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Latest update： 04/07/2021 14:00:01
TBM Co., Ltd.
NEW TECHNOLOGIES TO GENERATE GREEN ENERGY FROM FOG (FATS, OIL, GREASES) ―TBM'S DECARBONIZATION SOLUTION: FOG-Green Power Generation System
What is Fats, Oils and Grease (FOG)? The renewable energy resource utilized in the "FOG-Green Power Generation System" is fat, oil, grease (=FOG). In a broad sense, FOG refers to fat, oil and grease that enter wastewater as a result of cooking, eating and drinking. In restaurants and households, fat, oil and grease adhering to cooking utensils (frying pans, pots, griddles, etc.) and tableware are washed after cooking or eating, and are discharged into the sewage system as wastewater. The presence of these fats, oils and grease in wastewater causes adverse effects on various infrastructures. To give an example, 1) Blockages caused by FOG adhering to the inner surface of drains and public sewer pipes and accumulating in layers over time; 2) Degradation of drain and sewer pipe function due to FOG deposits; 3) Decrease in sewage treatment capacity due to large amounts of FOG flowing into sewage treatment plants; 4) Water pollution caused by poor wastewater treatment capacity; 5) Increase in expenses for maintaining sewage treatment capacity and increase in CO2 emissions due to increase in sewage treatment volume. Recently, the growing global awareness of environmental problems caused by FOG has led to discussions at all levels, from academic research to business and policy, on how to solve the problem. In restaurants, commercial facilities, hotels, and other facilities where large amounts of food are prepared, a large amount of FOG is generated every day. If these FOGs flow into the sewage system, there is a risk of causing serious damage to various infrastructures. Therefore, in most of the countries in the world, it is legally obligatory for food service establishments and commercial facilities to install a device called Grease Trap to collect FOG in order to prevent FOG from flowing directly into the sewage system. FOG in the narrow sense indicates grease and fats collected in grease traps in the stage before kitchen wastewater is discharged to sewage. The FOG accumulated in the grease traps is periodically pumped out and usually incinerated as industrial waste. In other words, FOG is a biomass resource that is still largely unused in the world.
- TBM Decarbonization Solutions: FOG-Green Power Generation System
TBM's decarbonization business consists of four main services: (A) Kitchen Management Service; (B) Advanced Biofuel Refining and Supply Service; (C) Decarbonized Energy Supply Service; (D) Carbon Offset Service. The four services, including their respective business models, are a collection of unique technologies patented both domestically and internationally, and will serve as tools for implementing SDGs 7, 9, 12, and 14. At the same time, the services will work together as a circular economy to realize the construction of a decarbonized society. In 2018, our technologies were selected as the environmental technologies to represent Japan at the 24th Conference of the Parties to the United Nations Framework Convention on Climate Change (commonly known as COP24) held in Poland, and in "Japan’s Submission for Talanoa Dialogue (p.11)" announced by the Japanese government, the issue of FOG and the efforts of TBM were presented as examples of projects to build a decarbonized society.
(A) KITCHEN MANAGEMENT SERVICE This service was developed to maintain the water environment of food service establishments and commercial facilities, which are the largest dischargers of FOG (fats, oils, greases), and their surrounding areas in the best condition possible. In addition to recovering FOG as a raw material for advanced biofuels, the service will greatly reduce the treatment load on sewage treatment plants and save energy by completely removing FOG, the cause of social problems such as fatberg and clogged public sewage pipes, at the point of origin. As a result, this service contributes to the reduction of CO2 emissions and conservation of the water environment. (B) ADVANCED BIOFUEL REFINING & SUPPLY SERVICE Using the recovered FOG as a raw material, the company refines the first “advanced biofuel” in Japan, which can be converted into hydrocarbon fuel through hydrogenation and other processes without the use of fatty acid methyl esterification, an existing process for converting biodiesel fuel. The company sells two types of fuel: an “advanced fuel substitute for heavy oil” used at clean centers nationwide, and an “advanced diesel substitute fuel” with an extremely high purity of less than 5 microns of impurities in the fuel, which is used for renewable electricity generation at its power plants.
(C) DECARBONIZED ENERGY SUPPLY SERVICE This service is a green power generation project that utilizes the advanced diesel fuel SMO, a biofuel developed by TBM Co., Ltd.. By conducting the entire process from the collection of FOG, the raw material for the fuel, to the generation of electricity in the same region, the project will realize local production and local consumption of renewable energy, and at the same time, reduce CO2 emissions through the elimination of fossil fuels. (D) CARBON OFFSETTING SERVICE "Carbon credits" derived from renewable electricity and heat generated through TBM Decarbonization Solutions are sold or returned to companies and local governments that have adopted TBM’s services. In addition to being effective in addressing the CDP questionnaire and Science Based Targets, this service will be a solution for all companies that have adopted the motto «decarbonization» such as the RE100 target, and for local governments that are working on the SDGs for local development.
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