Use of water hyacinths in wastewater treatment a brief. Biological treatment for industrial wastewater using. It is well known that the efficiency of conventional ponding systems for treatment of industrial wastewaters can be greatly improved by the use of aquatic plants. For the first half of the 20th century, pollution in the nations urban waterways resulted in frequent occurrences of low. Effectiveness of domestic wastewater treatment using a biohedge. It is well known that the efficiency of conventional ponding systems for treatment of industrial wastewaters can be greatly improved by the use of aquatic plants such as eichhornia crassipes and. To solve the wastewater crisis in india, many scientists have come up with an innovative process of using bioremediation properties of water hyacinth for wastewater treatment. Cerrithe use of macrophytes in water pollution control. The treatment plant consists of, in series, a primary settling tank, a trickling filter compartment. Application of constructed wetland using eichhornia.
Water hyacinth wastewater treatment systems opportunities. After a 5week simple experiment, in which water hyacinths were planted in wastewater samples obtained from three different industries, the average removal of pollutants were found to be 53. There was an explosion of research studies on the use of water hyacinth for wastewater treatment in 1970s and early 1980s. Thus, an extensive research and practical application is being gained in order to operate the system effectively. Sand, eggshells and other coarse inorganic material is present in the flow in addition to organic matter from household, industrial, commercial and institutional water use. It is generally 1020 cm high but can reach 1 m high when established in dense mats ecoport, 2011. Achieving environmental sustainability in wastewater. Article pdf available january 1996 with 9,076 reads. The accompanying photos illustrate the sewage treatment process in the initial san diego. Gudekar and trivedi 1987 used water hyacinth treatment on waste collected from kirloskar brothers ltd factory in karad in various dilution ratios and reported. Wastewater treatment with water hyacinth was successfully implemented in the city of san diego, usa, to develop a treated effluent attaining quality standards that would be expected from advanced secondary treatment processes tchobanoglous et al. Treatment of water using water hyacinth, water lettuce and. Raw sewage first enters the headworks of the plant and is treated in several preliminary treatment processes that remove debris and make the water easier to treat in subsequent downstream processes. It is concluded that water hyacinth improves the quality of wastewater in such smallscale.
Use of water hyacinth eichhornia crassipes in treatment systems. And in terms of plant count rather than size, they are said to multiply by more than a hundredfold in number, in a matter of 23 days. The process involves growing water hyacinth in wastewater in order to provide an avenue which enhances wastewater treatment. This process is called phytoremediation, which has made wastewater management very much ecofriendly and costeffective. The water physicochemical parameters and nutrients concentrations were determined during the treatment process. Primer for municipal wastewater treatment systems the need for wastewater treatment wastewater treatment is needed so that we can use our rivers and streams for fishing, swimming and drinking water. Potential uses of aquatic plants for wastewater treatment. However, after this period, very less information appeared in the scientific literature, mostly because these systems are not economic due to difficult and costly management and operation. Solms water hyacinth has been tested in experimental systems in south moravia czech republic. Khan 2, abdulrazzak honnutagi 3 1 professor and head, civil engineering department, kalsekar technical campus, school of. Constructed wetlands and aquatic plant systems for. Studying the multiple usage of water hyacinth activity period june 2007may 2008 reported by gourab ghoshsoumen purkait under the technical guidance from enre, drcsc. For storm water purification, constructed wetlands has wide application in the recent decades, along with domestic, agricultural, and also industrial wastewater treatment. Use of water hyacinth eichhornia crassipes in treatment.
The leaves are 1020 cm across, and float above the water surface. The potential role of water hyacinth in wastewater treatment in. The primary purpose of this study is to make use of the water hyacinth plant for the purification of the industrial waste water and its treatment. Water treatment step tostep to conventional water treatment dr. Waste water treatment using water hyacinth rajendra b. There was a general discussion on how students can make use of. Water hyacinth eichhornia crassipes treatment systems are generally known in tropical area. Use of water hyacinth eichhornia crassipes in treatment systems for textile factory effluents springerlink. Utilization of water hyacinth relevant in water treatment and resource.
If so, then you will want to know about the many uses of the water hyacinth. Plant size ranges from a few inches to a metre in height. The hybrid aquatic plantmicrobial filter combination, unlike the water hyacinth system, will operate in cold as well as warm climates. Water hyacinth and water lettuce are two obnoxious weeds that can be grown hydroponically. Kitchen wastewater treatment with constructed wetland. Perhaps water hyacinth is a problem in your area as well. However, use of water hyacinth has been limited, in geographic location, to warm weather regions because of the sensitivity of water hyacinth to freezing conditions see fig. With broad, thick, glossy, ovate leaves, water hyacinth may rise above the surface of the water as much as 1 meter in height. The efficiency of a reed bed system in the treatment of wastewaters from the premises in a new residential university community was studied. They are capable of removing nutrients from wastewater. An opinion will be given about potential usage of e. Phytoremediation of textile process effluent by the use of water hyacinth is effective and efficient for the reduction of cod and metals present in the effluent. United states environmental protection agency office of environmental engineering1 and technology washington dc 20460 fi \s research and development epa600s283075 nov. A list of existing constructed wetlands and aquatic plant systems is.
