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Life Cycle Assessment of Particleboard Industry in Pakistan

Thesis Info

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Author

Hussain, Majid.

Supervisor

Riffat Naseem Malik

Program

PhD

Country

Pakistan

Thesis Completing Year

2018

Thesis Completion Status

Completed

Subject

Environmental Sciences

Language

English

Link

http://prr.hec.gov.pk/jspui/handle/123456789/9391

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676726583114

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Particleboard is a composite panel comprising small pieces of wood bonded by adhesives. The particleboard industry is growing in Pakistan but there is little information on the environmental impacts associated with this product. Therefore, the aim of this study was to develop a life cycle assessment of particleboard manufactured in Pakistan and to provide suggestions to improve its environmental profile. The study covers energy use and associated environmental impacts of raw materials and processes during particleboard manufacture in the year 2015-2016. This study quantified the environmental impacts of particleboard production in Pakistan using a cradle-to-gate (distribution center) life cycle assessment approach. The system boundary comprised raw materials acquisition, transport, particleboard manufacture and finished product distribution. Primary data were collected through surveys and meetings with particleboard manufacturers, whereas secondary data were taken from the literature. The reference unit for this study was one cubic meter (1.0 m3) of finished, uncoated particleboard. Primary data from the particleboard mill surveys were combined with secondary database information, and modeled using CML 2000 v.2.05 methodology and a cumulative exergy demand indicator present in the SimaPro version 8.3 software. The results reveal that urea formaldehyde resin, transportation of raw materials, and finished product distribution, had the highest contribution to all the environmental impact categories evaluated. Heavy fuel oil and natural gas consumption was responsible for abiotic depletion, photochemical oxidation, ozone layer depletion, and marine aquatic eco-toxicity impacts. The rotary dryer and hot press was the most important sectors in terms of emissions from the manufacturing process. Furthermore, greenhouse gas emissions (GHG) from off-site industrial operations of the particleboard industry represented 52% of the total emissions from the production of 1.0 m3 of particleboard in Pakistan. The on-site industrial operations cause direct GHG emissions and accounted for about 48% of the total emissions. These operations included energy consumption in stationary sources, the company-owned vehicle fleet, and the distribution and marketing of the finished product. The use of natural gas combustion in the stationary and mobile sources, raw material transport and urea-formaldehyde resin production chain accounted for the highest emissions from the particleboard production in Pakistan. The total cumulative exergy demand required for manufacturing of 1.0 m3 particleboard was 15,632 mega joule-equivalents, with most of the energy usage associated with non-renewable, fossil fuel sources. Among the seven impact categories, non-renewable fossil sources had the highest contribution i.e. 12,504 MJ-eq to the total exergy removed from the nature to manufacture 1.0 m3 particleboard. Similarly, renewable biomass was the second largest source with contribution of 1,455 MJ-eq exergies, whereas non-renewable minerals were responsible for only 25.40 MJ-eq in the total exergy required for 1.0 m3 particleboard manufacture. The embodied energy for the manufacture of 1.0 m3 of particleboard comprises of fossil fuels and purchased electricity consumed in stationary sources of the mill. The energy consumption in stationary sources of the particleboard mill was 5.457 GJ per m3 of particleboard production, whereas the total energy consumption in cradle-to-gate life cycle of the 1.0 m3 particleboard production was 8.187 GJ during 2015-16. x The wood materials used in the manufacture of particleboard can store and embodied carbon, which can be utilized to offset the carbon dioxide emissions from production chain of the particleboard mill as well as from product use and disposal, if forest management practices are on sustainable basis (scenario-II in the present study). Therefore, to manufacture 1.0 m3 of particleboard, the carbon storage was equal to -1441 kg CO2e, which can offset the cradle-to-gate carbon footprint (975.282 kg CO2e) of per m3 particleboard produced in Pakistan during 2015-16. This also leaves a net carbon flux of -564.04 kg CO2e per m3 particleboard manufacture as a carbon credit, which can also be used to offset the emissions from product use and disposal, consequently diminishing its impact on climate change. A sensitivity analysis was conducted for a reduction in the quantity of urea formaldehyde resin consumed and freight transport distances. The results indicated that reducing the urea formaldehyde resin use and freight distances could greatly decrease environmental impacts. Most of the surveyed mills did not have emissions control systems and most of the mills exceed the limits set by the National Environmental Quality Standards of Pakistan. Environmental impact improvements might be attained by reducing quantity of urea formaldehyde resin and transportation freight distances, and by installing pollution control devices. The identification of the major hotspots in the particleboard production chain can assist the particleboard industry to improve their environmental profile. More efforts are needed to investigate the urea-formaldehyde resin production chain and substitution of round wood with wood and agri-residues to assess the potential improvements. In addition, renewable energy sources should be encouraged to avoid GHG emissions by substituting fossil energy. This study also provides a benchmark for future research work to formulate comprehensive emissions reduction plans, because no previous research work is available on environmental profile of the particleboard produced in Pakistan. Keywords: Life cycle assessment, Cumulative exergy demand, SimaPro, Particleboard, Environmental impacts, Wood, Carbon footprint, Pakistan
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بررسی منقبت سرایی فارسی اھل بیت اطھار ع در شبہ قارہ از آغاز تا دورہ معغول

