Effects of Water Reuse, Recycling and Resource Recovery on Food Processing Waste Treatment in Thailand

1986 ◽  
Vol 18 (3) ◽  
pp. 23-33 ◽  
Author(s):  
R. J. Frankel ◽  
A. Phongsphetraratana
Keyword(s):  
Food Processing ◽  
Water Conservation ◽  
Water Reuse ◽  
Energy Use ◽  
Waste Treatment ◽  
Treatment Plant ◽  
Resource Recovery ◽  
Raw Material ◽  
Design Parameters ◽  
Treatment Needs

Two food processing industries in Thailand, namely pineapple canning and tuna/sardine canning, were studied over a 10 year period to document effects of water reuse, recycling and resource recovery (both energy and product) on waste treatment needs and actual operations. Changes in terms of water consumed, energy required, waste generated, and costs per ton of raw material processed were calculated. Lower overall annual costs resulted from all water conservation and energy recovery schemes even though stricter pollution control laws were the motivating factor behind the changes. Unit design parameters of water use, energy use and waste load generated per ton of raw material processed are included for both industries to permit extrapolations for future waste treatment plant designs.

Prospects, problems and pitfalls of urban water reuse: a case study

2001 ◽  
Vol 43 (10) ◽  
pp. 9-16 ◽  
Author(s):  
S. W. Hermanowicz ◽  
E. Sanchez Diaz ◽  
J. Coe
Keyword(s):  
San Francisco ◽  
Distribution System ◽  
Water Reuse ◽  
Energy Use ◽  
Large Fraction ◽  
Reclaimed Water ◽  
Treatment Plant ◽  
Water Reclamation ◽  
Bay Area ◽  
Local Water

This paper presents a successful water reclamation and reuse project in the San Francisco Bay area. The project, which includes a water reclamation facility and a separate distribution system, is operated by a wastewater utility and reclaims approximately 4% of its dry-weather flow. Project history, its design and implementation are further discussed. Planning, and especially demand analysis, was critical for project development. Earlier attempts of water reuse were not successful because reclaimed water quality did not match the requirements of potential large industrial customers. Current customers are a mix of public, commercial and residential users who apply the reclaimed water solely for landscape irrigation. In addition, a large fraction of the reclaimed water is used internally in the main wastewater treatment plant. Early connection of largest customers, innovative collaboration with a neighboring reclamation project and cooperation of the local water supplier were very important for project success. Distribution of internal process water consumes most energy. The second major energy use is for the treatment of reclaimed water while distribution of reclaimed water to external customers requires least energy.

Industrial water reuse opportunities and high temperature compatible membranes

2010 ◽  
Vol 10 (1) ◽  
pp. 113-120 ◽  
Author(s):  
A.-C. Valentin
Keyword(s):  
High Temperature ◽  
Reverse Osmosis ◽  
Water Reuse ◽  
Waste Treatment ◽  
Treatment Plant ◽  
Heat Content ◽  
Calorific Value ◽  
Partial Recovery ◽  
Makeup Water ◽  
Waste Treatment Plant

Process condensates represent a real value to the industry as it usually contains several items of potential savings, including but not limited to heat energy and water. In most cases the condensate has become contaminated with unwanted particles or with product carryover making it unfit for direct reuse in the process or as boiler makeup water. Conventional methods use heat exchangers for partial recovery of the heat content to be followed by ion exchange or reverse osmosis limited to 30–40°C feed temperature. By using the Duratherm® High Temperature compatible membranes in RO and NF, it is now possible to process the condensate at temperatures up to 80°C thereby maintaining the calorific value of the stream. Many plants also produce a product using evaporation. The overheads from the evaporators usually contain a small amount of their product that must either be recovered by an additional evaporation step or disposed of in a waste treatment plant. These reverse osmosis or nanofiltration systems allow concentration of the product, produce high quality water suitable for reuse, and reduce the load on the waste treatment plant. The treated condensate can then be used for various utility operations including boiler & process makeup.