This process is called phytoremediation, which has made wastewater management very. The common water hyacinth eichhornia crassipes are vigorous growers and mats can double in size in one to two weeks. Not surprisingly, floating aquatic plants, such as water hyacinth, for wastewater treatment thrive in natural or artificial ponds and constructed wetlands. Effectiveness of domestic wastewater treatment using a bio. Design of a constructed wetland for wastewater treatment and reuse in mount pleasant, utah yue zhang utah state university.
As shown in the figure, the main objective of growing water hyacinth in wastewater is to optimize contaminant recovery from wastewater and produce an effluent which is suitable for further treatment, reuse or discharge to. Performance of a water hyacinth eichhornia crassipes. The seven species of water hyacinth comprise the genus eichhornia. Plant systems for municipal wastewater treatment u. Is it realistic to use water hyacinth for wastewater.
The efficient role of aquatic plant water hyacinth in treating domestic wastewater in continuous system. Growth and macronutrient removal of water hyacinth in a small. Introduction waste water generation in india and application of constructed wetlands. In the present study, an attempt was made to find the potential of water hyacinth in the treatment of domestic wastewater. A laboratory scale continuousflow system consists of the. Water hyacinth has been used in aquatic systems for wastewater purification in many years worldwide. The raw influent and treated effluent samples of six concrete tanks in series, each with four cells containing water hyacinth weeds, eichornia crassipes, were characterized using standard methods to determine their. Water hyacinth proves to be a boon for wastewater treatment. Treatment of sewage waste water using water hyacinth eichhornia sp and its reuse for fish culture article pdf available in toxicology international 16. The table below shows how this rate has evolved since 2005.
In recent years, the application of constructed wetlands with rooted. Sewage treatment potential of water hyacinth eichhornia. There are all kinds of things the weed is good for after it is harvested. The efficient role of aquatic plant water hyacinth in. The present work is directed towards the use of aquatic plant eichhornia crassipes i. People in uganda use water hyacinth to make paper and mats. Although the process is efficient, it consumes more time and requires higher land area. However, there are some constraints with using aquatic plants such as the requirement for large area of land, the reliability for pathogen destruction, and the types and enduses of aquatic plants. It is found at the surface of rivers, lakes, canals and ponds and may root in the mud of shallow waters. Phytoremediation of industrial mines wastewater using. Effectiveness of domestic wastewater treatment using a biohedge water hyacinth wetland system alireza valipour 1, venkatraman kalyan raman 2 and youngho ahn 1, 1 department of civil engineering, yeungnam university, gyungsan 712749, korea.
This study aimed to improve a shallow pond water hyacinth system by incorporating the advantages of engineered attached microbial growth technique termed biohedge for onsite domestic wastewater treatment. The efficiency of eichhornia crassipes in the removal of. Although the performance of the water hyacinth treatment systems have. Among other cities, mount pleasant, utah, is seeking innovative and costeffective ways to reduce culinary water use. Primary treatment follows preliminary treatment and includes.
Thalia geniculata tg, water hyacinth je and the combination of the two thalia geniculata and water hyacinth, tj in three different basins have been setup for the treatment of domestic wastewater. The wastewater treatment systems hydraulic yield was 92%. Opportunities and constraints in cooler climates michele leslie aquatic plant wastewater treatment systems. Solms is a free floating perennial herb of fresh water ecosystems. The role of water hyacinth eichhornia crassipes species in polishing nitrate and phosphorus concentration from municipal wastewater treatment plant effluent by phytoremediation method was evaluated. Water hyacinth plants of the same age group were collected from the treatment plant of university of ibadan where water hyacinth is being used to treat wastewater coming from awo, idia and abubakr halls. Pdf waste water treatment using water hyacinth researchgate. Using water hyacinth eichhornia crassipes to treat. Abstract water hyacinths, because of their prolific growth rate, pose special problems in water management by clogging irrigation channels and interfering with transportation. This work investigates the effectiveness of water hyacinth in wastewater treatment. Floating aquatic plant systems wastewater treatment. Wetland, water hyacinth, sewage treatment, nutrient removal 1.
942 645 273 1046 433 821 371 32 401 776 391 572 965 1372 1286 415 767 427 623 411 978 373 435 573 401 1248 1260 349 398 679 212 1310 1438 856