Plastic is a compound that is resistant to degradation and takes a very long time to completely decompose. The diversity of microbial metabolism allows microbes to be able to degrade plastics. This study aimed to isolate and characterize endemic bacteria that have the potential to degrade LDPE and oxium plastics, analyze the variation of the best bacterial consortium and determine the optim…
Mangrove forest in Sungai Apit Subdistrict is the largest forest in Siak District, Riau Province, but since 2000 there has been a decrease in mangrove area. Mangrove rehabilitation efforts have been carried out since 2002. To reduce the level of damage to mangroves, it is necessary to protect and manage mangroves. In order to optimize efforts to protect and manage mangroves, it is necessary…
Ships are a mode of transportation as the lifeblood of economic life for fishing communities in coastal areas. Over the past two decades, there has been deindustrialization of traditional shipyards that use wood materials throughout Indonesia. This was partly due to a shortage of raw materials for making wooden boats. The basic problem that is being and will continue to be faced to solve one of…
This research is motivated by the activity of utilizing peat land resources in the Landscape Giam Siak Kecil-Bukit Batu (GSKBB) Bengkalis Regency which is quite alarming because it is often carried out in an exploitative and destructive manner. Based on Law no. 5 of 1990 concerning Conservation of Biological Natural Resources and their Ecosystems, the area which is part of this biosphere r…
Yusni Ikhwan Siregar and Syahril Nedi. This research is motivated by several environmental problems and domestic waste management at the Dar El Hikmah Islamic Boarding School. How to manage domestic waste is to keep the environment well maintained and the waste can be recycled and can be used for fertilizer. Waste treatment that is still feasible can be used for something useful and of high va…
The water level, soil stretching, damage of natural vegetation and the decrease of soil fertility quality can occur as result of unenvironment mining insight which have a negative impact to the social-economic life of the society around the mine site. Mining materials is indispensable in human life, therefore the synergy between mining and the environment is needed, one of which is the rec…
Modeling can be used in many aspects, including for peatland water balances through symbolic models with mathematical calculations and analog models in imitating the original properties and characteristics of peatlands. Climatic conditions, run-off, and inflow-outflow discharges of the area are water balance parameters. Water balance is the main key for peatland water management, which is o…
This study aims to determine the vulnerability value of physical and socio-economic parameters using the MCA, CVI, SoVI and TVI methods, and analyze the vulnerability of coastal areas with Geographic Information Systems. This study uses a purposive sampling method with a sample measurement technique with the Slovin formula. The data used are secondary data with the calculation of the MCA m…
In 2020 Plantation Statistics recorded that palm oil plantations in Riau Province reached 2,850,0003 ha, smallholders of 1,831,592 ha community plantations, 73,276 ha state, and 945,135 ha private sector. The development of palm oil plantations is often considered to ignore environmental aspects and only for economic interests. However, the impact of oil palm plantation development contributes …
Oil palm is one of the cultivated plant commodities created by God Almighty that can live well in Riau Province. The government, the private sector and the community benefit greatly from the palm oil commodity. The main objective of this research is to formulate community conditions from economic, social and ecological aspects in Riau Province, by analyzing community conditions in the manageme…
Sampah merupakan suatu produk buangan yang dihasilkan dari berbagai macam aktivitas manusia yang mana apabila tidak dikelola dengan baik akan mengakibatkan pencemaran dan kerusakan lingkungan secara fisik maupun biologi. Seiring dengan kemajuan teknologi dan pertumbuhan jumlah penduduk yang terus meningkat, memberikan pengaruh besar dalam kontribusi menyumbang volume, jenis dan karakteristik sa…
Traditional houses reflect one of the cultural expressions of a group of people. The traditional house is an old building inherited from previous ancestors, which is used as a meeting place for traditional events such as deliberation, family gatherings, praying together and events for the change of tribal niniak mamak. Kenegerian Sentajo is located about seven kilometers from the capital c…
Along with the successful development of the palm oil industry commodity in Indonesia, many parties accuse oil palm as the cause of the decline in biodiversity. These negative accusations affect the development of the palm oil industry in Indonesia and directly affect the price of Tandan Buah Segar (TBS) at the farmer level. Facing various ecological issues in the palm oil industry, a sustainab…
This research was conducted in Bengkalis District, especially the research area in Senggoro Village, Wonosari Village and Pedekik Village. The criteria for the research area are being in a peat area with depth ≥ 3 meters and its surroundings, there is an agglomeration of settlement and agricultural activities, and being in a village that has a moderate to high frequency of natural disasters (…
This study aims to analyze the physical and chemical properties of the land for application and non-application, then analyze the public's perception of the utilization of palm oil effluent, and cost savings on the utilization of palm oil mill effluent. The method used in this study was survey and sampling methods were set as many as 6 soil samples with a depth of 0-20 cm according to the …
The development of palm oil factories in the last few years the rapid growth experienced and gived the impact of positive and negative impact for the community. One of the positive impact is increasing foreign exchange and community welfare state , while the negative impact that is causing waste could reduce the quality of the environment. Characteristic of cod in the liquid waste of plant crud…
is a domestic industry developed rapidly in indonesia. Unfortunately the treatment of wastewater has not been done before the wastewater is thrown away to receiving water bodies. Therefore it is one of the causes of water pollution that effect the death of aquatic biota. Thus it is needed to do acute toxicity test. The goal of the research are to know the value of LC50 and to analyze the relati…
The increasing of pulp and paper industry in Indonesia had brought environmental problems which caused by Sludge waste pollution. The characteristic the wastewater treatment of pulp and paper sludge includes TS (Total Solid)7.6 gr/L; TVS (Total Volatile Solid) 7,4 gr/L; TSS (Total Suspended Solid) 6,0 gr/L; and VSS (Volatile Suspended Solid) 5,9 gr/L. The impact will potential if the solid cont…
The process of palm oil mill wastewater treatment produced by-product as sludge. Sludge generated made a problem for environment and for industry when no handling and processing of the sludge. The purpose of this research is to reduce the pollution of palm oil mill wastewater by composting method with sludge, boiler ash and fiber (fiber) material of palm oil. Sludge mixed with boiler ash, fiber…
The main challenge in peat water treatment is finding the treatment process that produces treated water quality which meets the quality standard of clean water. One of the peat water treatment is membrane ultrafiltration with combination coagulation-flocculation process. Combination treatment is done to improve the quality of processed water and reduce the workload of the membrane so membrane's…