A Pilot Constructed Treatment Wetland for Pulp and Paper by Margaret Akinyi Abira

By Margaret Akinyi Abira

This learn, carried out in Kenya, supplies the 1st perception into the functionality of a developed remedy wetland receiving pulp and paper mill wastewater within the tropics.

The wetland successfully got rid of natural topic, suspended solids, phenols and nutrition. BOD and phenols relief premiums are mentioned for the 1st time. layout parameters and guidance for the set-up and upkeep of a full-scale wetland are suggested. The research concludes that integrating a full-scale wetland, as a tertiary level with the present remedy ponds could considerably increase the standard of water in River Nzoia downstream of the effluent discharge.

This is a precious source publication for scientists, managers and scholars within the box of wetland ecology, water and environmental management.

Show description

Read Online or Download A Pilot Constructed Treatment Wetland for Pulp and Paper Mill Wastewater: Performance, Processes and Implications for the Nzoia River, Kenya, UNESCO-IHE PhD PDF

Similar waste management books

Hazardous Laboratory Chemicals: A Disposal Guide

A perennial bestseller, harmful Laboratory chemical substances Disposal advisor, 3rd version contains person entries for over three hundred compounds. The huge record of references has been up to date and comprises entries for 15 insecticides time-honored in greenhouses. Emphasis is put on disposal equipment that flip dangerous waste materials into non-toxic items.

Nuclear Waste Cleanup Technologies and Opportunities

One of many biggest, most intricate and dear environmental difficulties within the usa is the cleanup of nuclear wastes. the united states division of power (DOE) has nearly 4,000 infected websites overlaying tens of millions of acres and replete with infected harmful or radioactive waste, soil, or constructions.

Radioactive Waste Management and Contaminated Site Clean-Up: Processes, Technologies and International Experience (Woodhead Publishing Series in Energy)

Radioactive waste administration and infected website clean-up studies radioactive waste administration methods, applied sciences, and overseas studies. half one explores the basics of radioactive waste together with resources, characterisation, and processing suggestions. overseas defense criteria, danger review of radioactive wastes and remediation of infected websites and irradiated nuclear gas administration also are reviewed.

Management, Operation, and Maintenance of Irrigation and Drainage Systems (Asce Manual and Reports on Engineering Practice)

"Management, Operation and upkeep of Irrigation and Drainage structures (Manual No. 57)" is a revision of the 1980 book "Operation and upkeep of Irrigation and Drainage Systems". This handbook offers major new thoughts and ameliorations of systems which have been carried out through the irrigation and drainage undefined, relatively in components of administration and upkeep options, environmental advantages and defense practices.

Additional info for A Pilot Constructed Treatment Wetland for Pulp and Paper Mill Wastewater: Performance, Processes and Implications for the Nzoia River, Kenya, UNESCO-IHE PhD

Example text

Water Science and Technology 48 (5): 223 - 231. , 1998. Levels of the physico-chemical parameters in the liquid effluents from Pan African Paper Mills at Webuye and in River Nzoia. PhD Thesis, Moi University, Kenya. APHA, 1995. Standard methods for the analysis of water and wastewater, 19th edition. American Public Health Association, Washington DC. J. E. 1986. The effect of treated pulping effluent on a river and lake ecosystem. Tappi Journal (June) pp. 94 - 98. , Cairns Jnr, J. J. ) 1978. Biological data in water pollution assessment: Quantitative and statistical analyses STP6522.

N = tn/ (tn-tp). A tracer peak with a very small standard deviation about the mean residence time is characteristic of plug flow conditions. Subsurface flow wetlands, however, present a time delay (td) before tracer outflow is observed and the flow hydrodynamics may be described by a combination of plug flow and CSTRs. , 1999). They developed a measure for the hydraulic efficiency (λ) that reflects tracer flow characteristics of constructed wetlands and ponds. In its simplest form, λ is the ratio of the time of the peak outflow concentration (tp) to the nominal detention time (tn).

Microbiological quality Microbiological investigations were carried out to determine diversity of bacteria and algae in the ponds. Bacteria were cultured in plate count agar according to Standard Methods (APHA, 1995). Smears on glass slides were examined under a compound microscope (Motic model 3906277 – B1 Series manufactured by System Microscopes). Identification of bacteria to species level was not possible. Algal samples were taken twice from periphyton crusts floating on the surface of the ponds and the effluent channel.

Download PDF sample

Rated 4.06 of 5 – based on 45 votes