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Waste treatment systems

A waste treatment and stage technology, applied in the direction of energy wastewater treatment, waste fuel, sludge treatment, etc., to achieve effective treatment effect

Inactive Publication Date: 2007-12-12
BIOSYS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The cost effectiveness of the design of a treatment system for sludge and septage generated by the suburbs and towns of the United States is a very challenging design problem.

Method used

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Examples

Experimental program
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Embodiment 1

[0084] Described below is an exemplary waste disposal system that has been constructed. A mechanical strainer made by welding 1 / 4 inch by 2 foot flat steel bars spaced 3 / 4 inch apart for one strainer and 3 / 8 inch apart for a second strainer . The collection tank consisted of the bottom half of a 1500 gallon concrete tank purchased from Montano (Santa Fe, NM). The concrete pool is divided into two equal parts by placing a 1 / 4 inch steel bar in the middle of the concrete pool. A 30 degree "V" notch weir was cut to divide the panels, allowing the flow of septic from one side to the other. The larger bar screen is placed on the right side of the pool and the smaller bar screen is placed on the left or input side of the concrete pool. The collection tank was in fluid communication with the equalization tank, constructed on site using stabilized native soil, and a 30 mil PVC sleeve, commercially available from Snow Company (Albuquerque, NM). An earthen equalization tank 230 (see...

Embodiment 2

[0108] An exemplary waste treatment system includes a mechanical filter screen device in fluid communication with one or more collection basins via fluid conduits. The fluid collection tank is in fluid communication with an equalization tank of about 200 cubic meters through a fluid conduit. The equalization tank has a network of 50mm diameter PVC piping, spaced 50cm apart and in fluid communication with a blower / air compressor capable of delivering approximately 0.9m3 / min / 100m3 of received corrosion and / or or domestic sludge. The blower is controlled by a timing device and a low float. The equalization tank is in fluid communication with the 4 reed bases through 4 PVC sleeves with a diameter of 75 mm, which are equipped with 4 inflow pumps of 1.0-2.0 horsepower. The delivery of septic is controlled by a timing device that boosts each of the 4 pumps in series. Distribution of rot on the surface of the reed base was provided by a network of 100mm PVC casings arranged in a 7m...

Embodiment 3

[0114] Figure 20 shows a block diagram of a waste treatment system for treating domestic sludge and / or septage. Waste treatment system 500 includes centrifuge 510 in fluid communication with equalization vessel 520 via fluid conduit 515 . The centrifuge 510 is operated to remove inorganic and organic solids from the septage prior to delivering the septage to the equalization vessel 520 . The remainder of this article discusses the functions of the equalization vessel for illustration, such as aeration and mixing. Equalization vessel 520 is in fluid communication with hyacinth lagoon 530 . Hyacinth lagoon 530 is in fluid communication with trickle biofilter 540 via fluid conduits 545 and 546 . As discussed elsewhere in this paper, trickle flow biofilters are operated for nitrifying fluids. Hyacinth Lagoon 530 is also in fluid communication with constructed wetland 550 via fluid conduit 547 . As discussed elsewhere in this paper, structured wetlands are suitable for providin...

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PUM

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Abstract

Waste treatment systems and methods of using them to treat septage, domestic sludge or both are disclosed. Certain examples provided herein relate to waste treatment systems that include a plurality of stages, such as, a plurality of ecosystems, configured to treat domestic sludge, septage or both.

Description

technical field [0001] Certain embodiments of the present technology relate to waste treatment systems configured to treat septage, domestic sludge, or both, and to methods of making and using such systems. More specifically, certain embodiments of the present technology relate to domestic sludge and septage treatment systems including numerous ecosystems. Background technique [0002] The cost effectiveness of the design of a treatment system for sludge and septage produced in the suburbs and towns of the United States is a very challenging design problem. Treatment technology depends on high-energy mechanical systems, such as sequencing batch reactors, activated sludge systems, or oxidation ditches, which are often expensive to operate (e.g., approximately $8.5-20.00 per 1000 gallons of septage and sludge) . For example, reference may be made to "Land Application of Municipal Wastewater", US Environmental Protection Agency, 1980, Tables 8-6. Activated sludge treatment s...

Claims

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Application Information

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IPC IPC(8): C02F3/00
CPCY02E50/343C02F3/327C05F17/0018C02F11/04C05F7/00C02F11/02C02F3/34C05F17/0027C02F3/32Y02W10/37Y02P20/145C05F17/40C05F17/50Y02A40/20Y02E50/30Y02W10/20Y02W10/10Y02W30/40
Inventor 迈克·H·奥格丹
Owner BIOSYS
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