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Revolutionary high performances sludge dryer with a specific patented technology able to optimize the water extraction performances with less energy and less hot air volume needs saving the 90 of your sludge costs with the reduction of sludge weight disposal and with the reduction of transportation costs no plant modification in the wastewater treatment plants no
The drying air is heated to an inlet temperature of 120150 c the air flows through the sludge layer absorbing the moisture from the product to achieve optimum thermal efficiency the dryer is operated with a high recirculation rate thus a large amount of the drying air is
For more than a year a huber solar dryer has been in operation in a tropical climate zone at cali a large city in colombia the dryer handles a wastewater flow in excess of 5 ms high solar radiation combined with an additional heating render it possible to process up to 60 m press sludge
The paddle dryer is a lowspeed agitating dryer which is provided with a stirring slurry inside the equipment to make the wet material fully contact with the heat carrier and the hot surface under the agitation of the blade thereby achieving the purpose of drying and the structure is generally horizontal
The haarslev low temperature double pass belt dryer is designed for the gentle drying of wet product such as sewage sludge but can also be used for wood shavings and chips bark grasses leaves green cut hulls and husks litter from animals fermented residues marcs and pomaces bio waste and bio coals and animal faeces
Contact dryers the disc dryer is designed for the partial drying of dewatered sewage sludge to 40 45 dr and is heated with saturated steam up to max 10 bar our disc dryer is used in combination with fluidized bed incinerators for medium to large volumes of sewage sludge
The sludge treatment one of the thermal technologies that has gained popularity is gasification gasification of sewage sludge should produce energy with low emissions the reduction of sludge to a useable fuel gas and a nonleaching lowvolume dry residue which is easily to dispose both technologies have the potential to produce
Sludge drying process economic compact and safe the andritz gouda paddle dryer can be used for dewatering sludge of various types in waste water treatment plants many wastewater treatment plants are coping with a waste stream of digested sludge the sludge is normally dewatered by means of a centrifuge or belt filter press
Bcr has designed the ic series biosolids dehydration system with design criteria to address the needs of the small to medium size municipality and to keep operator attention and maintenance cost to a minimum the bcr ic series bioscru sludge dryer system is an automated continuous processor
Our stc biosolids dryer is a low temperature dryer system that allows reduction in volume from both industrial and urban sludge coming from wastewater treatment plants and several industry processes the resulting dried sludge is turned into a highly valued and marketable product that can be easily transported used for agricultural fertilizing
The pieralisi thermal dryer is the solution to minimize or even eliminate this problem this is the most technologically advanced alternative capable of reducing the amount of water in the sludge to rates that vary from 5 to 20 also making the material sanitary by eliminating pathogens
Sludge treament a further reduction of the sludge weight is possible with the help of sludge drying by evaporating the remaining bound water in the sludge however a significant reduction of the sludge volume cannot be reached with that method sludge drying procedures are based particularly on contact convection or radiation procedures
In the above example without energy recovery thermal consumption at the dryers terminals would be in the order of 900 kwh t1 evaporated h 2 o whilst for the same consumption the value is 700 kwh t1 evaporated h 2 o for an evaporis le dryer ie an energy saving of 20 the evaporis lt dryer by operating at a low temperature as is the case of the evaporis lt dryer it is
The ks paddle sludge dryer is indirectly heated using steam or circulated thermal fluid hot oil highenergy efficiencies and low offgas volumes are characteristics of a ks drying system the ks paddle sludge dryer is an indirect heat transfer device that utilizes mechanical agitation to enhance contact with the product being dried
Advances in engineering and technology a global perspective 810 june 2005 cartagena de indias colombia analysis of drying technologies for wastewater treatment plant sludge as an alternative source of energy belzahet trevio arjona phd director center for water studies itesm monterrey nuevo len mxico btrevino
Ovivo ms nonclogging diffuser equipment is well suited for digesters and sludge holding tanks that typically see a range of materials and it can handle thicker solids concentrations the clear roll pattern within the basin is excellent for mixing and aeration the air metering orifices are located above water level accessible at all times and do not require any cleaning
The encon slurry dryer the ideal solution for drying liquid solutions andor sludge achieve zero liquid discharge zld the encon slurry dryer is engineered to handle liquid solutions in addition to high solids sludges which makes it an ideal solution for many industrial processes as the solids content of the wastewater generated is often variable
Huber belt dryer bt 30 in colombia located in the second largest colombian city of medellin the new bello wastewater treatment plant 275 million population equivalents with a maximum inflow of 65 ms went already into operation in mid2018
Sludge drying is the process of transforming sludge into useful products or green fuel removal of water reduces storage volume and transportation costs thermal drying is used to achieve up to 80 volume reduction and up to 90 weight reduction
Elgi equipments ltd the leading industrial air compressor manufacturer in india offers over 400 compressed air systems designed for all industrial needs
Biennial reviews the clean water act cwa section 405d2c requires the epa to review federal biosolids sewage sludge standards every two years to identify additional toxic pollutants that occur in biosolids and set regulations for those pollutants if sufficient scientific evidence shows they may harm human health or the environment
Heliantis solar dryer transforms any type of dewatered sludge 15 minimum dry content into a dry granulated product with a drysolids content that can be adjusted from 35 to 75 using the sun as the main energy source the sludge is dried in a greenhouse and a scarifying machine breaks up the sludge into carbonneutral and odorless
The sludge drying process employs indirect convective heating to reduce sludge volume and produce a class a biosolids product in order to minimize potential odors the dryer cabinet is operated under a vacuum the drying air is recycled in a closed loop minimizing the makeup air requirement and the wastewater plants odor control system
Sludge dryers the cake from a filter press can be reduced by as much as 41 by utilizing a sludge dryer sludge dryers manufactured by metchem are designed for small medium and large quantity sludge generators these units can fit under the filter press for direct loading or can be located elsewhere in the plant
The rotary drum dryer is a directfired hot air cascading type of dryer which dries sludge to between 90 to 95 dry solids the material is gently dried as it cascades through the hot air flow the hot air stream is provided by a directfired gas burner normally operating with natural and biogas
For more than a year a huber solar dryer has been in operation in a tropical climate zone at cali a large city in colombia the dryer handles a wastewater flow in excess of 5 ms high solar radiation combined with an additional heating render it possible to process up to 60 m press sludge
Durco filters envirodri sludge dryers are designed for supplemental dewatering of filter cake 25 wt solids up to 90 greatly reducing waste volume and weight waste disposal costs can be reduced by 75 the envirodri sludge dryer is typically used in conjunction with a filter press where the filter press discharges its cake directly into the dryer