Waste processing apparatus and methods of making and use

A toilet system, comprising a toilet, a urinal, urinal plumbing, a waste tank, a waste tank fluid treatment composition, and a second fluid treatment composition, wherein:

• the toilet is in fluid communication with the waste tank;
• the urinal plumbing allows fluid communication between the urinal and the waste tank;
• the waste tank contains the waste tank fluid treatment composition;
• the waste tank fluid treatment composition comprises a first salt;
• the second fluid treatment composition is a solid composite that comprises a second salt;
• the second fluid treatment composition is disposed in the urinal;
• the waste tank fluid treatment composition is prepared by dispersing a first fluid treatment composition in water;
• the first fluid treatment composition has a mass of at least 500 grams and up to 1 kilogram;
• the first fluid treatment composition comprises sodium chloride salt at a concentration of at least 90 percent and up to 99.9 percent by mass;
• the first fluid treatment composition comprises one or more colorants at a concentration of at least 10 parts per million and up to 0.5 percent by mass;
• the first fluid treatment composition comprises one or more fragrances at a concentration of at least 100 parts per million and up to 1 percent by mass;
• and
• the first fluid treatment composition comprises a surface barrier that surrounds the rest of the first fluid treatment composition and that comprises polyvinyl alcohol.

A toilet system, comprising a toilet, a urinal, urinal plumbing, a waste tank, a waste tank fluid treatment composition, and a second fluid treatment composition, wherein:

• the toilet is in fluid communication with the waste tank;
• the urinal plumbing allows fluid communication between the urinal and the waste tank;
• the waste tank contains the waste tank fluid treatment composition;
• the waste tank fluid treatment composition comprises a first salt;
• the second fluid treatment composition is a solid composite that comprises a second salt;
• the second fluid treatment composition is disposed in the urinal;
• the waste tank fluid treatment composition is prepared from a first fluid treatment composition that comprises a surface barrier that surrounds the rest of the first fluid treatment composition and that comprises polyvinyl alcohol;
• and
• the waste tank fluid treatment composition comprises polyvinyl alcohol.

A toilet system, comprising a toilet, a urinal, urinal plumbing, a waste tank, a waste tank fluid treatment composition, and a second fluid treatment composition, wherein:

• the toilet is in fluid communication with the waste tank;
• the urinal plumbing allows fluid communication between the urinal and the waste tank;
• the waste tank contains the waste tank fluid treatment composition;
• the waste tank fluid treatment composition comprises a first salt;
• the second fluid treatment composition is a solid composite that comprises a second salt;
• the second fluid treatment composition is disposed in the urinal;
• and
• the solid composite comprises sodium chloride salt, one or more colorants, one or more fragrances, and a bitartrate salt selected from sodium bitartrate and potassium bitartrate.

A toilet system, comprising a toilet, a urinal, urinal plumbing, a waste tank, a waste tank fluid treatment composition, and a second fluid treatment composition, wherein:

• the toilet is in fluid communication with the waste tank;
• the urinal plumbing allows fluid communication between the urinal and the waste tank;
• the waste tank contains the waste tank fluid treatment composition;
• the waste tank fluid treatment composition comprises a first salt;
• the second fluid treatment composition is a solid composite that comprises a second salt;
• the second fluid treatment composition is disposed in the urinal;
• the solid composite comprises at least 75 grams and up to 500 grams by mass;
• the solid composite comprises sodium chloride salt at a concentration of at least 75 percent and up to 95 percent by mass;
• the solid composite comprises bitartrate salt at a concentration of at least 2 percent and up to 15 percent by mass;
• the solid composite comprises one or more colorants at a concentration of at least 10 parts per million and up to 0.5 percent by mass;
• and
• the solid composite comprises one or more fragrances at a concentration of at least 100 parts per million and up to 1 percent by mass.

A kit to facilitate waste removal from a waste tank in sub-freezing temperatures, comprising a first fluid treatment composition and a second fluid treatment composition, wherein:

• the kit is configured for use with a toilet system that comprises (1) a toilet in fluid communication with a waste tank and (2) urinal plumbing that allows fluid communication between a urinal and the waste tank;
• the first fluid treatment composition is configured for insertion into the waste tank to inhibit wastewater from freezing in the waste tank;
• the first fluid treatment composition comprises at least 500 grams of sodium chloride;
• the first fluid treatment composition comprises up to 10 kilograms of total mass;
• the second fluid treatment composition is a solid composite that comprises at least 75 grams of sodium chloride;
• the second fluid treatment composition is configured for placement in the urinal such that successive portions of the solid composite dissolve upon successive use of the urinal to inhibit freezing of liquids in the urinal plumbing and to increase an amount by mass of sodium chloride in the waste tank and thereby inhibit the wastewater from freezing;
• and
• the second fluid treatment composition comprises up to 500 grams total mass.

A kit to facilitate waste removal from a waste tank in sub-freezing temperatures, comprising a first fluid treatment composition and a second fluid treatment composition, wherein:

• the kit is configured for use with a toilet system that comprises (1) a toilet in fluid communication with a waste tank, and (2) urinal plumbing that allows fluid communication between a urinal and the waste tank;
• the first fluid treatment composition is configured for insertion into the waste tank;
• the first fluid treatment composition comprises a first salt;
• the second fluid treatment composition is configured for placement in the urinal;
• the second fluid treatment composition is a solid composite that comprises a second salt;
• and
• the first fluid treatment composition comprises a surface barrier that surrounds the rest of the first fluid treatment composition and that comprises polyvinyl alcohol.

A kit to facilitate waste removal from a waste tank in sub-freezing temperatures, comprising a first fluid treatment composition and a second fluid treatment composition, wherein:

• the kit is configured for use with a toilet system that comprises (1) a toilet in fluid communication with a waste tank, and (2) urinal plumbing that allows fluid communication between a urinal and the waste tank;
• the first fluid treatment composition is configured for insertion into the waste tank;
• the first fluid treatment composition comprises a first salt;
• the second fluid treatment composition is configured for placement in the urinal;
• the second fluid treatment composition is a solid composite that comprises a second salt;
• and
• the solid composite comprises a bitartrate salt selected from sodium bitartrate and potassium bitartrate at a concentration of at least 2 percent and up to 15 percent by mass.