Greywater treatment with biological aerated filter (BAF) for urban water reuse

2010 ◽  
Vol 10 (6) ◽  
pp. 907-914
Author(s):  
A. Meda ◽  
P. Cornel
Keyword(s):  
Fresh Water ◽  
Water Reuse ◽  
Treatment Plant ◽  
Organic Load ◽  
Design Parameters ◽  
Urban Water ◽  
Biological Aerated Filter ◽  
Service Water ◽  
Aerated Filter ◽  
Set Up

Greywater is an excellent resource for service water in intra-urban reuse. By substituting fresh water with appropriately treated greywater, it is possible to save 30–50% of fresh water. In this paper, an up-flow pilot biological aerated filter (BAF) is tested for the treatment of synthetic greywater and the design parameters are determined. An organic load of 8 kg COD/(m3 d) allows to achieving a good effluent quality with regard to COD, suspended solids, and anionic surfactants. By reducing the organic load to 5 kg COD/(m3 d) full nitrification is achieved as well. A process set-up for a full-scale BAF greywater treatment plant is proposed and dimensioned using the parameters from the pilot plant tests. Here, the required specific volume is approx. 3 L/C for the reactor and 16 L/C for the storage tanks. This feature make the BAF a compact process which can be successfully integrated in intra-urban water reuse schemes.

scholarly journals Viability of the Use of Leachates from a Mechanical Biological Municipal Solid Waste Treatment Plant as Fertilizers

Recycling ◽  
2019 ◽  
Vol 4 (1) ◽  
pp. 8 ◽  
Author(s):  
Jonathan Cardoso ◽  
Helder Gomes ◽  
Paulo Brito
Keyword(s):  
Waste Treatment ◽  
Treatment Plant ◽  
Chemical Properties ◽  
Raw Material ◽  
Mineral Fertilizers ◽  
No Production ◽  
Adsorption Processes ◽  
Solid Waste Treatment ◽  
Compost Leachate ◽  
Physical And Chemical

The main environmental issue associated with compost production is the production of a liquid leachate. Leachate from municipal wastes contains carbon, nitrogen, phosphorus, potassium and trace elements that can be used as nutrients by plants. The advantages of the use of organic wastes such as compost leachate as fertilizers are evident. Their use would reduce the consumption of commercial fertilizers, which need, with their production, high cost and energy. This work aims to determine the physical and chemical properties of a specific leachate with a variable composition, collected from the composting line of a mechanical and biological treatment facility. The goal is to assess if the leachates can be used as a potential source for fertilizers, and thus develop and design a sequence of processes which could effectively convert the leachates to commercial fertilizers according to the requirements of the proposal of regulation of the European Parliament of 2016 for fertilizers. Preliminary results show that the leachate samples qualitatively meet the requirements established for the composition of commercial fertilizers, especially organo-mineral fertilizers. Furthermore, there is no production cost of leachate as a raw material. The results show that the leachate is characterized by manageable concentrations of heavy metals which can be removed by adsorption processes, and it presents suitable amounts of organic carbon after a water removal procedure. However, the establishment of the conditions for suitable conversion processes are still under investigation considering the high composition variability due to factors like storage and environmental conditions.

Blueprint for a greener city: growth need not costthe earth

2005 ◽  
Vol 52 (9) ◽  
pp. 61-67 ◽  
Author(s):  
J.M. Anderson
Keyword(s):  
Water Conservation ◽  
Water Reuse ◽  
Energy Use ◽  
Rainwater Harvesting ◽  
River System ◽  
Environmental Benefits ◽  
System Capacity ◽  
Urban Water ◽  
Capital Costs ◽  
Alternative Water

The current human use of global natural resources exceeds the long-term sustainable capacity of the planet. New and more sustainable ways of building cities and providing urban water services are needed. The Australian city of Sydney is expected to grow by more than 1 million people over the next 30 years. Water use from the Hawkesbury-Nepean River system already exceeds system capacity. Current proposals to allocate a greater proportion of low flows to meet environmental flow needs will limit urban water allocations and require the development of more efficient water and sewerage systems for new and existing urban development. This paper presents a hypothetical case study of how water supply and sewerage services might be provided for an additional 1 million people over a 25-year period. It compares traditional service provision with alternative scenarios incorporating water conservation measures, rainwater harvesting and water reuse. The paper presents both economic and environmental comparisons. The economic comparisons include valuations of environmental externalities in the form of environmental levies. It shows that the extra capital costs of water conservation, alternative water sources and water reuse scenarios are offset by operating savings and environmental benefits. Ecological footprints are reduced because of lower water diversions, discharges, energy use and CO2 emissions. The paper also discusses the implication of alternative infrastructure ownership and water pricing arrangements, and the opportunities to create incentives for additional investment in water conservation and reuse projects.

