No abstract

Palm Acid Oil (PAO) is the by-product from physical refining product of Palm Oil Mill Effluent (POME). PAO is the product from the last portion of converted Crude Palm Oil (CPO) in the end of that consist free fatty acid (FFA) >50%. The chemical properties in the PAO can make it be a part of animal feed as it is low in free fatty acid (FFA) and cheaper than CPO [1]. This study is focus on reducing the negative impact to the environment by utilizing the waste of POME, jackfruit leaves and soybean waste. Three formulations were tested on goats to determine the most suitable formulation. The formulations have different amount of each material. The nutrient in each formulation was calculated based on feeding guides by Department of Veterinary entitled nutrient composition of Malaysian feed materials and guides to feeding of cattle and goats [3]. Three goats were involved in this study. Two goats were fed with the formulations. Meanwhile, the other one was fed with its regular feeds which is Napier grass Taiwan and commercial pellet that act as a control. The result obtained will be compared with the control goat. The feed intake of each goat was recorded. As results, the suitable formulation of the composition of waste material had been choose as they can increase the weight and performance of Asian domestic goats. The uses of waste proved which is development of waste to be animal feed to meet the green technology and Malaysia Industrial revolution in livestock industries [2].

This investigation was embraced ex-situ to investigate the capability of the submerged plants’ water hyacinth (Eichornia crassipes) and water lettuce (Pistia stratiotes L.) as phytoremediation aquatic macrophytes for nutrients removal from a eutrophic lake situated at KotaSAS Lakeside surrounded by residential area as the risk of algae bloom can be avoided. The present of mankind activities such as sewage runoff and agricultural towards water bodies, the eutrophication process being speed up. The capability of these plants to evacuate certain parameters not just supplements while additionally including BOD5, COD, TSS, Turbidity, and heavy metals. The technique for investigation of lake water was alluded by Standard Method for Examination of Water and Wastewater. Water lettuce displayed extraordinary nitrate removal effectiveness up to 94% however this plant species shrivelled from week 2 of the examination because of an absence of nitrate supply and caused an expansion in phosphorus concentration. Then, water hyacinth indicates relentless evacuation productivity with a normal of 82% for nitrate and phosphorus. Other than that, water hyacinth indicates 88% and 72% of TSS and turbidity expulsion effectiveness which can improve the clarity of lake water. With this accomplishment gained in phytoremediation innovation utilizing water hyacinth, it is of most significance for this innovation to be executed in bigger scales in the future.

One of the natural water resources is groundwater. Groundwater is another alternative to meet the increasing water demand in Malaysia. Then, the decrease in supplying raw groundwater which may due to depletion of groundwater and hence it is important to maintain the availability of water supply locally and even establish new water source such as from peat swamp to overcome future water crisis. Activated carbon is famous for its characteristic in eliminating various organic contaminants. In this investigation, low cost mixed activated carbon of food waste (citrus peel) and agricultural waste (palm kernel shell) are used as adsorbents in biological sand filter to treat peat swamp groundwater whereby the overall aim of study to evaluate the performance of mixed activated carbon layer of citrus peel and kernel in biological sand filter for peat swamp groundwater treatment. The mixed activated carbon with 1:1 ratio is filled into the biological sand filter. The efficiency of the mixed activated carbon layered biological sand water treatment system is evaluated using parameters pH, Turbidity, Chemical Oxygen Demand (COD), Biological Oxygen Demand (BOD), Total Suspended Solids (TSS) and E. coli and removal of heavy metal ions of peat swamp groundwater. All these parameters follow the Standard Methods for Examination of Water and Wastewater 2005. The implementation of investigation improved the water quality of the peat swamp groundwater, the water treatment technology using combination of activated carbon and biosand filter, human living standards by providing safe and clean water supply.