scholarly journals A comparative study on generation and composition of food waste in Kundasang, Sabah

2021 ◽  
Vol 920 (1) ◽  
pp. 012026
Author(s):  
A Zakarya ◽  
A F Yabainus ◽  
R Halis ◽  
M R Beson

Abstract In this era, we are facing a very troublesome problem, and that is food waste. Food wastage started happening decades ago and is still happening today. This not only comes from large-scale food and beverage production but, unfortunately, also comes from people’s behavior. Which had made the research to study the generation and composition of food waste in Kundasang, Sabah and identify the awareness of food waste management. the collection of the food waste involved in residential and commercial and then, divide into two types which are cooked and uncooked food waste. As a result, the food waste generated from the commercial was more than residential area. Then, the food waste generation rate for every person is 0.14 kg/person/day. Most of the people in Kundasang know about food waste management but they do not know the proper way to manage the food waste but 64 % of them, interest to involve minimize the food waste in the future. Knowledge and skills can be spread among family residents through sports and awareness activities related to food management. In short, appropriate methods should be introduced to overcome the restrictions on the residents of Kundasang’s households to minimize food waste.

2019 ◽  
Vol 7 ◽  
pp. 10-19
Author(s):  
Amit Shankar Ranjit ◽  
Ronish Shakya ◽  
Sushila Gwachha ◽  
Razim Ganesh ◽  
Meera Prajapati ◽  
...  

Bhaktapur Municipality has been performing better to keep the city clean. However, scarcity of space for the land filling of the solid waste and proper segregation of waste at the source has been a hurdle for the Municipality. This paper aims to determine solid waste generation rate and to analyze overall situation of solid waste management of Bhaktapur Municipality. However, the data will not represent the seasonal and occasional variations. Additionally, waste from street-sweeping and large-scale institutional and commercial components of the Municipality has not been assessed. Arkin and Colton (1963) was referred for the sample size determination. Sample of 376 households were taken accordingly. Twenty representative samples each for commercial and institutional establishments were selected, and one each for special cases such as hospital, slaughter house and poultry has been assessed. Municipal household waste generation was found to be 0.093kg per capita per day which was chiefly composed of 77% organic, 18% plastic and 3% paper. Organic waste has been a major waste for institutions such as schools whereas at governmental and public offices, paper is the predominantly generated waste. Among commercial establishments, shops and restaurants mostly generate organic waste and that for departmental stores has been paper. Though collection system was found to be satisfactory, treatment and final disposal have been unsustainable. Available treatment facilities have been shut down whereas other infrastructural components have been lacking.


2020 ◽  
Vol 10 (4) ◽  
pp. 40-45
Author(s):  
Maimoona Khalil ◽  
Nausheen Mazhar ◽  
Dania Amjad

Solid waste management in any large urban city like Lahore requires special disposal measures. In thisregard, Lakhodair landfill and Mehmood booti dump sites collect and handle major bulk of all the solid waste comingfrom ten towns of Lahore, with the city’s waste generation rate of being 0.84kg/capita per day. Spatial expanse of boththe sites was calculated in Arc GIS 10.3 system. The findings clearly showed that the extent of both these dump siteshad increased during 2006-2016 due to an enormous rise in solid waste generation. During 2006, the area of MehmoodBooti dump site and Lakhodair Landfill site was only 15 hectares and 17 hectares respectively. By 2016, this area hadincreased to 32 hectares and 52 hectares respectively. The mapping of these two sites can help in future researchesbased on investigating the disease patterns among people residing around these sites and by determining methaneemissions in the study area.


2018 ◽  
Vol 120 (3) ◽  
pp. 639-649 ◽  
Author(s):  
Jehangir Bharucha

Purpose Around 67 million tons of food is wasted in India every year, which has a value of more than US$14 billion (Haq, 2016). The purpose of this paper is to concentrate on one major source to which the current massive proportion of wastage can be attributed: restaurants. It investigates the statistics, the problem at large, how the restaurants are handling it and recommends ways to better manage the issue. Design/methodology/approach A qualitative inquiry has been used. The research population for this study consisted of 63 restaurant owners across Mumbai city and its suburbs. In-depth discussions were held with these restaurant owners/managers in various matters of interest to this study. Findings The group of restaurateurs opined that the solution to Mumbai’s restaurants waste management lies in micro management rather than large scale plans. In total, 75 percent of the restaurants have 10-20 percent extra preparation. High-end fine-dining restaurants make even more additional preparations and are the ones more receptive to participating and also sensitive toward importance of waste management. Several of the restaurant owners claim that they can estimate the requirements on specific days of the week. In all, 18 percent of the restaurants surveyed claimed to have a complete dispose of policy. Majority of the restaurants have a clear policy to distribute the surplus food among their staff. Several other innovative strategies were shared. Research limitations/implications The restaurant owners/mangers may not have truthfully answered all questions. The participants might have the fear that the authorities would take cognizance of some of the practices that they are following and would have been guarded in their responses. There would always be a fear that the identities would not be kept confidential. Practical implications India as a country has been agriculture based for centuries and characterized by massive food production. Yet, people face rampant starvation and malnourishment. This arises to a large extent due to the colossal amounts of food wasted at marriages, restaurants and even by destruction of crops. Originality/value The restaurant industry is of critical importance to the Indian economy and while research in India has focused on overall food wastage, studies on restaurant food waste are lacking.


