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An Evaluation on Compost Quality Produced in UTP Campus

Nasrudin, Syazana (2011) An Evaluation on Compost Quality Produced in UTP Campus. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

UTP is producing compost or organic fertilizer from the food waste that generated by cafeterias in UTP. A few tests have to be carried out to analyze the content of the compost and to determine the quality of the compost, whether it is suitable and safe to be used as fertilizer. Compost quality standard documents from Canada and United States are the main references in determining the quality of compost produced in UTP. There are 6 criteria that being considered in determining the quality of compost produced in UTP which are maturity of the compost, heavy metal content, foreign matter content, pathogens content, constituents of the compost which indicates the percent ofCHNS, NPK (Nitrogen, Phosphorus, Potassium) content of the compost and moisture content. Maturity of compost is determined based on the germination of radish seeds and bean sprout seeds in the compost and C/N ratio of the compost. Germination of those two types of seeds is carried out in three different conditions which are in 100 % soil, 1 00 % compost and in 50 % soil and 50 % compost. The content of seven types of heavy metal which are lead, cadmium, copper, chromium, zinc, nickel and boron were tested on the compost. Any matters that are greater than 2 mm in dimension that results from human intervention and having organic or inorganic constituents such as metal, glass and synthetic polymers (plastic, rubber) are considered as foreign matters. Quanti-Tray I 2000 are the device that being used to determine the amount of bacteria in 100 ml of compost sample using IDEXX-d substrate reagent. NPK content is determined by carrying out powder pillow test. Moisture content of the compost is determined using the moisture analyzer. For maturity aspect, germination of both types of seeds only occurred in 100% soil. C/N ratio of the compost is 17.67. The content of heavy metal in the compost are within the allowable limit. For foreign matter analysis, compost produced in UTP contains no man-made foreign matter such as glass, plastic, metal and stones. For pathogens analysis, the compost does not contain E.coli. The amount ofNPK in compost produced in UTP is low compared to the standard and moisture content of the compost is 54.65 %.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Water and environment - Water
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: UNSPECIFIED
Depositing User: Users 2053 not found.
Date Deposited: 23 Oct 2013 11:18
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/9536

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