US 2021/0032161 A1

Cement manufacture using latex residual material

(22) 31.07.2019

(43) 04.02.2021

(57) A method of recycling latex paint residual material, such as unused latex paint, includes the step of mixing with cement precursor material, thermally treating the mixture in a kiln to produce clinker, and mixing the clinker with gypsum to product cement. The cement may be used in conventional ways, such as to produce concrete.

(71) KBL Environmental (AB) Ltd., Leduc (CA)

Issue 10/2019 WO 2019/142387 A1

Method for treating sludge and cement manufacturing system

(22) 27.08.2018 (43) 25.07.2019 (57) This method for treating sludge comprises: mixing dewatered sludge and cement raw material to make a mixture; drying the mixture with a dryer which brings the...

Issue 1/2022 US 2021/0363058 A1

Cement and process for producing self-protecting cement

(22) 07.10.2019 (43) 25.11.2021 (57) A process for producing cement includes combining a cement precursor and a wax, wherein the wax includes alkyl ketene dimer wax and/or alkenyl ketene dimer wax,...

Issue 7/2022 US 2022/0235933 A1

Method and apparatus for treating combustible substance

(22) 06.08.2019 (43) 28.07.2022 (57) A treatment method and apparatus is provided to effectively use a combustible waste such as waste plastic, waste tires, rice husk, wood shavings, PKS, RDF and...

Issue 8/2021 US 2021/0292229 A1

Apparatus and method for treating gypsum

(22) 14.07.2017 (43) 23.09.2021 (57) A fluidized-bed-type apparatus and method for treating gypsum, which activates or improves fluidity of gypsum powder to promote an effect of treatment of gypsum,...

Issue 7/2021 AU 2021103032 A4

Bag or bundle-type packaging with no plastic elements and high protection from moisture and water

(22) 02.06.2021 (45) 22.07.2021 (57) The present utility model refers to a bag or a bundle-type packaging suitable to contain cement or other similar material, consisting of at least one sheet of...

ZKG 3/2021