP BLUE ECONOMY PADA USAHA PERIKANAN DI KABUPATEN LOMBOK TIMUR

2018 ◽  
Vol 4 (2) ◽  
Author(s):  
Achmad Zamroni ◽  
Nurlaili Nurlaili ◽  
Cornelia Mirwantini Witomo
Keyword(s):  
Content Analysis ◽  
Waste Treatment ◽  
Economic Pressure ◽  
Household Economy ◽  
Scientific Publications ◽  
Seaweed Farming ◽  
Alternative Livelihoods ◽  
Fisheries Resources ◽  
The Social ◽  
Blue Economy

Tantangan pengembangan ekonomi biru di Lombok adalah menurunnya habitat terutama rumput laut, terumbu karang dan bakau, karena tingginya tekanan ekonomi yang menyebabkan orang terlibat dalam eksploitasi sumber daya  perikanan. Tujuan riset adalah mereview penerapan konsep “Ekonomi Biru” pada usaha perikanan budidaya  di Kabupaten Lombok Timur. Data dan informasi dikumpulkan melalui penelusuran dokumen, laporan riset dan publikasi ilmiah terkait topik kajian. Dokumen-dokumen tersebut dianalisis secara konten (content analysis) dan direview dari aspek sosial dan ekonomi yang dijelaskan secara kualitatif. Hasil review menunjukkan bahwa 6 (enam) usaha perikanan dapat memberikan efek berganda yaitu budidaya  lobster, budi daya  rumput laut, pengolahan kepiting, pengolahan limbah kepala ikan, dan tambak garam mempunyai peluang menciptakan efek berganda, artinya keenam usaha tersebut dapat menciptakan alternatif mata pencaharian yang bisa berdampak pada peningkatan ekonomi rumah tangga. Title: Prospects of the Implementation of Blue Economy Concept on An opportunity Fisheries Bussiness in East Lombok DistrictThe challenge of developing a blue economy in Lombok is the decline of habitats, especially seaweed, coral reefs and mangroves, due to the high economic pressure that causes people to be involved in exploitation of fisheries resources. The aim of the research is to review the application of the concept of “Blue Economy” in aquaculture businesses in East Lombok District. Data and information were collected through documents investigation, research reports and scientific publications related to the topic of the study. These documents were analyzed using content analysis and reviewed from the social and economic aspects qualitatively described. The result shows that the review indicates that 6 (six) fisheries businesses can provide multiple effects namely lobster aquaculture, seaweed farming, crab processing, fish head waste treatment, and salt farming have the opportunity to create multiple effects, meaning that the six businesses can create alternative livelihoods that can has an impact on improving the household economy. 

Process Description of an Unconventional Biofilm Formation by Bacterial Cells Autoagglutinating Through Sticky, Long, and Peritrichate Nanofibers

2019 ◽  
Author(s):  
Yoshihide Furuichi ◽  
Shogo Yoshimoto ◽  
Tomohiro Inaba ◽  
Nobuhiko Nomura ◽  
Katsutoshi Hori
Keyword(s):  
Formation Process ◽  
Biofilm Formation ◽  
Extracellular Polymeric Substances ◽  
Waste Treatment ◽  
Large Cell ◽  
Dlvo Theory ◽  
Bacterial Cells ◽  
Chemical Production ◽  
Discontinuous Surface ◽  
Cell Cell

<p></p><p>Biofilms are used in environmental biotechnologies including waste treatment and environmentally friendly chemical production. Understanding the mechanisms of biofilm formation is essential to control microbial behavior and improve environmental biotechnologies. <i>Acinetobacter </i>sp. Tol 5 autoagglutinate through the interaction of the long, peritrichate nanofiber protein AtaA, a trimeric autotransporter adhesin. Using AtaA, without cell growth or the production of extracellular polymeric substances, Tol 5 cells quickly form an unconventional biofilm. In this study, we investigated the formation process of this unconventional biofilm, which started with cell–cell interactions, proceeded to cell clumping, and led to the formation of large cell aggregates. The cell–cell interaction was described by DLVO theory based on a new concept, which considers two independent interactions between two cell bodies and between two AtaA fiber tips forming a virtual discontinuous surface. If cell bodies cannot collide owing to an energy barrier at low ionic strengths but approach within the interactive distance of AtaA fibers, cells can agglutinate through their contact. Cell clumping proceeds following the cluster–cluster aggregation model, and an unconventional biofilm containing void spaces and a fractal nature develops. Understanding its formation process would extend the utilization of various types of biofilms, enhancing environmental biotechnologies.</p><p></p>

Sign in / Sign up

Export Citation Format

Share Document