‘’ A study of Manqabat Seraie Farsi Ahle- Bait in the Sub-Continent” (From beginning to Mughal Era) The term “Manqabat” means “Praise the character and sacrifices of the Holy prophet (PBUH) and His innocent progeny, the AHLE-E-BAIT (A.S). No Muslim can deny the fact that the Holy Prophet (PBUH) gave so much importance to His family that He (ﷺ) asked only the love of Muslims to His household(Ahle Bait), the only reward for His mission of prophethood. Quran and Sunnah of prophet (ﷺ) are witness to this. Both Quran and prophet’s Households are like heart of Islam. Many verses of Holy Quran and Hadiths of Prophet Muhammad has explained its importance. Manqabat started in Arabic language in the land of Hijaz with the conquest of Iran. Arabic culture, language and Islamic traditions spread in the area, and soon Hamd,Naat,and Manqabat-e Ahle Bait started in Persian poetry. Many famous poets started writing Manqabat. In short, one can say that saying of Naat and Manqabat of Ahle-e- Bait (A.S) is an ongoing journey that will continue. Writing of Manqabat-e Ahle Bait (A.S) started in early seventh century in Indian sub-continent, poets like Khusro, Saib, Ghalib and Meer Taqi Meer have contributed significantly and made the subject more broader and wider. Khawaja Bakhtiar Kaki, Khawaja Moeen-ud-din Chisti and Bu Ali Qalandar are among prominent personalities who wrote manqbat in Persian language in sub-continent. Persian poetry has contributed a prominent part in Naat writing, yet a lot of work has to be done in the field of writing Manqabat-e-Ahle –Bait (A.S) from Salateen era to the year 1857. Hence this research work was carried out. The thesis starts with introduction, in which the meaning of Manqabat- e-Ahle Bait is explained in the light of Quran, Sunnah and sayings of Sahaba (R.A). The thesis is further divided into different chapters. Chapter one starts with the introduction of poetry work of poets of Salateen era (1014-1525 A.D) according to year wise. The number of poets in this chapter are 15. In chapter two, the poetic work of Mughal period with special reference to Manqabat from the year 1525 to 1706 (A.D) is given in year wise. The total number of poets in this near are 22. Chapter three is more elaborative than the previous ones. The era starts from the year 1706 to 1857. The poetic work in The field of Manqabat- e – Ahle Bait (A.S) is given year wise. The total number of poets in this era are 62. This research is a little contribution in Manqabat - e - Ahle Bait (A.S), acceptance is its reward and may be is prayer. I am very much thankful to my supervisor Prof. Dr. Muhammad Iqbal Shahid, Dean, Faculty of Languages, Islamic and Oriental Learning, Chairperson, Department of Persian, GCU Lahore for his valuable suggestions/guidance and time to time positive criticism which brought this research work to a fruitful end.