Foods ◽  
2019 ◽  
Vol 8 (10) ◽  
pp. 428 ◽  
Author(s):  
Janssens ◽  
Lambrechts ◽  
Osch ◽  
Semeijn

Food production and consumption have remarkable negative environmental effects, in particular food waste. Food waste occurs throughout the entire food system, but households make the largest contribution. Reducing unnecessary waste of food represents a crucial step toward overcoming global issues of food waste, hunger, and climate change. Identifying barriers in reducing food waste is important not only to government and policymakers, but also to food producers, retailers, and marketers. Therefore, the objective of this research was to find out how consumer behavior in daily food provisioning affects food waste. An online survey was set up to question Dutch consumers (partly) in charge of the household’s food management. A total of 211 consumers participated in answering questions on household composition, food management behavior (e.g., food purchase planning) and food waste awareness (i.e., concern about wasting food and intention not to waste food). Results show that purchase behavior in-store was the main driver of food waste. Specifically, participants indicated that buying more food than needed often had led to food waste. In addition, intention not to waste food acted as a moderator in the relationship between planning behavior and food waste. Age appears to have a diminishing impact on wasting food.


2020 ◽  
Vol 2020 ◽  
pp. 1-11
Author(s):  
Ashenafi Tesfaye Bicks

Energy shortage is the main problem while preparing food at the university in Ethiopia. Baking of injera consumes a lot of firewood due to the nature of baking mitad and layout of the system. The daily average firewood consumption is 8600 kg which is equivalent to 790.3 m3 of gas. In this study, an investigation of energy yield from food waste is examined by assessing the daily waste generation rate from the university student cafeteria and configuring the baking stove (mitad) that utilizes biogas energy. CFD is used to investigate the performance and heat distribution of baking mitad. In the study, the measured average daily biodegradable food waste and kitchen waste generation rate in the campus is around 863 kg/day. The conversion of this food waste using the anaerobic digestion system yields 43.2 m3 biogas per day. Utilizing the daily biogas generated for baking injera improves the overall food making process and reduces firewood consumption by 5.4%. This biogas energy yield is considered to be utilized for baking injera in the kitchen. The designed biogas mitad (stove) does not generate smoke due to the type of fuel used and configuration of baking mitad. Furthermore, the stove has an insulation mechanism considered to conserve the heat loss to the surrounding. Generally, the utilization of the biogas system and integration of the biogas injera baking stove will improve the overall food processing mechanism in the university.


2021 ◽  
Vol 7 (3) ◽  
Author(s):  
Hooshyar Hossini ◽  
Sheida Atashkar ◽  
Tooraj Massahi

Background: The outbreak of COVID-19 has caused a devastating pandemic scenario in the world. The mortality rate has increased and new socio-economic challenges are emerging. Millions of gloves, gowns, face masks, and face shields are used daily to prevent airborne transmission and facilitate the treatment of COVID-19. Mismanagement of these wastes can lead to increased concerns due to their contamination potential. A comprehensive plan to improve the management of medical wastes in every country requires awareness of the current status of solid waste. As a result, the study aimed to calculate and estimate the consumption rate of face masks and medical waste generation rate during the COVID-19 pandemic in Iran. Also, the performance of different departments of medical waste management and future challenges are discussed. Methods: The daily consumption of face masks and medical waste generation were calculated based on the population data, the percentage of the urban population, face mask acceptance rate, the number of face masks needed per person per day, total COVID-19 confirmed cases, and medical waste generation rate (kg/bed/day). Results: The consumption of face masks in Iran is estimated at 46576000 pieces per day. Also, the three provinces of Tehran (9,560,000 pieces), Khorasan Razavi (3,825,600 pieces), and Isfahan (3,523,200 pieces) have the highest consumption rate of masks, respectively. Increasing the number of confirmed COVID-19 cases has increased the medical waste generation rate. Until April 3, 2021, more than 1,920,394 cases of COVID-19 have been confirmed in Iran, and calculations show that the medical waste generation rate in Iran is about 7,585.56 tons per day. Conclusions: COVID-19 is a highly infectious and problematic disease. The continuous increase in the number of confirmed COVID-19 cases has increased face mask consumption rate and medical waste generation rate, and as a result, new challenges have emerged in the field of solid waste management. These emerging challenges in managing solid waste during the COVID-19 pandemic necessitate the development of appropriate waste management policies and strategies.