scholarly journals First implementation of a SEMIZENTRAL resource recovery center

2016 ◽  
Vol 6 (4) ◽  
pp. 466-475 ◽  
Author(s):  
J. Tolksdorf ◽  
D. Lu ◽  
P. Cornel
Keyword(s):  
Wastewater Treatment ◽  
Water Reuse ◽  
Treatment Plant ◽  
Resource Recovery ◽  
Resource Efficiency ◽  
Wastewater Sludge ◽  
Energy Potential ◽  
Advantages And Disadvantages ◽  
High Resource ◽  
Service Water

The SEMIZENTRAL approach has been developed for fast growing cities, to meet their challenges regarding the supply of water and the treatment of biowaste and wastewater. Key elements of the SEMIZENTRAL integrated infrastructure approach are high resource efficiency due to urban water reuse and the usage of the energy potential of wastewater/sludge and waste, as well as its system size between central and decentral. In Qingdao (PR China), the SEMIZENTRAL Resource Recovery Center (RRC) has been implemented for the first time worldwide at full scale. The goal of high resource efficiency, which includes generating service water, has a significant influence on the process design of the RRC. Moreover, the influence of the site adaptation of the general SEMIZENTRAL approach to the actual location in Qingdao on emissions to the water body and on the energy balance has been investigated. Through comparisons with a conventional wastewater treatment plant, advantages and disadvantages are evaluated. Due to water reuse, energy can be saved, compared to alternative water resources. The discharged nutrient load decreases considerably. Nevertheless, the effort required for wastewater treatment increases.

Design of the Reclaimed Water Reuse Project for Recirculating Cooling Water in a Thermal Power Plant

2014 ◽  
Vol 507 ◽  
pp. 688-692 ◽  
Author(s):  
Hui Cong Pang ◽  
Can Can Zhang ◽  
Tai Zhong Gao
Keyword(s):  
Power Plant ◽  
Thermal Power Plant ◽  
Water Reuse ◽  
Thermal Power ◽  
Reclaimed Water ◽  
Treatment Plant ◽  
Cooling Water ◽  
Treated Wastewater ◽  
Design Parameters ◽  
Treated Water

The paper introduced the design parameters of a reclaimed water island engineering in a power plant. The total processing scale was 3.84×104m3/d. The raw water source of this project was the further treated wastewater from municipal treatment plant. The combination of BAF-Lime Conglomeration and Clarification-Filtration was employed in the design for advanced treatment. The operation results showed that the quality of treated water with this process in the reclaimed water island could satisfy the design requirement and the treated water was reused as recirculating cooling water in a thermal power plant.

Выбор расчетных параметров – расхода и качества воды поверхностного водоисточника при проектировании станции водоподготовки

2020 ◽  
Author(s):  
M. Shuvalov ◽  
A. Strelkov ◽  
S. Shuvalov
Keyword(s):  
Water Treatment ◽  
Water Reuse ◽  
Ph Value ◽  
Water Flow Rate ◽  
Treatment Plant ◽  
Water Treatment Plant ◽  
Design Parameters ◽  
Process Equipment ◽  
Quality Of Water ◽  
Injection Unit

