E02D31/00

SPECIALIZED LINED LANDFILL SYSTEM FOR THE STABILIZATION AND CONTAINMENT OF DRILLING WASTES AND COAL COMBUSTION RESIDUES
20200114404 · 2020-04-16 ·

Systems and methods of the present invention include a method for the treatment of drilling wastes and coal combustion residues, comprising combining at least a first drilling waste with coal combustion residues to form a paste, combining at least a second drilling waste with coal combustion residues to form a compactable fill, and placing the paste and the compactable fill in a landfill. Other embodiments include a method of treating drilling wastes and coal combustion residues, comprising combining at least one drilling waste with a coal combustion residue to form a paste. Further embodiments include containing the paste within at least one geotextile container. Still further embodiments include placing the geotextile container in a landfill.

Methods and systems for landfill thermal insulation

Systems and methods are disclosed for landfill systems, comprising waste, a geosynthetic product, and a layer of foam glass aggregates interposed between the waste and the geosynthetic product.

Methods and systems for landfill thermal insulation

Systems and methods are disclosed for landfill systems, comprising waste, a geosynthetic product, and a layer of foam glass aggregates interposed between the waste and the geosynthetic product.

Construction method
10577773 · 2020-03-03 · ·

A construction method includes a charcoal paint application step in which a charcoal paint is applied to at least one of a floor, a wall, and a ceiling within a construction target room; an arrangement step in which flooring members made of Obi-sugi are arranged on the floor of the room; a diatomaceous earth application step in which diatomaceous earth is applied to the wall of the room; and a spraying step in which an antioxidant aqueous solution is sprayed on at least one of the floor on which the flooring members are arranged, the wall to which the diatomaceous earth is applied and the ceiling to which the charcoal paint is applied.

Membrane
10570621 · 2020-02-25 · ·

A membrane 10 is a geomembrane 10, which takes the form of a non-conductive sheet 11. A conductive layer 13 is printed on to the sheet 11, in this instance in a geometric pattern of a rectangular grid. The lines of the grid 13 are conductive and connected to each other, with non-conductive gaps 15 disposed between the grid lines. Accordingly, a conductive linear network is formed, which has the requisite conductivity for leak detection.

MULTIMODAL POLYETHYLENE FILM

The present invention relates to a multimodal polyethylene composition comprising: (A) 40 to 65 parts by weight, preferably 43 to 52 parts by weight, most preferred 44 to 50 parts by weight, of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol, wherein the low molecular weight polyethylene has a MI2 of 500 to 1,000 g/10 min according to ASTM D 1238; (B) 5 to 17 parts by weight, preferably 10 to 17 parts by weight, most preferred 10 to 15 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 30 to 50 parts by weight, preferably 37 to 47 party by weight, most preferably 39 to 45 parts by weight, of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the second ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol, wherein the density of the first high molecular weight polyethylene or the first ultra high molecular weight polyethylene and the second high molecular weight polyethylene or the second ultra high molecular weight polyethylene is in the same range and both densities are in the range from 0.910 to 0.940 g/cm3; and the molecular weight distribution of the multimodal polyethylene composition is from 18 to 30, preferably 20 to 28, measured by gel permeation chromatography, film comprising the multimodal polyethylene composition and the use thereof.

CEMENTITIOUS COMPOSITE MAT
20200040544 · 2020-02-06 · ·

A cementitious composite for in-situ hydration includes a structure layer having a first side and an opposing second side, a cementitious material disposed within the structure layer, a sealing layer disposed along and coupled to the first side of the structure layer, and a containment layer disposed along the opposing second side of the structure layer. The structure layer has an intersection at the sealing layer and the containment layer that is at least partially fiberless. The cementitious material includes a plurality of cementitious particles. The containment layer is configured to prevent the plurality of cementitious particles from migrating out of the structure layer.

COMPOSITIONS FOR USE IN GEOSYNTHETIC LINERS

Described herein is a composition for use in a geosynthetic clay liner, the composition comprising particles, at least some of which are discrete particles and each comprise: a compacted swelling clay, the clay having been compacted such that it at least partially surrounds a fluid-loss preventing polymer. Also described herein is a clay liner formed from the composition, a method for producing particles for use in a geosynthetic clay liner, and a method of forming a clay liner.

Methods of preventing liquids from leaking off of a support surface

Methods of containing liquid introduced onto a support surface include forming the support surface with at least two mats, the mats forming a perimeter of the support surface. A plurality of berm members is positioned at least partially around or proximate to the perimeter of the support surface and extends upwardly relative to the mats sufficient to prevent liquid introduced onto the top of the support surface from leaking off of the support surface around the perimeter thereof.

Layered mat for ground surface protection
10513835 · 2019-12-24 ·

A layered material configured for assembly of a base mat containment system is provided. The layered material includes: a first layer affixed to a barrier layer, a second layer affixed to the barrier layer, the second layer including a plurality of peaks and valleys. The base mat includes a high-strength material. A method of fabrication and a base mat containment system are disclosed.