2020 ◽  
Vol 6 (9) ◽  
pp. 1809-1821
Author(s):  
Samita Arub ◽  
Sajid Rashid Ahmad ◽  
Sana Ashraf ◽  
Zahra Majid ◽  
Sadia Rahat ◽  
...  

Hospital waste management is of vital significance owing to its contagious and hazardous nature as it can produce detrimental effects for both humans and the environment. This work aimed to examine types of waste with respect to waste generation rate in multiple teaching hospitals of metropolitan Lahore. A structured questionnaire survey, site visits, interviews and meetings were conducted in seventeen teaching hospitals. The results have shown that total hospitals average waste, infectious, non-infectious and waste generation rate in Lahore teaching hospitals were 38978 kg/day, 10789 kg/day, 28189 kg/day and 3.7 kg/bed/day, respectively. It is concluded that maximum waste generated in Mayo hospital, Jinnah hospital, Services hospital and Lahore general hospital was 16%, 12%, 12% and 10%, respectively, as per maximum patient’s visits. Positive liner correlation was between number of beds (P=0.917), number of accidents and emergency patients (P=0.75), infectious waste (P=0.998) and (P=1) with total waste. A straight line of linear regression was between (0.9966) infectious waste and (0.9995) general waste with average waste. Although, waste collection practices in these teaching hospitals were observed satisfactory but required training of doctors, nurses and hospital paramedical staff regarding infectious and general waste segregation. It is suggested that hospital staff, waste management and waste collection workers and respective waste management companies should be well trained and aware regarding infectious and non-infectious waste segregation, handling and disposing off procedures.


Author(s):  
Daniela Dea Hapsari ◽  
Sumarsono Sudarto ◽  
Gembong Baskoro

The Construction and Demolition (C&D) industry is very close to various waste management issues as the generation of waste is inevitable in every construction. In Indonesia, to make an applicable implementation of C&D Waste Management, the improvement must be made by looking into the actual field process. The improvement uses DMAIC as the lean tools and VSM to state the current process of material from its delivery on the site into a waste. Waste that is being monitored is the most used materials in the case study project which are concrete. A notable project was taken for the study as it will help other structure projects to imitate the down-to-earth future state, aiming at the reduction of waste generation rate and also business process improvement. The result shows that the process of concrete from orders to waste took eight steps, and three of them are improved, producing 3% lesser waste from the current state. The best scenario WGR were analyzed to also answer the stakeholder interest within the case study.


2019 ◽  
Vol 38 (1) ◽  
pp. 44-58
Author(s):  
Mahdi Farzadkia ◽  
Sahand Jorfi ◽  
Mashaallah Nikzad ◽  
Shahram Nazari

The main objective of this research was to investigate the waste characteristics and management activities in the Savojbolagh industrial zone, Iran, in order to rank the active industries from environmental perspectives using an innovative index. First, the industrial categories with over 50 employees were identified and classified according to their production process. Then, 54 industries were selected and all industrial processes, the types and quantities of products, per capita industrial waste generation, physical analysis and management activities in terms of minimisation, storage, processing, recycling and disposal were evaluated. The required data were obtained through questioners, interviews and field observations. A scoring system was prepared for evaluation of environmental status of waste management practices. Results indicated that the total industrial waste generation rate was 67,258 kg d-1, in which 4528 belonged to hazardous waste. Furthermore, the per capita waste generation rate was 5.51 kg d-1. Plastic, paper and cardboard and metals constituted the most fractions of wastes, respectively. Food and beverage, metallic and chemical/plastic industries were the biggest waste generators. Metallic industries with total score of 502.5 and non-metalic-mineral industries with the total score of 114 were categorised as the best and worst industries in terms of waste management practices.


2019 ◽  
Vol 38 (8) ◽  
pp. 857-867 ◽  
Author(s):  
Eduardo de Carvalho Teixeira ◽  
Marco Aurélio Stumpf González ◽  
Luiz Fernando Mälmann Heineck ◽  
Andrea Parisi Kern ◽  
Guilherme Manfredini Bueno

The building industry is responsible for a large amount of waste, and the measurement and modelling of this waste could be used to develop better waste management plans. Several theoretical models explain the relationships between waste and building characteristics, but local practices may result in different behaviours. This study aimed to measure and analyse the waste generated through construction. It was based on the analysis of 18 building sites located in the region of Porto Alegre, Brazil. Waste was measured at these sites, and the results showed an average waste generation rate of 0.151 m3 m-2. A regression analysis of the collected data presented a satisfactory performance in two models. The first model was developed to explain total waste generation, including the effects of certain attributes, with an R2 = 0.81. The changes in waste generated during construction were estimated. The second model considered time schedules and examined the effect of the construction stage on waste generation, and reached an R2 = 0.91. The model with time indicated an S-shaped relationship. The models presented satisfactory statistical parameters and could be used to produce better waste management plans in the preconstruction stage.


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