Приводятся статистические данные за период 12лет по качеству воды в реке Большой Кинель в створе водозабора г. Кинель Самарской области и процедуре назначения расчетных параметров сооружений при проектировании новой станции водоподготовки. Принятая проектом технологическая схема предусматривает следующие процессы: процеживание на микрофильтрах, озонирование, известково-содовое умягчение, коагулирование, отстаивание в осветлителях со взвешенным слоем осадка, фильтрование и обеззараживание. В составе сооружений реагентного хозяйства спроектированы: установка введения порошкообразного активного угля в обрабатываемую воду перед скорыми фильтрами установка введения соляной кислоты для корректировки величины рН очищенной воды сооружения повторного использования воды, сгущения осадка и его механического обезвоживания. Строительство пускового комплекса станции водоподготовки завершено. Для выполнения расчета сооружений станций водоподготовки предлагается назначать три комбинации значений расчетных параметров расхода воды и качества (концентрации определяющих ингредиентов) исходной воды в зависимости от типа сооружения или технологического оборудования.Statistical data over a period of 12 years on the quality of water in the Bolshoi Kinel River at the water intake of the Kinel city of the Samara Region and the procedure for allocating design parameters to the structures while designing a new water treatment plant are provided. The process flow scheme adopted by the project provides for the following processes: screening in microfilters, ozonation, lime-soda softening, coagulation, sedimentation in clarifiers with sludge blanket, filtration and disinfection. The following facilities were designed as part of the chemical treatment facilities: a unit for introducing powdered activated carbon into the treated water before rapid filters hydrochloric acid injection unit for adjusting pH value of purified water water reuse facilities, sludge thickening and mechanical dewatering facilities. The construction of the start-up package of the water treatment plant has been completed. To carry out the calculation of the structures of water treatment plants, allocating three combinations of the values of the calculated parameters water flow rate and quality (concentration of determining ingredients) of the source water depending on the type of structure or process equipment is proposed.

Sustainable Water Conservation and Wastewater Reuse in a Palm Oil Mill: A Case Study in Southern Thailand

2002 ◽  
Vol 37 (4) ◽  
pp. 711-728 ◽  
Author(s):  
Shing Tet Leong ◽  
Samorn Muttamara ◽  
Preecha Laortanakul
Keyword(s):  
Wastewater Treatment ◽  
Palm Oil ◽  
Water Conservation ◽  
Water Reuse ◽  
Wastewater Reuse ◽  
Treatment Plant ◽  
Upflow Anaerobic Sludge Blanket ◽  
Anaerobic Sludge ◽  
Southern Thailand ◽  
Palm Oil Mill

Abstract The palm oil industry is one of the major agro-industries in Southern Thailand. It requires a large amount of water for its operation and discharges considerable quantities of wastewater. This creates a serious threat to the environment and sources of potable water. This study proposes recommendations for water conservation and reuse and improvement of wastewater treatment facilities to overcome these problems. In order to attain the highest reduction of all problems, waste minimization is introduced as the most effective solution. Changing behaviour in housekeeping can reduce water usage. An upflow anaerobic sludge blanket (UASB) process coupled with an activated sludge plant is recommended to upgrade the wastewater treatment system. For water reuse purposes, a rock bed filtration unit is recommended to treat effluent of the treatment plant. The overall water balance of the palm oil mill suggests that water reuse of 322 m3/d will reduce raw water consumption by 27.66% and achieve a 23% reduction in the water discharged to the river.

scholarly journals Potential of Energy Municipal Solid Waste (MSW) to Become Refuse Derived Fuel (RDF) in Bali Province, Indonesia

2021 ◽  
Vol 10 (1) ◽  
pp. 09-15
Author(s):  
I Wayan Koko Suryawan ◽  
I Made Wahyu Wijaya ◽  
Novi Kartika Sari ◽  
Iva Yenis Septiariva ◽  
Nurulbaiti Listyendah Zahra
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Energy Use ◽  
Ghg Emissions ◽  
Treatment Plant ◽  
Calorific Value ◽  
Raw Material ◽  
Refuse Derived Fuel ◽  
Open Dumping ◽  
Plant Processing

The generation of municipal solid waste (MSW) in Bali has various environmental impacts. One of the updates on sustainable waste processing is the RDF treatment plant processing. Before carrying out the processing, MSW characterization is needed because each region has a diverse composition. The processing of MSW into RDF provides benefits for achieving MSW reduction targets, renewable energy use, and the reduction of greenhouse gas (GHG) emissions. For this reason, this study was conducted to determine the potential of MSW in Bali as an alternative to renewable fuel and its potential to reduce GHG. MSW's potential calorific value as a raw material for RDF in Bali can reach 9.58 - 17.71 MJ/kg. The implementation of processing waste into RDF in pellets has shown a calorific value of ± 3904 - 4945 kkcal/kg. Implementing MSW processing into RDF in Bali can reduce GHG by 178 - 330 times compared to open dumping.

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