A filter pad for use in a dewatering container is presented. The filter pad is configured to fit within the interior cavity and substantially line the interior surfaces. Material, which is usually liquids and slurries, is added to the container with the filter in place and gravity is used to filter the sediment, while the water is released through a release nozzle. The solids are retained in the filter pad for later disposal. The filter pad has a portion that can be selectively opened and is configured for placement substantially adjacent the door to permit selective egress of contents of the interior cavity.

A dewatering system for separating a slurry into solid material and effluent water. The dewatering system comprises a plurality of support frames arranged to enclose an interior space of the dewatering system, with the interior space being configured to receive the slurry. The dewatering system further includes geo-fabric material positioned on a portion of the support frames, with the geo-fabric material being configured to filter the slurry received within the interior space, such that effluent water permeates through the geo-fabric material and is discharged from the interior space. The dewatering system further comprises a dump door assembly associated with at least one of the support frames, with the dump door assembly including a plurality of hatches configured to selectively open to allow effluent water to be discharged from the interior space of the dewatering system.

System (100) and method for processing biomass. The system comprises a combined heat and power plant (102), an interface (114) for feeding biogas to a traffic fuel production unit, interfaces (114) to a district heating system (106a) and an electrical grid (106b), and a hydrolysis device (108), a digestion device (110), a dryer (116) and a heat recovery unit (112), which are operatively coupled for transferring heat, intermediate products and final products of the process, wherein raw biomass is received into the Fuel hydrolysis device (108), biomass processed by the hydrolysis device (108) is fed to the digestion device (110), biogas obtained in the digestion device (110) is fed to the traffic fuel production unit (104), heat is recovered from the hydrolysis device (108), biomass processed by the digestion device (110) is dried by the heat recovered from the hydrolysis device (108), heat is recovered from the dryer (116), heat recovered from the dryer (116) is fed to the hydrolysis device (108) to be used in pre-heating of the received raw biomass, heat recovered from the dryer (116) is fed to the district heating (106a), and production of electricity is fueled by the dried biomass from the dryer (116).

A process for purification of waste from zootechnical sources or from small agri-food companies is provided. A plant for carrying out the wastewater treatment process is also provided.

A sludge dewatering system has a container having an interior volume and a floor, a plurality of filtration panels positioned in the interior volume of the container, and a plastic panel. Each of the plurality of filtration panels has an expanded metal panel and a filter media extending along a surface of the expanded metal panel. The filter media has a portion extending outwardly beyond a bottom of the frame. The portion extends outwardly so as to reside generally against the floor of the container. The plastic panel overlies the portion of the filter media and resides over a portion of the floor of the container.

A sludge dewatering system has a container having an interior volume and a floor, a plurality of filtration panels positioned in the interior volume of the container, and a plastic panel. Each of the plurality of filtration panels has an expanded metal panel and a filter media extending along a surface of the expanded metal panel. The filter media has a portion extending outwardly beyond a bottom of the frame. The portion extends outwardly so as to reside generally against the floor of the container. The plastic panel overlies the portion of the filter media and resides over a portion of the floor of the container.

The present disclosure generally relates to a device for dewatering a material. The device comprises a biodegradable, permeable enclosure configured for receiving the material through an inlet. The permeable enclosure comprises layered biodegradable textiles, an inner portion and an outer portion, derived from renewable resources. The inner portion has an apparent opening size between about 0.5 mm and 3 mm. The outer portion has a ratio of the minimum tensile strength in the warp direction to the minimum tensile strength in the weft direction of about 2.5.

An array of spaced dewatering panels mounted in a spaced relationship in a framework (collectively referred to herein as a “panel support system” or “panel system”) is described wherein the panels are coupled to the framework in a manner that permits them to be pivoted or swiveled between at least a first orientation (or position) and a second orientation (position).

An array of spaced dewatering panels mounted in a spaced relationship in a framework (collectively referred to herein as a “panel support system” or “panel system”) is described wherein the panels are coupled to the framework in a manner that permits them to be pivoted or swiveled between at least a first orientation (or position) and a second orientation (position).

A sand disposal system is used with a sand management arrangement that handles flow-back of sand and other solid materials in a slurry of flow from well(s) at wellsite(s). The sand disposal system includes a tank filling module that mounts on a disposal tank at a wellsite. The module controls and weighs the disposal of the solid material or sand into the tank by actuating a flap and sensing weight with a weight sensor. The module also monitors the level in the tank to determine when emptying of the tank is needed. A control system can control operations of the module in conjunction with the other processes of the sand management arrangement.